Saturday 23 October, 2021

YAQIN SD-CD2 6J1 Tube Singal Buffer Processor CD DVD Player Upgr

This product was added to our catalog on Friday 25 October, 2013.


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This processor employs cathode followers to improve your audio system. It outputs the same voltage as it receives. The voltage gain approaches one. It also adds tube audio quality to digital audio, reduces work load of a receiver (or an amplifier), and makes speakers sound warmer and more finer.

This processor can be connected in various configurations. It is to be installed between an audio source and a receiver (or an amplifer). The audio sources can be a solid state CD/DVD player, MP3 player, iPod, electric guitar, or computer audio output.


1.The power transformers manufactured with silicon steel sheet and high-quality oxygen-free enameled copper wire;

2.100% three dimensional hand wiring. No circuit board;

3.Utilizes the audiophile capacitors and high quality metal precision resistors dedicated for audio frequency;

4.Beautiful aluminum panel with logo window and steel heavy duty chassis.


Tubes: 6J1 × 2 (Cathode followers,it can be replaced with EF95, 6AK5, and 5654)

Output Jacks: Two channels with two gold plated RCA jacks

Input Sensitivity: 0.55V (As output is 0.5V)

Input Jacks: Two channels with two gold plated RCA jacks

Distortion of Harmonic Wave: ≤0.15%(1KHz input)

Signal to Noise Ratio: >75 dB

Crosstalk Separation: >75 dB

Frequency Response: 5Hz ~ 50KHz (-1.0dB)

Supply Voltage: AC115V, 60Hz

Dimension: 18cm(W) x 12cm(D) x 13cm(H)

Shipping Weight: 2.1kg (4.6lb)

Shipping Dimension: 25cm x 23cm x 19cm


YAQIN SD-CD2 6J1 Processor

6J1Tubes x2

Power Cable

User Manual

  • Model: YAQIN-SDCD2
  • Shipping Weight: 3kg
  • Manufactured by: YAQIN