JZ Microphones BT-201-3 Small Diaphragm Condenser Microphone

JZ Microphones BT-201-3 Small Diaphragm Condenser Microphone Overview:

BT201-3 is a small diaphragm condenser microphone, offering choice of 3 capsules that satisfy the demands of all common studio and live applications - cardioid, open cardioid and open cardioid -20db option capsules. Matched pair is available to provide balanced stereo recordings.

Specifications:

• Transducer type: electrostatic 
• Operating principal: pressure gradient 
• Diaphragms active diameter: 13 mm 
• Frequency range: 20 Hz to 20 kHz 
• Polar pattern: cardioid, open cardioid, omni 
• Pad switch: -20dB (BT-P capsule)
• Output impedance: 50 ohms 
• Rated load impedance: >1000 ohms 
• Suggested load impedance: >250 ohms 
• Sensitivity at 1000 Hz into 1000 ohms load: 11 mV/Pa 
• S/N Ratio CCIR 468-3 weighted: 71 dB 
• S/N Ration DIN/IEC 651 A-weighted: 82db-A 
• Equivalent noise level DIN/IEC A-weighted: 12 dB-A 
• Maximum SPL for 0.5% THD at 1000 ohm load: 140dB
• Dynamic range of the microphone preamplifier: 128 db 
• Phantom powering voltage on pins 2 & 3 of XLR: +48 V (+/-4V) 
• Current consumption: 2 mA 
• Output connector: 3-pin XLR male, gold plated contacts
• Signal polarity: positive toward pressure on a frontal diaphragm produces positive polarity voltage on XLR pin #2 relatively to pin #3 
• Dimensions: 161.5 mm length x 24 mm
• Weight: 140g together with magnetically attached head

pressure gradient