Pressure-Grandient Transducer With Single Membrance Capsule Microphone

Hyper-cardioid pickup pattrern providegood rejection.

Pressure-gradient transducer with single membrane capsule.

Transformerless circuit.

Switchable -10 dB pre-attenuation and low FQ roll-off.

Compatible with balanced or unbalanced system.

Specially designed for Central Goverment Office.

Natural and transparent acoustic features.

Specifications
Polar Pattern	Hyper-Cardioid
Frequency Range(Hz)	20-20,000
Sensitivity(dB)(1000Hz)	-38
Output Impedance(ohm)(1000Hz)	≤200
Max.SPL(dB)(1%THD@1kHz)	137
Equivalent Noise Level(dB)	21
Power Requirements	48V DC phantom power
Added Functions	-10dB; Low-Roll off
Size(mm)	Φ21*135

Who we are:

Beijing 797 Audio Co. Ltd was founded in 1953 as the first electric-acoustic manufacture in China mainland, we are now the biggest microphone factory in China for both domestic marketing and microphone export. As the microphone industry leader in China, most China national microphone standards are formulated by Beijing 797.

Our head office locate in Beijing downtown, about 20km away from PEK airport. Our own factory locate in Beijing suburb, about 70km away from our head office.

797 do OEM/ODM business in foreign marketing with many famous audio companies, most successful microphones you see or use are produced in our factory.

 

What we can provide:

With more than 60 years in electric-acoustic field, 797 have full set of product lines contain studio condenser microphones, USB microphones, Lightning microphones, dynamic microphones, electret microphones, measurement microphones, shotgun and boundary microphones, Karaoke microphones for smartphones, loudspeaker system and loudspeaker units, power amplifier and pre-amplifier etc. Besides finished products, we also supply microphone capsules, microphone parts, microphone accessories and packaging materials.

Our advantages:

• City class technique center, affirmed by the Beijing Economic and Trade Committee.

• Complete set of B&K electro-acoustic measuring instruments.

• The biggest anechoic chamber in Asia.

• 52 engineers, including electric engineer, mechanical engineer, acoustic engineer, production engineer, equipment engineer.

• 49 patents on microphones and loudspeakers.

• Well-developed industrial chain including die-casting, machining, painting, printing, laser engraving, products assembly and testing.

• Mature production technology and strict QC control can ensure quality, stability and best consistency.

 

797 AUDIO is one of the largest and professional pressure-grandient transducer with single membrance capsule microphone manufacturers and suppliers in China. We are equipped with a professional factory. Welcome to wholesale the customized microphone specially designed for 797 audio.