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Hi,
I have a Kenwood KA-907 amp that has recently developed problems
(seemingly unrelated). First off, one channel (I believe it's the right
if I hooked it up correctly) has been cutting in and out and never
works at all unless the DC Coupling switch is thrown. The second
problem appears to be a mechanical problem with the on/off switch. For
a while, the off position wouldn't turn the amp totally off. I would
get no output but the power indicator light would be on. Now the switch
will physically not move down. This has all happened while the amp was
stationary and actually used rather rarely. My question is: are these
problems easily repairable and if so by who?

Additionally I'm running it through JBL L112 speakers which are killing
but the foam of the woofers of which is rapidly deteriorating (how's
that for syntax?). I've done some Googling which seems to suggest
replacing the foam might be more trouble than it's worth (I'm not
helpless with such repairs but I'm not exactly handy either). Do any
experts have opinions on whether it's worth it? If not, what are some
comparable modern speakers?

Final question that may be a bit OT: very generally, are there any
really great headphones that can be had for under $100? I'm just
looking to use them for general listening (primarily jazz, some
"classical" and some pop).

Thanks!

-Adam

[Harry Lavo]

wrote in message ...
Hi,
I have a Kenwood KA-907 amp that has recently developed problems
(seemingly unrelated). First off, one channel (I believe it's the right
if I hooked it up correctly) has been cutting in and out and never
works at all unless the DC Coupling switch is thrown. The second
problem appears to be a mechanical problem with the on/off switch. For
a while, the off position wouldn't turn the amp totally off. I would
get no output but the power indicator light would be on. Now the switch
will physically not move down. This has all happened while the amp was
stationary and actually used rather rarely. My question is: are these
problems easily repairable and if so by who?

I'll leave this one to others more technically adept.

Additionally I'm running it through JBL L112 speakers which are killing
but the foam of the woofers of which is rapidly deteriorating (how's
that for syntax?). I've done some Googling which seems to suggest
replacing the foam might be more trouble than it's worth (I'm not
helpless with such repairs but I'm not exactly handy either). Do any
experts have opinions on whether it's worth it? If not, what are some
comparable modern speakers?

Lots of good modern speakers, but if you like the L112's, refoaming is just
not that difficult. I think you should definitely consider this.


Final question that may be a bit OT: very generally, are there any
really great headphones that can be had for under $100? I'm just
looking to use them for general listening (primarily jazz, some
"classical" and some pop).

I use a pair of Koss Pro 4aa's for listening to jazz late night...very fine.
The phones are fairly heavy, and may become fatiguing after an hour and a
half or so, but I know of nothing at the price that sounds better ($79 at
J&R Music World). BTW, I also use these phones for mastering when I do
recording, and find them highly accurate. If you like your sound bright,
you can buy Sony 7306 phones at J&R, Musicians Friend, etc. for $99. They
are popular in recording studios for pop musicians, but have a reputation
for brightness and I personally could not live with them, having tried them.

Hope this helps.

Thanks!

-Adam