Boston Acoustics GT-28, GT-24 manual Control Functions, RCA Inputs, Remote Input, Input Switch

Control Functions

3

9

7

6

5

STEREO

MONO

OFF

ON

OFF

ON

OFF

ON

FUSE 4 x 25A

INPUT

L

SUBWOOFER LEVEL

LOWPASS SLOPE

LOWPASS

HIGHPASS

12dB

12dB 24dB

350

350

ST

MONO

200

Hz

185

Hz

50

20

MONO

0.2

1.2

L

R

B+

B+

GND

GND

INPUT SENSITIVITY

2.6

0.95

Q/HP

I NPUT

REMOTE

SUBWOOFER LEVEL

5

0.7

SPEAKER OUTPUT

12.6–14.4VDC

GROUND

4

8

GT-28 Top Panel Shown

1
	STATUS	MONO	12.6–14.4VDC		GROUND
9			B+	B+	GND	GND
		L	R
	ON	10
	SAFE
2

GT-28 Front Panel Shown

1 RCA Inputs	1
RCA cables from head unit or from other line level device should be connected
here. Use both inputs (L and R) for stereo; use “L” input for mono.	2

2 Remote Input

Use the supplied FEMALE quick-connector to connect the REMOTE trigger lead from the head unit to the amplifier. Amplifier turns “ON” when head unit is turned “ON.” One FEMALE .210" connector is supplied with amplifier.

3 Input Switch

STEREO

MONO

INPUT L

In the left position, the L and R inputs go to the L and R channels of the amplifi- er. In the right position, the input is for mono operation.

4 Input Sensitivity Control

Turn control clockwise to increase the amplifier sensitivity to incoming signals. Turn

control counterclockwise to decrease the amplifier sensitivity.

5 Highpass Crossover Controls

To use 12dB/octave crossover, move HIGHPASS switch to right-hand position. Highpass crossover frequency is adjustable from 20Hz to 350Hz by rotary control. (Moving switch to left-hand position will bypass crossover functions.)

0.2

INPUT SENSITIVITY 2.6

5

OFF	ON
	HIGHPASS
	350
185	Hz

20

4