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Ayon Audio CD35 II HF Edition


Whipped up by the great success of the CD-35 Ayon received many requests to launch a special and limited Version of the CD-35. Essentially a quasi “digital” machine that should act “analogue” as it never has before!

Interested? Contact Us


All music lovers engaged in top analogue turntables and/or reel-to-reel tape recorders also felt this should be considered. Many ideas, thoughts, suggestions, and a dedicated assistance of the people of the HighFidelity.pl magazine also were incorporated in the CD-35 HF project. Based upon the existing CD-35 technology every detail was re-examined carefully, refined, high-selected, re-adjusted, and the best-sounding components were implemented at the key areas of the circuitry, matched at 1% level – Reference! Also, its slightly modified appearance, equipped with additional black elements, underline the exclusivity.

The CD-35 HF reflects a deep magical illumination of space, paired with a dynamic black deployment of power second to none. With its enormous musical representation, in addition to its detailed tranquility, the “long-term listening” is always described as being relaxed and inspiring.

Hence, a new era of digital/analogue CD-reproduction presents itself in the foreground, a masterpiece of the art of sound.


Technical Data

Conversion rate 768kHz / 32 bit & DSD 256
768kHz / 32 bit & DSD 256
DAC configuration
Fully symmetrical / 2 x 4497EQ AKM-Japan
DSP module (option)
Tube complement
2x 6H30 – 2x 5687
Dynamic range
> 120dB
Output level @1 kHz  / 0,775V -0dB
Low 2.5V fixed or 0 – 2.5 V rms variable
Output level @1 kHz  / 0,775V -0dB
High 5V fixed or 0 – 5V rms variable
Output impedance 
Single-Ended-RCA ~ 300 Ω
Output impedance 
Balanced-XLR ~ 300 Ω
Digital output
Digital input
75 Ω S/PDIF (RCA), USB, I2S, BNC, AES/EBU,  3 x BNC for DSD
S/N ratio
> 119 dB
Frequency response  20Hz – 50kHz 
+/- 0.3dB
Total harmonic distortion @ 1kHz
< 0.001%
Remote control
Output complement  
Dimension (WxDxH) cm
48 x 39 x 12 cm

Full-featured Tube Top Loader CD-Player
Pure Class A triode vacuum-tube output stage for single-ended & balanced operation Signal Path We believe that the simplest circuits work best together with the shortest signal path. That is why our pre-amplifiers to date have used single-ended Pure Class A circuitry. The shorter the signal path, 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

• Warm up function
• 0dB negative feedback (of any kind )
• Ultra short signal path
• Simplest direct circuit path for purest musical sound and highest reliability
• Low output impedance for driving long runs – interconnect to an amplifier, tube or solid
state power amplifier
• No solid state devices in the analog tube output (signal path )
• Minimal discrete wiring for optimum signal propagation
• No followers or buffers in the signal path
• No DC servo that degrades the signal
• Highest quality parts throughout
• Fully hand assembled to insure the highest level of craftsmanship
• Separate analog output stage for left and right channel
• The volume is controlled 100% in the analogue domain
• DAC digital input – S/PDIF (RCA) , AES/EBU (XLR), I2S, BNC, USB, 3 x BNC for DSD;
• Digital output – S/PDIF (RCA)
• Ultra-low jitter internal clock generator

Power Supply
The power supplies have been further refined with new components and enhanced AC line noise
filtration. Separate power transformer windings and filters provide total isolation between the
input and output stage which makes this a pure power source and it is a critical attribute for a
6H30/5687 output stage. 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.

• 2 separate R-Core / Low noise – insulated power transformer for digital & analog
• Innovative power supply provides a high speed energy delivery on transients
• Separate and isolated power supplies over each stage of amplification
• Tube rectification for 6H30/5687 analog output stage
• Choke filtering for 6H30/5687
• Regulated DC filament supplies with soft start for 6H30/5687
• AC power line filter to avoid noise and hash from entering into the unit
• 10 separate voltage regulators

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 masses.

• Selected, premium quality passive components used in all applications
• High speed & high quality audiophile grade coupling capacitors
• High quality special tube sockets with gold pins
• Superior capacitors
• High quality – RCA & XLR jack
• Gold-plated industrial grade PCB

Mechanical Construction
The high grade aluminum chassis imparts a richer, more lustrous tonality with a cleaner background
and less hash and grain. All brushed anodized anti-vibration-reson

SACD – DAC – Streamer – Pre-amplifier – Volume Control 100% Analog Domain – Vacuum Tube
The Ayon CD-35 HF establishes a new benchmark in SE-Triode vacuum-tube CD/SACD-Player performance by combining a fully balanced PCM-DSD DAC.  The CD-35 HF is also prepared for computer playback and general DSD professional audio use. The CD-35 HF is in many respects a new ground-breaking CD/SACD/DAC Player design with an advanced technology like a new vacuum tube output stage, new magnetic clamp system with separate CD-LID, new DAC design and a switchable PCM-DSD converter (DSP module).  Based on a zero-feedback, pure tube circuit design and a tube rectified power supply, the CD-35 HF reveals the manifold layers of music with utmost transparency while projecting a deep and highly focused 3D soundstage. Sonic signature, that of Studio Master Tape Recording Playback!

The bass is extended and powerful, its midrange pure, liquid and permeated with natural warmth, while the top is extraordinarily clean and finely detailed. This Reference CD/SACD/DAC Player offers an uncompromising quality level in every aspect. The CD-35 HF is one of the most exciting CD/SACD/DAC Player with vacuum-tube output stage and the best sounding CD/SACD/DAC Player that Ayon Audio ever built.

Some additional features

V-cap TFTF coupling capacitors;
Franc Audio – Ceramic Feet;
WBT-210 NextGen RCA Jacks;
Tantalum 2-Watt resistors for tube output-stage;
AKM 4497EQ for DAC section;
Black Finish for cooling slots, Top plate buttons, CD-LID and CD-inside housing;
All important components are matched at 1% level;

Limited at 50 pieces in total and a max. of 2 pcs. per month are built


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Thank you for contacting The Hi-Fi Gallery. We will respond to your enquiry as soon as possible.