RDL HR-MP2A - Microphone Preamplifier

RDL HR-MP2A - Microphone Preamplifier

RDL HR-MP2A - Microphone Preamplifier


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Expected availability: 7-10 business days

Product Highlights

  • Dual Channel
  • 40dB Gain
  • Polarity Switches
  • 1/4" TRS, Terminal Block Outputs
  • Separate Mono Summed Output
  • 48V Phantom Power
  • Dual Clip LEDs
  • Half-Rack Enclosure
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This item is noncancelable and nonreturnable.

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RDL HR-MP2A overview

  • 1Description

The HR-MP2A from RDL is a dual channel microphone preamplifier housed in a half space rack-mount chassis. The preamp features exceptional input headroom, wide flat frequency response, and extremely low noise with very high common-mode signal rejection. Total harmonic distortion and crosstalk are below the noise floor.

Each section provides identical connections and controls. A 15dB pad and polarity inverse can all be enabled, along with 48V phantom power. A separate LED flashes when a signal peak is within 3dB of clipping. The HR-MP2A can be operated as a stereo preamplifier, or as two separate mono preamplifiers.

Balanced line-level outputs include detachable terminal block and 1/4" TRS phone connectors, which can be wired unbalanced. A separate summing amplifier provides a combined mono output on a line-level detachable terminal block, and a power input jack allows for connecting 24VDC power.

Two independent microphone preamplifiers
Balanced XLR microphone inputs
Independent controls for each preamplifier
Front panel 20dB to 60dB gain control
Switch selectable 48V phantom power
Switch selectable 15dB input pad
Switch selectable polarity reversal
CLIP indicators for peaks 3dB below clipping
Balanced line-level outputs
Each output allows balanced or unbalanced connection
Each preamp output on 1/4" TRS or detachable terminal block
Separate summed output 1 + 2 on detachable terminal block
UPC: 813721013385
In the Box
RDL HR-MP2A - Microphone Preamplifier
  • 4 x Rubber Feet
  • Three (3) Year Warranty
  • Table of Contents
    • 1Description

    RDL HR-MP2A specs

    Number of Channels 2 (1 and 2 may be used for stereo, or as two separate mono preamplifiers)
    Inputs 2 x XLR
    Input Impedance < 1kΩ balanced
    Input Level For +4dBu output: -56dBu to 0dBu (maximum gain without pad, minimum gain with pad)
    Maximum Level: >+5dBu input pad disabled, +22dBu input pad enabled)
    Gain Range 20dB to 60dB (front panel adjustable for each preamplifier)
    Pad Input: 15dB nominal (1 per preamplifier)
    Output 3 x Detachable terminal block
    2 x 1/4" TRS phone
    Output Impedance 150Ω balanced
    Output Level +4dBu balanced, -4dBV unbalanced
    +24dBu maximum, balanced
    Phantom Power Switchable 24V or 48V phantom
    Multi Function No
    Frequency Response 10Hz to70 kHz, +/-0.5dB, (flat); -3dB @ 80Hz (low-cut filter enabled)
    THD Below noise floor
    CMRR >80dB (50Hz to 5kHz)
    Noise Residual Noise (below +4dBu output): <-85dB (20Hz to 20kHz, 40dB gain, 150Ω source); <-70dB (20Hz to 20kHz, 60dB gain, 150Ω source)
    Crosstalk Below noise floor
    Indicators 1 x Blue POWER LED
    2 x Red CLIP
    Power Requirement 24VDC @ 175mA (200mA with phantom), ground-referenced
    Dimensions (WxDxH) 8.6 x 4.59 x 1.7" (206 x 117 x 43mm)
    Weight Not specified by manufacturer
    Specialties Rack-mount using (optional) rack adapters such as HR-RA2, or operate free standing (feet included)
    Packaging Info
    Package Weight 2.8 lb
    Box Dimensions (LxWxH) 10.2 x 7.4 x 2.4"

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