RDL HD-RA35U 35 Watt Remote Mixer Amplifier

RDL HD-RA35U 35 Watt Remote Mixer Amplifier

RDL HD-RA35U 35 Watt Remote Mixer Amplifier

B&H # RDHDRA35UA MFR # HD-RA35UA
RDL HD-RA35U 35 Watt Remote Mixer Amplifier

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Important Notice: This item is non-cancelable and non-returnable
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Expected availability: 7-10 business days 
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Product Highlights

  • Suited for Commercial Audio Installation
  • Dual Zone Configuration
  • Zone 1: 35 Watts, Zone 2: 4 Watts
  • 4 Ohm & 8 Ohm Operation
  • Four Audio Inputs
  • Paging Input with Volume Control
  • Audio Ducking During Paging
  • Remote Volume Controls Supported
  • Automatic Power Up and Shut Down
  • Energy Efficient
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  • 1Description

The RDL HD-RA35U 35 Watt Remote Mixer Amplifier is a versatile audio amplifier, mixer and paging system targeted for background music, call on-hold music, and commercial audio applications. The amplifier features two zones with Zone 1 delivering 35 watts and support for balanced and unbalanced inputs, and audio output to 4 and 8 ohm speakers. Zone 2 is reserved for an 8 ohm speaker or 600 ohm telephone equipment, and capable of 4 watts.

Optional VCA remote controls provide remote volume adjustment at various remote locations. The unit is built to high energy efficiency standards with automatic power up when signal is present, and a threshold adjustable "sleep mode" that powers down the amplifier when there is no audio signal. The HD-RA35U prioritizes paging audio with adjustable muting and ducking functions that lower or interrupt background music during pages. The amplifier is more than ideally suited for commercial retail, offices, warehouses, restaurants, bars, and various other environments that require a versatile and efficient audio paging amplifier.

Four audio inputs
Paging input with front-panel volume control
Three inputs with VCA volume control adjusted using RDL remote control
Bass and Treble tone controls
Designed for background music with paging and music-on-hold
Manual or automatic (VOX) priority ducking
Balanced inputs and amplified outputs on detachable terminal blocks
Unbalanced inputs and outputs on RCA jacks
Includes power supply
Automatic sleep mode meets strictest energy saving standards

Additional Input Features

Input 1 is switch-selectable MIC or LINE. Phantom voltage (IEC standard 24VDC) is switch-selectable for the microphone input. The line input is transformer isolated and accepts balanced or unbalanced, high or low impedance audio sources. A gain trimmer is provided to set the input preamplifier to the optimum gain for the installation.
A paging source is normally connected to Input 1. This input is equipped with push-to-talk terminals and with an adjustable threshold VOX circuit with LED threshold indicator, either (or both) of which may be set to duck ("fade down" or "mute") inputs 2, 3 and/or 4 by 25 dB when a paging signal is active on Input 1. The attenuated inputs fade up to normal volume when the paging message is finished. A rear-panel trimmer allows the start of the fade-up to be delayed from 2 to 6 seconds.
Input 2 is switch-selectable MIC or LINE. Phantom voltage (IEC standard 24VDC) is switch-selectable for the microphone input. The line input is active balanced and accepts balanced or unbalanced, high or low impedance sources. A gain trimmer is provided to set the input preamplifier to the optimum gain for the installation.
An RDL Dual-LED VU meter is provided on the rear panel to indicate proper gain adjustment for Inputs 1 and 2. Correct input gain adjustment insures adequate mixer stage headroom.
Inputs 3 and 4 each provide unbalanced stereo RCA input jacks, summed to mono.
In the Box
RDL HD-RA35U 35 Watt Remote Mixer Amplifier
  • Power Supply
  • 3-Year Limited Warranty
  • Table of Contents
    • 1Description
    Amplifier Zone 1 (Main): 35W RMS, remote-controlled mixer (3 user controls) with paging input level control on front panel
    Zone 2: 4W RMS (8 Ohms), rear-panel mixer (trimmers)
    Audio Inputs 2x balanced, mic or line switch selectable on terminal blocks
    2x unbalanced stereo summing inputs on RCA jacks
    1x unbalanced amp in on RCA jack
    Effects Loop: Unbalanced RCA jacks (preamp output from main mixer, input to power amplifier)
    Gain Control Inputs 1 and 2: Rear-panel single-turn trimmer
    Maximum Input Level Mic Inputs: -9 dBu; Balanced line inputs: + 20 dBu; Unbalanced Inputs: + 5 dBV (+11 dBV, one input); (for 1% THD+N at output)
    Phantom Power 24VDC (IEC 1938: 1996-12), switch-selectable for each mic input
    Attenuation / Gain Ducking/Muting Actuation: Automatic (Input 1 VOX: rear-panel adjustable signal threshold with LED indicator) or Manual (contact closure to ground)
    Ducking/Muting Release Delay: Rear-panel single-turn trimmer, adjustable 2 to 6 seconds
    Ducking/Muting: Switch-selectable for inputs 2, 3 and/or 4, 25 dB ducking attenuation, nominal
    Power External RDL Module Power Output: 24VDC, 100 mA maximum, ground-referenced
    Power Supply (included): 100 to 240VAC, 50-60 Hz, 50 W; 24VDC output to amplifier chassis

    Sleep Mode Power Consumption: < 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: -80 dBu mic (at max input gain), -55 dBu balanced line (at max input gain), -42 dBV unbalanced
    Input Level Input level (to cross compressor threshold equaling 23W amplified output):
    Mic Inputs: -50 dBu (2.5 mV), (front panel and rear trimmer at max.)
    Balanced line inputs: -21 dBu (70 mV), (front panel and rear trimmer at max.)
    Noise Unbalanced Inputs: -15 dBV (180 mV), (front panel and rear trimmer at max., both inputs driven)
    Mic or Balanced line inputs: -70 dB (below compressor threshold at max gain); Unbalanced Inputs: <-75 dB (max gain)
    THD < 0.5% (1 kHz at compressor threshold, main amp output); < 0.1% (line output, main)
    CMRR Mic inputs: > 50 dB (50 Hz to 120 Hz); Balanced line inputs: > 80 dB (50 Hz to 120 Hz, transformer-coupled input)
    Compressor Threshold 2dB below rated output, automatically adjusting attack and release times
    Frequency Response Mixer:
    Mic to line output: ±1.5 dB (40 Hz to 25 kHz); Balanced line input to line output: ±1 dB (20 Hz to 20 kHz); Unbalanced line input to line output: ± 0.5 dB (20 Hz to 20 kHz)
    Amplifiers: ±1 dB (50 Hz to 20 kHz)
    Tone Controls ±10dB @ 10 kHz, ±9 dB @ 100 Hz (front-panel) with center detent
    Audio Outputs -10 dBV nominal (316 mV), dual mono unbalanced RCA (main mixer; FLAT or EQUALIZED, switch-selectable on rear panel); 0 dBu nominal balanced, terminal block (zone 2 mixer)
    MOH Output: 0 dBu nominal (775 mV), 600 Ohm transformer-isolated, 16 dB headroom
    Amplifier Output Zone 1 (main, <1% THD+N): 35 W RMS (4 Ohms), 32 W (8 Ohms) on detachable terminal block (switch-selectable 4 or 8 Ohm impedance)
    Zone 2: 4 W (8 Ohms, on detachable terminal block)
    Indicators Front-panel: Signal present (4; 1 per input, green), Compressor activity (red), Power (bright=on, dim=standby, blue)
    Rear-panel: dual-LED VU meter (for inputs 1 and 2, green/red), Ducking/muting threshold (yellow)
    Power Conversion Efficiency "Energy Star Program Requirements for Audio/Video" Version 2.0, applicable for passive remote control models (without muting)
    Temperature 32° F to 122° F Maximum; 68° F Recommended (0° C to 50° C Maximum; 20° C Recommended)
    Dimensions (HxWxD) 3.5 x 8.5 x 10" (8.89 x 21.6 x 25.4cm)
    Weight 5.6 lb (2.5kg)
    Packaging Info
    Package Weight 9.82 lb
    Box Dimensions (LxWxH) 17.75 x 9.125 x 3.938"

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