REAR PANEL CONTROL & CONNECTIONS
6
REAR PANEL
(17) POWER SWITCH
Turns the unit ON or OFF. Always turn level controls down before
turning on the unit.
(18) VOLTAGE SELECTOR SWITCH
For selecting the proper voltage (115/230VAC) to match the power
supply in your area.
Note: To avoid damage to your unit, always make sure this switch
is set to the correct supply voltage. Damage caused by improper
use is not covered by the warranty.
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(19) POWER CONNECTOR WITH FUSE HOLDER
This standard IEC power cord receptacle is used to connect
the AC power to your unit. It features a built-in fuse holder for a
5X20mm, (4A/250V for 115VAC, and 2A/250V for 230VAC opera-
tion) fast-blow fuse. If the fuse continuously blows, shut off the unit
and have it serviced by qualified service personnel.
(20) EXTERNAL SPEAKER OUTPUT
1/4” (6.3mm) jack for connecting an external speaker cabinet to
the RPA-4. The connected speaker impedance must be 8 ohms
or greater. The RPA-4 external speaker output delivers 50W RMS
of power @ 8 Ohms.
CAUTION: Do not overload the RPA-4 with speaker loads less
than 8 ohms as this will degrade performance and may harm
the unit. Damage caused by improper use is not covered by the
warranty.
(21) LINE OUTPUT
These 1/4” (6.3mm) audio output is line level, post Master Volume,
designed for connecting to external recorders, mixers, or ampli-
fiers.
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FRONT PANEL CONTROLS & CONNECTIONS
(9) MASTER — DEPTH CONTROL
This controls the amount of feedback of the reverb reflection, i.e.
the number of reflections and the length of time before they dimin-
ish in volume.
(10) POWER ON LED INDICATOR
Indicates when the unit is ON.
(11) MASTER — HIGH CONTROL
The control has a shelving response giving 15dB of boost or cut at
12KHz.
(12) MASTER — MID CONTROL
The control has a shelving response giving 15dB of boost or cut at
1.5KHz.
(13) MASTER — LOW CONTROL
The control has a shelving response giving 15dB of boost or cut at
100Hz.
(14) EFFECTS SEND
This line level output can be connected to external recorders, am-
plifiers, or effects processors. The signal is a mix of the channel
inputs determined by each Channel Gain control.
(15) EFFECTS RETURN
This input can be used to return the effected signal into the RPA-6
or it can be used as an auxiliary input. The input signal can be
adjusted by the Master Volume and the unit the return jack is con-
nected to.
(16) TAPE IN AND TAPE OUT
The Left and Right TAPE IN allows cassette recorders or CD
players to be added to the Main output. The RECORD OUTPUT,
with TAPE RCA jacks, provides signal output to a cassette deck or
home audio equipment.
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