3 Channnel Guitar Amprifireの製作（その１．３）

回路図が画像のとおり。Specとしては以下のとおりです。

TRITONE 3 Channel Guitar Amp HEAD
(CLASS AB1 PARALLEL PUSHPULL)

TUBE COMPONETS:5881(Sovtek) X 4,12AX7LPS(Sovtek) X 9

POWER TRANSFORMER:

FENDER022756(OEM) 100WATTS
Primary: 100 volt, 50/60 Hz
Secondary: 335-0-335 V, 450 mA with 60 V bias tap
Filament winding: 6.5 V, 5.5 A
Equivalent to #125P34A & #022756
OUTPUT TRANSFORMER:FENDER022899(OEM) 100WATTS, PRI 2000 OHM,SEC 4 OHM or 8 OHM

CONTROL:

Input,Channel Switch(Clean/Crunch),Channel Switch(Crunch/Dirty)
Clean Channel:Bright Switch,Volume,Treble,Middle,Bass,Level
Crunch Channel:Bright Switch,Volume,Drive,Treble,Middle,Bass,Level
Dirty Channel:Bright Switch,Volume,Drive,Treble,Middle,Bass,Level
Effect Loop:On/Off Switch,Send Level,Return Level
Active EQ:On/Off,Presence,Deep,Level

REAR PANEL:

AC CONNECTOR with Fuse 3A
MAIN SWITCH
STANDBYSWITCH
SPEAKER OUTPUT JACK 4OHM and 8OHM
NFB Presence Control
NFB Switch
Effect Send
Jack,Effect Return Jack