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SE Electronics Gemini II Large Diaphragm Condenser Microphone


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  • Large diaphragm condenser microphone with dual valve design
  • Offers best of both worlds - warm tube sound with 'solid-state' clarity
  • Power by dedicated power supply (included)
  • Perfect for a wide range of recording applications across vocals and acoustic instruments
  • -10dB pad attenuation for recording high pressure sound sources, e.g. percussion
  • Specially designed shock mount for maximum control
  • Includes flight case, shock mount, power supply unit, and wooden case
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight, Channel Islands and the Republic of Ireland. is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland*FREE on orders over £75 £4.45 on orders under £751-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands Republic of Ireland£12.95 – any order value up to 30kg Over 30kg - please call1-3 working days
OverseasPlease call for detailsPlease call

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The SE Electronics Gemini II Cardioid Tube Microphone boasts a dual valve design that allows it to capture audio with the warmth and clarity offered by classic valve microphones, whilst retaining a versatility that allows it to be used not as a vocal mic, but an instruments microphone too. Whether you're recording strings, guitars and other plucked instruments, woodwind, vocals, and even percussive instruments (thanks to the highly useful -10dB pad button), the Gemini II produces professional quality results every time.

I am incredibly impressed by the seemingly contradictory combination of warmth, crispness and definition that was captured in the tracks by the sE Gemini and Reflexion Filter Pro...the songs we were working on had dense arrangements yet the sax cut through without ever sounding abrasive or disconnected from the rest of the was a beautiful, natural sound -­ we didn't even use any EQ.

- Don Was, Producer/Engineer (Bob Dylan, Bonnie Raitt, The Rolling Stones, Willie Nelson)

Dual valve design

At the heart of the Gemini II is a pairing that consists of the 12AX7 input valve, and a 12AU7 on the output stage, which allows the mic to capture a large yet detailed and intimate image. The mic offers ample presence across the lower frequency range without high frequency roll-off, so that none of the sparkling brilliance across the high-end is lost, affording the Gemini II the best of both worlds.

Durable sE Electronics' build quality

As we've come to expect from the team at SE Electronics, the microphone is built like a tank and more than comfortable at handling any task thrown its way - even in the most demanding of commercial studios. Each microphone is supplied in a wooden presentation box, with a custom shock mount and robust power supply, which all comes in a secure flight case so that no matter where you need to be, your Gemini II is safe to take with you.

ManufacturerSE Electronics
ModelGemini II Large Diaphragm Condenser Microphone
Weight (Mic) 1224g / 43.18oz
Weight (PSU) 1691g / 59.65oz
Connectivity XLR3F from PSU
Power RequirementExternal Power Supply Unit
Impedance200 Ohms
Tube Frequency Response 20Hz ~ 20kHz
Tube Sensitivity 35.48 mV/Pa (-29 dB)
Tube Polar PatternCardioid
Equivalent Noise Level19dB(A weighted)
Max SPL for 0.5% THD @ 1kHz135/145 dB
Pass Filter Switch150 Hz
Preattenuation Pad-10 dB
Included AccessoriesHeavy-duty Shock Mount, External PSU, Wooden Case, Flight Case
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