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Mojave MA-100

small diaphragm, vacuum tube condenser microphone with interchangeable cardioid and omnidirectional capsules.

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The MA-100 is a small diaphragm, vacuum tube condenser microphone with interchangeable cardioid and omnidirectional capsules. The latest in a lineage of successful microphone designs by David Royer, the MA-100's 'cathode follower' design allows use on high SPL instruments such as drums and guitar amplifiers, as well as the more common applications of a small diaphragm, vacuum tube condenser microphone, such as acoustic instruments, cymbals, stereo pairs and pianos.

Featuring hand selected 3 micron capsules, high quality Jensen audio transformers and military-grade JAN 5840 vacuum tubes, the MA-100 performs at a level reminiscent of some of the best loved classic small diaphragm tube condenser microphones. The MA-100 power supply can be set for either 115v or 230v via an external switch. Each MA-100 microphone, power supply and cable set is burned in for 24 hours, carefully tested and evaluated, then packaged in its protective case.

Small Diaphragm - Big Sound!

Why choose a small diaphragm microphone? Because small diaphragm microphones offer some distinct advantages over their larger brethren:

More consistent polar pattern
Better transient response
Ease of placement

Why choose an MA-100?

Extended low-frequency response
High SPL handling capability - try putting your large-diaphragm mic on a snare drum!


Interchangeable cardioid and omnidirectional capsules

Hand-selected 3-micron capsules

Jensen audio transformer

Military grade JAN 5840 vacuum tube

External switchable power supply voltage

Ultra clean signal path

High SPL handling capability


Microphone TypeTube Condenser
Polar PatternCardioid, Omni
Diaphragm Size0.79" (20mm)
Frequency Response20Hz-20kHz
Max SPL120dB
Output Impedance450 ohms
Signal to Noise Ratio78dB (A weighted)
Self Noise16dB
Weight0.4 lbs.
Manufacturer Part NumberMA-100

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