RDL HD-MA35UA 35-Watt Remote Mixer Amplifier (USA Power Supply)

RDL HD-MA35UA 35-Watt Remote Mixer Amplifier (USA Power Supply)

RDL HD-MA35UA 35-Watt Remote Mixer Amplifier (USA Power Supply)


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RDL HD-MA35UA overview

  • 1Description

The HD-MA35UA 35-Watt Mixer Amplifier from RDL features dual-zoned amplifier outputs and is designed for use in applications requiring background music with paging or music-on-hold functionality. The unit has 4 audio inputs, each with independent volume controls, including 2 mic- or line-level inputs on terminal blocks and 2 stereo RCA line inputs that are each summed to mono. The HD-MA35UA has two output power amplifier zones, 35 watts (Zone 1) and 4 watts (Zone 2), and are driven from high-efficiency Class D amplifier stages. The mixer and amplifier sections all normally shut down (standby "sleep" model) when audio is absent, and automatically turn on when needed.

The HD-MA35UA features 2 mixers. Its Zone 1 mixer provides 35 watts of amplifier output for background music use, while the Zone 2 mixer has 4 watts of output on a 600 ohm connection for music-on-hold scenarios and/or background music in a small zone equipped with an 8 ohm speaker. Additionally, a line-level output allows for connectivity to a separate power amplifier. This unit comes with a USA power supply.

Four inputs with individual front-panel volume controls
Bass and Treble tone controls
Designed for background music with paging and music-on-hold
Master volume VCA controlled with remote adjustment capability
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 for energy savings
Analog compressor/limiter for Zone 1
UPC: 813721010711
In the Box
RDL HD-MA35UA 35-Watt Remote Mixer Amplifier (USA Power Supply)
  • PS-24V2A 24VDC Switching Power Supply with North American Cord
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    RDL HD-MA35UA specs

    Zones Amplifier Zones:
    Zone 1 (Main): 35 W RMS, front-panel mixer (user controls)
    Zone 2: 4 W RMS (8 Ω), 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
    Gain Adjustment 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 24 VDC (IEC 61938: 2013), switch-selectable for each mic input
    Ducking 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
    Effects Loop Unbalanced RCA jacks (preamp output from main mixer, input to power amplifier)
    Power Output External RDL Module Power Output: 24 VDC, 100 mA maximum, ground-referenced
    Input Level To Cross Compressor Threshold Equaling 23 W 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.)
    Unbalanced Inputs: -15 dBV (180 mV), (front panel and rear trimmer at max., both inputs driven)
    Noise Line or Amplified Outputs:
    Mic or Balanced Line Inputs: -70 dB (below compressor threshold at max gain)
    Unbalanced Inputs: <-75 dB (max gain)
    THD + N < 0.5% (1 kHz at compressor threshold, main amp output); < 0.1% (line output, main)
    CMRR Microphone Inputs: > 50 dB (50 Hz to 120 Hz)
    Balanced Line Inputs: > 80 dB (50 Hz to 120 Hz, transformer-coupled input)
    Compressor Threshold 2 dB 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)

    Constant voltage: ±3 dB (50 Hz to 20 kHz); 4/8 Ω ±1 dB (50 Hz to 20 kHz)
    Tone Controls ±10 dB @ 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 Ω transformer-isolated, 16 dB headroom
    Amplifier Output Zone 1 (main): 35 W RMS (25, 70 or 100 V)
    Zone 2: 4 W (8 Ω, 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)
    VCA Zone 1 (main) master level (with switch-selectable input 1 bypass), 0 to 10 VDC control, RJ45 (compatible with RDL VCA wall controls)
    Controls Front-Panel Controls:
    Zone 1 (main) mixer level controls (4, inputs 1 through 4)
    EQ (2, bass and treble)
    Power (momentary pushbutton, toggle on/standby)

    Rear-Panel Controls:
    Gain trimmers (2, input 1 and 2)
    Mic/Line switch (2, input 1 and 2)
    Zone 1 line output pre/post-EQ switch
    Effects loop bypass switch
    Sleep (standby) mode delay (4 binary switches)
    Input 1 ducking/muting detector sensitivity trimmer
    Phantom voltage switches (2, input 1 and 2)
    Ducking control switches (3, to duck inputs 2, 3, and/or 4)
    VCA paging bypass (includes or excludes input 1 from master VCA control)
    Zone 2 mixer level controls (4, inputs 1 through 4)
    Sleep Mode Power Consumption: < 1 W (amplifier and included power supply)
    Delay: 10 minutes to 2 hours (switch-selectable in 10 minute increments)
    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
    Ambient Operating Environment -32 to 122°F (0 to 50°C) Maximum; 68°F (20°C) Recommended
    Dimensions 3.5 x 8.5 x 10.0" (8.89 x 21.60 x 25.40 cm)
    Weight 7.3 lb (3.3 kg)
    Packaging Infodyqavxevuzscrq
    Package Weight 9.8 lb
    Box Dimensions (LxWxH) 18.8 x 9.6 x 4.2"

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