Palmer PMBLA 2-Stereo-Channel Active Line-Level Merger

Palmer PMBLA 2-Stereo-Channel Active Line-Level Merger

Palmer PMBLA 2-Stereo-Channel Active Line-Level Merger

B&H # PAPMBLA MFR # PMBLA
More on the Way
Expected availability: 7-14 business days

Product Highlights

  • Merge 2 Stereo Line Signals into One
  • Active Circuitry for Lossless Mixing
  • Consumer and Professional Line Signals
  • 2 Input Channels with Level Control
  • Up to 16 dB Boost
  • Galvanically Isolated Channels
  • Mute and Mono Switches
  • Ground Lift Switch for Each Channel
  • Universal Power Supply
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$599.95
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Palmer PMBLA overview

  • 1Description

The Palmer PMBLA is a two-channel, stereo line-level merger box with active circuitry, designed to combine two stereo line-level signals into one stereo output, with lossless mixing and signal amplification. It can be used for simultaneously connecting two mixing desks to a single PA system, such as a DJ mixer and mixing console to a studio or live venue sound system.

Featuring combo sockets with XLR and 1/4" connectors, channel 1 is designed for both consumer-level equipment and professional gear with input sensitivity switchable from -10 dbV (consumer level) to +6 dBu (professional level). Channel 2 is optimized for +6 dBu professional line levels only. The inputs are galvanically isolated from one another to prevent crosstalk.

Both channels feature a mute switch and a mono switch to mix the stereo signal down to mono. Rotary controls set the overall levels with a maximum input signal boost of +16 dB. Individual ground lift switches are provided for each stereo input and the output.

The PMBLA is housed in a 1 RU, half-rack case and has a built-in power supply.

Key Features
  • Merge two stereo line signals into one stereo output
  • Active circuitry provides lossless mixing and signal amplification
  • Use with consumer and professional line-level signals
  • Two stereo, balanced inputs optimized for line-level signals
  • Channel 1 inputs are transformer-balanced to prevent ground loops
  • Input channels are galvanically isolated from one another
  • Individual level control for each channel
  • Maximum input signal boost of 16 dB
  • Mono and mute switches for each channel
  • Ground lift switch for each channel and output
  • Integrated universal power supply
In the Box
Palmer PMBLA 2-Stereo-Channel Active Line-Level Merger
  • Power Cord
  • Limited 5-Year Warranty
  • Table of Contents
    • 1Description

    Palmer PMBLA specs

    Type Line-level merger with active circuitry
    Input Connectors Stereo Channel 1 (L/R):
    2 x combo XLR - 1/4" / 6.3 mm TRS connectors, transformer-balanced (TS input = unbalanced)

    Stereo Channel 2 (L/R):
    2 x XLR-F connectors, electronically-balanced (servo)
    Input Impedance Stereo Channel 1: 2 kOhms

    Stereo Channel 2: 10 kOhms
    Input Sensitivity Stereo Channel 1: -10 dBV/+6 dBu, switchable (nominal)

    Stereo Channel 2: +6 dBu (nominal)
    Output Connectors Stereo Output (L/R): 2 x XLR-M, electronically-balanced (servo)
    Output Impedance 300 Ohms
    Output Level +20 dBu into 600 Ohms, maximum (not adjustable)
    Gain Adjustment Range -∞ to +16 db
    Controls Power, mute, mono/stereo, +6 dBu/-10 dBV switchable, ground lift
    Operating Voltage 100-240 VAC
    Power Consumption 2.5 W
    Material Powder-coated steel

    Aluminum front panel, thickness: 0.11" / 3 mm
    Dimensions (W x D x H) 8.7 x 6.3 x 1.7" / 222 x 160 x 44 mm
    (depth without front-panel and connector overhang)

    Rack Space: 1 RU
    Weight 2.8 lb / 1.3 kg

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