Traynor Keymaster K4 - Block Diagram Analysis; Channel 1 Signal Flow; Channels 2 & 3 Signal Flow; Master and Output Signal Paths

Input 1 Input 2 Input 2
Channel 1 Channel 2
Footswitch
Front Panel
Drive Switch
Channel 3
Block Diagram for Keymaster K4
DESIGNED & MANUFACTURED BY YORKVILLE SOUND
EQ
Bass/Mid/Hi Bass/Mid/Hi
L R
L
L
R
L
R
L
L
R
R L R
Input 2
RCA
Input
In L/Mono
Tube
Gain
Tube/Solid State
Switch
Solid State
Tube
Solid State
In R
CLIP 1
CLIP 2
CLIP 1
CLIP 2
CLIP 3
CLIP 3
Line Out L
L Bus
GND Lift
R Bus
Gain
Master L
Master R
HP
L Tweeter
Woofer
R Tweeter L Mid R Mid
HP
L Amp
LF Amp
R Amp
Ch 4 Gain L Ch 4 Gain L
Gain L
Gain R
1 2 3 4 5
EQ
EQ L EQ R
Voicing Select R
Voicing Select L
1 2 3 4 5
L Bus
R Bus
L Bus
R Bus
Channel 4 (Monitor Channel)
Sub Out
Headphone
T=Left/R=Right/S=Gnd
Solid State
Tube Gain Trim L
R
Line Out R
GND Lift
Solid State
Tube Gain Trim R
Lead Gain R
Lead Gain L
Gain L
Gain R
In L/Mono
In R
In L/Mono
In R
OD Enable
Circuit
In L/Mono
In R
XLR
Mic In
In L/Mono
In R
OD Enable
Circuit
BLOCK-DIAG-K4-00-1v1.ai
MODEL TYPE: YS1045