Ayon AudioHA-3 II Tube Headphone AmpnewAyon Audio HA-3 II Tube Headphone Amp AWARD WINNING 8 YEARS RUNNING0% Financing Available - 3 Years! https://www.usatubeaudio.com/financing/ Link: https://www.ayonaudiousa.com/product/ayon-ha-3-tube-headphone-amp/ Axpona 2019 "Best Sound" Enjoy The Music Ax...3900.00

Ayon Audio HA-3 II Tube Headphone Amp AWARD WINNING 8 YEARS RUNNING

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Axpona 2019 "Best Sound" Enjoy The Music

Axpona 2019 Audio Oasis Award from Positive Feedback

Positive Feedback Brutus Editors Choice Award!

Impressions:  The Ayon Audio HA-3 II SET Headphone Amplifier and the Focal Utopia Headphones

11-29-2018 | By David W. Robinson | Issue 100

High-end headphones and Personal Fi. I've evaluated a goodly handful
of 'phones and headphone amps over many years, with some excellent
results. Some were large cost-no-object designs, built for home,
listening room, or office use only; others were compact and portable,
for the music lover on the go. (I do a fair amount of flying, and
appreciate good portable gear.) I also have some great headphones and
headphone amps for stay-at-home. Either way, I'm well served.

As a result, over the years I've built up a collection of reference
headphones, of various types. Electrostatic, Dynamic (both open and
closed back), Planar Magnetic…over the ear, in ear (both generic fit and
custom-molded)…a good cross-section of what's out there.

I've been more and more impressed with the gains that we're seeing in
reference headphone systems over the past few years, though. For 2018, I
thought that I would make a major effort to explore several truly great
headphones and headphone amps. These are combinations that I've
searched out or have been informed of over the past 18 months or so. The
response from manufacturers has been quite favorable, and review
samples were forthcoming. I've spent quite a lot of time here in my
editorial office listening to the results…this is the first of several
reports on what I've been hearing this year.

The striking Ayon HA-3 II SET two-box headphone amplifier (photograph and image processing by David W. Robinson)

Charles Harrison of USA Tube Audio and Ayon Audio sent along the Ayon
HA-3 II Headphone Amplifier. Ayon Audio is a major player in the world of
tubed audio, based out of Austria. This is a lovely two-box SET tubed
design, with a separate power supply. Ayon is clearly staking out ground
in a purist and minimalistic SET approach to headphone amplification,
and is doing so with real seductive beauty to both eye and ear. I was
really looking forward to hearing how the HA-3 II would perform here at PF River-City-and-up-the-hill.

The Focal Utopia Reference Headphones

The Focal Utopia Beryllium Headphones upon arrival (photograph and image processing by David W. Robinson)

Every headphone amp review must also be a review of headphones, of
course. What direction to go here? I had a lot of latitude, since the
HA-3 II would handle everything from 32-600 ohms comfortably. After some
research, and some discussion, the good folks over at Focal sent along
their Utopia reference headphones for my trial and evaluation for this
headphone project. I had heard great things about the Utopias and their
pure beryllium drivers, and wondered how they would stack up against
other headphones here. Focal's courtesy and interest in what I was doing
was quite pleasant, and speaks well of the culture at this large and
well-known high-end audio company. (No, not all large high-end companies
are this way.)


Quantitative measures are not be-all and end-all in the world of
high-end audio, of course. We're much more interested in how equipment sounds than in how it measures. (Pace,
audio number crunchers and so-called "objectivists"!) But, properly
understood, hardware information can help us to develop a mental profile
of a given design.

For those interested, here are the specs for both the Ayon HA-3 II and the Focal Utopias.

Ayon HA-3 II SET Headphone Amplifier

  • Tube Headphone amp, Pure Class A Triode

  • Class of Operation: Pure Class A, SE-Triode

  • Tube Complement: 2 x AA45 Mesh, 2 x 12AU7

  • S/N Ratio:  > 100dB (unweighted)

  • Input Impedance: 50 kΩ

  • Frequency Response at 32Ω: 15 Hz – 35kHz

  • Harmonic Distortion (at 150mV):  89dB

  • Output Power at 32Ω: 500mV

  • Output Impedance – Headphone: 16Ω – 600Ω

  • Line Input: RCA phono sockets

  • Headphone output: ¼" Stereo Jack (6.35mm); 1 x low impedance (~64 ohm and below); 1 x high impedance (>~64 ohm – 600 ohm)

  • Power Consumption: ~65W

  • Dimensions Main Unit (WDH) cm:  22 x 30 x 20 cm

  • Dimension Power Supply (WDH) cm:  22 x 30 x 10 cm

  • Weight (Main Amplifier): 10kg

  • Weight (Power Supply): 10kg

(A further list of product details is posted by USA Tube Audio for Ayon at https://www.usatubeaudio.com/product/amplification/ayon-ha-3/. I'd strongly recommend that our readers peruse this profile, as it includes additional information.)

In sum, a great collection of design excellencies. Pure Class A, SET,
45 Mesh tubes on the output side, very good frequency response, a broad
range of impedances supported, separate 6.35mm (1/4") jacks for hi-Z
and lo-Z output, and very solid power output. The volume control is
solid and smooth in feel, and continuous in operation. The separate
power supply acts as a handy and handsome platform for the amplification
section of the HA-3 II.

Rear view of the Ayon Audio HA-3 II showing the dedicated power connector from the external power supply and the unbalanced inputs.

Very nice, indeed.

And now for the Focal Utopia headphones.

Focal Utopia Headphones

  • Type: Circum-aural open back headphones

  • Impedance: 80 Ohms

  • Sensitivity: 104dB SPL / 1mW @ 1kHz THD

  • Frequency Response: 5Hz-50kHz

  • Loudspeaker: 40mm pure Beryllium M-shape dome with carbon fiber yoke

  • Ear pads: Pure lambskin

  • Weight: 1.08 lbs.

  • Cable length: 3 meters

  • Connectors: 1 x ¼" (6.35mm) stereo jack; 1 x 9.5mm Lemo

  • Carrying case: 326mm x 260mm x 164mm

Focal makes a big point about the fact that the Utopia drivers are
40mm pure Beryllium, an element that's both light and very strong. They
have been shaped in an "M"-shaped driver configuration, which according
to Focal has allowed them to avoid the use of a crossover network, while
still having a nominal frequency response of 5Hz – 50kHz. These
extraordinary drivers, mounted in a fully open-back design, lead to a
blessed union of spaciousness with dynamics and detail that is
mind-blowing (see my comments on the sound below).

The packaging was of exceptional quality, and would protect the
Utopias against anything except the most violent damage. (That is not a
dare, UPS and FedEx.)

So we have a lowish impedance (80 ohms) pair of drivers that are
constructed of modern materials that are housed in a beautifully crafted
open-back housing and framework. The headphone yoke is constructed of
carbon fiber with lines that flow directly to the 'phones themselves;
the earpads are made of lambskin for maximum comfort.

These are all elements of an extremely righteous headphone design…but how would they sound over time?

The Sonic Chain

After some trial runs, I made the decision to try the Ayon Audio HA-3
with the Focal Utopias. They seemed to work and play well together, and
I'm always looking for the good mojo of audio synergy, that wild and
elusive beast.

The linkage that I used ran from the ModWright-modified OPPO BDP-105
two-box tubed unit, the PS 9.0 Power Supply with upgraded rectifier
tube. This was home base for SACD playback for the HA-3 downstream.
SACDs were the main source that I used for my evaluation of the
HA-3/Utopias. RCA interconnects were JENA Labs Symphony from the
unbalanced outputs of the ModWright BDP-105 to the unbalanced inputs of
the HA-3. The power cables were a pair of JENA Labs braided and an ALO
Audio Green. Power conditioning and distribution was courtesy of
Furutech's Daytona 303, powered by a Furutech NCF Power Cable plugged
into a Furutech NCF AC Receptacle. (Later I shifted from the Daytona 303
to the latest iteration of the Walker Audio Velocitor, the VelocitorsS,
cabled with the Silent Source Music Reference cable recommended by
Lloyd Walker himself.) The headphone cable was the Focal-supplied two
meter cable.

The output tubes on the ModWright BDP-105 Universal Player (photograph and image processing by David W. Robinson)

Overall, this is a highly-tubed pipeline, with no less than nine
bottles in play during listening. The results with the precision of the
SACD sources that we listened to reflected the glowing tubulosity of the
signal chain. More on that just below.

After checking to be sure that all was working out of the box, I ran
the HA-3/Utopias on auto-play for about five days with the ModWright
OPPO BDP-105, changing the SACD from time to time. I found that after
about 100 hours, the sound of the two started to bloom nicely, and would
continue to do so until well after 250 hours. This was for the benefit
of the HA-3 and Utopias; my ModWright BDP-105 is fully broken in as of
years ago.

The Sound

Well now…after 100 hours, I really dug in on listening daily to this combo while working at my desk for Positive Feedback.
I regularly spent 4-5 hours in extended sessions, while going from disc
to disc. As far as the music goes, we have a very large SACD reference
library here at PF River-City-and-up-the-hill…approaching about 7000 discs these days.


For evaluation, I used a broad array of music, with SACDs from
Analogue Productions, Sony Music, Audio Fidelity, Universal, SHM-SACD,
EMI (Universal Japan), Esoteric, Top Music, RCA Living Stereo, Mercury
Living Presence, Reference Recordings, 2L, Stockfisch, DG, Archiv, Opus3
Records, and Blue Coast Records. This meant that I had a very wide
variety of music to use with the HA-3 II/Utopia tandem. And by now, I've
put hundreds of hours on them…you can do that when you're listening
while working at your desk for months.

And what's my scorecard for the Ayon Audio HA-3 II and Focal Utopia headphones?

Transparency:  I've mentioned a number of times that
I consider transparency to be the king of audio virtues…and now I'm
saying it again. This combination of Pure Class A SET and open-back
Beryllium drivers did an absolutely smashing job of taking the ModWright
OPPO BDP-105's tubed output and launching it into a cranial internal
orbit. No muss, no fuss…just an exceptional sense of clarity, done over a
deep, dark background.

"Crystalline" isn't quite the word I want here…that's more the
traditional realm of electrostatics…but it's pretty damned close in the
case of the HA-3 II/Utopias. The open-back design really does give a nicely
enhanced sense of openness, helping the transparency of the Beryllium
drivers to shine.

Spatiality:  Excellent. Naturally headphones cannot
be evaluated for imaging/soundstaging the same way that
loudspeaker-based systems can, but they can do more or less well at
giving the listener a sense of space in the old interaurals. Really
great recordings, like my old and highly favored warhorse Rhapsodies
with Stokowski on Analogue Productions RCA Living Stereo SACD, just
float, with a powerful sense of the hall…even on headphones. For
example, the first cut, Liszt's Hungarian Rhapsody No. 2, is a
The HA-3/Utopias team really impressed me with the way that the
recording sounded expansive and extended, something that lesser
electronics and headphones simply don't do for me.

Dynamics: Wow! On the macro side, big-time slam-dunk
kapowie! No overload; no congestion; no breakup. The Ayon Audio HA-3
seems to have all of the oomph necessary to propel dynamic references
like Reiner's Scheherazade on Analogue Productions SACD, or the immortal performance and recording of Respighi's The Pines of Rome on SACD from the same source. Likewise, the soundtrack to Bladerunner on Audio Fidelity SACD, the "End Credits" track, simply turns your head into a punching bag and cuts loose!

Who says that SETs can't pounce and bounce?!

In fact, I found that a volume of 9:00-9:30 on the dial was all that I
needed for many recordings, while 10:00 or so was fine for those that
needed a bit more gain (or that I really wanted to groove with!). Like,
say, Eric Clapton's Timepieces:  The Best of Eric Clapton on Audio Fidelity SACD. One word:  "Layla"!

(Damn. I am really missing Audio Fidelity…they had such great A&R!)

Detail:  No problems here. The presentation of
detail, from delicate to daunting, came through without any hitches. The
45 tubes on the HA-3 sitting on their separate power supply and
operating in Pure Class A mode sent the Focal Utopias a signal that
allowed the Beryllium drivers to parse micro- and macro-details in a
most satisfying way.

I checked out a recent rave of mine. Being a huge fan of traditional
American finger-pickin' style on 12-string guitars (hi, Cuz Keith
Knight!), I had to spin Andreas Rohde's Resonance, which is
Vol. 2 of the "Analog Pearls" series on Stockfisch SACD. Absolutely
killer…a brilliant transfer from the original analog tape to DSD via a
Meitner A/D…and nails it! Listening to the fingering and fretting was a
huge pleasure via the HA-3/Utopias tandem; every bit of Rohde's mastery
of the 12-string, reminding me strongly of Leo Kottke, who certainly
must be a powerful influence, was immediately discernible.

Absolutely brilliant.

Transient response:  Absolutely excellent. This
audio virtue, which my good audiobud Lloyd Walker calls "quickness," is
there in the HA-3/Utopia duo, in spades. In fact, while it was quite
good with the Furutech Daytona 303, it seemed to get even better when I
installed Walker Audio's latest generation power distribution unit, the
VelocitorsS. Good grief! (Note that it is plugged into the
same Furutech NCF AC Receptacle, using a Silent Source Music Reference
Power Cable, that the Furutech Daytona 303 is connected to.) I
definitely heard an improvement in transient response…the "quickness"
that Lloyd refers to…with that unit supplying the HA-3. It's obvious
that hanging onto the transient tracks is something that it does well,
and even better with the VelocitorsS in the mix.

Bass: This is easy:  the HA-3 II/Utopias reached deeply
into the nether regions. Not boomy at all…deep, but well controlled
lower frequency performance was evident from the get-go with the Focal
Utopias. Not overly tight; I don't like overly tight bass. (Come to
think of it, I don't like overly tight anything…clothes, budgets,
relationships, cigar draws, and people.)

Musical bass, bass that is round and breathes.

And it was there, big time, when the HA-3 II and Focal Utopias handled recordings like 2L's absolutely fantastic SACD, Edvard Grieg – Piano Concerto
like a world-class champion duo. I'll be categorical:  Any piano lover
who can play SACDs and does not have this one in his or her collection
is missing a glorious recording! One not to be missed. And there's an
utterly cool secret behind how this unique recording was made, one that
you'll find out about when you read the very fine liner notes.

Nope! I'm not going to tell you. You'll have to purchase this Blu
Ray/SACD combo pack to get in on the mystery. And just wait until you
hear it…

The entire disc will give the bass region a well-balanced workout. You can thank me later.

Or check out "The Pines of the Appian Way," track 4 on Pines of Rome/Fountains of Rome,
on the classic reference recording by Reiner and the CSO done to SACD
and produced by Analogue Productions. Deep, brothers and sisters.

Midrange:  Gorgeous. Here is the traditional stomping grounds of excellence with SETs, and the HA-3 II just glows with midrange gloriousity and sensuality. Any
recording that excelled in the midrange sounded wonderful here, period.
I have listened three or four times to a recording that my good
audiobud Joe Cohen of The Lotus Group introduced me to, Rameau's Une Symphonie Imaginaire, Minkowski and Les Musiciens du Louvre, on Universal Japan's single-layer SHM-SACD.

I have both the LP and two different SACDs of this recording, and
have heard it many times. This recording is highly dynamic, but also
features excellent in all tonal ranges. The midrange is simply lovely,
and shows that the HA-3/Utopias are exceptional here.

This is confirmed by the very fine recording of Sir Georg Solti and the CSO performing Debussy and Ravel (Ravel:  Bolero, Debussy:  La Mer & Prelude a L'apres-Midi D'un Faun),
on Universal Japan/Decca single-layer SHM-SACD. If you need midrange
goodness in your life, this will certainly deliver it. The performance
of the HA-3 II/Utopias was simply delicious in every way.

Treble:  The combination of extended frequency
response on the Focal Utopias, its open-back design, and the high
performance of the Ayon Audio HA-3 II provided the best upper frequencies
that I can ever remember experiencing in a dynamic headphone. All music,
all types…I would never have guessed that I was listening to dynamic

Harmonics:  The harmonic structure…that is, the way
that all frequency ranges blended with one another…was remarkable with
the Focal Utopias. Focal talked about the fact that their
M-configuration Beryllium driver allowed them to avoid crossovers and
complicated configurations. As they say on their Website,
"Utopia are unique: they are the world's first audiophile headphones
featured totally open-backed full-range speaker drivers with pure
Beryllium 'M'-shaped domes. The acoustic quality of this exclusive
solution allowed Focal to avoid the use of any crossover or passive
filtering process to achieve a frequency response from 5Hz to 50kHz!"

This is what I'm hearing over the months that I've been listening: 
an extraordinary seamlessness to the music, with complete coherence from
top to bottom and back again.

Organics:  By "organics," I mean the way that an
audio chain brings together all other sonic virtues into something
more:  a living, breathing, living whole, one that makes you listen on
and on and on. Some speak of "musicality" (as do I, in a different way),
others talk of "gestalt."

Me, I think of truly great components as bringing it all together,
without leaving anyone out of the banquet. This is when fine audio
crosses the line into the truly transformational, connecting at the
level of soul, and fanning the flames of same.

You know. Organic.

The HA-3 II/Utopias have this, in spades.

Comfort:  Fantastic! The Focal Utopias allow me to
listen for hours on end, which means that they are of great benefit to
me as I write and edit, which I prefer to do to music.

Instead of having to take frequent breaks from listening, due to
headphone pinch, or pad discomfort, or overheating, the Utopias are
top-rank for their pure comfort. The lambskin ear pads are a major
blessing to those of us who do appreciate the virtues of long stretches
of fine listening while working.

Reliability:  No problems to report. The Ayon Audio
HA-3 II and Focal Utopias have not glitched at any time, and that's after
hundreds of hours of heavy use. Thumbs up here.


You can see this freight train a'comin', I reckon.

To say that I really love the Focal Utopias and Ayon Audio
HA-3 II is not an overstatement at all. Here we have a combination of tubic
goodness and state-of-the-art design and execution that demonstrates
that the possibilities for the audio arts are by no means exhausted. To
hear a Pure Class A 45-based SET with its separate power supply take a
tube-based SACD output and feed a cutting-edge reference headphone like
the Focal Utopias was to find a deep joy in the music. And as I've
mentioned, the comfort of the Utopias allowed me to do so for hours on
end…as I'm doing right now, in fact.

No quibbles, no problems, and fantastic performance from this dynamic
duo. Just months of great listening, so good that I just dug my
recordings for hours on end. They just flowed and flowed…

Verdict? I put both the Focal Utopia Reference Headphones and
the Ayon Audio HA-3 II Headphone Amp in the top rank of this component
class that I have heard. Absolutely brilliant in every way. (
fact, both will be receiving Brutus Awards from me when I announce them
next week! It's close enough that I can let that secret leak.)

The Focal Utopias and the Ayon Audio HA-3 II therefore earn a "Ye Olde Editor's 'Very highest recommendation!", and that with great enthusiasm. In fact, I have have made arrangements to purchase the Focal Utopias, and will be keeping them here in our PF hardware reference library for ongoing use. Yes, they're that good.

And the HA-3 II? We'll see what happens….

Meanwhile, if the budget range works for you, and you're in the
market for great headphone sound, you should definitely be checking this
combination out. They're splendid!

Audio HA-3 II SET Amplifier

Retail: USD$4500

Utopia Headphones

Retail: USD$3999

Ayon Audio

US Distributor

USA Tube Audio

8355 E Butherus Drive

Suite 1

Scottsdale, Arizona  85260

USA & Canada:  1-800-676-1085 Ext 2

Mexico: +52-55-8525-6102

International: +1-323-657-5993

[email protected]


Audio Oasis Award from Positive Feedback

Axpona 2018 Show - Ayon Audio & Lumenwhite

AXPONA 2018 - My Top Room for Sound 04-20-2018 | By Robert S. Youman |
From the moment I took my seat I was quite comfortable if not spellbound.

Bottom line, the sound quality was simply outstanding.

I was extremely impressed with the rich harmonic

presentation of this system. There was just a natural liquidity and flow

that could not be ignored.

Steven R. Rochlin of Enjoy The Music -                                       " Best Sound" Ayon Lumenwhite -                                        RMAF High End Audio Show 2017 Denver, CO.

Ayon Audio and Lumenwhite keep getting Best Of Sound at shows from not just us, but from other mags too and so once again they don't disappoint.


The 2017 Los Angeles Audio Show - The Absolute Sound

Robert Harley on Electronics

by Robert Harley  | Jun 06th, 2017 
RH’s Best of Show

Best Sound (cost no object)

USA Tube Audio’s demonstration of the new Lumen White 25 Generation 4 speakers driven by Ayon electronics was spectacularly great, with wall-to-wall soundstaging. 

Close your eyes and you’d never know that you were in a hotel room.

Ayon Audio
Ayon Audio distributor USA Tube Audio presented the world premier of several new Ayon products; I’ll cover just the amplification. The system included the Ayon Spheris III preamplifier ($34,500) or alternately, the S-10 Network Streamer/Preamplifier ($8300). The all-tube components, housed in gorgeous chromed chassis, fed a pair of Ayon Orthos XS Gen 4 mono amps which drove the new Lumenwhite White Light 25 Gen 4 Anniversary speakers in one of the show’s best-sounding rooms.  

The 2017 Los Angeles Audio Show - 
The Absolute Sound

by  Neil Gader  | Jun 15th, 2017   NG’s Best Of Show - LA Audio Show 2017

Best Sound (cost no object): 

Most Surprising was the stunning Lumenwhite “White Light Anniversary ($69,000).  

Lumenwhite White Light “Anniversary” 

Do blondes still have more fun? If it’s a wood-veneer finish, Lumenwhite certainly thinks so. It premiered Generation 4 of its famous “White Light” speakers—the White Light Anniversary Reference ($69,000). The Anniversary Reference features the world’s first all-ceramic driver array in a radically advanced “pressure-and-flow-dynamics-optimized cabinet,” with numerous innovative technologies in an all-out assault on the state of the art in reference loudspeaker performance. Sonics were brilliantly fast and open. To my ear Lumenwhite’s latest generation of ceramic transducers was uncolored and possessed terrific dynamic output as well as sensitive micro-gradients. Driving the White Light were all Ayon components including the vacuum-tube CD-35 SACD streamer, S10 vacuum-tube streamer, Spheris tube preamplifier, and Orthos II Gen 4 mono amps.  

2016 - THE SHOW NEWPORT Robert Harley - The Absolute Sound   The Show Newport 2016 - Irvine California  "Best Sound" "Cost No Object" Ayon Audio Electronics with the Lumenwhite White Light Loudspeakers.   
Neil Gader - The Absolute Sound
The Show Newport 2016 - Irvine California  "Best Sound" "Cost No Object" Ayon Audio Electronics with the Lumenwhite White Light Loudspeakers.  









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Ayon HA-3 "STATE - OF - THE ART" 

The HA-3 was developed for headphone lovers searching exclusively the very special music experience.
It impresses with it’s Single-Ended-Triode technology taken to its respective extremes by Ayon in all their products. Selected in-house AA45 Mesh super triodes, the perhaps most perfect and best sounding low-power triode for headphone amp design, are applied in combination with special super-permalloy wound output transformers.
At the HA-3 deliberately all useless gimmicks have been omitted. The HA-3 is designed without compromise in its circuitry as well as in its power conditioning; therefore, a separate top-class power supply was inevitable; on the one hand it guarantees extraordinary voltage and current stability and lowest hum.
With its powerful, airy, and lively play, paired with a superb spatiality with emotional reproduction the HA-3 drives every dynamic headphone to absolutely maximum tonal performance. From treble in brilliant resolution to absolutely authentic colourful mid-range and a deep resilient bass. At the same time, it fascinates by its incredible ease, closeness and control at any kind of reproduction that is second to none.

Features & Design

Full-featured pure class-A tube stereo headphone amplifier
Ayon AA45 Mesh power output tubes

Vacuum Tubes
The choice of signal and power tubes have a significant influence on the sound and hence on the inspiration and joy of listening. This is not only the decision between good and bad tubes but finally the interaction of the different types of tubes and their combination that are used in the various Ayon amplifiers.

Signal Path
We believe that the simplest circuits work best together with the shortest signal path. The shorter the signal path is, the less possibility of sonic degradation from various sources, including the wire itself. Even on the circuit boards, the copper traces are kept to a very minimum length. The completely redesigned circuit board provides a more straightforward and direct approach to the signal paths. 

● Logical sequenced soft-start power up for extended tube life
● Ultra short signal path
● Simplest direct circuit path for purest musical sound and high reliability
● No solid state devices in the signal path
● High current and low impedance design that operates tubes in the best areas their curves
● Automatic bias adjustment
● No followers or buffers in the signal path
● Quality parts throughout

Power Supply
The power supplies have been further refined with new components and enhanced AC line noise filtration. Separate power transformers, chokes and filters provide total isolation between the input and output stages which makes this a pure power source. We also use electrolytic capacitors with much larger storage capacity to make up for the loss in filtering when using resistors in lieu of inductors.

● Low noise –insulated power transformers
● Power transformer is excellent damped and RFI/EMI shielded
● Innovative power supply provides a high speed energy delivery on transients
● Choke filtered power supply
● Separate and isolated power supplies over each stage of amplification
● High current filament-regulator for pre/driver tubes
● Regulated DC filament supplies with soft start
● AC power line filter to avoid noise and hash from entering into the unit.

Output Transformer
The super-wide bandwidth output transformer’s major strength is that it can deliver the current in the bass, while at the same time maintaining the speed in the high frequencies, dramatically improving the square wave response of the amplifier. The effect is a much more natural and relaxed sound with much better clarity, resolution and fluidity.

● Super-wide bandwidth high performance - super permalloy output transformer
● High efficiency with low insertion loss for optimal current and voltage transfer
● Multiple tight layering and coupling for extended frequency response
● Output transformers are sealed with an anti-resonance compound material

The type of parts used therefore must have a synergistic relationship to the circuit they are placed in. It is this relationship of which type of part to use where, that ranks our products apart from the mass.

● Selected,  quality passive components used in all applications
● High speed  & high quality audiophile grade coupling capacitors
● Special tube sockets with beryllium- copper spring pins, custom made by Ayon
● High quality – RCA input jack
● Special isolated - internal wiring
● Copper matrix - internal signal cable
● Gold-plated industrial grade PCB

Mechanical Construction
The high grade aluminum chassis impart a richer, more lustrous tonality with a cleaner background and less hash and grain. All brushed anodized anti-vibration-resonance and non-magnetic chassis’s are fully hand assembled to insure the highest level of craftsmanship.

● Improved heat ventilation chassis
● Custom-made machined control knobs
● All front & rear panel descriptions are engraved
● Chassis finish: black / black


Tube Headphone amp

Ayon HA-3

Class of Operation

Pure Class A, SE-Triode

Tube Complement 

2 x AA45 Mesh, 2 x 12AU7

S/N Ratio

> 100dB (unweighted)

Input Impedance

50 kΩ

Frequency Response at 32Ω

15 Hz - 35kHz 

Harmonic Distortion (at 150mV )

< 0.01%

Channel Separation L/R

> 89dB

Output Power at 32Ω


Output Impedance - Headphone

16Ω – 600Ω

Line Input

RCA phono sockets

Headphone output

¼” Stereo Jack (6.35mm)

Power Consumption

~ 65W

Dimensions Main Unit (WxDxH) cm

22x30x20 cm

Dimension Power Supply (WxDxH) cm

22x30x10 cm




Our 90 Day Price Protection Guarantee assures our clients of our continued commitment to full satisfaction and delight. Should you find any Hi Fi product we offer from an Authorized Dealer in the USA for a lower price than the price you paid to us, we will gladly refund to you the difference plus 10% of that difference.

Open 7 days, 10am to 8pm Ocean West

USA Tube Audio - Since 1976 
Please call 1-800-676-1085 Sales Ext 2 - USA + Canada 
1-323-657-5993 International 
52-55-8525-6102 Mexico 

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member since September 2006

USA TUBE AUDIO  Verified Dealer

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