Comparison of Ningbo Alctron Electronics Co., Ltd. HRM-1 and RØDE Classic II Limited

Attribute	RØDE Classic II Limited ×	Ningbo Alctron Electronics Co., Ltd. HRM-1 ×
Diaphragm Diameter (mm)	25	-
Includes Tube Power Supply	+	-
Diaphragm Gauge (micron)	5	-
Name	RØDE Classic II Limited	Ningbo Alctron Electronics Co., Ltd. HRM-1
Weight (g)	1,440	1,230
Interfaces	3-pin XLR male	3-pin XLR male
Brand	RØDE	Ningbo Alctron Electronics Co., Ltd.
Range (Hz)	20 - 20,000	30 - 18,000
Sensitivity (mV/Pa)	14	1.7
Sound Pressure Level (SPL) (dB)	131	165
Impedance (Ohm)	200	200
Self-Noise (dB)	18	18
SPL/Self-Noise Ratio	7.28	9.17
Max Diameter (mm)	65	69
Filters	HPF: -15dB/octave @ 100Hz HPF: -21dB/octave @ 100Hz	-
Pickup Pattern	Cardioid Omnidirectional	Bidirectional
Pads	-10dB -20dB	-
Length (mm)	201	185