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Electronics > Audio > Professional Audio > Amplifiers > RDL RDL-HDPA35UA Power Amplifier 35 Watt, 25, 70, 100 V, with Power Supply; One input with front panel volume control; Bass and treble tone controls; Designed as a single zone amplifier; Master volume VCA controlled with remote adjustment capability; Amplifier output on detachable terminal block; Unbalanced summing inputs on RCA jacks; Includes power supply; UPC 813721010735 (HDPA35UA HDPA-35UA HDPA35-UA RDLHDPA35UA RDLHD-PA35UA RDLHDPA-35UA BTX)
Electronics > Audio > Professional Audio > Professional Audio Accessories > RDL RDL-HDPA35UA Power Amplifier 35 Watt, 25, 70, 100 V, with Power Supply; One input with front panel volume control; Bass and treble tone controls; Designed as a single zone amplifier; Master volume VCA controlled with remote adjustment capability; Amplifier output on detachable terminal block; Unbalanced summing inputs on RCA jacks; Includes power supply; UPC 813721010735 (HDPA35UA HDPA-35UA HDPA35-UA RDLHDPA35UA RDLHD-PA35UA RDLHDPA-35UA BTX)
Electronics > Audio > Professional Audio > Sound Systems > RDL RDL-HDPA35UA Power Amplifier 35 Watt, 25, 70, 100 V, with Power Supply; One input with front panel volume control; Bass and treble tone controls; Designed as a single zone amplifier; Master volume VCA controlled with remote adjustment capability; Amplifier output on detachable terminal block; Unbalanced summing inputs on RCA jacks; Includes power supply; UPC 813721010735 (HDPA35UA HDPA-35UA HDPA35-UA RDLHDPA35UA RDLHD-PA35UA RDLHDPA-35UA BTX)
RDL RDL-HDPA35UA Power Amplifier 35 Watt,  25, 70, 100 V, with Power Supply; One input with front panel volume control; Bass and treble tone controls; Designed as a single zone amplifier; Master volume VCA controlled with remote adjustment capability; Amplifier output on detachable terminal block; Unbalanced summing inputs on RCA jacks; Includes power supply; UPC 813721010735 (HDPA35UA HDPA-35UA HDPA35-UA RDLHDPA35UA RDLHD-PA35UA RDLHDPA-35UA BTX)
RDL RDL-HDPA35UA Power Amplifier 35 Watt, 25, 70, 100 V, with Power Supply; One input with front panel volume control; Bass and treble tone controls; Designed as a single zone amplifier; Master volume VCA controlled with remote adjustment capability; Amplifier output on detachable terminal block; Unbalanced summing inputs on RCA jacks; Includes power supply; UPC 813721010735 (HDPA35UA HDPA-35UA HDPA35-UA RDLHDPA35UA RDLHD-PA35UA RDLHDPA-35UA BTX)

SKU: HDPA35UA

Brand: RDL

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RDL RDL-HDPA35UA Power Amplifier 35 Watt,  25, 70, 100 V, with Power Supply; One input with front panel volume control; Bass and treble tone controls; Designed as a single zone amplifier; Master volume VCA controlled with remote adjustment capability; Amplifier output on detachable terminal block; Unbalanced summing inputs on RCA jacks; Includes power supply; UPC 813721010735; Automatic sleep mode meets strictest energy saving standards; Dimensions 3.50" x 8.50" x 10.00"; Shipping Dimensions 17.75" x 9.13" x 3.94"; Weight 7.34 lbs; Shipping Weight 9.33 lbs


General Information

Manufacturer

RDL

Manufacturer Part Number

RDL-HDPA35UA

Product Name

Power Amplifier 35 Watt,  25, 70, 100 V, with Power Supply
UPC Code 813721010735

Overview

The HD-PA35UA is a single input audio amplifier for systems demanding the highest energy efficiency. It may be used as a single zone amplifier fed from a variety of RDL or OEM mixers. It is ideal for providing one or more additional zones to a mix originating from another RDL HD series mixer amplifier

The 35 watt power amplifier output is driven from a high efficiency Class D amplifier stage. The amplifier normally shuts down (standby “sleep” mode) when audio is absent and automatically turns on when needed

The amplifier output level may be VCA controlled using various optional RDL remote controls, or by industry standard 0 to 10 Vdc or 0 to 10k ohm controls. The amplifier provides a constant voltage output (25 V, 70 V or 100 V)

The HD-PA35UA is engineered, tested and manufactured in the U.S.A. to strict energy conservation standards. The unit consumes less than 1 watt of mains power in standby mode, and meets power amplifier efficiency specifications with an analog filtered Class-D digital output stage

The HD-PA35UA provides a front panel control to set the input gain. An optional remote control connected to the rear panel RJ45 jack provides for remote adjustment of the output level. The tone controls adjust the equalization at the amplifier output

The presence of a signal at the input causes the HD-PA35UA to fully turn on, activating the power amplifier and all associated equalization and compressor circuitry. When an input signal is absent, a delay timer is initiated. Rear panel DIP switches are provided to set the power down delay timer to a value between 10 minutes and 2 hours in 10 minute increments

After the time out period, the HD-PA35UA enters the sleep mode until an input signal is received. The switches may be set to disable the sleep mode for systems specifying continuous amplifier operation

The amplifier includes an analog compressor/limiter for audio fidelity noticeably superior to conventional class D amplifiers with digital limiting. Increasing the input gain can substantially increase the average output power beyond that of a standard 35 watt amplifier. A red front panel LED flashes when the compressor is preventing output clipping

Normal audio level signals remain unaffected by the compressor thereby preserving audio dynamics. The audio is compressed according to three dynamic time constants providing aural transparency while maintaining clean, unclipped amplified audio for input overloads of up to 20 dB

The HD-PA35UA, with compression, is capable of producing average audio output levels and clarity normally expected from amplifiers with a much higher output power rating. During power up and power down, the amplifier output is protected against clicks, pops and thumping by internal soft start solid state switches

A blue POWER LED illuminates when the HD-PA35UA is powered from its external 24 Vdc power supply (included). The power LED is dim when the amplifier is in the standby mode, and is bright when the amplifier is fully active

A front panel pushbutton is provided to manually cycle between standby and active modes. The power amplifier is equipped with both thermal and output short circuit protection. The high efficiency Class D output stage produces minimal heat for all levels of expected voice or music modulation

Features

  • One input with front panel volume contro
  • Bass and treble tone controls
  • Designed as a single zone amplifier
  • Master volume VCA controlled with remote adjustment capability
  • Amplifier output on detachable terminal block
  • Unbalanced summing inputs on RCA jacks
  • Includes power supply
  • Automatic sleep mode meets strictest energy saving standards

Specifications

Rated Power
35 W RMS
Audio Input
Unbalanced stereo summing input on RCA jacks
Maximum Input Level
+ 5 dBV (+11 dBV, one input); (for 1 percent THD+N at output)
Input Level
-15 dBV (180 mV), (to cross compressor threshold equaling 23 W amplified output, both input jacks driven)
Noise
Less than-75 dB (max gain)
THD+N
Less than 0.5 percent (1 kHz at compressor threshold)
Compressor
Threshold 2 dB below rated output, automatically adjusting attack and release times
Frequency Response
+/- 3 dB (50 Hz to 18 kHz)
Tone Controls +/-10 dB at 10 kHz, +/-9 dB at 100 Hz (front-panel) with center detent
Power Amplifier Output
35 W RMS (25, 70 or 100 V); Less than1 percent THD+N
Indicators (3)
Front-panel: Signal present (green), Compressor activity (red), Power (bright=on, dim=standby, blue)
VCA
Output level, 0 to 10 Vdc control, RJ45 (compatible with RDL VCA wall controls)
Front-panel controls (4)
Input, EQ (2, bass and treble), Power (momentary pushbutton, toggle on/standby)
Rear-panel controls (4)
Sleep (standby) mode delay (4 binary switches)
Efficiency Standard Used
“Energy Star Program Requirements for Audio/Video” Version 2.0
Sleep Mode Power Consumption
Less than 1 W (amplifier and included power supply)
Sleep Mode Delay
10 minutes to 2 hours (switch-selectable in 10 minute increments)
Sleep Mode Disable
Selectable
Active Mode Delay
2 seconds (nominal) after input audio detected
Audio Detector Threshold
-42 dBV
Power Supply (included) 100 to 240 Vac, 50-60 Hz, 50 W; 24 Vdc output to amplifier chassis
Ambient Operating Environment 0C to 50C Maximum; 20C Recommended
Dimensions 3.50" x 8.50" x 10.00"
Shipping Dimensions 17.75" x 9.13" x 3.94"
Weight 7.34 lbs
Shipping Weight 9.33 lbs

A-20170810-1505-210-L
M-20200119-1505-254-L

*This item is BRAND NEW - not refurbished. It comes with all manufacturer supplied accessories, and full manufacturer's USA warranty.

*** DISCLAIMERS: 1) Availability is not always guaranteed: Please call or email us to double-check stock before placing your order. We ship from our inventory and also drop-ship from hundreds of suppliers. We try very hard to show only available products but sometimes products sell out before we can update the product webpage.  2) Some information may have been supplied by 3rd Party Content Suppliers: We are not responsible for Data or Image errors.  3) We do not offer Installation, Training or Technical Support on this product.***

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