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Parasound A21 help?

I just received a used Parasound A21 amp and I am having a problem. I am not getting sound from the amp. I have gone through a quick check and have determined that the amp is not getting even slightly warm when powered on. I have the switch on the back set for manual turn on and when I turn on (push) the front switch it lights up blue and the parasound light in the top center changes from bright red to dim. The owners manual says the power switch should go red then change to blue when turned on. It doesn't. I have let it sit for about 20 minutes and no warmth. Would the lights come on at all if the fuse on the rear panel was bad? Should the amp get warm without any connection except the power cord? Any ideas?
tide

Showing 1 response by georgehifi

georgehifi's avatar
georgehifi
10,312 posts
 
Of course, you can get better audiophile fuses, but they definitely cost a lot of money.
>$100 for no gain in sound quality over a good quality normal fuse, just get a good industry standard $2 fuse of the same amp/size rating, as almarg has given a link to.
http://www.digikey.com/products/en/circuit-protection/fuses/139

Fuses do deteriorate over time with switch on surges as these pics show.
https://i.stack.imgur.com/0uqWX.jpg


Cheers George
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