Instrukcja obsługi Rolls PA202

Rolls odbiornik PA202

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PA202
Mini 20 + 20 watt
Power Amplier
Quick Start Guide
Salt Lake City, Utah
4/20
PA202
Mini Power Amplier
• RCA Inputs
• Dual volume controls
• Pluggable Screw terminal in and out
• Low noise, e󰀩cient operation
• Small compact size
• Class D high e󰀩ciency amp
The PA202 is a very compact 20 + 20 watt high e󰀩ciency amp
with barrier strip terminals for the balanced input and speaker out-
puts. The unit is perfect for small speakers in small environments.
Great for in ceiling and projector applications where small size is
needed along with class D low radiated heat locations.
The bridge - stereo function of the PA202 is a way of converting the unit
from two channels at 20 watts each to one channel at 40 watts. To do
this depress the CONFIGURATION SWITCH and follow the silk screen-
ing on the chassis for the mono-bridge operation.
Bridge or Stereo Operation:
WARNING: THE MINIMUM SPEAKER IMPEDANCE FOR
STEREO (2 CHANNEL OPERATION) IS 4 OHMS EACH.
WARNING: THE MINIMUM SPEAKER IMPEDANCE FOR
MONO/BRIDGE IS 8 OHMS.
IF YOU CONNECT AND USE THE PA202 WITH A LOWER
SPEAKER IMPEDANCE THAN LISTED ABOVE YOU
WILL DAMAGE THE UNIT AND POSSIBLY OTHER
EQUIPMENT THAT IS CONNECTED TO THE PA202.
PWR
LEFTRIGHT LEFT RIGHT
- + - +
LIMITER
off on
CHANNEL VOLUME
LEFT RIGHT BRIDGE INPUTS
RIGHT LEFT
BRIDGE
+
-
INPUTS
BRIDGE
OUTPUTS
-
+
-
+
STEREO
CONFIGURATION
BRIDGE:
STEREO:
VDC
PA202 Mini Two Channel Amp 20 + 20 watts
OUTPUTS:
+
WARNING: DO NOT GROUND THE SPEAKER OUTPUT
TERMINALS. THE SPEAKER TERMINALS MAY NOT BE
AT GROUND POTENTIAL.
PWR
LEFTRIGHT LEFT RIGHT
- + - +
LIMITER
off on
CHANNEL VOLUME
LEFT RIGHT BRIDGE INPUTS
REAR PANEL
SPEAKER OUTPUT: Pluggable screw terminals.
VDC: For connection to the included power supply.
FRONT PANEL
CHANNEL VOLUME: Adjusts the level of signal from the Line Input to
the Line/Power and Speaker outputs.
INPUTS: RCA line level inputs and balanced pluggable screw terminals
BRIDGE/MONO SWITCH: For selecting the operation of stereo or mono
bridge input and output operation.
LIMITER SWITCH: For selecting on or o󰀨 of the limiter circuit.
CONNECTION / OPERATION
Connect input sources such as CD player, DVD player or projector out-
puts to the inputs of the PA202.
Select the bridge or stereo function. The PA202 is shipped from the
factory in stereo mode. To select bridge mode push in the switch until it
locks into position.
Connect the outputs from the PA202 to your speakers. The stereo and
bridge outputs are labeled on the silk screening of the unit.
We recommend selecting the LIMITER ON function, but the circuit may
be disabled by selecting the OFF position.
SPECIFICATIONS
Line Input Impedance: 47K Ohms
Power Output: 20 Watts X 2 (4 Ohms)
Voltage Gain: 32 dB
Maximum Supply Voltage: 30 VDC
THD: .05% typical
EIN: 3 mV
E󰀩ciency: 85%
Input Sensitivity: 28 mV
Bandwidth: 20Hz - 25 kHz
Size: 6" x 3.5" x 1.5"
Weight: 1 lb.
NOTE: THIS MANUAL ASSUMES THE USER HAS A WORKING KNOWL-
EDGE OF AUDIO ELECTRONICS, BALANCED AND UNBALANCED CON-
NECTIONS, AND PROPER SIGNAL LEVEL SETTING.
The limiter is a function that will not allow very loud signals to pass
through the PA202 by limiting their volume temporarily to a normal level,
preventing damage to the speakers or the unit its self. It is important to
note that the limiter utilizes a circuit that decreases the amount of very
loud signals it does not cut out all potentially loud signals. Proper instal-
lation and setup is crucial. If you are experiencing distortion turning the
Limiter on may help but it is not intended for total dynamics control. Its
primary function is to help prevent one time very loud signals like drop-
ping a microphone or loud program material that is temporary.
LIMITER EXPLANATION:
The holes in the back and
side of the PA202 are for the
attachment of a zip tie (not
included). For power cord
strain relief as needed.
PWR
LEFTRIGHT LEFT RIGHT
- + - +
LIMITER
off on
CHANNEL VOLUME
LEFT RIGHT BRIDGE INPUTS
+
-
BRIDGE
OUTPUTS
-
+
-
+
STEREO
VDC
+

Specyfikacje produktu

Marka: Rolls
Kategoria: odbiornik
Model: PA202

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