Yorkville Sound YS1003 owner manual Block Diagram for YCV50, EL34

		MODEL TYPE: YS1003
Block Diagram for YCV50			SPLITTER	PREAMP
DESIGNED AND MANUFACTURED BY YORKVILLE SOUND
			12AX7	12AX7		12AX7
			V3	V2		V1
			DISCONNECT POWER WHEN		POWER
		EQ	REPLACING TUBES		EL34	EL34
			DÉBRANCHÉ L’APPAREIL AVANT
	Boost
Mono		Treble/Bass/Mid	DE REMPLACER LES LAMPES		V5	V4
1/4-inch	Preamp	Ch. 2
		Volume
	V1:A
			Preamp
0 dB			V2:A

Input

		Pre-Amp
Channel	Channel		Out
Select	Select

K1 EQ K1

		Treble/Bass/Mid
Preamp	Preamp	Ch. 1
		Volume
V1:B	V2:B

Amp In

Reverb	Reverb
Drive
U2	Accutronics ©
	U1
B	B
	4EBC1B

Reverb

Rtn

Channel Select

Boost

Power

Amp +

Splitter	V4
V3	V5	-

Master

Volume

External

Speaker Out

	12-inch Speaker
External	YS#7081
	8-ohms -
Speaker Out

+

Footswitch

BLOCK-DIAG-ycv50-1v20.ai