2 channel tube car audio preamplifier CIRCUIT TOPOLOGY: pure A class GAIN: 1,2dBV to 10dBV variable OUTPUT IMPEDANCE: <250 Ohm | MAX VOLTAGE OUT: 12Vrms FREQUENCY RESPONSE: 4Hz - 250KHz (- 3dB) THD + N: < 1% Rapp. S/N: > 97dB @ 5V/10KOhm | INPUTS: 2 stereo channel switchable VOLTAGE OPERATION: 11 to 16 Volt FUSE: 1 x 4A CURRENT DRAW: Max @ 13,8V: 3A Musical average @ 13,8V: 1,2A |