3rd Power DS $ ’68 Plexi User Manual - Fx Loop Notes:
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The SEND jack is provided for inserting an effects device. Connect the SEND
jack to the INPUT of your effects device.
The RETURN jack is provided for inserting an effects device. Connect the RE-
TURN jack to the OUTPUT of your effects device.
FX Loop Notes:
• This is a line-level effects insert that is best suited for professional rack-
mount effects devices.
• Best performance is achieved by minimizing patch cable length.
• When cable runs are over 5 - 10 feet it may be beneficial to use an exter-
nal effects buffer device on the SEND connection.
Operational Notes:
Tube Layout and Requirements:
Model 1: V1 (JJ 12AX7A), V2 (Sovtek 12AX7LPS)
Model 2: V1 - V2 (JJ 12AX7A), V3 (Sovtek 12AX7LPS)
Model 3: V1 (JJ EF806), V2 (JJ 12AX7A), V3 (Sovtek 12AX7LPS)
Model 4: V1 - V2 (JJ 12AX7A), V3 (Sovtek 12AX7LPS)
All Models: JJ 6V6 output tubes
Back Panel:
TUBE CHART
V1
V5
V4
V2
V3