INPUT
Connect preamp signal cables from
the headunit to RCA Input of
Ref 0.5
.
OUTPUT
Output RCA for signal routing to another amplifier.
POWER & PROTECTION INDICATOR
Power BLUE, Green-lit shows correct operation
Protect LED, RED-lit shows general malfunction,
faulty connection or thermal protection
GAIN ( 6V ~ 0.2V )
Matching the output voltage of the headunit's
RCA line-outs to
Ref 0.5
input section.
SUBSONIC FILTER ( 10Hz ~ 50Hz @ 24dB/Oct )
Adjusts the subsonic cut off point to eliminate low
frequencies.
BASS BOOST
Variable bass boost from 0-9 dB @ 45 Hz
REMOTE LEVEL CONTROL PORT
Connection of external level control.
LOW PASS FILTER ( 35Hz ~ 250Hz @ 24dB/Oct )
Adjusts the cut off point for the low pass filter.
PHASE CONTROL
Variable phase adjustment from 0-180 degrees.
OUTPUT MASTER / INPUT SLAVE
For daisy chain connection of 2
Ref 0.5
amplifiers
down to 2 ohms.
3. CONTROL & CONNECTION
3-1.
Ref 0.5
CONTROL & CONNECTION
3-2.
Quattro
CONTROL & CONNECTION
INPUT
Connect preamp signal cables from
the headunit to RCA Input of
Anno.
GAIN ( 6V ~ 0.2V )
Matching the output voltage of the headunit's
RCA line-outs to
Anno
input section.
HIGH PASS FILTER ( 15Hz ~ 400Hz @ 24dB/Oct )
Adjusts the cut off point for the high pass filter.
The wide frequency range allows for "Active" speaker
operation.
X1, X10 ( HIGH PASS FILTER MULTIPLY )
It makes High pass filter frequency range 150Hz to
4KHz
HIGH PASS FILTER SELECTOR ( ON-OFF )
It selects ON - OFF for high pass filter activity
It sets ON, High pass filter is active
But It sets OFF, High pass filter is not avtive
LOW PASS FILTER ( 40Hz ~ 400Hz @ 24dB/Oct )
Adjusts the cut off point for the low pass filter.
X1, X10 ( LOW PASS FILTER MULTIPLY )
It makes High pass filter frequency range 400Hz to 4KHz
LOW PASS FILTER SELECTOR ( ON-OFF )
It selects ON - OFF for Low pass filter activity
It sets ON, Low pass filter is active
But It sets OFF, Low pass filter is not avtive
