[Jukebox-list] Ami Continental Tweeter distortion...

Sat Sep 8 05:36:09 PDT 2007

Turns out that the connections are all fine, I just needed to fix the loose 
connection. I soldered it back together. Now the sound has improved a lot.

Thanks for your help guys.

>From: "Nigel Pugh" <pughn at npsyssoft.force9.co.uk>
>Reply-To: Jukebox mailing list <jukebox-list at lists.netlojix.com>
>To: "'Jukebox mailing list'" <jukebox-list at lists.netlojix.com>
>Subject: RE: [Jukebox-list] Ami Continental Tweeter distortion...
>Date: Fri, 7 Sep 2007 19:54:40 +0100
>
>When those horns go, they usually produce no sound at all, as opposed to
>distort. Your crossover definitely needs sorting.
>Make sure the horn wires are connected to the correct terminals on the
>crossover. There is usually a High + - sticker.
>I have seen quite a lot of continentals with butchered crossovers.
>
>Nige
>
>-----Original Message-----
>From: jukebox-list-bounces at lists.netlojix.com
>[mailto:jukebox-list-bounces at lists.netlojix.com] On Behalf Of Daniel Gray
>Sent: 07 September 2007 12:27
>To: jukebox-list at lists.netlojix.com
>Subject: RE: [Jukebox-list] Ami Continental Tweeter distortion...
>
>Hello!
>
>I have plugged in a speaker to the amp and the noise is not there. So this
>has narrowed it down to speaker or crossover issues.
>
>I have had a closer look at the crossover and the connection is held
>together by an elastic band. I took this off and realised the terminal is
>actually broken/loose. Without the elastic band I don't get sound through
>the horn. Could this be the problem?
>
>It seems that the louder the volume, the distortion becomes more obvious. 
>At
>
>a low volume there is no distortion. This leads me to think that it is a
>problem with the horn itself...
>
>What do you guys think?
>
>Daniel
>
>
> >From: "Nigel Pugh" <pughn at npsyssoft.force9.co.uk>
> >Reply-To: Jukebox mailing list <jukebox-list at lists.netlojix.com>
> >To: "'Jukebox mailing list'" <jukebox-list at lists.netlojix.com>
> >Subject: RE: [Jukebox-list] Ami Continental Tweeter distortion...
> >Date: Thu, 6 Sep 2007 18:05:27 +0100
> >
> >Hi,
> >
> >Just read this one.
> >
> >Continental 1 should have a horn as opposed to a tweeter. To you know if 
>it
> >is the original horn, or a modern day piezo replacement ?
> >
> >If it's a piezo replacement, you will need to connect the 2 wires to
> >different tags on the amplifier auxiliary speaker outputs, as opposed to
> >connect directly to the wires of the original horn.
> >
> >Is it a lack of bass that is accentuating the high frequency output at 
>all
> >?
> >
> >Tey connecting a hi fi speaker to the output terminals on the amp, and 
>see
> >if it sounds ok through that speaker. That should eliminate speaker 
>issues
> >(and crossover - have you checked connections there) from amp/cartridge
> >issues.
> >
> >On the subject of the arm, the C1 does have the helper spring. If the
> >shrill
> >is only at certain points in the record then it could be that, the cut 
>off
> >switch, or tone arm cables binding a bit (replace them if original).
> >But my money is on speaker wiring / the treble speaker itself and its
> >connection, amp. Parallel your cartridge wires up i.e. join l+r + 
>together
> >and l+r - together.
> >
> >Hope that helps a bit,
> >
> >Nige
> >
> >-----Original Message-----
> >From: jukebox-list-bounces at lists.netlojix.com
> >[mailto:jukebox-list-bounces at lists.netlojix.com] On Behalf Of Ron Rich
> >Sent: 05 September 2007 16:54
> >To: Jukebox mailing list
> >Subject: Re: [Jukebox-list] Ami Continental Tweeter distortion...
> >
> >Daniel,
> >   Just a thought, or two--If it sounds crisp at times, I might think the
> >problem might be one or more of the following---needle tracking pressure?
> >Also be sure that the tone arm is not "pulling" the needle to one "side" 
>of
> >the NPAC. The arm MUST be totally free to follow the grooves in the 
>record.
> >Mounting angle of the NPAC?
> >   I can't re-call, does the tone arm have the "helper spring", or is it
> >supposed to have it, on that model?  If it sould be there and is not, 
>that
> >will affect the tone arm movement. The tone arm wire is always suspect 
>too.
> >Be sure it has not become too stiff.
> >   Hope that helps. Ron Rich
> >
> >Daniel Gray <dj_daniel88 at hotmail.com> wrote:
> >   Hi everyone,
> >
> >I've got an ami continetnal 1 which is in its very final stages of
> >restoration, but I want to fix this problem before I put it back 
>together.
> >When playing most records at some stages the tweeter sounds very bright 
>and
> >shrill on some frequencies. At first I could not tell if it was cabinet
> >vibrations or the tweeter, but I figured out it was definately coming 
>from
> >the tweeter.
> >
> >The amp has been rebuilt, and the cartridge has been changed to a 
>Pickering
> >NP/AC (if thats important?). I was going to take it to a speaker 
>re-coning
> >place but thought it would be better if I asked here first, in case it
> >could
> >
> >be something else. Anyone got any ideas??
> >
> >Thanks,
> >Daniel
> >
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