Question about Technics SUV500 2-Channel Amplifier
I've just bought a second hand SU-V460. Got it set up to play my SL-210 decks through a mixer. I've got the mixer running in through the Aux. The speakers are wired up to the B channels which is working but the volume doesn't make a difference whether it's on full, off or inbetween, so I'm controlling it on the mixer. I first of all set up the speakers on the A channel woke up this morning and was just playing through one speaker (whether you changed the balance or not). Slightly worrying, any ideas?
Problem with older equipment is that mechanical switches corrode. Try some tuner cleaner on switches. One side cutting out may require the speaker leads (inside the cone of speaker) to be re tinned. Old speakers and lossa mileage cause solder to break up into powder. Re tinning the flexible link (looks much like a wick) allows that electricity to get into the speaker coil. If all else fails those old TV repair shops actually do have real techs that can fix it. Not like the current Geek Squad type of replace replace reboot replace type of tech. Good luck. Ed
Posted on Jan 05, 2009
If you have no control over the volume make sure the "power amp direct button" is not pressed in, this is located to te left of the volume control on the front.
although sometimes it can be handy to control your volume using the mixer saves reaching for the amp. but it can draw more current on that electricity bill.
this amp is a 450w amp, i have the same one :)
Posted on Jan 05, 2008
Hi There, you need to eliminate all the connection and surplus items around the SUV-460 amplifier to determine if its the amp or not..
That is disconnect every thing then connect just the speakers and an input to the amp like a CD player or radio input. Then see if the amplifier plays OK thru the speakers on both channels and the balance control works fine....If it doesnt then the fault is inside the SUV-460 but if it all works fine than start reconnecting theemixer panel carefully and recheck all your cables and connections. Its a process of elimination to determine if its a "Box" fault or a cable fault...
Cheers From YUBEUT
Posted on Nov 16, 2007
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Posted on Jan 02, 2017
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