There is NO OP amp or IC in this circuit, which introduce unexpected distortion to the sound.
Parameters
In Put Power: DC24V
Input Sensitivity: 100mV
Input Impedance: 100KOhm
Out-Put Impedance: 20~600 Ohm
Gain: 30dB
Frequency response: 10Hz-60KHz +/- 0.25dB
Signal/Noise Ratio: >90dB
Dynamic range: 84.6dBA(300 ohm) 89.8dBA(33 ohm)
THD: 0.016%(300 ohm) 0.45%(33 ohm)
IMD + Noise: 0.045(300 ohm) 0.42(33ohm)
Dimension:79 X 79 X 44mm (D W H) not measure to tube and transformer
Shipping Weight: 600 g
Package:
Bravo V1 Head-Amp 1
Power cable with AC wall plug 1
Brand new Electro-Harmonix 6922 tube 1
6.3mm to 3.5mm Gold coat earphone Jack adapter 1
Switching Power Supply Universal AC 100V-240V / 50~60Hz to 24V DC 1A out put * 1
(Auto-Detect International Compatible)
