Groove Tubes Specifications: GT33 FET CONDENSER MICROPHONE C A R D I O I D O M N I GT33 SPECIFICATIONS Preamp Topology Class A FET Polar Patterns Interchangeable Capsules • C1 Cardioid (standard) • C2 Hyper-Cardioid (optional) • C3 Omni (optional) 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 Ω Output Source Impedance 200 Ω transformer isolated Dimensions 7.5” long (19cm), 0.85” (2.1cm) max. dia. Weight 12 oz. (0.4kg) The ultimate instrument recording mic, it has our exclusive “user-friendly and interchangeable” Mid-size hand built capsule with a thin 6 micron Gold evaporated Mylar diaphragm offered in the 3 popular polar patterns. Our GT33 capsule is optimized for getting the most definition and detail out of all acoustic instruments like piano, drums and guitars...and its exclusive FET Class A electronics are so smooth and warm you might even think it’s a tube mic! C A R D I O I D H Y P E R Hyper-Cardioid (C2 Capsule) - Optional Cardioid (C1 Capsule) Standard Equipped Omni (C3 Capsule) - Optional www.groovetubes.com All specifications subject to change without notice 0305-JKC-GT33 GT33 FEATURES: • The ultimate instrument recording mic with our exclusive Mid-size 0.83" (21mm) all brass capsule with a 0.75" (19mm) very thin 6 micron Gold evaporated Mylar diaphragm design • Extremely linear sonic characteristics excellent for overhead vocal groups, voiceover and large choirs • User-interchangeable capsules with C1 Cardioid capsule standard,while C2 Hyper-Cardioid and C3 Omni are optionally available • Custom-wound nickel core output transformer gives complete isolation and low distortion • Warm sounding, low-noise, Class A FET electronics • 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

Groove Tubes Specifications - RecordingHacksrecordinghacks.com/pdf/groovetubes/GT33-cutsheet.pdf · Groove Tubes Specifications: GT33 FET CONDENSER MICROPHONE C A R D I O I D O M

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Page 1: Groove Tubes Specifications - RecordingHacksrecordinghacks.com/pdf/groovetubes/GT33-cutsheet.pdf · Groove Tubes Specifications: GT33 FET CONDENSER MICROPHONE C A R D I O I D O M

Groove Tubes Specifications:GT33 FET CONDENSER MICROPHONE

CARDIOID

OMNI

GT33 SPECIFICATIONSPreamp Topology Class A FETPolar Patterns Interchangeable Capsules

• C1 Cardioid (standard)• C2 Hyper-Cardioid (optional)• C3 Omni (optional)

High Pass Filter Switchable 75Hz,12dB/octave

Attenuation Pad Switchable -15dB

Frequency Response 20Hz - 18kHzEquivalent Noise 20dB SPL - A weightedSensitivity 26mV/PaMaximum SPL 140dB-155dB (adjustable w/pad)

Maximum Output 3.2V RMS for 1% THDTypical Load Impedance >500 ΩOutput Source Impedance 200 Ω transformer isolatedDimensions 7 . 5 ” long (19cm), 0 . 8 5 ” (2.1cm) max. d i a .Weight 12 oz. (0.4kg)

The ultimate instrument recording mic, it has our exclusive “user-friendly and interchangeable” Mid-size hand built capsule with a thin 6 micronGold evaporated Mylar diaphragm offered in the 3 popular polar patterns. Our GT33 capsule is optimized for getting the most definition anddetail out of all acoustic instruments like piano, drums and guitars...and its exclusive FET Class A electronics are so smooth and warm you mighteven think it’s a tube mic!

CARDIOID

HYPER

Hyper-Cardioid (C2 Capsule) - Optional

Cardioid (C1 Capsule) Standard Equipped

Omni (C3 Capsule) - Optional

www.groovetubes.com

All specifications subject to change without notice 0305-JKC-GT33

GT33 FEATURES:• The ultimate instrument recording mic with our exclusive

Mid-size 0.83" (21mm) all brass capsule with a 0.75" (19mm) very thin 6 micron Gold evaporated Mylar diaphragm design

• Extremely linear sonic characteristics excellent for overhead vocal groups, voiceover and large choirs

• User-interchangeable capsules with C1 Cardioid capsule standard,while C2 Hyper-Cardioid and C3 Omni are optionally available

• Custom-wound nickel core output transformer gives complete isolation and low distortion