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RDL HD-RA35U 35 Watt Remote Mixer Amplifier
RDL HD-RA35U 35 Watt Remote Mixer Amplifier
B&H # RDHDRA35UA MFR # HD-RA35UA
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Expected availability:
7-10 business days
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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RDL HD-RA35UA overview
- 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.
UPC: 813721010759
In the Box
RDL HD-RA35U 35 Watt Remote Mixer Amplifier
Table of Contents
- 1Description
RDL HD-RA35UA specs
| 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" |
RDL HD-RA35UA Q&A
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