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REAR PANEL DESCRIPTION
Note: Channel One descriptions are identical to Channel Two
INPUT
Standard XLR type balanced inputs, pin 2 is hot, for Mic or line-level
audio sources. (e.g., instrument, microphone or mixer).
OUTPUT JACKS
1/4" phone connectors or balanced XLRs used for connection to your line
inputs on your load (e.g., DAT, Amp. or mixer).
30 dB Pad
This switch changes the level of the Output XLR jack only. When in, it
attenuates the output level by 30 dB.
PHASE REVERSE
When pressed in, reverses the phase of the output signal 180 degrees
from the input signal.
SPECIFICATIONS
Frequency Response 20Hz - 40kHz, +/- 3dB Mic/Line
5Hz - 40kHz inst.
Input Impedance 600 ohm balanced XLR
1M ohm Instrument
THD 0.1% typical
S\N Ratio >107 dB
Max Gain 48dB Inst or line, 70dB XLR
Indicators 2 - LEDs (Phantom Power)
5 - Level LEDs, 4 green 1 red
Input/Output jacks XLR balanced and 1/4"
Dimensions 3.5" X 6" X 19" (89mm X 162mm X 482mm)
Power 120VAC (230VAC) 15VA
FRONT PANEL DESCRIPTION
Note: Channel One descriptions are identical to Channel Two
PHANTOM POWER +48V
Turns on the internal 48 volt power supply for using phantom powered
microphones. It should be left off when not in use.
30 dB Pad
When pressed in, the rear panel XLR input is attenuated by 30 dB. It
does not switch the instrument input.
INSTRUMENT INPUT
1/4" input jack for plugging a guitar, electric bass, or other instrument
direct into the preamp. When this jack is used, the XLR input on the rear
panel is disconnected.
GAIN
Adjusts how much actual gain the preamp has. This is similar to a "trim"
control on some mixers and is different from volume. With the gain set
high the input may be distorted. For best signal to noise ratio this control
should be set as high as possible without distortion, (unless distortion is
desired).
VOLUME
Sets the output level as desired, for best signal to noise ratio it should be
set in the middle of its range or higher.
OUTPUT LEVEL METERS
Each channel of the RP220 has five LED level meters, the last one being
red indicating overload.
2 3
GAIN VOLUME
GAIN
VOLUME
PWR
INSTRUMENT
INPUT
PHANTOM
POWER
INSTRUMENT
INPUT
+48V
RP220
Channel One Channel Two
Dual Tube Microphone Preamp
+38 dB +65+38 dB +65
dB 0
-
OO
dB 0
-30dB
NORM
-30dB
NORM
-
OO
PHANTOM
POWER
INPUT
PAD
+48V
INPUT
PAD
CHANNEL
ONE
CHANNEL
TWO
OUTPUT
INPUT
OUTPUT
CAUTION
WARNING:
DO NOT EXPOSE THIS EQUIPMENT TO RAIN
OR MOISTURE.
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT
NOT REMOVE BACK. NO USER SERVICABLE PARTS INSIDE. REFER
SERVICING TO QUALIFIED SERVICE PERSONNEL.
RISQUE DE CHOC - NE PAS ENLEVER
RISK OF ELECTRIC SHOCK
DO NOT OPEN
120 VAC
50/60 Hz 15 VA
MADE IN U.S.A.
MODEL RP220
SERIAL NUMBER
220-
OUTPUT
OUTPUT
INPUT
NORM
-30dB
NORM
REV
NORM
-30dB
NORM
REV
NRTL /C
PHASE OUTPUT
LEVEL
PHASE OUTPUT
LEVEL