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side-address large-diaphragm tube pressure-gradient ef86 condenser
Specifications and Reviews
Mods for the M 990
- Hamptone
Scott Hampton repairs vintage tube mics, especially those needing new power supplies. His mic repairs involve replacing and updating selected components, fine-tuning the circuitry, and restoration of the mic's original sonic character. He can also furnish a Hamptone second-generation Tube Mic Power Supply.
Related Microphones
Microtech Gefell M 990
MSRP: $3,600 Cardioid Condenser Tube Microphone
Description
Gefell’s M990 is a large-diaphragm tube condenser mic with a fixed cardioid pattern. It is characterized by high sensitivity (28 mV/Pa) and high signal to noise ratio.
The tube is an EF 86 pentode, wired as a triode.
The mic ships in a metal suitcase and includes a dedicated power supply (p/n N920.1), power cable (p/n C92.1), and elastic suspension mount (p/n EA 92). The mic’s finish is dark bronze.
The Microtech Gefell M 990 is also known as: M990.
The mic was released in 2001.
| Pickup Patterns | Pads & Filters |
|---|---|
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| Diaphragm size | Impedance | Max SPL |
|---|---|---|
| n/a | 200 Ohms (Low (50-1000 Ohms)) | 119 dB |
| Weight | Length | Max Diameter | Interface(s) |
|---|---|---|---|
| 400g (14.11oz) | 185mm (7.28'') | 43mm (1.69'') |
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| Power Specifications |
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