Keces Audio

KeyComponents | Elegant Design | Cutting-edge Technology | Excellent acoustics | Superb quality

The KECES, founded in 2002, has been striving to remove the
ambient noise from audio, and to make you enjoy the pure and crystal-clear sound quality, just like live performance.
We hope the KECES audio, through its exquisite tunes and moving rhythm, can feast your ears, relax your mind, and soothe your soul. KECES stands for our ultimate achievement in our pursuit of perfection. Over a decade, KECES tirelessly innovates the most
cutting-edge technology; has crucial know-how to produce key components to ensure the superb quality of product.
In our philosophy, KECES not only strives for excellent acoustics, but also elegant design.

Superior Series

High Quality Toroidal Power Transformer
High-performance DAC-ESS ES9026PRO.
USB DAC: PCM 32 bit/384kHz and DSD DSD64(DoP)/DSD128 (DoP) DSD64/DSD128/DSD256 (ASIO Native).      
COAXIAL/OPTICAL DAC: PCM 24 bit/192kHz and DSD DSD64(DoP).
Placed Balanced/Unbalanced Headphone output: Max Output Power 2000mW + 2000mW@32ohms.
Placed RCA/XLR Input/Output interface: Could be a Preamplifier.
Volume Control System: 128 step attenuator. Accurate control volume to achieve left/right channel balanced.
Isolation circuit: Completely separates the grounding of the digital and analog sections.
Volume/Source/Sampling display using OLED has excellent visibility.
The 4mm thickness of the aluminum chassis to effective to blocks EMI/RFI interference.
The full-metal body realizes both vibration control and elegant style in an A4-size body.

Feature Set -

2 OZ Copper PCB for Power Layer, Ground Layer and Signal Layer to get high damping factor and get more sound quality.
130 watts x2 @ 8 ohm continuous output power / Maximum output power 240 watts x2 @ 8 ohm
225 watts x2 @ 4 ohm continuous output power / Maximum output power 300 watts x2 @ 4 ohm
410 watts x1 @ 8 ohm in bridge mode
High bias Class A/AB operation
5 watts per channel of pure Class A power at high bias setting
45 amperes peak current per channel
Stable with speaker impedance dips below 2 Ω
Operation model selection: Stereo, Bi-Amp, Bridged
Dual-mono design
Direct-coupled signal path, no capacitors or inductors
DC Servo and relay protection circuits
JFET input stage, MOSFET driver stage
1.2 kVA toroid power transformer with independent secondary windings for each channel
Independent power supplies for left & right channel input stages, driver. stages, output stages
65,600 µF Rubycon filter capacitors for output stages
Automatic turn-on by 12 V trigger
Neutrik locking XLR input connectors
Heavy-duty 24K gold-plated RCA input jacks
Heavy-duty 24k gold-plated 5-way speaker binding posts
AC turn-on inrush surge protection
Overload/Over Temperature Protection
The 4mm thickness of the aluminum chassis to effective to blocks EMI/RFI interference

Power by High Quality Linear Power Supply (Ephono Power).
Balanced and unbalanced outputs.
Variable MC impedance adjustment of 56/100/220 ohms and MM 47k ohm.
Gain select for 40dB/46dB/52dB MM and 60dB/66dB/72dB MC.
RIAA accurate to within 0.2dB.
Ephono Power have Over Temperature Protection (OTP).
The 3mm thickness of the aluminum chassis to effective to blocks EMI/RFI interference.

Frequency Response: 20-20Khz
THD: MM <0.004%, MC <0.03%.
S/N Ratio: MM 86dB A-weighted, MC 78dB A-weighted.
Input Impedance: MM 47k ohm, MC variable 56/100/22 ohm.
Input Capacitance:100PF
Gain: 40dB/46dB/52dB for MM, 60dB/66dB/72dB for MC.
Power In: DC 24V (Power by Ephono Power)
Power Consumption: 5W
Casing:4mm Aluminum
Dimension (WxDxH): 220x220x66mm
Weight: 2G
AC Input Voltage: 110V-120V, 60Hz / 220V-240V, 50Hz (Switchable)
DC output Voltage: 24V/2A
Power Consumption: 60 Watts
Casing: 3mm Aluminum
Dimension (WxDxH): 220x220x66mm
Weight: 3KG

50 watts per channel @ 8 Ohm, 65 watts per channel @ 4ohm.
Power Bandwidth: 5Hz – 100kHz.
Asynchronous USB 2.0 supports PCM up to 48kHz/16-bit.
Phono input for MM with 47k ohm.
S/N R 110dB A-Weighting.
S/N R for Phono MM 82dB A-Weighting.
2 pairs RCA line level Analog inputs.
Preamp output for adding a subwoofer.
Favorite volume memory with remote control button.
Superb sounding headphone jack.
The 3mm thickness of the aluminum chassis to effective to blocks EMI/RFI interference.
The full-metal body realizes both vibration control and elegant style in an half-size body that enables placement on a desktop to be a PC HIFI system or to be a small stereo system.

Linear Power Supply Series

High Quality Toroidal Transformer provide pure power.
Separate ground for each output rail.
Ultra low ripple noise.
No humming or buzz noise for 50Hz and peak load.
OLED display currently output voltage and currently output ampere.
USB Type A 5V output
Dual output with USB output provide 4A for each with 1A USB output.
Single output with USB output provide 8A with 1A USB output.
Over Voltage Protection (OVP).
Over Current Protection (OCP).
Under Voltage Protection (UVP).
Over Temperature Protection (OTP).
The 4mm thickness of the aluminum chassis to effective to blocks EMI/RFI interference.

Dual Output Version
1. 5V/7V/9V + 12V/15V/16V
2. 12V/15V/16V + 12V/15V/16V

DC Connector: 2.5mm Barrel.
AC Input Voltage: 110V-120V, 60Hz / 220V-240V, 50Hz (Switchable).
Power Consumption: 120Watts (Full Load Output)
Casing: 3mm Aluminum
Dimension (WxDxH): 220x220x66mm
Weight: 3.5KG
USB Output provide DC 5V @1A. Directly power DC5V based USB DAC.

High Quality Toroidal Transformer provide pure power.
Separate ground for each output rail.
Ultra low ripple noise.
No humming or buzz noise for 50Hz and peak load.
Newly designed the Circuit that do not use any ICs. It is truly Analog design.
Dual output provide 3A for each.
Over Temperature Protection (OTP).

Output Voltage and Current

Zone I: 5V/7V/9V/12V, 3A.
Zone II: 12V/15V/19V/24V, 3A.

Ripple Noise

<220uV at full power
<150uV at 60 watts

Power Requirment

Maximum: 150 Watts

Casing

All Aluminum

Dimension (WxDxH)

220x220x66mm

Weight

Net Weight 3KG
Shipping Weight 4KG

• High Quality Toroidal Transformer provide pure power.

• Separate ground for each output rail.

• Ultra low ripple noise.

• No humming or buzz noise for 50Hz and peak load.

• Newly designed the Circuit that do not use any ICs. It is truly Analog design.

• Quantum Resonance technology "that provides a subtle field that makes all electromechanical components resonate in unison to improve
      coherence and timing."

• There are 6 zone and each zone are separated.

• USB Isolator for audiophile grade systems. PCM support up to 24Bit/96kHz. DSD support to DSD64.

• New in-house Audio Grade foot cone.

• Output Voltage and Current

  1. Zone I: 5V/7V/9V/12V, 4A.
     Zone II: 12V/15V/19V/24V, 4A.
     Zone III: 12V/15V/19V/24V, 6A.
     Zone IV: 12V/15V, 10A.
     Zone V: 5V/9V, 2A.
     Zone VI: USB 5V, 2A.

  2. Ripple Noise

  3. <100uV at full power
     <10uV at 60% load

  4. Casing

  5. All Aluminum

  Dimension (WxDxH)

• 300x279x133mm

  Weight

• Net Weight 14KG

• Shipping Weight 15KG
  

ULTIMATE Series - Isolated Quantum Resonance Power Conditioner

Newly designed the Isolated Power Transformer that separate each output channel for the different power products.
Quantum Resonance technology "that provides a subtle field that makes all electromechanical components resonate in unison to improve
    coherence and timing."
New in-house Audio Grade sockets.
New in-house Audio Grade foot cone.

Output Voltage and Current

1. Zone I: 220V-250V support max 0.83A (200VA).
       110V-125V support max 1.66A (200VA).

Zone II: 220V-250V support max 2.5A (600VA).

    110V-125V support max 5A (600VA).Typical Output THD

< 0.3%

Output Impedance

< 0.008 ohm

Casing

All Aluminum

Dimension (WxDxH)

300x279x66mm

Weight

Net Weight 7.5KG
Shipping Weight 9.5KG

Newly designed the Isolated Power Transformer that separate each output channel for the different power products.
Quantum Resonance technology "that provides a subtle field that makes all electromechanical components resonate in unison to improve
    coherence and timing."
New in-house Audio Grade sockets.
New in-house Audio Grade foot cone.

Output Voltage and Current

1. Zone I: 220V-250V support max 1.25A (300VA).
       110V-125V support max 2.5A (300VA).

Zone II: 220V-250V support max 5A (1200VA).

    110V-125V support max 10A (1200VA).Typical Output THD

< 0.3%

Output Impedance

< 0.008 ohm

Casing

All Aluminum

Dimension (WxDxH)

300x279x133mm

Weight

Net Weight 14.5KG
Shipping Weight 16.5KG