[Jukebox-list] Seeburg AY160 SHFA1 amplifier sounds bad

[Gregor Anich]

I cannot really help - I'll just say something in case you forgot to think of 
it: Make sure your speakers aren't connected out of phase!

- greg

On Monday 24 September 2007 00:55:26 Genron wrote:
> Tubes are OK, i allready swapped them with others that i had and theres no
> difference in changing. The switch is there and it's in the NO position,
> the speakers are connected trough the normal connector ont the amp. (not
> the 70cvc conection)
>
> I will go for the resistors and change the leftover caps, should I change
> those caps on the BASS potmeter also? I will keep intouch if the resistors
> where the cause, just to let other people know also in case they get a same
> kind off problem.
>
>
> Thanks again,
> Didier.
>
>   ----- Original Message -----
>   From: Ron Rich
>   To: Jukebox mailing list
>   Sent: Monday, September 24, 2007 12:46 AM
>   Subject: Re: [Jukebox-list] Seeburg AY160 SHFA1 amplifier sounds bad
>
>
>   You are welcome.
>     Does that model jukebox have a switch on the crossover network box? If
> so, and you are not using 70vcv speakers, that switch should be in the "no"
> position. Some of the "AVC" caps can affect the audio, even without the
> tubes. As for resistors--can be anything--but I seem to remember the 470k's
> as being prone to problems in that model. No"easy way" that I know of,
> other then to check voltages. I assume that the tubes ar good, and the
> correct ones??
>     Ron Rich
>
>   Genron <genron at telenet.be> wrote:
>     Thanks Ron,
>   the only caps i did not change are those on the BASS potmeter and some on
> the AVC circuitry only because i thought these would not harm because they
> seem to be ceramic ones and i allready changed about 30 caps or more now,
> the resistors could be a way to go for.
>
>   Any quick way (or particular ones) to check these (resistors) or just the
> hard way and measure them all?
>
>   I just filled the juke with records and played several ones, the needles
> do seem OK to me, the sound varies offcourse from record to record but it
> certainly does not satisfy my needs, I want better quality.
>
>   The sound is to flat, it does not get deep, seems to get no harmony, i
> can't find the right words for it. Hope i get it ok, i just love the juke.
>
>   thanks a lot for the help,
>   kind regards,
>   Didier.
>
>
>   ----- Original Message -----
>   From: Ron Rich
>   To: Jukebox mailing list
>   Sent: Monday, September 24, 2007 12:09 AM
>   Subject: Re: [Jukebox-list] Seeburg AY160 SHFA1 amplifier sounds bad
>
>
>   If you did not change ALL of the caps, that could be part of your
> problem. Also, you need to check that none of the resistors have canged
> value. I really doubt that changing the cartridge would help. As for the
> needles, if the both sound the same playing (the same) one record, I'd
> guess that they are OK--Ron Rich
>
>   Genron wrote: Hello, first i would like to mention that when the juke
> came in I had no bass at all on the juke. The amplifier is a SHFA1, looking
> at some of the capacitors and theire age I assumed it could not go worse to
> change them. So this has been done now and i must say I got the amp
> sounding a little better now but it does not sound as that good to me. The
> BASS is better but I heard other jukes with a much better BASS.
>
>   My juke sounds like there's no Middle sound now, I have some BASS but
> when i go louder it dissapears and the juke sounds to HIGH, it hearts oure
> ears.... By the way, i bought the juke missing the 2 AVC bulbs 6BJ6 but i
> assume this does not affect the sound......while playing.
>
>   Some younger recordes like from the 80's sound good but more used ones
> like from the 60's - 70's sound bad, this is why i am thinking on changing
> the cartridge and needles, anyone thinking the same???
>
>   Also I did not check for the speakers i assume these are good, schould I
> have a look at those also or not needed?
>
>   ANYONE that can help me further on this item.
>
>   Thanks a lot.