VM Audio SRA2200.1 Specifications download pdf (Page 10)

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CALIBRATION

Setting Gain

1. Turn the gain and bass control all the way

down (counterclockwise).

2. Turn the vehicle on, and make sure the source

unit is turned on.

3. Insert a CD/DVD with undistorted music.

4. Start to increase the volume at the source unit

until you hear distortion (aproximately at 90%).

5. Turn the volume down at the source unit until

the distortion goes away.

6. At the amplier, slowly turn the Gain control

up (clockwise) until you hear a slight audio

distortion.

7. Turn the Gain control back down until the audio

distortion goes away.

8. When the Gain control is properly set, you

should be able to achieve the maximum

undistorted output with the volume turned all

the way up.

Warning!

Do not set the amplier’s gain very high as noise,

distortion and amplier heat will increase signicantly

and amplier failure could occur.

If Bass Boost is used, keep the Gain setting down.

CONTROLS

Description

Gain: This feature controls the audio input

signal strength going into the amplier.

Bass Boost: Increases the bass level from

+1dB up to +18dB.

LPF Frequency: Low pass crossover

frequency lter adjustment.

REMOTE: Gain knob cable input plug to

conveniently adjust the bass boost strength.

Power LED: Power and protection amplier

status indicator.

Input: Line level audio inputs.

Output: Line level audio outputs.

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VM Audio SRA2200.1 Specifications Page 10