Description
Finished Machine 6N2 FM30 Vacuum Tube Amplifier 4W*2 Power Amplifier Dual Channel Earphone Amp Product details Input: one RCA input Output: rear power amplifier interface output impedance 4 ohms 8 ohms Two sets of interfaces 4w+4w Front 6.35mm standard headphone output jack 32-600 ohms Frequency response: 26-38KHz ±2db Output signal noise: >118dB "A"- wtd Output total harmonic distortion: <0.008% 10Hz to 20kHz Headphone output peak value: about 1w (corresponding power, please calculate the corresponding headphone impedance) Size: size 29.5*17.5*15cm including the height of the tube Manual scaffold welding, no circuit diagram provided