Introducing the Class Amp M1


Full speed ahead...


It is a great feeling to re-introduce the Class Amp M1 precision microphone and transducer pre-amplifier.


Class Amp M-1's are employed in the most critical professional applications in sound, movie, video and audio pre-production. 


The M-1 microphone pre-amplifier utilizes a unique method. The concept of locating the mic pre-amp close to the microphone rather than in a mixing desk or in a remote 19" rack far away from the mike allows more precise recording, better RF rejection, high accuracy signal transfer and elimination of cable loss.

By rendering the system immune to interference, hum and noise, a massive improvement in transparency is achieved.

The Class Amp M-1 uses proprietary,
 pure analogue, discrete enhanced Class A stages. Hand-selected, high-speed semiconductors provide phase coherent pre-amplification and guarantee results second to none.

The Class Amp M-1 excels in
absolutely superior signal-to-noise ratio and in its headroom and output capability. The longest cables ( up to 600m runs have been used ! ) have no negative influence on the audio signal.

The Class Amp M-1 provides up to +28 dBu of undistorted signal output and gain from 0 to 72 dB. Other features like 180 degree phase inversion, precision phantom power, linear-phase low-frequency filter as well as adjustable input with optimized loading for any microphone or transducer) are ensuring that the Class Amp M-1 is in a class of its own.

It is definitely the ultimate in microphone pre-amplification.

The Class Amp M1 has been used in the professional field by artists and producers like


- Joseph Grado

- Anthony Jackson

Tom Jung

- Shawn Murphy

- Leo Nucci


and many others.
Dozens of great movies have been recorded by using Class Amp's.

They also have found great admiration for precision pre-amplification of transducers - from guitars, string instruments, woodwinds to bass and a variety of others instruments.
With the advent of the Class Amp M1, musicians, producers, engineers and music aficionados who enthrall in recording  achieve the absolute reference in recording quality.


Microphone recordings and transducer pre-amplification never sounded better.


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8132 Egg b. Zurich



Phone:  + 41-44-7257777

Fax:     + 41-44-7257790


Last updated : 24.06.2024