Altec Lansing 1662A manual Block Diagram

Operating Manual -1662A Mic/Line Mixer

12. 1662A Block Diagram

Input Channels 1-4

Mic Gain

+20 +40 +60

Input

Clip

Indicator

Output Meters

Mic	Mic
Input	Preamp

-20dB

Pad

Insert

Point

	Channel
EQ	Level
	+12dB max
	0dB Mid
Bass Treble	Level

Output Assign

A

A+B

B

Output A

Output 5 Level

+12dB max +1.6dB Mid

Level

Output B

Servo- +

Balanced -

Output G

Output

Meters

Input Channels 5-6

Mic Gain

+20 +40 +60

Input

Clip

Indicator

Output 5 Level

+12dB max +1.6dB Mid

Level

Servo- +

Balanced -

Output G

Mic	Mic
Input	Preamp

-20dB

Pad

Insert

Point

R

Sum

Input L

Channel

EQ Level

+12dB max 0dB Mid

Bass Treble Level

5

Output Assign

A

A+B

B

Phantom	+48V To All
Power	Mic Inputs

10