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side-address large-diaphragm condenser hpf
Specifications and Reviews
MK-319 Product Description- Mojo Pie rvw, Dec. 2003
- Oktavamod review, Mojo Pie
- MK-319 Circuit Schematic
MK-319 mod HOWTO
Mods for the MK-319
- OktavaMod
Michael Joly offers two basic mod packages for the MK-319, and three styles of headbasket mod, for a total of five options. The “Standard Mod” includes six electrical and mechanical modifications, including component upgrades, shock-mounting of the capsule, and the fabrication of a single-layer headbasket screen. The “Premium Electronics Mod” additionally replaces and upgrades the internal wiring and every component on the mic’s circuit board, including the stock FET, with high-end, lower-noise components. The “flat top” and “floating dome” options both provide an innovative single-layer, 360 degree, low-reflection headbasket (with no sidebar supports). See also the MK-219/MK-319 Omni Mod. - Marik
Marik’s mod for the MK-319 includes: removing the resonator disk from the capsule; upgrading the circuit with high quality parts; re-biasing the FET with optimal operating points; redesigning the low cut and -10db switches circuit to eliminate existing long wiring in high-Z section, which degrades the sound; re-skinning the capsule with aluminum foil, re-lapping, and capsule custom tuning for different applications and needs.
Related Microphones
JSC Oktava MK-319
MSRP: $300 Cardioid Condenser Microphone
Description
The MK-319 is a fixed cardioid-pattern, large-diaphragm condenser microphone. The capsule assembly is the same as the MK-219; the primary differences between the models are:
- The MK319 case and grille design are new, designed to cut down the sound refractions inside the grill, allowing a smoother and more open sound.
- The pad and HPF switches are improved on the MK-319.
- Internal wiring runs are longer than on the MK-219.
The diaphragm is a gold sputtered teflon design. The mic exhibits a presence rise intended to give warmth and clarity to the human voice.
Scott Dorsey published an article in the June, 2005 issue of Recording Magazine (back issues are sold out but the publisher sells reprints of the article for $4; ping us for contact info) with mods for the MK-319 (and MK-219, which uses identical circuitry and capsule). Dorsey presents the following modifications:
- Mechanical mods
- Replace the rigid screen with something more flexible (and less resonant)
- Caulk the inside of the body with silicone RTV to damp body resonance
- Electronic mods
- Replace the FET with a Toshiba 2SK170BL
- Upgrade and install various resistors as specified in the article
- Replace electrolytic capacitors with tantalum types
Dorsey’s article goes into great detail about the differences between the 219 and 319, and the four circuit-board revisions you might come across, so it’s well worth the $4 investment to get the article if you’re inclined to try these mods yourself. He includes numerous color photos of the circuit boards before and after the mod, and a circuit diagram with clearly labeled components.
(See also the OktavaMod suite of mods for the MK-319 in the sidebar.)
Prior to the Recording Magazine article, the HomeRecording forum was host to an extensive exchange about modding the MK-319, with information on the HF resonance discs, damping body ring, replacing components, and so on.
The JSC Oktava MK-319 is also known as: 319, MK319, MK219A, MK-219A.
| Pickup Patterns | Pads & Filters |
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| Diaphragm size | Impedance | Max SPL |
|---|---|---|
| 28mm (1.10'') | 200 Ohms (Low (50-1000 Ohms)) | 122 dB |
| Weight | Length | Max Diameter | Interface(s) |
|---|---|---|---|
| 490g (17.28oz) | 205mm (8.07'') | 52mm (2.05'') |
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| Power Specifications |
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