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sE Electronics Gemini II Dual-Tube Condenser Microphone
The Gemini II runs two tubes rather than one: a 12AX7 handling the capsule's impedance conversion and a 12AU7 driving the output. The point is that neither stage has to do a job it is bad at, and the result is a large cardioid vocal mic with 13 dB self-noise, 151 dB max SPL and no transformer in the signal path.
The capsule is a hand-crafted 1 1/4 inch true condenser with a gold-sputtered mylar diaphragm. A 150 Hz low-cut and a 10 dB pad are switchable on the body, and the included floor-box power supply feeds the mic. At 1180 g it needs a solid stand.
- Polar PatternCardioid
- Frequency Range20 Hz - 20 kHz
- Sensitivity40 mV/Pa (-28 dBV)
- PoweringIncluded power supply unit, 200 Ohms, 3-pin male XLR
- CapsuleHand-crafted 1 1/4 inch true condenser, gold-sputtered mylar
| Capsule | Hand-crafted 1 1/4 inch true , gold-sputtered mylar |
|---|---|
| Tube Complement | 1x 12AX7 / ECC83, 1x 12AU7 / ECC82 |
| Polar Pattern | |
| Frequency Range | 20 Hz - 20 kHz |
| Sensitivity | 40 mV/Pa (-28 dBV) |
| Equivalent Noise Level | 13 dB |
| Low-Cut Filter | 150 Hz, 6 dB/oct, switchable |
| Powering | Included power supply unit, 200 Ohms, 3-pin male |
| Max SPL | 151 / 135 / 145 dB (0 / -10 dB pad) (0.5% THD @ 1kHz) |
CondenserA microphone type with a powered capsule. Usually more sensitive and detailed than a dynamic.
CardioidA pickup pattern that hears what is in front of the microphone and rejects sound from behind it.
XLRThe three-pin balanced audio connector used on professional microphones and mixers.
