Crest Audio CA2, CA18, CA9, CA6, CA12, CA4 owner manual Appendix B CA Block Diagram, Channel a

Appendix B - CA Block Diagram

		R
		T					CHANNEL A
		+ NON-INVERTED					PREAMP
2								ATTENUATOR
		2 / 3					†		OUTPUT STAGE
	3
		- INVERTED
1		PIN 2 / 3 +		A	A
		JUMPER
				-	+					OUTPUT RELAY
		(REAR PANEL SWITCH						AMP FRONT END
		ON CA18)
							† PREAMP INCORPORATES INPUT
				BRIDGED
							SENSITIVITY/VOLTAGE GAIN JUMPER
					-		(REAR PANEL SWITCH ON CA18)
				PARALLEL		+
					-		†	ATTENUATOR	OUTPUT STAGE
					STEREO	-
		R
					SWITCH
		T					PREAMP
							CHANNEL B	AMP FRONT END		OUTPUT RELAY
		B	NON-INVERTED
2		+
		2 / 3
	3
		B
1		-	INVERTED
		PIN 2 / 3 +
		JUMPER
		(REAR PANEL SWITCH
		ON CA18)

Crest Audio CA Series Power Amplifiers	Appendix B
Models CA2, CA4, CA6, CA9, CA12, CA18