DIY Kits LM1875 Dual Parallel Output HIFI Fever Power Amplifier Board Kits

Description

DIY Kits LM1875 Dual Parallel Output HIFI Fever Power Amplifier Board Kits without Heat Sink
Description:
The classic LM1875 IC is playing for decades, the sound is delicate and consistent is recognized, but the output current is low, power is not, and had to let a lot of friends to give up, the general LM8175 single output is 4A current, the official Indicators, drive sensitivity is low, eat the amount of speakers, with BTL useless, the driving force will be powerless, the use of parallel output, you can drive the current multiplier increased to 8A current, so the sound field is better, more full and low frequency, power also Enhance, more practical.
1: the use of imported genuine LM1875T
2: 25A rectifier + NOVER gold 35V10000UF filter AUDIO capacitor
3: with output protection circuit, protection relay with imported Omron series
4: with large output inductance
Specifications:
Input voltage: AC double 12-18V (recommended voltage 15-0-15 foot power more than 150W transformer)
Size: 123MM * 76MM * 40MM high
Thickness: 1.6MM double-sided sheet
Note: PCB no circuit diagram, but with on-board component parameters, according to the parameters can be directly assembled (only for the professional design, thank you)
Package:
1 x   Tong-LM1875-50W+50W
Shipping Notice
Country
Shipping time by
Registered Air Mail
or
E-packet
delivery
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United States
5-15 business days
3-7 business days
Japan, South Korea
5-20 business days
3-7 business days
United Kingdom,Canada, Germany, Austria, Holland, Czech, EU
15-25 business days
4-7 business days
Spain, Russia, Italy, France, Mexico, Indonesia, Malaysia, India, South Africa, American & Asian countries
15-55 business days
5-15 business days
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Payment Method
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Shipping Method
1.
We ship to
USA by e-packet
delivery shipping method,t
o
other country by registered China Post Air Mail
, to most of countries, it takes 10-20 business days to arrive if no shipping delay is incured. but to some remote
countries,such as South America, Africa and East Aian countries, it may take longer time 40-60 days,so please be patient to wait.
2.If you need items urgently please paid for expedit shipping fee,then we will ship by fast shipping way such as Fedex, DHL, Aramex and EMS.
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.Or we will choose shipping way for you randomly.
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On Aug-22-18 at 20:37:08 PDT, seller added the following information: