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3D TV, High Definition Television, HDTV 4K and AV
Hi Fi section
Phono Stage noise on my amp
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<blockquote data-quote="Vipersan" data-source="post: 992572" data-attributes="member: 325666"><p>Can't say I have any ideas without having access to the equipment ..</p><p>Having said that ..</p><p>IF the amp is producing any noise at all with no inputs connected 'white'..'ticking' or otherwise ...and is on BOTH channels ...then I would suspect inadequate decoupling in the amps internal power supply ..</p><p>IF the noise is single channel Left or Right Specific ...then one has to be suspecting breakdown of one or more components within that channel preamp/phono amp ...and only really analysis with a 'scope probing along the chain would identify the source ..</p><p>Since the Turntable has a built in Magnetic Cartridge Pre amp ...why not ignore the amps phono input ...and use one of the main amps aux inputs ..</p><p>IE let the turntable act as pre- pre amp ...thus delivering a clean 200 ..mv-ish signal to the amp via a different route..</p><p>Otherwise ..I suspect you will need a Technician with suitable gear to fault find..</p><p>best of luck ..</p><p>VS</p></blockquote><p></p>
[QUOTE="Vipersan, post: 992572, member: 325666"] Can't say I have any ideas without having access to the equipment .. Having said that .. IF the amp is producing any noise at all with no inputs connected 'white'..'ticking' or otherwise ...and is on BOTH channels ...then I would suspect inadequate decoupling in the amps internal power supply .. IF the noise is single channel Left or Right Specific ...then one has to be suspecting breakdown of one or more components within that channel preamp/phono amp ...and only really analysis with a 'scope probing along the chain would identify the source .. Since the Turntable has a built in Magnetic Cartridge Pre amp ...why not ignore the amps phono input ...and use one of the main amps aux inputs .. IE let the turntable act as pre- pre amp ...thus delivering a clean 200 ..mv-ish signal to the amp via a different route.. Otherwise ..I suspect you will need a Technician with suitable gear to fault find.. best of luck .. VS [/QUOTE]
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3D TV, High Definition Television, HDTV 4K and AV
Hi Fi section
Phono Stage noise on my amp
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