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Guangzhou Shiyang Audio Equipment Co., Ltd. (formerly Longda Audio)
contact number:
020-39961785
020-80548919
Mr. Meng: 13570481619
Miss Meng: 18924295929
Mr. Wang: 18824572533
Fax number: 020-80548919
Address: Panyu District, Guangzhou City Shiji Longbang Industrial Zone 3

DETAIL INFO
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Model:MA series
According to the professional design, patent layout, safety, simple and beautiful 

Select MOTOROLA laminate tube expanding current output, components 

Carefully selected match, made careful, model is complete 
DETAIL INFO

Technical parameters

  MODE 重量
EIA
AC230V
Output power
1KHz
Max THD1%
Test Mono
MA250 250W 400W 15kg
MA350 350W 500W 16kg
MA450 450W 700W 17kg
MA500 500W 900W 18kg
MA600 630W 1000W 20kg
input sensitivity OdB(0.775Vrms)/1.4V/26dB
30KOHM(balanced,stereo)
15KOHM(balanced,parallel)

Frequency response

20-20000Hz(±0.3dB)

Conversion rate

≥30V/us

Damping coefficient

≥300:1

Channel separation

>70dB@1KHZ

Signal to noise ratio

>100dB

Total harmonic distortion (THD+N)

<0.1%1KHz

Intermodulation distortion (IMD)

<0.2%8Ω,1KHz@1W

Case size (WHXxD)

483x88x440mm
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