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Inca Designs 75 power amp
Inca Designs 75 power amp
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Old 11th January 2007, 10:16 PM   #1
chrisbp is offline chrisbp  United Kingdom
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Default Inca Designs 75 power amp

I purchased an Inca Designs 75 power amp on ebay recently. See link - http://cgi.ebay.co.uk/ws/eBayISAPI.d...4897&rd=1&rd=1

It sounds fantastic. There are two mono amp boards inside I can see through the mesh case - each of these has 3 LEDs. When I turn the amp on, all three LEDs are on on each board, but when i turn it off, one of the three LEDs on each board turns out almost instantly, but the others remain on for about 90 seconds (it will actualy play music for 1 min after being turned off!) the LED that turns off instantly is slightly brighter on one board than the other (only a tiny bit) - does anyone know what these LEDs represent / indicate? It the one in question to do with biasing or something. Does anyone know anything about this amp. It is a massive thing - and sounds soooooo nice.

Any feedback welcome.

Many thanks,

Chris.
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Old 20th January 2007, 09:10 AM   #2
chrisbp is offline chrisbp  United Kingdom
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Anyone? Im desperate for info!
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Old 20th January 2007, 09:30 AM   #3
Zen Mod is online now Zen Mod  Serbia
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Inca Designs 75 power amp
is it playing musak?
if yes,don't bother........they're probably just some eferences fro current sources or something

anyway-find schematic and all will be clear
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