The TEF04 Omnidirectional Microphone
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The TEF04(tm) is a omni directional, ½" diameter, electret condenser microphone suitable for General Purpose acoustical measurements and Pro Audio applications where a free field omni pattern is specified. The TEF04 provides levels of accuracy that meet the frequency response specifications of our more expensive titanium diaphram TEF05A mics, while providing the ruggedness of a mylar diaphram for field use. The mic circuit has been designed to to operate on phantom voltages from the 12VDC utilized by many RTA's to the 48VDC provided by mixing consoles and devices such as the TEF25 analyzer. Manufactured by Gold Line in the USA, the precision machined stainless steel body provides exacting dimensions suitable for use with Acoustic Calibrators. The TEF04 is standard equipment in the Gold Line's ProKIT Measurement Systems.

TEF04
TEF04

Typical Polar Plot
TEF04 Polar Plot

Typical Frequency Response
TEF04 Frequency Response

SPECIFICATIONS
Frequency Range: 20Hz to 15kHz ± ½ dB
15kHz to 20kHz ±1dB
Pickup Pattern: Omnidirectional
Open Circuit Sensitivity: 9.1mV / Pa
Impedance: 20 ohms
Maximum SPL: 123dB SPL
Output Connector: XLR 3 Pin male. Pin (1) ground, Pin (2) Hot, Pin (3) Neutral.
Power Requirement: 12 - 48V phantom
Size (L x Dia); Weight: 6¼" x 3/4" body, ½" capsule housing; 5oz.
Material: Stainless Steel
Supplied With: Foam Padded Carry Case*, Mic Clip*, Wind Screen*, Frequency Plot and Serial Number.
* When purchased as TEF04P (stand-alone microphone).
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To speak with the TEF Sales Department, call 203-938-2588.