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Groove Tubes GT30

Large-diaphragm Cardioid Condenser Microphone with 0.75" Diaphragm, -15dB Pad, and 75Hz Low-frequency Roll Off Switch

Item ID: GT30

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  • Sale Price: $320.00
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An FET Mic from Groove Tubes

The Groove Tubes GT30 microphone is a true condenser, with the same capsule design and options as the GT44, except Groove Tubes uses a warm Class A FET circuitry that operates on standard +48v. It incorporates all of the features of the popular GT44 with FET circuitry replacing the tube for a great all around mid-sized diaphragm microphone at a modest price. Includes hard mount and a hard mic case.


Groove Tubes GT30 Condenser Microphone Features:
  • Extremely linear sonic characteristics excellent for overhead vocal groups,voiceover and large choirs
  • Medium sized all-brass capsule
  • Top address design
  • User-interchangeable capsules with C1 Cardioid capsule standard (and C2 Hyper-Cardioid and C3 Omni are optionally available)
  • The ultimate instrument recording mic with exclusive mid-size 0.83" all-brass capsule with a 0.75" very thin 6 micron Gold evaporated Mylar diaphragm design
  • Warm sounding, low-noise,Class A FET electronics
  • -15db attenuation pad
  • 75Hz low frequency roll off switch
  • Custom-wound nickel core output transformer gives complete isolation and low distortion
  • Black nickel-plated all-brass body
  • Stainless steel head and grille assembly
  • HM2 swiveling hardmount included
  • Moisture resistant aluminum storage case included
  • Optional SM3 shockmount available
  • High Pass Filter Switchable 75Hz, 12dB/octave
  • Attenuation Pad Switchable -15dB
  • Frequency Response 20Hz - 18kHz
  • Equivalent Noise 20dB SPL - A weighted
  • Sensitivity 26mV/Pa
  • Maximum SPL 140dB-155dB (adjustable w/pad)
  • Maximum Output 3.2V RMS for 1% THD
  • Typical Load Impedance >500 ohms
  • Output Source Impedance 200 ohm transformer isolated
  • Dimensions 7.5" long, 0.85" max.dia.
  • Weight 12 oz.(0.4kg)

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Groove Tubes GT30

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