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Telefunken ELA M 251 T

Telefunken introduces the ELA M 251 T, a microphone featuring the CK-13™ capsule. While based upon the classic ELA M 251 models, the ELA M 251 T adds a very modern twist.

TELEFUNKEN Elektroakustik introduces the new ELA M 251T, a microphone featuring the newly developed CK-13™ capsule. While based upon the classic ELA M 251 models, the ELA M 251T adds a very modern twist. That twist is the implementation of Alloy 2213™ as the diaphragm membrane material for the CK-13™ capsule. Alloy 2213™ is an amalgam of Titanium and Aluminum, which was originally developed for the aerospace industry.

Sonic Characteristic
Traditionally gold has been sputtered onto Mylar™ for the diaphragms of the historic CK-12 capsule. By employing Alloy 2213™, which is far more rigid than gold, the capsule that provides greater accuracy in the low frequency range by attaining a higher damping factor to the motion of the membrane. Alloy 2213™ is lighter than gold, and when combined with the edge terminated CK-12 system provides an "airy" and "delicate" representation of the upper frequencies. This affords the user a higher degree of detail in the recorded sound while still providing the depth of audio for which ELA M 251 microphones have been associated for decades.

Circuit Design
The TELEFUNKEN ELA M 251T includes an edge terminated, dual backplate CK13 capsule, a variation of the traditional CK12. The 251T is capable of cardioid, omnidirectional and bidirectional polar patterns, just like the ELA M 251E. The amplifier circuit features a premium New Old Stock ECC801S vacuum tube and a Haufe T14/1 output transformer, the same found in the 251E and C12.

Though the 251T shares the same basic vintage-accurate construction of the 251E, it is wrapped in a sleek sulfamate nickel-plated finish to reflect the proprietary capsule technology.

Each ELA M 251T microphone comes complete with M 950T power supply, M 850T 25' Sommer tube microphone cable, Rycote shockmount, FC50 locking flight case and WB50 wooden microphone box.
  • Type: Pressure Gradient Condenser
  • Capsule: CK13 - 25mm Dual Sided Alloy 2213 Sputtered Membrane
  • Tube Type: TELEFUNKEN ECC801S (NOS)
  • Transformer: Haufe T14/1
  • Polar Pattern: Cardioid, Omnidirectional, and Bidirectional
  • Frequency Range: 20Hz - 20kHz, ± 3 dB
  • Sensitivity: 11.5 mV/Pa, ± 1 dB
  • THD at 1kHZ at 1Pa (Amplifier): <0.15%
  • Output Impedance: 200
  • Maximum SPL (for 1% THD): 132 dB
  • S/N Ratio: 87dBA
  • Self Noise (Amplifier): 7dBA
  • Dimensions: 216 mm L x 50 mm Dia
  • Weight: 596 g
  • Current Draw from Mains: 80 mA
  • Power Supply: M 950T - 7 Pin Female XLR Input, 3 Pin Male XLR Output
  • Cable: M 850T - 25 ft Sommer Cable, Vintage Compatible 6 Pin Female Stand Mount, 7 Pin Male XLR
  • Wooden Box: WB50
  • Flight Case: FC50 - Vintage Style Locking Combination Flight Case, FC50S for Stereo Set
  • Reviews
    Free shipping in Canada. Conditions
    Additional information
    For more information about the ELA M 251 T, please visit the website of Telefunken
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