B2audio Quattro Owner's Manual - page 4
INPUT
Signal input from the head unit. A minimum level
input of 0.2V is essential for correct operation.
POWER & PROTECTION INDICATOR
Power LED, Blue-lit shows correct operation.
Protect LED, Red-lit shows general malfunction,
faulty connection or thermal protection.
GAIN (6V ~ 0.2V)
Matching of the output voltage from the head unit’s
RCA line-outs to the input section.
SUBSONIC (10Hz ~ 100Hz)
Adjusts the subsonic cut off point to eliminate
frequencies within the filter’s range.
If used with HIGH PASS, this will create a
Band Pass crossover.
LOW PASS FILTER MULITPLIER (x 1, x 20)
Multiplies the crossover range by x 1 or x 20.
The range in x 20 mode is 1KHz ~5KHz.
LPF/FULL/HPF SELECTOR
REMOTE
Connection of external level control (channel 3 & 4)
SUBSONIC (10Hz ~100Hz)
Adjusts the subsonic cut off point to eliminate
frequencies within the filter’s range.
LOW PASS FILTER (50Hz ~250Hz)
Adjusts the cut off point of the LPF at the frequency
selected.
Crossover mode selector for channel 3 & 4
HIGH PASS FILTER (50Hz ~1KHz)
Adjusts the cut off point of the HPF at the frequency
selected.
BASS BOOST
Variable bass boost with 0 ~ 12dB @ 35Hz ~ 120Hz.
4
2. Panel layout
BASS BOOST
Variable bass boost with 0 ~ 12dB @ 35Hz ~ 120Hz.
OUTPUT
Signal output routed from the amplifiers input.
HIGH PASS FILTER (50Hz ~ 250Hz)
Adjusts the cut off point of the HPF at the frequency
selected.
HIGH PASS FILTER MULTIPLIER (x 1, x 20)
Multiplies the crossover range by x 1 or x 20.
The range in x 20 mode is 1KHz ~ 5KHz.
HPF/FULL/LPF SELECTOR
Crossover mode selector for channel 1 & 2
LOW PASS FILTER (30Hz ~ 250Hz)
Adjusts the cut off point of the LPF at the frequency
selected.
Quattro