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OmnidirectionalCardioidBidirectionalTelefunken Elektroakustik Ela M 251T

Multi-Pattern Tube Condenser Microphone

The Ela M 251 T is a variation on Telefunken Elektroakustik’s reissue of the reknowned Telefunken Ela M 251E, and is identical to the reissued 251E in all respects save two: the body color and the capsule.

Telefunken Electroakustik has gone to considerable expense to recreate the AKG CK-12 capsule; see the ElaM 251E profile for more information. In 2009, the company announced the development of a titanium/aluminum alloy called Alloy 2213, which when used in place of the gold-coated Mylar of their CK-12/TK-12 capsules yielded a sound described as “airy,” “delicate,” and “more detailed.”

Telefunken USA Ela M 251E CircuitThe Ela M 251 T retains the GE JAN 6072a tube, the Haufe transformer, and the modular assembly technique of the 251E. Note that the capsule pictured at right is the gold-diaphragm CK-12, not the titanium-alloy CK-13; the circuit is otherwise accurate.

The 251T ships with a wooden storage case for the mic, a historically-accurate power supply, a power cable, and a vintage suitcase.

For context, see Telefunken Elektroakustik’s entire line of ElaM 250/251 microphones:

ModelCapsuleTubePatternsPSUMSRP (2010)
Ela M 250CK-12AC-701Cardioid, OmniHistorical$13,495
Ela M 251CK-12AC-701Cardioid, Omni, Figure-8Historical$13,995
Ela M 250 ECK-126072aCardioid, OmniHistorical$10,495
Ela M 251 ECK-126072aCardioid, Omni, Figure-8Historical$10,995
Ela M 250 FTK-126072aCardioid, OmniModernn/a
Ela M 251 FTK-126072aCardioid, Omni, Figure-8Modern($5,995)
Ela M 251 TCK-136072aCardioid, Omni, Figure-8Historicaln/a

(MSRP current as of Nov, 2010)

Permalink: Telefunken Elektroakustik ElaM-251T

The mic was released in 2009.


Pickup Patterns Pads & Filters
Omnidirectional (12 mV/Pa; 20 - 20,000 Hz)
Cardioid (12 mV/Pa; 20 - 20,000 Hz)
Bidirectional (12 mV/Pa; 20 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Capsule diameter: 32mm
Diaphragm gauge: 6 microns
n/a Max SPL: 138 dB
Self-noise: 16.0 dB(A)
Weight Length Max Diameter Interface(s)
567g (20.00oz) 216mm (8.50'') 51mm (2.01'')
  • 3-pin XLR male (1)
Power Specifications
  • Includes tube power supply

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