Tannoy 3134 DC ZM-induced purchase, service and repair

Hi Andy

Plastic ring you’re working on…it is the trim (in pic) with gold lines on mine right against the surround? Didn’t know it was removable.

Any documentation you can provide about the whole tweeter ferrofluid service process would be very valuable I think.
 

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Yup, but since there was paint all over - including between the surroung and the plastic fantastic silicon valley thingie, it was very good the first one came loose. The other one came loose really easily.

That said, for a recone, it needs to come off. So it was easily removable, only fastened with a few strips of glue.

In retrosepct, I find drivers a lot like clothes: it can all come off. But sometimes a bit more effort is needed, and cleanup to be expected :rofl:
 
I have had good luck with Krylon fusion sticking on plastics. The only downfall is that it dries thin and is not forgiving for lack of prep work. I used to even use it on the backs of saltwater aquariums (glass) in an aquarium store I worked at. It held up surprisingly well in what I would consider a very caustic environment.
 
Yes, a fine suggestion! But since Skibladner was built in Sweden, maybe call them Oseberg??

https://no.m.wikipedia.org/wiki/Osebergskipet

In fact, I don’t think I have mentioned it earlier, but these used to tour with the national travelling theatre in Norway and play lounge music. So that is why they are beat up. But they have history, have spread much joy, and I plan on having them continue doing just that 🙂
 
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Hi, I’m trying to find the original specs for the 3149 but I can’t find those on the interweb.. I’ve measured the fs on one of my 3149 using scope and generator and it’s around 70hz. I’m pretty sure it’s suppose to be lower than that.
 
Hi, I’m trying to find the original specs for the 3149 but I can’t find those on the interweb.. I’ve measured the fs on one of my 3149 using scope and generator and it’s around 70hz. I’m pretty sure it’s suppose to be lower than that.
That cloth surround? 70hz Fs is nothing new to Mighty… just follow his lead. Alcohol, rat poison, the cure.
 
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Hi, I’m trying to find the original specs for the 3149 but I can’t find those on the interweb.. I’ve measured the fs on one of my 3149 using scope and generator and it’s around 70hz. I’m pretty sure it’s suppose to be lower than that.
38 is the factory facit according to this spec sheet from an old 3149 ad. Mine are supposed to be around the same, though now they measure 30hz. Need to retest whilst pressing the driver against the table, according to Mighty, iot get it absolutely correct. But a ballpark reading it is 🙂
 

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