Comparison of Bock Audio 407 and Telefunken Elektroakustik R-F-T CU-29

Attribute	Bock Audio 407 ×	Telefunken Elektroakustik R-F-T CU-29 ×
Brand	Bock Audio	Telefunken Elektroakustik
Name	Bock Audio 407	Telefunken Elektroakustik R-F-T CU-29
Sensitivity (mV/Pa)	26	14
Pickup Pattern	Cardioid	Cardioid
Capsule Diameter (mm)	34	32
Range (Hz)	20 - 20,000	20 - 20,000
Impedance (Ohm)	200	200
Includes Tube Power Supply	+	+
Self-Noise (dB)	18	16
Sound Pressure Level (SPL) (dB)	118	138
SPL/Self-Noise Ratio	6.56	8.62
Max Diameter (mm)	52	44
Interfaces	3-pin XLR male	3-pin XLR male
Weight (g)	716	690
Diaphragm Gauge (micron)	6	6
Diaphragm Diameter (mm)	-	25
Length (mm)	216	203