1. Best Speakers For Decware Zen Mini Torii Tv
  2. Best Speakers For Decware Zen Mini Torii Pc
  3. Best Speakers For Decware Zen Mini Torii 3
  4. Best Speakers For Decware Zen Mini Torii 5
  5. Best Speakers For Decware Zen Mini Torii 2

It can be used with or without a preamp. The Zen TorII uses a unique push-pull design that employs only a single capacitor and gain stage to drive the out put tubes. It has the beauty of S.E.T sound with the performance of the very best push-pull. This amp can handle speakers with just about any impedance. 2ohm to 16 ohm but your best results will come from using 8ohm speakers. So, for your consideration: One (1), moderately used Decware mini Torii power amplifier. This is a single ended exotic duel mono audiophile tube power amplifier.









Thanks to our new UFO output transformer design it became possible to bring Decware's most popular amplifier (the Zen TORII MK4) to you in a smaller and more obtainable package without sacrificing sound quality or performance. In fact when you hear it we're sure you'll join the already huge number of TORII JR owner's who say this is somewhat of an understatement.
This amplifier is an example of what happens when you build a tube amp in the United States with US parts and labor and put a lifetime warranty on it.
The JR is using the same proven if not legendary circuit used in the TORII MK4 but stripped of all non-essential features. As the first in the TORII line to employ our Ultra Fidelity Outputs you can expect a bandwidth to within 1/2 dB from 25Hz ~ 25kHz. The 3dB frequency response is 10Hz~70kHz with 6dB out past 100kHz. The resolution it takes to get this bandwidth results in the kind of speed and transparency that make this amp UN-touchable by anything other than exotic boutique products.
It has been my goal since taking Decware online in 1996 to make an amplifier that sounds this good available to the sincere but broke audiophiles of the world, and while we offer several amplifiers the TORII JR the only one that gives you this combination of power and sound for the the price.

Steve Deckert - owner of Decware & designer of Decware amplifiers.


  • 20 WATTS PER CHANNEL
  • SET TRANSPARENCY / PUSH-PULL DESIGN
  • UFO OUTPUT TRANSFORMERS = -6dB @ 100kHz
  • DUAL MONO TUBE REGULATED POWER SUPPLY
  • ULTRA SHORT 3D POINT TO POINT SIGNAL PATH
  • ZERO GLOBAL NEGATIVE FEEDBACK
  • LONG TUBE LIFE
  • MADE IN USA WITH USA PARTS
  • NO CIRCUIT BOARDS / LIFETIME WARRANTY



20 WATTS PER CHANNEL

If you're coming from a larger solid state amplifier of several hundred watts and considering a tube amp but worried about things like bass control, dynamics, weight, headroom, or just having enough power to make your speakers sound right, then you'll probably be pretty surprised when you first hear a TORII JR because the performance and speed are actually superior. You will not be disappointed.

Remember, 20 watts of high voltage tubes coupled to your loudspeaker through a huge transformer is not the same thing as 20 watts of solid state transistors directly coupled to your loudspeaker. Most people would perceive the power of a TORII JR around 100 watts and that's not far off when you consider the peak power is over 70 watts into a loudspeaker, and instantaneous peak power even higher still. Let's just call it an amazing amount of headroom.


SET TRANSPARENCY

Decware's Motto for the past 20 years has been: 'If the First Watt Sucks, Why Continue?' ...and nothing could be truer today. If an amplifier doesn't have the incredible sound of lower power SET's, then it makes no difference how much power it has because it won't be used by people spoiled by SET transparency. The Zen TORII amplifiers of which there are now two, employ a direct-coupled phase inverter design that is high in even order harmonics very much like a good SET amplifier. The result is an SET sound with performance that exceeds solid state.


UFO OUTPUT TRANSFORMERS = -6dB @ 100kHz

Ultra Fidelity Output (UFO) are the equivalent of rare hand made boutiquetransformers because that's exactly what they are. Made in the USA and introduced in the Summer of 2015, the TORII JR is the first push pull amplifier to employ the technology. As a result, the resolution and uncanny speed these transformers enable make the TORII JR literally untouchable in the world marketplace for the dollar, and that of course means in no uncertain terms that there is nothing in this price range that sounds better.


DUAL MONO TUBE REGULATED POWER SUPPLY

You have to understand that tube amplifiers at this price do not have regulated power supplies. And the the more expensive amplifiers that do have regulated power supplies use solid state transistors to do the regulation because it's cheap and makes it possible to use 10 times smaller capacitors, which also save money... and very few amplifiers any where near this price point use tube regulation and rather than shrink power supply capacitance, double it like a Decware Torii amplifier. Consider the benefit of this approach to yield results similar to having your amplifier plugged into an expensive power re-generator.


ULTRA SHORT 3D POINT TO POINT SIGNAL PATH

Sometimes a picture can be worth a thousand words and below is the entire audio circuit of a TORII JR. There are less parts here than you find in a single solid state Op Amp, and being life size instead of miniaturized, it handles the high voltages and current that create the real power of tubes.

Shown above; Silver/Teflon wire, cryo treated capacitors and all components silver soldered in a layout that minimizes wire and connections. The channel you see above takes 5 man hours to build. Mass producing the same thing with a circuit board reduces that time to 4 minutes. So if you want to know whether or not a company is more interested in profit or sound, just see if uses circuit boards.

ZERO GLOBAL NEGATIVE FEEDBACK

This won't mean much to you unless you're an imaging and sound-stage enthusiast. Negative feedback is in the vast majority of tube amplifiers and almost all solid state equipment. It smears the time signature of the music and as a result lowers distortion on paper, but in our would, smeared time IS a distortion that remains far worse. In a good room where you can reproduce a sound stage behind the speakers that goes back 30 feet it is easy to hear what feedback does. The same recording with the amazing depth is destroyed with the addition of feedback reducing the depth to about 6 feet. Attack is also blunted by feedback which is why amplifiers like the TORII JR without feedback sound like they hit harder than feedback ridden solid state.

LONG TUBE LIFE
The tubes in a TORII JR run at lower voltages than most tube amps and are biased at about 70% of their rated current resulting in tubes that last about twice as long as normal. This also affects the sound in two ways; 1) the lower voltages give a more organic presentation and 2) At any given time the tubes are in better shape than they would be in most amps, so consequently hour for hour the TORII JR will always have better sounding tubes. Many tube amps besides not sounding as good as promised, become tedious to maintain with all to frequent tube issues. The TORII JR is not one of those amps.

MADE IN USA WITH USA PARTS
Many of the best inventions to benefit mankind came from the United States which is a unique melting pot of immigrants from countries all around the world. The TORII JR, as do all Decware amplifiers, takes advantage of these resources and technologies to bring you an amplifier that Af) You'll probably never sell and B) will probably never break hence the reason it comes with a lifetime warranty against defects in parts or workmanship.

TUBES ARE INCLUDED

This amp is shipped with hand selected and matched quads of premium quality EL34 output tubes by Tungsol.

Any time you change or refresh your output tubes, the bias setting on the TORII JR. must be adjusted for the new quad of tubes. Simple instructions for this are in the owner's manual.




The TORII JR Comes with many OPTIONS so you can personalize your amp




You can also select from the black figured wood base (shown at the top of this web page) OR contemporary styled solid hardwoods like the walnut shown above. Additional woods like oak, maple, cherry and even exotics can be selected from within the shopping cart. The Black Figured base is only available in Black.

Available Knobs: From left to right are Ebony, Gold, Black, Cream, Walnut. You can configure your Torii with the knobs you want from within the shopping cart.

Your Amplifier can be configured in the shopping cart


Voltage: We will automatically ship your amp with the correct power cord for your country based on the shipping address you supply and the voltage you select.
Wood: Only the 'Black Figured' base is of the Victorian style, all other hardwood bases are of a contemporary styling. Wood bases are user interchangeable so if decide at some point to change the way your amplifier looks with a different wood base, you will not have to ship the amp back to have it done, you can do it yourself with a single screwdriver.
Volume Controls: Smooth action volume controls are standard and are infinitely adjustable giving you precision control over channel balance. The Stepped attenuators are actually a 20 position switch that features 1% metal film resistors. With those, you can adjust the volume in 20 steps. There is no infinitely fine or small adjustment like the standard volume control.
Knobs: Gold knobs are the most popular and consequently, kind of the standard knob for a Torii, however if you selected a black wood base, the Ebony knobs match the base, just as the Dark Walnut knobs nicely match the wood bases made of walnut. Chicken head knobs give the amplifier a more vintage look and are available in black or cream colors.
Shipping Case: This case is a guarantee that your amplifier will not arrive damaged from shipping. It also has wheels and a handle making it easy to transport your amplifier to and from shows or audio events.


This Military-grade waterproof/shockproof case customized to perfectly form-fit your amp for transport and or shipping. The amp fits upside down into foam.

SKB 3I Series Injection Molded Mil-Standard Waterproof Cases are molded of ultra high-strength polypropylene co-polymer resin, featuring a gasketed, water and dust tight, submersible design (MIL-C-4150J) that is resistant to corrosion and impact damage.
Features a continuous molded-in hinge, patent pending 'trigger release' latch system, comfortable, snap-down rubber over-molded cushion grip handle, automatic ambient pressure equalization valve (MIL-STD-648C), resistance to UV, solvents, corrosion, fungus and impact damage (MIL-STD-810F).

Case features wheels and a pull out handle so anyone can easily move it.
Once you have configured your amp in the shopping cart, hit the UPDATE button to see the total price of your configuration. If you're not sure if you picked the right options, place the order with the options you picked and then give Steve a call and we can easily change anything that needs it. You have on average at least 2 weeks after placing your order to call.



Zen TORII JR Owners Manual
DOWNLOAD THE OWNER'S MANUAL NOW TO LEARN ABOUT THE AMP.






DESIGN NOTES - TORII JR
by Steve Deckert
It's no secret the in the world of exotic tube amplification that S.E.T. amps rule in transparency and liquidity. We've all heard statements like... 'female vocals to die for' or 'insane imaging' when describing these jewels, but in the same breath you'll also hear things like 'needs an easy to drive speaker' or 'while the bass is good, it lacks the absolute control and dynamics of the bigger amps.' So right away you're left with a compromise... performance vs. musicality and grace.
S.E.T. amplifiers are what motivated the design of the Zen TORII & TORII JR

...because any time you have between 2 and 10 gloriously transparent watts the only thing that could be better is more. Designing a high power S.E.T. amplifier requires adding another gain stage (tube) or paralleled output tubes (or both). Either one causes a loss of transparency when compared to a single output tube per channel.
In the Torii design, even though you have two tubes per channel, they are not in parallel but rather transformer coupled in series so that only one tube is really in the signal path at any one time.
Having such a simple signal path gives the Zen TORII JR the same transparency as our SET amps where only 2 resistors and 1 capacitor are seen by the signal. And to complete the picture, just like a good SET amp, the TORII JR employs no negative feedback for slack-jaw imaging.


UNFAIR ADVANTAGE
How do you get an amplifier to sound like it does at 2:30 A.M. (when the power is cleanest) during the day and virtually every time you listen to it? Tube voltage regulation designed to filter instead of regulate.
First of all, the vast majority of tube amplifiers for sale do not even have tube regulation. Not to mention the obvious... but just because an amplifier has tube regulation doesn't mean it's going to sound better. Tighter and more control, yes. Better? ...not often. The classic shunt regulation so often seen in tube amplifiers that do offer it, often poisons the transparency with injected noise that must be further filtered. The TORII doesn't need tube regulation to improve power supply performance. It features a dual mono filter design with oversize power transformer. It's a brute force approach that delivers over 300 ma. of current when barely half that is actually used by the circuit.

In this special amplifier the Voltage Regulation tubes are wired in series with the load. In that configuration they become a filtering device instead of a regulating device. The VR tubes place a measurable vacuum gap between the load and the power supply. This creates Ultra Clean Power because all of the the noise is filtered off. (Noise from pollution in your local power grid that includes the harmonics that ultimately end up at your wall outlet and in your amplifier.)
This poisons virtually everyone's power outlets but it is eliminated in the TORII JR. Noise and contamination in the power grid literally doesn't make the jump across this vacuum gap between the cathode and anode of the regulator tubes. Talk about black backgrounds, we could call it the grain eliminator or the liquidity insurance program, or just an unfair advantage over tube amps.
This ultra clean power is one of the reasons why we know that unless you own and use a power generator, like the PS AUDIO power plant as an example, there is no way your present amplifier will sound as good as a TORII JR during the daytime hours.
You won't find tube regulation in the vast majority of power amplifiers, and none that use it in this critically important way. Yet, impressive as it might sound it is only a small part of why the TORII JR can achieve the unique sound quality that is has.

SET TRANSPARENCY EXPLAINED

The TORII design uses a unique push-pull circuit that employs only a single capacitor and gain stage to drive the output tubes, just like our popular 2 watt S.E.T. amps. Add to that the cleverly simple way it preserves the even order harmonic content and you have a push pull amplifier that is truly unique in the market... It has the beauty of S.E.T. sound with the performance of the very best push-pull. Speed and attack are taken to a new level here. In fact, the TORII JR makes most 200 watt solid state amps sound lean and flat.

EVEN ORDER HARMONICS ARE PART OF WHY SINGLE-ENDED AMPLIFIERS SOUND SO GOOD.
The Zen TORII has unique harmonics giving it a sound unlike virtually all push pull amplifiers, solid state OR tube.
The harmonics of an amplifier can be revealed in the distortion measurements. There are two types of harmonics; Even order harmonics and Odd order harmonics. Musical instruments naturally create lots of Even order harmonics. So do single-ended amplifiers BTW. However, I can't think of too many things in nature that create sound with Odd Order Harmonics, except for solid state and tube push pull amplifiers! This is why you don't get an organic sound from these types of amplifiers, and why everyone is so gaga over Single ended designs.
Here is a distortion graph of a typical push pull amplifier:

This works by simply playing a single tone at 1kHz and measuring the echo! You can see that the first harmonic (A) is at 3kHz - an ODD number. The next (B) is at 5kHz and the third (C) is at 7kHz. This is what an ODD Order Harmonic signature looks like. Notice there is no even order content whatsoever. Also of interest is the average noise floor seen between the test signal at 1KHz and 20kHz is about -110dB. (larger numbers are better). Considered very good this noise level is brought to you by a Balanced XLR solid state push pull power amplifier.
One of the main reasons why push-pull amplifiers never sound like good single-ended triodes is because most push pull designs naturally cancel the even-order harmonics as clearly shown in the graph above! Below is the TORII's graph, where you will find the missing Even order harmonics at 2kHz, 4kHz, 6kHz and so on, yet it IS a push pull design!

Shown below is the superior sounding distortion graph of a Zen TORII:

So you can see in the explanation above why the TORII's respond like a single-ended amp and why most push-pull designs sound far from it. Having the power and control of push-pull and the sound of SET, the TORII gives you the best of both worlds.
THE TORII JR VS TORII MK4
The TORII JR takes our most popular amplifier, the TORII MK4, and shrinks the physical size down by having one large power transformer instead of two smaller ones. In addition, an ultra-linear output transformer is used eliminating much of the complexity of the MK4. For example, adjustable damping, reconstructive feedback, bass and treble adjustments are no longer needed and therefor omitted. The additional tube regulation for the output tubes is also no longer needed since the tube screen are now regulated by the output transformer. This simplifies the amplifier resulting in lower cost to produce.
Since the amplifier has less parts and less wire, some very purist things were done to facilitate absolute transparency. We have located the silver input selector directly in-between the input jacks so that all that connects the two is 1 inch of silver/Teflon wire. This was repeated for each channel and basically eliminated around 14 inches of internal shielded signal cable. Additionally, the gain (VOL) controls were separated, one for each channel and located 1 inch away from each input tube. This again eliminates a 12 inch shielded signal cable and replaces it with a 1 inch piece of silver Teflon wire.
Besides these differences, the circuit remains the same with the one major difference of being the TORII JR is a fixed bias amplifier using a negative voltage on the grids of each output tube. This means that unlike the TORII MK4, the bias will have to be adjusted each time output tubes are changed. In the MK4, different output tubes can be tried without re-biasing.
Biasing the JR is very simple and easy to do, as one small adjustment does all four output tubes at the same time, and can be done externally without having to move the amp. We put the adjustment just in front of the volume control to ensure ease of access. Please review the owner's manual for more information.

NOTICE for Spring 2021

The TORII JR has just been redesigned - it is now the TORII JRv2. All TORII JR amplifiers on order are being shipped as TORII JRv2. You can read about the changes here in our forum:
TORII JR VERSION 2
The short version is that it no longer has to be biased and it works with a bunch of different output tubes making it a far friendlier amplifier to own and enjoy. It also sounds a touch better and includes some anniversary mods as standard fair.




TORII JR, a tube amp, measures better than the Hamon Kardon Citation Solid State Receiver of the 1970's with a
square wave response tilt of < 4% and power bandwidth out past 70kHz


  • INPUT TUBE CHOICES: 6922, 6N23P, 6DJ8, 7DJ8
  • OUTPUT TUBE CHOICES: EL34 6CA7 KT77 KT66 5881 6L6 7027 350B
  • INPUTS: 2 RCA TYPE INPUT JACKS FOR EACH CHANNEL
  • INPUT SELECTOR SWITCH: SILVER
  • OUTPUTS: 1 PAIR HEAVY GOLD 3 WAY BINDING POSTS PER CHANNEL
  • OUTPUT STAGE TOPOLOGY: GND-CATHODE TRANSFORMER RK
  • RLOAD PLATE TO PLATE: 6600 OHMS
  • ULTRA-LINEAR OUTPUTS
  • HI / LO SPEAKER IMPEDANCE SWITCH
  • IDLE CURRENT: 40 MILS PER OUTPUT TUBE
  • INPUT IMPEDANCE: 100 K OHMS
  • INPUT SENSITIVITY: ADJUSTABLE to 2.0 VOLTS
  • POWER INTO 4 or 8 OHMS: 20 WATTS RMS PER CHANNEL
  • OPERATION: CLASS A1
  • INPUT STAGE REGULATION: OA3/VR75
  • RECTIFICATION: 5U4
  • INPUT STAGE: ONE 6N23P or 6922 PER CHANNEL
  • OUTPUT STAGE: MATCHED QUAD EL34 PER CHANNEL
  • SIZE: 17-1/4 ' WIDE x 13-3/4 ' DEEP x 7-3/4 ' HIGH (figured base)
  • SIZE: 16-1/2 ' WIDE x 13 ' DEEP X 7-3/4 ' HIGH (contemporary base)
  • NET WEIGHT: 31 lbs.
  • WARRANTY: LIFETIME TO ORIGINAL OWNER / 90 DAYS ON TUBES
  • REMOVABLE POWER CORD
  • FREQUENCY RESPONSE: 25Hz ~ 25kHz +/- 0.53dB
  • FREQUENCY RESPONSE: 10 ~ 70kHz +/- 3dB
  • TOTAL HARMONIC DISTORTION: 0.4%

SPECIFICATIONS MEASURED WITH EL34 OUTPUT TUBES


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BestBest speakers for decware zen mini torii tv


MODEL TORII JR

20 watts x 2

Hand made in the USA and sold Factory Direct with a
L i f e t i m e W a r r a n t y !


Best Speakers For Decware Zen Mini Torii Tv

FACTORY DIRECT LIMITED TIME INTRODUCTORY PRICE

Decware
H O M E




© 1996 ~ 2014 by High Fidelity Engineering / Steve Deckert / All Rights Reserved

Model MiniTorii
4 watts x 2
Wholesale price includes Lifetime Warranty

Best Speakers For Decware Zen Mini Torii Pc




Best Speakers For Decware Zen Mini Torii 3

Made in USA




This amplifier was designed to be the ultimatedesktop amplifier having the same footprint as an 8-1/2 x 11 sheet of paper.
We wanted to re-create the same experience on the desktop as we have in the listening room... which is to say we want the same imaging and sound-stage performance with a seductive beauty found only with tubes.
To achieve this goal a desktop amplifier actually needs to be a listening-room amplifier and be able to be used in either place.

A major feature that makes this amplifier unique is the way it creates its own grain-free clean power with glow tubes. By using the glow tubes in series with the power supplies we get similar or better performance to using a $6000 power re-generator.
The end result is a serious listening room amplifier that has been miniaturized to fit on the desktop. A pretty impressive accomplishment considering it is a dual-mono single-ended design without compromises.

  • 6V6 single-ended design giving around 5 watts
  • Point-to-Point wiring with no circuit boards
  • Tube rectification for each channel using 6CA4/EZ90
  • Output-stage regulation using OA3's
  • Input-stage regulation using OC2's
  • Dual volume controls
  • 8.5 inches x 11 inches x 5 inches
  • Requires NO preamp
  • Input for 2 sources
  • Variable Line Level Output jacks
  • Treble adjustment with bypass
  • Adjustable feedback to control presence
  • Our Proprietary UFO wide-band output transformers
  • Easy to move around
  • High-mass, powder-coated steel chassis
  • Solid hardwood base with wood options
  • Enhanced tube life
  • Self-biasing - nothing to set or adjust
  • LO and HI impedance speaker switch
  • Cryo-treated Beeswax caps
  • Highest-grade internals
  • Output tube compatibility facilitates custom voicing


The audio circuit is a very minimalist dual-mono single-ended design featuring a volume control and input selector for two sources.
The amplifier's overall gain is high enough that during those times when you don't have a real DAC hooked up it can still sound good driven by something as weak as a laptop's headphone jack.
There is also an adjustable treble-cut with a bypass switch so that if you find yourself streaming compressed MP3 music while you're working, you can make it more tolerable by reducing the very top end where the results of jitter and compression are most apparent.
The dual-mono design gives the amplifier a separate power supply and even a separate power switch for each channel. Basically it's two monoblocks stuffed into a single chassis. Dual- mono enhances performance and makes troubleshooting tube problems fast and painless.

The Mini Torii is basically the most exotic tube amp you can squeeze into a package this small. Its sound and build quality consistently exceed everyone's expectations... which are already quite high.

Mini-Torii Glow tubes used to clean the incoming power.



There are a few options available for this amplifier that can be selected from within the shopping cart.


Select Voltage: Choose the voltage for your country. The appropriate power cord will be selected for your location and included with the amp.
Base style: The standard base is dark walnut. Custom woods can be selected for an up-charge. Exotic woods would be anything not listed, like for example; Zebrawood. Just write the kind of wood you want in the comments section when you place your order.
Volume Control: You have a choice of smooth-action volume controls which allow for better adjustability or 20-position stepped attenuators which allow for better transparency.
Headphone Jack Type: A headphone jack can be added to this amplifier. It's located in the front and is available in 1/4 inch only. The headphone jack option works well with both planar and dynamic headphones.
Knobs:
There are three controls on a Mini Torii... a left and right volume and a treble-shunt. Below are the knob choices for these controls.

Signal Capacitors- Select from four types of coupling-caps shown below:

Coupling-capacitors aka Signal-caps shown left to right 1 ~ 4

1) Film Capacitor
Industry-standard audiophile-grade signal capacitors
2) Jupiter Cryo Beeswax - type I
Boutique high-resolution signal capacitors
3)
Jupiter Cryo Beeswax type II
Boutique higher-resolution signal capacitors

4) VCap Copper Foil
Boutique higher-resolution, higher-gain signal capacitors

NOTE: Choices 3 & 4 make the unit non-refundable.






Everyone needs a good reference, so the stock tube complement that ships with this amplifier is carefully tested and voiced for the amplifier. Our factory tube complement is of the highest quality and ideal for those who wish to not worry about tubes and just enjoy the music.

TUBE ROLLING

(SKIP THIS SECTION IF YOU'RE NOT INTO VOICING YOUR AMP)

If you decide to change the way this amp sounds despite the fact that we ship it with hand-picked top-quality tubes that we like, that's OK.
You have the rather empowering opportunity to experience the unique and delicate signatures of a large variety of tubes. In fact it almost becomes an experience of listening to the tubes themselves... not the amplifier.
To that effect...
All of these tubes shown below will work in a Mini Torii - each pair sounds a little different.

1944 RCA Gray Glass 6Y6G

1949 Raytheon 6V6GT

1951 National Union 6V6GT

1950 Sylvania Gray Glass 6Y6G

1950 National Union 6V6GT


1955 Sylvania JAN-CHS-6V6GTY

1959 Tung-Sol 6L6WGB

1960 Canada G.E. 6L6-GB

1961 Raytheon 6V6GT

1962 Ken-Rad 6V6GT

1964 Sylvania 6V6GT

1970 Sylvania 6L6G

1972 RCA / Amperex 5881

1979 Philips JAN-6L6-WGB

1961 CBS-Hytron 6L6WGB

CEI 6L6GB
5881

International
6V6GTA

Ken-Rad Black Top 6Y6G

Sylvania Gray Glass 6Y6G

Westinghouse
6V6GTA

Tung-Sol Type41 6K6

RCA
6K6GT

G.E.
6K6GT

1940 RCA
Type 41 6K6

Sylvania
6F6GT

1961 G. E.
6F6 Metal

USSR
6F6M-1

Ken-Rad
6F6 Metal

6L6 Black Plates

Shuguang
6L6

RCA
Metal 6L6

RCA-Tung-Sol
6L6

Amperex EL37-6L6

Ken-Rad
6L6 Metal

USSR
6L6

1957 G.E. Black Plate 6L6-HP

G.E. Double '00' Getter 6L6GC

Tung-Sol
6L6

G.E.
5881

Sylvania JAN-CHS 5932 Black Plate


There are large sonic differences between the 6V6, 6Y6, 6K6, 6F6 and 6L6 output tubes in the Mini Torii amplifier. The differences are not unlike owning a completely different amplifier with every change.


Mini Torii ships with an OA3 Voltage Regulator tube for each channel. This is the best performance of the four available alternates. The remaining three (OB3,OC3,OD3) can be used to take the tube-rolling experience to a deeper level. All four of these voltage regulator tubes create a different voltage for the output tubes which changes the sound.





This amplifier is hand-built in the USA by DECWARE / High Fidelity Engineering Co. It comes with a lifetime warranty to the original owner. If you purchase one second-hand and ever have questions or technical problems we WILL be happy to check it out for you and service it if needed for a very reasonable rate.

We also have a support forum with many people who own this amplifier whose experiences you may benefit from.

Owner's manual

You may read reviews on our amps here.


MINITORII - 2009 to Oct 2012
Easily distinguished by the gloss white chassis plate. Original models used a 7-pin 6X4 rectifier tube that was later changed to a 9- pin current-production EZ90 rectifier tube.


MINITORII-II - New in Oct 2012
Also easy to recognize because the finish has been upgraded to black wrinkle. Features user-adjustable variable feedback. Cryo-treated beeswax signal caps are now used throughout. New high-mass steel chassis for improved micro-phonics... adds 150% more mass!



MINITORII-III - New in Oct 2015
Installed UFO output transformers for better resolution and an impedance switch that lets you hear your speakers with both a HI and LO impedance setting. An ultra-serious upgrade to an already incredible amp.



This amplifier requires no adjustments or maintenance other than changing tubes every couple years. It's a self-biasing design and dual mono which means matched tubes are not required.

Weight17 lbs. ea.
Dimensions6.50' H x 12.125' W x 9.125' D
Circuit typeSingle-ended Class A Pentode
Power output3.9 watts RMS
Input voltage1.0 volts for full output w/ 12AU7
Noise / HumToo low to hear
Response20 Hz ~ 80 kHz
RegulationOA3 and OC2 / tube voltage regulation
Rectification6CA4 tube rectification
Output tubes6V6
Signal tube12AU7
TransformersDecware
BiasingSelf-Biasing
AC cordRemovable power cord
Consumption75 watts at full power
Input jacksRCA type 24K Gold / Teflon
Output jacks5-way binding-posts accept 12 gauge
Speaker dB/1w90 dB minimum / 94 dB is ideal
WarrantyLifetime to original owner


Rear connections

STEVE'S DESIGN NOTES on the original 2009 amplifier.
Shown left with an IPod to give you a sense of scale.
The Mini Torii is small enough to fit on your desk.



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Hand made in the USA and sold Factory Direct with a
L i f e t i m e W a r r a n t y !

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