Front and Rear Q Controls, Rear RCA Inputs

Control Functions (cont.)

5 FRONT and REAR “Q” Controls

“Q” Control is active when the highpass crossover is engaged and is centered on the selected crossover point. The range of operation is 0.7–1.2.

+1.6dB

0dB

-3dB

.707 .95 1.2

t (tuned crossover frequency)

6 REAR RCA Inputs

RCA cables marked “REAR” from head unit or other line level device should be connected here. Use both inputs (L & R) for stereo.

7 REAR Input Switch

In the left (STEREO L-R) position, the L & R inputs go to the REAR L & R channels of the ampliﬁer. In the right (FRONT L-R) position, the inputs are derived from the FRONT channels and sent to the REAR L & R channels of the ampliﬁer.

STEREO

FRONT

REAR INPUT

8 SUBWOOFER RCA Inputs

RCA cables marked “subwoofer” from head unit or other line level device should be connected here. Use both inputs (L & R) for dual subwoofer output from head unit. Use left (L) input only when single subwoofer output is to be connected.

9 Lowpass Slope and Crossover Controls

Select appropriate crossover slope of 12 or 24dB/octave by moving

OFFON

LOWPASS

LOWPASS SLOPE switch. Lowpass crossover frequencies are	SUBWOOFER LEVEL
LOWPASS SLOPE switch. Lowpass crossover frequencies are
adjustable from 50Hz to 350Hz by rotary control.

OFF 12dB 24dB

3 5 0

2 0 0

5 0

10SUBWOOFER Mode Switch

Move switch to left position (MONO L-R) when used with L & R subwoofer RCA outputs. Move switch to middle position (L-MONO) when used with single sub- woofer RCA outputs. Move switch to right position (NON-FADING MONO) when subwoofer signal is to be derived from front and rear channels.

MONO

L MONO

NON - FADING

MONO