Comparison of Sony C38B and Telefunken Elektroakustik Ela M 251E

Attribute	Sony C38B ×	Telefunken Elektroakustik Ela M 251E ×
Impedance (Ohm)	250	200
Sound Pressure Level (SPL) (dB)	140	138
Has Battery Compartment	-	-
Length (mm)	214	216
Requires Phantom Power	+	-
Diaphragm Diameter (mm)	-	25
Sensitivity (mV/Pa)	4.5	12
Max Diameter (mm)	46	51
Brand	Sony	Telefunken Elektroakustik
Pickup Pattern	Cardioid Omnidirectional	Bidirectional Cardioid Omnidirectional
Name	Sony C38B	Telefunken Elektroakustik Ela M 251E
Weight (g)	650	567
Diaphragm Gauge (micron)	6	6
Self-Noise (dB)	24	16
Range (Hz)	30 - 18,000	80 - 16,000
SPL/Self-Noise Ratio	5.83	8.62
Pads	-8dB	-
Interfaces	3-pin XLR male	3-pin XLR male
Filters	-6dB/octave 7kHz roll-off Low cut 100Hz low cut 200Hz low cut 500Hz	-
Phantom Voltage (V)	48.00	-
Capsule Diameter (mm)	33.8	32
Includes Tube Power Supply	-	+
Battery compartment type	9V	-