Rolls RP220 Specifications

Channel One
GAIN
NORM
+48V
-30dB
INST.
INPUT
+38
PHAN INPUT
POWER PAD
The RP220 provides clear sonic quality and perfor-
mance for the working musician, studio operator or
anyone who needs a preamp with the warm, smooth,
analog sound. Each channel utilizes one premium 7025
tube in a unique configuration to give smooth control-
lable gain through transformer balanced inputs. The unit
has both XLR and 1/4" inputs and outputs with a 30 dB
Pad and a Phase Reversal switches to adapt to any
performing or studio situation.
WHY TUBES?
Because they sound great! Vacuum tube circuits have
a natural warming effect on audio signals because they
react differently than solid state devices and will not
reproduce sharp transients in the music. The result of
adding a Bellari tube processor or preamp to your sig-
nal is a smooth round sound.
Preamps or signal processors are designed to provide
low noise gain or effects to microphones and instru-
ments without coloring or distorting the sound in an
unpleasant way. The audio signal can go directly from
a Bellari tube processor to the recorder, thus bypass-
ing any additional solid state circuits of a mixer.
CAUTION
120 VAC
50/60 Hz 15 VA
RISK OF ELECTRIC SHOCK
WARNING:
DO NOT EXPOSE THIS EQUIPMENT TO RAIN
OR MOISTURE.
MADE IN U.S.A.
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
NRTL /C
VOLUME
NORM
+48V
-30dB
- OO dB 0
dB +65
PHAN INPUT
PAD
POWER
SERIAL NUMBER
MODEL RP220 220-
DO NOT OPEN
Dual Tube Mic Preamp
Channel Two
GAIN VOLUME
INST.
INPUT
- OO dB 0
+38 dB +65
Tube preamps and processors have gained in popularity to
counteract the "digital sound" of contemporary digital re-
cording equipment which may sound harsh or brittle. Tube
processors are utilized by recording engineers who prefer
the "sound" of analog recording equipment, but like the
editing and predictability of digital recorders. Bellari tube
processors have a more even harmonic structure, adding
that analog touch back to the signal, so they just plain sound
better.
SPECIFICATIONS
Frequency Response:
Input Impedance:
THD:
S/N Ratio:
Max Gain:
Indicators:
Input/Output jacks:
Dimensions:
Power:
Weight:
CHANNEL
TWO
OUTPUT
NORM NORM
OUTPUT
REV -30dB
PHASE OUTPUT
LEVEL
RP220
Dual Tube Microphone Preamp
PWR
RP220
20Hz - 40kHz, +/- 3dB Mic/Line
5Hz - 40kHz inst.
600 balanced XLR
1M Instrument
0.1% typical
>107 dB
48 dB Inst. or Line, 70 dB Low Z
5 segment output level
Power status LED
XLR balanced and 1/4"
3.5" x 6" x 19"
(89mm x 162mm x 482mm)
120 VAC (230 VAC) 15 VA
7.5 lbs (3.5 kg)
CHANNEL
ONE
OUTPUT
INPUT
OUTPUT
Bellari is a division of Rolls Corporation
5143 South Main Street
Salt Lake City, UT 84107
INPUT
NORM NORM
REV -30dB
PHASE OUTPUT
LEVEL
www.rolls.com