1/2 channels microphone preamplifier



High quality professional stereo Mic/Line amplifier
• Ideal complement for DAT, DV, miniDV recorders and Betacam
• 48 volts Mic Power, battery operated

The most critical part of any sound recording system is the microphone preamplifier.

Considerable effort was therefore invested in this element with the development of the SONOSAX SX-S mixer. This laid down the foundation for this product’s success and the same philosophy has since been implemented in the other SONOSAX products.

The advent of the DAT, MINIDISC, DV, miniDV and BETACAM formats has created a need for mic preamplifiers of equally high standards. As most of these applications do not demand any on site mixing, SONOSAX now offers its well-proved technology in a versatile dual channel package. The SONOSAX SX-M2 operates with two 9volt batteries, or with NiCd accumulators.


Type: balanced transformerless, XLR connectors
Impedance: 5k Ohms , 20Hz to 20kHz
Gain: 76dB to 20dB (high), 40dB to 6dB (lo), 0dB (center)
Lo cut filter: 18dB/oct, -3dB at 70Hz
Overload indicator: 6dB before clipping level
Mic power: phantom 48V

Balanced: floating transformerless XLR, nominal level :+6dBu, max +20dBu 600 Ohms
Unbalanced: 3,5mm mini-jack stereo, nominal level : 0dBu, max +14dBu

Frequency response: ±0,5dB, 20Hz to 20kHz
Crosstalk: better than 75dB, 20Hz to 20kHz
THD: less than 0.01%, 20Hz to 20kHz at +6dBu, less than 0,03% at +20dBu
Noise 76dB gain: better than -129,2dBu, 20Hz to 20kHz, 150 Ohms source
Noise 40dB gain: better than -126dBu, 20Hz to 20kHz, 150 Ohms source

Batteries: 2 x 9V alkaline (UCAR 6LR61 or equivalent), or Ni-Cd rechargeable
(UCAR RC22 or equivalent).
External: 12V DC to 24V DC, minimum 30mA, maximum 80mA
Autonomy: 6 to 10 hours with alkaline batteries, 1,5 to 3 hours with NiCd
Indicator: low batteries at 14V. Autonomy: minimum 2 hours with alkaline batteries, and minimum 10 minutes with NiCd.
Dimensions: 5,75″ x 3,4″ x 1,6″ (146 x 85 x 40mm), 0,95lbs (435g) with batteries

User manual EN
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User manual SP