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-   -   GSM Audio Amp: help required (http://www.diyaudio.com/forums/solid-state/138755-gsm-audio-amp-help-required.html)

amir_2000 17th February 2009 02:43 PM

GSM Audio Amp: help required
 
hello
i want to amplify the sound of mobile phone for wcich i am using lm380 2.5w audio amplifier
and 8ohms/1w speaker. when i play music from mobile phone the sound quality of amplifier is perfect
but when i connect to a gsm phone call the voice of the caller which is amplified is very bad quality
there is a lot of noise in the speaker so voice could not be hear properly. so please suggest me how can i get noise
free response from amplifier during a gsm call I am using mobile hand free for audio amp input and hand free sound is perfect


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