Comparisons / Comparison of Groove Tubes Convertible and Microtech Gefell M 990

Comparison of Groove Tubes Convertible and Microtech Gefell M 990 [S]ave

Attribute
Groove Tubes Convertible ×
Microtech Gefell M 990 ×
NameGroove Tubes ConvertibleMicrotech Gefell M 990
Pickup Pattern
  • Hypercardioid
  • Cardioid
BrandGroove TubesMicrotech Gefell
Range (Hz)20 - 18,00040 - 18,000
Sensitivity (mV/Pa)528
Length (mm)190185
Capsule Diameter (mm)21-
Impedance (Ohm)200200
Diaphragm Gauge (micron)66
Self-Noise (dB)2813
Sound Pressure Level (SPL) (dB)146119
SPL/Self-Noise Ratio5.219.15
Max Diameter (mm)2143
Interfaces
  • 3-pin XLR male
  • 3-pin XLR male
Weight (g)400400
Diaphragm Diameter (mm)1925
Includes Tube Power Supply-+
Requires Phantom Power+-



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