● Adopt twin FET input tube

● Use the original Texas Instruments NE5532 as the pre-amplifier and DC SERVER circuit.

● The output power tube adopts the original KEC KTB817, KTD1047 pair of tubes.

 

Parameter:

Input voltage: DC +/- 25V to +/- 55V

Output power: MAX 150W 8R

Voltage gain: 90

Frequency response: 20Hz -0.05DB, 20KHz -0.15DB.

THD+N: <0.02% 50W 8R

 

NOTE: We have DIY kit or Finished board (Optional)

 
◆ DIY kit ---- All parts need you to solder and test it.
 
◆ Finished board ---- All parts have been welded and tested OK.