● 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)