RDL RU-PA518 Bruksanvisning
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RACK-UP
®
SERIES
Model RU-PA518
Audio Power Amplifier
Compact, 1/3-Rack width Amplifier
Selectable Stereo or Bridged Mono
9 W RMS Stereo, 18 W RMS Mono
Front Panel Control for 2 Inputs
Selectable Built-In Peak Limiter
Clean, Transparent Audio Quality
The RU-PA518 is part of the group of RACK-UP products from Radio Design Labs. RACK-UPs feature the advanced circuitry for which RDL
products are known, combined with accessible user-friendly controls and displays. The ultra compact design permits high-density
installations, with three products mounted in a single rack unit. Optional brackets permit mounting a RACK-UP module above, below, or in
front of any flat surface!
APPLICATION: The RU-PA518 is a very versatile audio amplifier ideally suited to a wide variety of
installations. This amplifier features two modes of operation: stereo and bridged mono. Each mode
is switch selectable on the rear panel.
In stereo mode, each of the two inputs feed its respective left or right output. Front-panel level
controls set the gain for left (channel A) and right (channel B). When the rear-panel switch is set to
the bridge mode, the two inputs (A and B) are mixed together and fed to the output.
In either the stereo or mono modes, an internal audio peak limiter may be turned on using a rear-
panel switch.
The limiter protects the speakers from high transient audio peaks which permits more
of the amplifier’s power to be delivered to the speakers without clipping. This allows the RU-PA518 to
deliver more unclipped power than is possible in a typical power amplifier of similar power rating. A
front-panel LED flashes when the peak limiter operates, permitting accurate audio gain setting when
operating at high levels.
In stereo mode, the RU-PA518 can be connected to either an 8 or 4 load, delivering more than 5
W RMS at 8 or more than 9 W RMS into 4 . In the bridge mono mode, the amplifier can deliver
more than 18 W RMS into 8 .
Each of the audio inputs is provided with both balanced and unbalanced connections. Balanced
audio is connected through a rear-panel full-size barrier block. Unbalanced audio is connected
through a standard phono input jack. Outputs are available on a barrier block. 24 Vdc power is
connected through either barrier block terminals or through a dc power jack mounted on the rear
panel. Front-panel controls include two audio level knobs and a power switch with an LED indicator.
With its high performance, small size and professional appearance, the RU-PA518 is the ideal power
amplifier in its power range. Use the RU-PA518 individually, or combine it with other RDL RACK-UP
or STICK-ON
products as part of a complete audio/video system.
RDL 659 6
th
St. Prescott, AZ., USA 86301 (928) 443-9391 FAX (928) 443-9392 www.rdlnet.com
RACK-UP
®
SERIES
Model RU-PA518
Audio Power Amplifier
+
4 OR 8 OHMS
INPUTS
UNBALANCED
BALANCED INPUTS
SET SWITCH TO STEREOSET SWITCH TO BRIDGE
INPUTS
UNBALANCED
BALANCED INPUTS
UNBALANCED
BALANCED INPUTS
INPUTS
EACH INPUT MAY BE WIRED BALANCED OR UNBALANCED
B
RDL
BRIDGE
4 OR 8 OHMS
+
24 VDC POWER
OR
MADE IN U.S.A.
STEREO
BRIDGE
OUTPUT(S)
B A
LIMITER
OFF
ON
8 OHM SPEAKER
BRIDGE
24 VDC POWER
OR
MODE
MADE IN U.S.A.
STEREO
BRIDGE
OUTPUT(S)
B A
MODE
B
RDL
LIMITER
OFF
ON
BRIDGE
OR
POWER
24 VDC
SOURCE
OR
24 VDC POWER
LIMITER
BA
WIRING
INPUT
OUTPUT(S)
FROM
SIGNAL
SOURCE
LINE-LEVEL
BALANCED
OFF
ON
MADE IN U.S.A.
STEREO
BRIDGE
MODE
RDL
B
A
STEREO
OUTPUT
WIRING
WIRING
OUTPUT
MONO
A
UNBALANCED
LINE-LEVEL
SIGNAL
SOURCE
FROM
A
SIGNAL
FROM
UNBALANCED
LINE-LEVEL
SOURCE
OR
TYPICAL PERFORMANCE
Inputs(2): Line level
(+4 dBu nominal balanced)
(-10 dBV nominal unbalanced)
Input Impedance: 20 k balanced bridging
10 k unbalanced
Input Connectors: Balanced on terminal block;
Unbalanced on phono jack
Minimum Input Levels:
Balanced: -6 dBu for rated power output
Unbalanced:
-20 dBV for rated power output
Maximum Input Levels:
Balanced: +20 dBu
Unbalanced: +6 dBV
Frequency Response:
Stereo (5W RMS, 8): 20 Hz to 40 kHz (+/- 1 dB)
Stereo (9W RMS, 4): 25 Hz to 40 kHz (+/- 1 dB)
Mono (18W RMS, 8): 25 Hz to 30 kHz (+/- 1 dB)
THD+N: < 0.05% below rated power
(@ 1 kHz)
< 0.1% below 18 W RMS
(50 Hz to 20 kHz)
Noise: <-85 dB below rated output
CMRR: > 55 dB (50 Hz to 120 Hz)
Output Power:
Stereo Mode: >
5 W RMS per channel into 8
>
9 W RMS per channel into 4
Mono Mode: > 18 W RMS into 8
Crosstalk: < -60 dB (stereo mode, 1 kHz)
Power Requirement: 24 Vdc @ 1500 mA
(for continuous RMS power
output, Ground referenced)
24 Vdc @ 1000 mA
(for continuous music or voice
output, Ground referenced)
Declaration of Conformity available from rdlnet.com.
Sole EMC specifications provided on product package.
Specifications are subject to change without notice.
Installation/Operation
891-3056M
Radio Design Labs Technical Support Centers
U.S.A. (800) 933-1780, (928) 778-3554; Fax: (928) 778-3506
Europe [NH Amsterdam] (++31) 20-6238 983; Fax: (++31) 20-6225-287
Produktspecifikationer
| Varumärke: | RDL |
| Kategori: | mottagare |
| Modell: | RU-PA518 |
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