Rolls MicroMix Power Amplifier PA71 Bruksanvisning

Rolls Mixerkonsol MicroMix Power Amplifier PA71

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PA71
MicroMix
Power Ampli er
Quick Start Guide
Salt Lake City, Utah
7/10
PA71
MicroMix Power Ampli er
• RCA Inputs
• XLR Mic Input
• Spring-loaded, and 1/4" output
• Low noise, ef cient operation
The PA71 mixes an unbalanced line level
signal with a mic signal to a powered 1/4" or
speaker terminal outputs. The unit is perfect
for small speakers in small environments.
MIC
INPUT
LINE
INPUT
POWER
OUT
SPEAKER
OUTPUT
12 VAC/
VDC
PWR
LINE
LEVEL
MIC
LEVEL
PHANTOM
POWER
MADE IN USA
www.rolls.com
on off
1
PA71.SCH A
25 MAY 2001Date:
Rev:
Sheet 1 of
PA71 POWER AMP
Ba
2
3
1
J 5
JAPDC
D 5
L D R R
1
1
2
2
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D 2
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D 3
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D 4
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C17
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2
3
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R 4
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R 6
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R 5
R12
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+V
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ROLLS COPRORATION
5968 SOUTH 350 WEST
SALT LAKE CITY, UT 84107
S i z e :
D o c u m e n t n u m b e r ;
2 2 0 0 U F 1 6 V
INTRODUCTION
Thank you for your purchase of the PA71 MicrMix Power Ampli er. This
unit mixes a stereo RCA signal with a microphone to a 1/4" line level
output and a powered spring loaded speaker output. The unit for power-
ing small speakers in small environments.
DESCRIPTION
REAR PANEL
LINE INPUT: RCA line level inputs (mixed to mono)
MIC INPUT: Balanced XLR input for connection to a dynamic or con-
denser microphone.
LINE/POWER OUT: 1/4" TS output.
SPEAKER OUTPUT: Spring-loaded output terminals - the red terminal is
positive and the black one is negative.
12VAC/VDC: For connection to the power supply.
SIDE PANEL
PHANTOM POWER: Jumper pin for connecting 12 volts of phantom
power to the Mic Input.
FRONT PANEL
LINE LEVEL: Adjusts the level of signal from the Line Input to the Line/
Power and Speaker outputs.
MIC LEVEL: Adjusts the level of signal from the Line Input to the Line/
Power and Speaker outputs.
CONNECTION / OPERATION
Connect input sources such as CD players or cassette players to the
RCA inputs, connect a microphone to the balanced XLR Mic Input. If the
microphone is a condenser type, move the Phantom Power jumper to
connect the indicated pins.
WARNING: DO NOT GROUND THE SPEAKER OUTPUT
TERMINALS. THE SPEAKER TERMINALS ARE NOT AT
GROUND POTENTIAL.
SPECIFICATIONS
Line Input Impedance: 47K Ohms
Mic Input Impedance: 600 Ohms
Phantom Power Voltage: 12 V
Power Output: 5 Watts (8 Ohms)
Voltage Gain: 40 dB
Maximum Supply Voltage: 18 VDC
THD: .05% typical
EIN: 3 mV
Ef ciency: 65%
Input Sensitivity: 28 mV
Bandwidth: 20Hz - 25 kHz
Size: 4.25" x 2.375" x 1.5"
Weight: 1 lb.
SCHEMATIC
MIC
INPUT
LINE
INPUT
LINE/
POWER
OUT
SPEAKER
OUTPUT
12 VAC/
VDC
PWR
LINE
LEVEL
MIC
LEVEL
PHANTOM
POWER
MADE IN USA
www.rolls.com
on off

Produktspecifikationer

Varumärke: Rolls
Kategori: Mixerkonsol
Modell: MicroMix Power Amplifier PA71

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