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side-address externally-biased transformerless condenser
Specifications and Reviews
Mods for the 990
- OktavaMod
Michael Joly’s “Hidden ‘84 Mod” alters the MXL 990’s stock capsule mounting and grille to reduce diffraction and “eshiness,” removes two layers of headbasket screening to reduce muddying reflections, and upgrades key electronic components. Results include tighter, deeper bass, reduced midrange phase shift, improved HF and transient response.
Related Microphones
MXL 990
Street: $50 / MSRP: $200 Cardioid Condenser Microphone
Description
The MXL 990 is a medium-diaphragm, fixed-cardioid, transformerless FET condenser with an externally-biased 20mm gold diaphragm (in a 22mm-diameter capsule).
The 990 can be purchased in a hard-shell case with shockmount, or in a “recording kit” package with the MXL 991.
The 990 is a good platform for modding, in that schematics and ideas for mods have been published by others. For example, in the “micbuilders” group on Yahoo, see the “GenChinaMod.pdf” schematic in the Zapnspark folder. (You would need to join the group to access this file.)
Permalink: MXL 990
Specifications
| Pickup Patterns | Pads & Filters |
|---|---|
|
Cardioid
(15 mV/Pa; 30 - 20,000 Hz) |
|
| Capsule Dimensions | Impedance | SPL/Noise |
|---|---|---|
| Diaphragm diameter: 20mm |
200 Ohms (Low) | Max SPL: 130 dB |
| Weight | Length | Max Diameter | Interface(s) |
|---|---|---|---|
| 544g (19.19oz) | 130mm (5.12'') | 60mm (2.36'') |
|
| Power Specifications |
|---|
|
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