Lowell Manufacturing MA125 Rackmount Mixer with 125W Amplifier

SKU: LWMA125 MFR: MA125
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Key Features

  • Get crystal-clear audio with this 125W amplifier, perfect for PA systems and sound reinforcement.
  • This rackmount mixer amplifier features multiple input options for mics, aux, and telephone.
  • Enjoy versatile sound control with bass and treble adjustments on this mixer with amplifier.
  • Ideal for installations, this amplifier with mixer includes 4, 8, 25, & 70V speaker outputs.
  • Built-in priority muting ensures announcements are heard clearly with this reliable amplifier.
  • Phantom power support on channels 1-5 makes this mixer amplifier great for condenser mics.
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Special Order?Estimated to Ship: 08/17/2025
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Lowell Manufacturing MA125 Specifications

  • AC Supply Voltage

    115 or 230 VAC (rear panel switchable); +/-10%, 60Hz

  • DC Supply Voltage

    24 VDC (Max. 10% deviation)

  • Power Consumption

    300W (AC) 8A (DC)

  • Speaker Level Outputs

    Screw terminal strip, 4 ohms, 8 ohms, 25V, 70V (125W RMS)

  • Tape Outputs

    Dual parallel RCA-phono jacks, 1V at 4.7k Ohms

  • Preamp ("Pre") Outputs

    Dual parallel RCA-phono jacks, 1V at 600 Ohms

  • Unswitched AC Outlet

    500W maximum

  • MIC Inputs 1-5

    XLR receptacle or screw terminals, 1mV at 600 Ohms balanced

  • AUX Inputs 1-6

    Dual parallel RCA-phono jacks, stereo converted to mono, 150mV at 22k Ohms

  • Telephone Input 7

    Screw terminal strip, 150mV at 600 Ohms balanced

  • Power Amp In

    RCA-phone jack, 1V at 8k ohms

  • Frequency Response

    50Hz - 20kHz +/-3dB (Test signal inserted at AUX input)

  • Total Harmonic Distortion

    Less than 1% at 1kHz at rated power

  • Signal to Noise Ratio

    80dB (Test signal inserted at AUX 6 input)
    60dB (Test signal inserted at MIC 1 input)

  • Tone Controls

    Bass +/-10dB at 100Hz, Treble +/-10dB at 10kHz

  • Phantom Power

    16VDC, shipped from factory with internal phantom power jumpers set "ON" for channels 1-5. To defeat phantom power, remove cover and set jumpter to "OFF".
    Channel-1: see jumper JP1, Channel-2: see jumper JP2, Channel-3: see jumper JP3, Channel-4: see jumper JP4, Channel-5: see jumper JP5.

  • Priority Muting

    Three levels of priority

  • Dimensions (HxWxD)

    3.5 x 17 x 13.5" (8.89 x 43.18 x 34.29cm)

  • Weight

    19 lbs (8.62kg)

About Lowell Manufacturing MA125

Take your audio experience to the next level with the MA125 Rackmount Mixer with 125W Amplifier. This high-performance audio equipment is designed for seamless integration into your existing setup, offering switchable power options of 115 or 230 VAC at 50/60Hz, or 24VDC for versatile use.

The MA125 Rackmount Mixer is more than just a powerful amplifier. It's an all-in-one audio solution that includes five individual channel volume controls for precise sound customization. Whether you're fine-tuning the audio for a live performance or adjusting the sound for a recording session, this mixer gives you the control you need.

In addition to the channel volume controls, the MA125 Rackmount Mixer also features dedicated treble and bass controls. These allow you to shape your sound to your exact specifications, ensuring the highest quality audio output every time.

The master volume control provides overall control of your sound, allowing you to adjust the volume levels to suit your specific needs. Whether you're playing in a small venue or a large auditorium, the MA125 Rackmount Mixer ensures your sound is always on point.

The main power switch offers easy operation, while the LED display bank provides a visual representation of your output level. This makes it easy to monitor your sound levels at a glance, ensuring optimal performance.

In summary, the MA125 Rackmount Mixer with 125W Amplifier is a versatile and powerful addition to any audio setup. Its comprehensive controls and features make it an essential tool for anyone seeking superior sound quality and control.

Lowell Manufacturing MA125 Features

  • Five input channels, switchable from XLR mic connector to AUX input dual combining RCA-phono connectors
  • Includes 4W, 8W, 25V and 70V speaker outputs at a screw terminal strip
  • AUX-6 input channel with dual combining RCA phono connectors and rear level control
  • Main AC input protected by circuit breaker on rear panel
  • Un-switched (always on) AC outlet in rear is protected by separate circuit breaker
  • Mic-1 mutes channels 3-6
  • Separate telephone input with level control in rear mutes all other inputs
  • Dual RCA/phono parallel tape-out connectors and dual RCA-phono parallel PRE-OUT (preamp out) connectors in rear
  • Chassis-ground termination screw in rear
  • 19" E.I.A. rackmount chassis (17" x 13.5" x 3.5")

Warranty Information

This product has a limited warranty of 12 months.

Product Documents

User Manual

Key Features

  • Get crystal-clear audio with this 125W amplifier, perfect for PA systems and sound reinforcement.
  • This rackmount mixer amplifier features multiple input options for mics, aux, and telephone.
  • Enjoy versatile sound control with bass and treble adjustments on this mixer with amplifier.
  • Ideal for installations, this amplifier with mixer includes 4, 8, 25, & 70V speaker outputs.
  • Built-in priority muting ensures announcements are heard clearly with this reliable amplifier.
  • Phantom power support on channels 1-5 makes this mixer amplifier great for condenser mics.

What's in the box:

  • Lowell Manufacturing MA125 Rackmount Mixer with 125W Amplifier
  • Rack Mounting Brackets
  • Lowell Manufacturing 1 Year Limited Warranty