Epifani 502 - Rear Panel Overview; Rear Panel Connections and Functions

• Rear Panel Features
*Balanced Out- (Quest II preamp only) - This XLR jack is a low noise output intended for use with an
ampli er that has a balanced input.
19.)
USA/European Power Select Switch –
Select 120V for use in the U.S. Select 220V for European
use.
20.)
AC Line-in –
Firmly plug the supplied AC power cable into the socket.
20b.)
Fuse –
The fuse protects the ampli er from damage due to line current faults, power surges
etc... If the fuse blows replace it with the appropriate fuse. For 120V units replace with a 6.3A
250 Volt fuse, on 220 V units replace with a 3.15A 250V fuse.
21.)
Amp Out with Speakon™ Connector –
Connect your ampli er to the speaker cabinet using a
Speak-On cable.
NEVER connect plus or minus to ground
NEVER connect plus or minus to ground
– (i.e. we highly recommend the use
of a “Speakon to Speakon” for a better connection. In the event of a Speakon to  inch
connection be sure the connection from the amp to cabinet is made while the ampli er is OFF.
22.)
Pedal Control –
Allows you switch between Channel 1 and Channel 2 and toggle Mute/Tuner,
and Mid-cut.
23.)
Effect Send/Return –
This feature allows you to use outboard effects with the Ultra Light Amp.
Effects Send/Return - Can also be run in series or parallel via the selector switch (23).
24.)
Tuner Out –
Connect your tuner using an instrument cable. While in mute mode you can
directly/silently tune.
25.)
Preamp Out –
Use this feature to bypass the power section of your Ultra Light 502/902 and use
an alternate power amp. If you are using a Quest II preamp, connect your power amp input here
using an instrument cable.
26.)
Pre/Post EQ –
Selects whether direct output (DI) signal comes before or after Ultra Light
EQ section.
27.)
Direct Out Level –
Adjusts the signal coming from Direct Out (Usually kept at the twelve o’clock
position). Adjust accordingly in conjunction with different applications (recording, live, etc.).
28.)
Ground Lift –
Disconnects chassis ground to get rid of unwanted hiss and buzzing.
29.)
Direct Out (XLR) –
Send a balanced signal to house sound or sound engineer (Can be also used
as a “record out” for studio applications).
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