| Parameter | Value | |-----------|-------| | Channels | 4 | | RMS power @ 4Ω | 4 x 30W | | RMS power @ 2Ω | 4 x 45W | | Bridged RMS (4Ω) | 2 x 90W | | Max power (PMPO) | 4 x 120W | | Frequency response | 10 Hz – 40 kHz | | THD | <0.1% | | S/N ratio | >90 dB | | Input sensitivity | 200 mV – 4 V | | Crossover | HPF (80–120 Hz) / Full | | Bass boost | 0/+6 dB (45 Hz) | | Fuse | 20A (inline) |
This original documentation provides crucial information for installation and maintenance, including: blaupunkt quadro amplifier bqa 120 manual new
No power light, but the amp works. Fix: The original green LED is fragile. No need to panic. If the amp powers speakers, the bulb is simply dead. You can replace it with a standard 3mm LED (220-ohm resistor in series) – a mod not mentioned in the 1991 manual. | Parameter | Value | |-----------|-------| | Channels