YAQIN SD-33A, een flinke upgrade van de toch al erg goed presterende SD-35A: er is gebruik gemaakt van een andere DA chip, er zijn gebalanceerde uitgangen aangebracht en intern is er het e.e.a. veranderd en gemodificeerd.



·     It adopts SANYO high precision chips in Japan and is of excellent stability and CD recognition.

·     Servo circuit adopts Philips SAA7824 chips.

·     It adopts PCM1794U chips produced by BB

·     It adopts high-quality multilayer filter circuit and can validly clear digital signal, to bring you music signal output of high fidelity.

·     It adopts two 6N8P amplifier circuits with excellent acoustics and strong driving force together with high fidelity operational amplifier output. The two pair are alternative.

·     it adopts coaxial digital signal output (Can connect with audio decoder)

·     The auto circuit is manufactured by Philip (MKP) no polar capacitor, popular audio special electrolysis as filtering and metal resistance of high precision.

·     Power transformer is made of silicon steel sheet (0.35mm) special for audio frequency, and oxygen-free enameled copper wire of high tension in special wiring process. So the machine is with less electromagnetic interference, strong driving force and transparent, powerful acoustics.


Input Power: 110V-240V 
Vacuum Tube:  6N8P x 2 (Voltage amplifier)
Audio Output Signal: Balance 4V (±0.5dB)

 Signal 2V (±0.5dB)
Freq Response: 10Hz - 35kHz (±0.5dB)
Signal Noise Ratio: ≥110dB (A)
  Distortion: ≤0.005%
Dynamic Range: ≥117 dB
 Digital Output: Coaxial 1 group
 Analog Output  

 Balance 1 Group, Unbalance 1 Group


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