Designed by David Royer of Royer Microphones, this is a vacuum tube small diaphragm condenser with included switchable cardioid and omni capsules.
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!
Features
Interchangeable cardioid and omnidirectional capsules
Hand-selected 3-micron capsule
Jensen audio transformer
Military grade JAN 5840 vacuum tube
External switchable power supply voltage
Ultra clean signal path
High SPL handling capability
Recommended applications
Acoustic Instruments
Drums
Guitar Amplifiers
Piano
Stereo Pairs (X/Y, MS, etc.)
Decca Tree
Orchestral Recording
Choral Recording
Voice-overs and Broadcast
Percussion
David Royer started Mojave Audio in 1985 in the garage of his house. The location was Fullerton, California, and Mojave Audio was a one-man, custom pro audio gear shop. David is best known for his ribbon microphone designs with Royer Labs, but he originally started out designing and building vacuum tube microphones, mic pre's and compressors for engineers in the Los Angeles area. Since the mid 1990's, Davidýs custom Mojave products have been used on a number of well-known recordings and have achieved legendary status among a small circle of high-end engineers. With the launching of Mojave Audio, we are able to bring David's non-ribbon designs to the world.
TRANSDUCER TYPE: Externally excited capacitor type
DIAPHRAGM: .8" / 20.5 mm diameter
DIAPHRAGM THICKNESS: 3 microns
POLAR RESPONSE: Interchangeable Cardioid and Omnidirectional Capsules
FREQUENCY RESPONSE: 20 Hz - 20 kHz, +/-3dB
SENSITIVITY: -37dB re 1V/pa
MAXIMUM SPL: 130dB
DISTORTION: head amp only , not to exceed .4% @ 140 dB SPL
SELF NOISE: Not to exceed 16dB
IMPEDANCE: 450 ohms, transformer balanced
VACUUM TUBE: 5840 pentode wired as triode, operated as a unity-gain buffer stage (cathode follower)
POWER REQUIREMENTS: 100-120VAC; 220-240VAC, 50 or 60 Hz. Power consumption approx. 10 watts.
DIMENSIONS AND WEIGHT: Carrying case with microphone, power supply, shock mount and cables: 7 lbs.
Carrying Case: 14"x11"x4"
Microphone: 5.5"x.75", weight .4lbs
MA-100 User Manual
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