MICROTECH GEFELL UM92.1S — Microphone
Microtech Gefell UM 92.1 S is a side-address tube condenser microphone with switchable polar patterns.
Specifications
Format
| Product type | Tube condenser microphone with switchable polar pattern |
|---|---|
| Orientation | Side-address; maximum sensitivity perpendicular to microphone axis |
| Polar patterns | Omni, cardioid and figure-8 |
Capsule and Circuit
| Capsule | M 7 capsule with two large-diameter gold-plated plastic diaphragms |
|---|---|
| Operating principle | Pressure-gradient transducer |
| Tube | EF86 |
| Power supply | UN 920.1/N 920.1 power supply, 115 or 230 V AC, 50/60 Hz |
Audio Performance
| Frequency range | 40 Hz-18 kHz |
|---|---|
| Sensitivity | 15 mV/Pa at 1 kHz |
| Rated impedance | 200 ohms |
| Max spl | 120 dB for 0.5% THD |
| Dynamic range | 103 dB |
Noise
| Equivalent noise a weighted | 17 dB-A |
|---|---|
| Equivalent noise ccir | 25 dB |
| Signal to noise | 77 dB A-weighted; 69 dB CCIR-weighted |
Physical and Included Items
| Connector | 7-pin Tuchel C70/A at microphone; PSU provides 3-pin XLR audio output |
|---|---|
| Dimensions | 197 mm x 42 mm |
| Weight | 430 g |
| Delivery | Microphone, power supply, C 92.1 cable, EA 92 suspension, W 92 windscreen and case |
Fit and constraints
Intended use
Constraints
To use it
Questions
Which connections, drivers, operating systems, and sample rates are supported by this exact revision?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
What cables, mounts, power supplies, or licenses are included?
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Is the current retailer listing new stock, demo stock, open box, or special order?
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Description
Microtech Gefell UM 92.1 S is a side-address tube condenser microphone with switchable polar patterns. The manufacturer data sheet describes a classic M 7 capsule using two large-diameter gold-plated plastic diaphragms, a pressure-gradient transducer design and an EF86 pentode operated as a high-mu triode in the vacuum-tube preamplifier. Omni, cardioid and figure-8 patterns are selected at the UN 920.1 power supply. Published microphone specifications include 40 Hz-18 kHz frequency range, 15 mV/Pa sensitivity, 200 ohm rated impedance, 17 dB-A equivalent noise, 25 dB CCIR noise, 77 dB A-weighted S/N, 120 dB maximum SPL at 0.5% THD, 103 dB dynamic range, 7-pin Tuchel output connector, 430 g weight and 197 x 42 mm dimensions. The set includes microphone, N/UN 920.1 power supply, C 92.1 cable, EA 92 suspension, W 92 windscreen and case.