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3 600,00 €

Availability:  Unavailable product
Shipment:  Contact us
Warranty: 3 years by manufacturer
Garantie 30 jours satisfait ou remboursé


The MMA-4 is an audiophile microphone pre-amplifier offering the highest standards of performance. Design objectives included consistently good sound over the whole range of gain settings, a high level of transparency and ultra-low noise and distortion.


The MMA-4 is designed for the discerning professional recording engineer. The microphone pre-amplifier is a critical component in the recording chain, as it must take a low-level signal from any of a wide range of transducers and amplify it so that it can be transmitted to a recording or distribution system without loss of information or introduction of noise. To meet todays requirements for quality, particularly driven by advanced digital media such as CD, DVD, SACD/DSD places huge demands on the preamplifier electronics. The MMA-4 has been designed to meet these challenges.

The MMA-4 is a pre-amplifier that can provide precise gain adjustment with minimal noise - it is designed to provide a very transparent signal path where the original signal from the microphone is perfectly preserved, whether it is a classic tube or modern design.

Ideal companions for the the MMA-4 are the MLA-2 Compressor, the MEA-2 Equalizer, the ADA-8XR multi-channel A/D & D/A converter and the AD-2 Stereo A/D converter.

Pedigree and design philosophy for the Maselec Master Series

The most recent addition in the range of Maselec Master Series products, the MMA-4 was developed for Prism Sound by engineer/producer Leif Mases. Leif's work with a diverse range of artists including Abba, Led Zeppelin, Jeff Beck and Black Sabbath as well as co-ownership of the renowned Marcus Studios in London provided the essential experience using the "tools of the trade" needed to define and implement new and improved professional audio components.

Also qualified in electronic design, Leif Mases developed the highly acclaimed Maselec 9001 retrofit equalizer for SSL 4000 mixing consoles used in film sound and recording studios and currently also builds custom consoles and equipment for mastering and other applications.

The combination of Leif Mases' experience with the creative process and Prism Sound's focus on engineering and technical excellence ensure that the Maselec Master Series delivers great-sounding audio in an intuitive and easy-to-use package.

Using the MMA-4

The MMA-4 is a minimalist microphone preamplifier that has been designed to provide integrity and transparency. Consistent with this, each channel has only controls for gain (60dB in 3dB steps), phase invert, cut (mute) and 48V phantom power. The Phantom power circuit provides a higher-than usual level of current output - often a problem with inferior designs which can result in compromised microphone performance. An LED bargraph clearly shows signal level with conventional green, yellow and red colouring for highest levels. Output headroom extends to +28dBu.
The MMA-4 frequency response extends to more than 200kHz - well beyond the basic 20kHz audio band.


  • Ultra-low noise & distortion
  • Precision stepped gain controls from 0dB to +60dB (3dB steps)
  • High-output switchable phantom power supply
  • Phase reverse switch
  • Cut switch
  • Electronically balanced XLR input & output
  • PPM bargraph meter on each channel


  • Frequency response (+0dB/-3dB) from <1Hz to >200kHz
  • Maximum input level >+26dBu
  • Maximum output level
  • load > 600 ohm >+28dBu
  • E.I.N. gain >57dB
  • 20-20kHz 150 Ohm source <-129dBu
  • E.I.N. gain >30dB
  • 20-20kHz 150 Ohm source <-126dBu
  • E.I.N. gain >48dB
  • 20-20kHz 0 Ohm source <-134dBu
  • E.I.N. gain >30dB
  • 20-20kHz 0 Ohm source <-128dBu
  • THD+N: 1kHz 0-60dB gain <0.0006%
  • CMRR: 50-20kHz 60dB gain <115dB