Comparison of MXL V63M Stereo and Neumann U 87 Ai

Attribute	Neumann U 87 Ai ×	MXL V63M Stereo ×
Interfaces	3-pin XLR male	5-pin XLR male
SPL/Self-Noise Ratio	10.58	6.5
Max Diameter (mm)	56	55
Sound Pressure Level (SPL) (dB)	127	130
Self-Noise (dB)	12	20
Pads	-10dB	-
Weight (g)	500	470
Capsule Diameter (mm)	34	22
Diaphragm Diameter (mm)	26	20
Sensitivity (mV/Pa)	28	15
Range (Hz)	20 - 20,000	20 - 20,000
Pickup Pattern	Bidirectional Cardioid Omnidirectional	X/Y Stereo
Brand	Neumann	MXL
Name	Neumann U 87 Ai	MXL V63M Stereo
Requires Phantom Power	+	+
Length (mm)	200	190
Phantom Voltage (V)	48.00	48.00
Impedance (Ohm)	200	200
Filters	HPF	-
Diaphragm Gauge (micron)	-	6