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OmnidirectionalCardioidBidirectionalSoundelux Elux251

Multi-Pattern Tube Condenser Microphone

The ELUX 251 recreates the sonic beauty of the fabled Telefunken ELAM 251, one of the finest and most sought after vintage mics ever built. Excellent bass simultaneously occurs with an open, airy top end, allowing the ELUX 251 a response extending well above and well below the normal range of a studio microphone. Its strong, powerful bottom and present, yet unabrasive top puts this mic leagues ahead of others; its quality and sound simply cannot be found in cheaper microphones.

The ELUX 251 carries on the Soundelux Microphones tradition of highest possible “old world build” quality with a reasonable price, using a hand built European capsule and time proven tube & transformer circuitry. All electronic components are point-to-point wired and each individual component in every microphone has been pre-screened for its sonic quality. The power supply actually lowers the noise floor well below the vintage standard, yet remains true to the original, unregulated supply.

The ELUX 251 provides true vintage quality performance with modern build. Years of studio experience and manufacturing know-how have gone into creating a product that will find everyday use in the most top-flight situations, and give the owner unparalleled pride of ownership.

(Note: historical sources disagree on numerous specifications, including sensitivity and frequency response. The PDF product description looks official but doesn’t mention 2 of the 3 polar patterns on the mic.)

Resolution

Initial impressions are of terrific build quality, and superb attention to detail… On male or female vocals it sounds absolutely stunning.

With the demise of the Soundelux line of microphones, designed David Bock has re-released this microphone under the name Bock Audio 251 (see link in sidebar).

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Specifications

Frequency Response - CardioidClick Graph to Compare!
Elux251 Cardioid Frequency Response Chart
Pickup Patterns Pads & Filters
Omnidirectional (15 mV/Pa; 20 - 20,000 Hz)
Cardioid (15 mV/Pa; 20 - 20,000 Hz)
Bidirectional (15 mV/Pa; 20 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
50 Ohms (Low) Max SPL: 138 dB
Weight Length Max Diameter Interface(s)
431g (15.20oz) 222mm (8.74'') 52mm (2.05'')
  • 3-pin XLR male (1)
Power Specifications
  • Includes tube power supply

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