Details:

No feedback MM / MC Phono amplifier

PCB size: 121 x 146mm

Tube model: 12AX7 *4 +12AU7 *2

Work voltage :DC250V @ 50MA + DC12.6V / DC6.3V
connect pin 4 and pin 5,pls use DC12.6V
short pin 4 pin 5 ,connect pin 9,pls use DC6.3V

Reference to the sanshui high-level MM / MC Phono amplifier circuit.

RC attenuating circuit, three-stage SRPP amplification, reference landscape and Sanrong wireless circuit

Sound features: real, vivid and warm, good sense of the scene

Note:

Diy Kit:all parts need buyer to solder it !(Not included tubes )

Assembled Board:have tested it well ! (Not included tubes )

Image 01 - HiFi No Feedback MM / MC 12AX7+12AU7 Phono Amp Board Refer Sansui Phono Circuit

Image 2 - HiFi No Feedback MM / MC 12AX7+12AU7 Phono Amp Board Refer Sansui Phono Circuit

Image 4 - HiFi No Feedback MM / MC 12AX7+12AU7 Phono Amp Board Refer Sansui Phono Circuit

Image 5 - HiFi No Feedback MM / MC 12AX7+12AU7 Phono Amp Board Refer Sansui Phono Circuit

Image 6 - HiFi No Feedback MM / MC 12AX7+12AU7 Phono Amp Board Refer Sansui Phono Circuit