Comparison of Avantone Pro CK-33 and Sterling Audio ST59 FET

Attribute	Avantone Pro CK-33 ×	Sterling Audio ST59 FET ×
Phantom Voltage (V)	48.00	48.00
Interfaces	3-pin XLR male	3-pin XLR male
Requires Phantom Power	+	+
SPL/Self-Noise Ratio	8.11	6.55
Max Diameter (mm)	46	46
Filters	-	HPF: -12dB/octave @ 75 Hz
Weight (g)	750	680
Capsule Diameter (mm)	32	32
Impedance (Ohm)	200	200
Sensitivity (mV/Pa)	10	32
Range (Hz)	20 - 20,000	20 - 18,000
Pickup Pattern	X/Y Stereo	Bidirectional Cardioid Omnidirectional
Brand	Avantone Pro	Sterling Audio
Name	Avantone Pro CK-33	Sterling Audio ST59 FET
Diaphragm Gauge (micron)	-	3
Length (mm)	240	190
Pads	-	-10dB Pad
Self-Noise (dB)	18	22
Diaphragm Diameter (mm)	-	26
Sound Pressure Level (SPL) (dB)	146	144