Crunch GTR2000D - GTR1100.2 2-Channel Amplifier Applications; Stereo High Pass with Mono Low Pass

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GTR1100.2 2-CHANNEL AMPLIFIER APPLICATIONS

Stereo high pass with mono low-pass in a 2 way active, or bi-amplified system

Crossover frequency control checklist:

In this application we will use a 2 channel amplifier for the high frequencies, and a second

Highs amplifier:

one for the low frequencies, or mono sub bass. Please consult the speaker specifications

- HI PASS: 100 Hz

to determine maximum amplifier power requirements.

- LOW PASS: N/A

Interconnect cable checklist:

Connect the inputs of the HIGHS amplifier to a Radio/CD with good quality RCA cables.

Lows amplifier:

Connect the LINE OUT of the HIGHS amplifier to the inputs of the BASS amplifier with a

- HPF (Subsonic filter): 10 Hz to 40 Hz

stereo RCA to RCA cable.

- LPF: 80 Hz

Mono bass woofer wiring:

Please note that these frequency points are suggestions only. Refer to the loudspeaker

Connect the mono speaker positive terminal to the RIGHT +, and its negative terminal to

manufacturer specifications and the section “Setting up systems after installation for best

LEFT -.

performance”

Switch setting checklist:

Level control checklist:

- Highs amplifier: X-OVER switch in the HPF position.

- Refer to the section “Setting up systems after installation for best performance”

- Lows amplifier: X-OVER switch in the LPF position.

Minimum final loudspeaker impedances:

- 2-Ohms per channel stereo.

- 4-Ohms mono bridged.

STEREO

INTERCONNECT

RCA CABLE

REMOTE TURN-ON

CHASSIS GROUND

TO BATTERY + 12 volts VIA FUSE

POWER INPUT

SPEAKER OUTPUT

BRIDGED

- LEFT + - RIGHT +

FUSE

GND REM +12V

FULL RANGE

SPEAKERS

LINE OUT LINE INPUT

R R

L L

0dB 9dB 30Hz 250Hz 60Hz 1.2KHz 6V 0.2V

BASS EQ LPF HPF LEVEL

X-OVER

HPF LPF FULL

REMOTE

CONTROL