Microtech Gefell UM 900
Large-diaphragm multi-pattern tube condenser microphone
MicrophonePrice not published
Specifications
- Type
- Microphone
- Description
- Large-diaphragm multi-pattern tube condenser microphone
- Topology
- Condenser, large-diaphragm dual-diaphragm capsule, tube (sub-miniature low-noise tube) with internal transverter and balanced output transformer
- Signal path
- Analog
- Channels
- 1
- Form factor
- Side-address spherical/cylindrical body, switchable pattern
- Frequency response
- 40 Hz - 18,000 Hz
- Max SPL
- 130 dB SPL (0.5% THD); 140 dB with -10dB pad engaged
- Sensitivity
- 25 mV/Pa nominal / 40 mV/Pa cardioid at +4dB position (1 kHz)
- Polar pattern
- Omni, Wide Cardioid, Cardioid, Hypercardioid, Figure-8 (switchable)
- Impedance (Ω)
- 30
- Country of manufacture
- Germany
Details
Controls: Front: 5-position polar pattern selector (omni/wide cardioid/cardioid/hypercardioid/fig-8); side: 3-position gain switch (0/-10dB/+4dB, +4dB locks pattern to cardioid); side: 2-position bass roll-off switch (-10dB at 70Hz)
I/O: 1x XLR3M balanced output (gold-plated contacts)
Notes: TUBE microphone (flagged: distinguish from FET models). Marketed as the first switchable-pattern tube condenser mic usable on standard 48V phantom via a regular 3-pin XLR cable (no external tube power supply needed) - unusual for a tube design. Self-noise 16 dBA/26 dB CCIR468-4, dynamic range 114 dB, weight 900 g, dims 200x75mm, satin nickel/dark bronze, won Thueringer Preis fuer Produktdesign 1998 (design award, not confirmed as intro year). price_usd left blank per golden rule: US retail listings vary widely ($3,299 sale to $5,048), no single authoritative figure; manufacturer page lists no price (EUR or USD).