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OmnidirectionalCardioidBidirectionalPearl Microphone Laboratory TL 4

Multi-Pattern Condenser Stereo Microphone

The TL4 is a high-output version of the Pearl TL44. Both are 180-degree “stereo” FET condenser microphones with Pearl’s proprietary Model 2800 rectangular capsule.

The TL4 shares the TL44’s capsule, body, and amplifier circuitry, with the following differences:

  • Its sensitivity is 120 mV/Pa, as compared to the TL44’s more typical 16 mV/Pa. The TL4 could be run without a preamp in many situations. Its output is approximately 20dB higher than the TL44’s.
  • The TL4 has higher output impedance, around 500 Ohm, whereas the TL44 is rated at 100 Ohm. The TL4 therefore should not be used with long cable runs.
  • Self-noise on the TL4 is 4dB higher, at 18dBA.
  • For more information on the mic, see the TL44 profile.

    The Pearl Microphone Laboratory TL 4 is also known as: TL4.

    The mic was released in 1985.


    Frequency Response - OmnidirectionalClick Graph to Compare!
    TL 4 Omnidirectional Frequency Response Chart
    Frequency Response - CardioidClick Graph to Compare!
    TL 4 Cardioid Frequency Response Chart
    Pickup Patterns Pads & Filters
    Omnidirectional (120 mV/Pa; 30 - 22,000 Hz)
    Cardioid (120 mV/Pa; 35 - 20,000 Hz)
    Bidirectional (120 mV/Pa; 40 - 16,000 Hz)
    Capsule Dimensions Impedance SPL/Noise
    Diaphragm diameter: 14mm
    Capsule diameter: 29mm
    500 Ohms (Low) Max SPL: 126 dB
    Self-noise: 18.0 dB(A)
    Weight Length Max Diameter Interface(s)
    260g (9.17oz) 145mm (5.71'') 31mm (1.22'')
    • 5-pin XLR male (1)
    Power Specifications
    • Requires phantom power
    • Phantom voltage: 48v

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