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IMF owners thread!

These are for a set of super compacts. I'll find some originals. At the moment I'm running the 4/200 in them. Cheers
 
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My TLS50s. Not super happy with them at the moment, i think of them as more of a work in progress. I got some Monacor mids from Falcon Acoustics to replace the wrong and mismatched mids that they came with.

I'm in love with the bass they produce, but the mids are lacking and the treble is almost always too much.
My collection of speakers is mostly British: Tannoy, Goodmans, Kef, Celestion, and Mission. Love them all, just not loving the IMFs...
Any input fellas?
 
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My TLS50s. Not super happy with them at the moment, i think of them as more of a work in progress. I got some Monacor mids from Falcon Acoustics to replace the wrong and mismatched mids that they came with.

I'm in love with the bass they produce, but the mids are lacking and the treble is almost always too much.
My collection of speakers is mostly British: Tannoy, Goodmans, Kef, Celestion, and Mission. Love them all, just not loving the IMFs...
Any input fellas?

Use a good quality high power amp. Recap the crossovers.

^^^This is the answer for practically any IMF of the 70's to 90's. While the design and execution was good for its day, the crossover caps need replacing, even the inductors could probably be replaced by better quality and maybe with air types with suitable attention to DCR, and the wiring upgraded. That and the selector switches for any contouring. The crossovers were a bit complicated.
 
I noticed that IMF used some kind of coating on Kef B110s midrange in RSPM MK4. What´s the purpose of it?
In case I have to replace my b110 (one is probably dying), can I use the regular B110s without coating or is the coating important?
 
Hi,you can use Visaton sppeaker damping liquid, Imf coat their mids to have a neutral sound and remove undesirable bad frequency (behavior)of some mids models.
 
Now that picasaweb is gone, anyone know how this would be translated or still around?

photos.google.com. Copy the image link and then put "?.jpg" after the "no" at the end of the link.

(I just read this whole thread over the span of a week. Acquired a pair of very close to mint TLS 50 MkII with the Elac EM101 (?) mids, surrounds came in from the Netherlands, will replace them and have the first listen hopefully this weekend!)
 
Hi all I've recently acquired a pair of IMF tls80's mk1 but they are sounding slightly harsh and I'm after s bit of information that hopefully you guys can clarify. I have recapped the speakers which did make a big difference.
Was the celestion 1300 the 8ohm or 16ohm variant? I have read many contradictory statements on the Internet and am really now not sure. I luckily have spares of both but wondering which one I should go with.
Can anyone confirm the phasing of the drive units? As in all in phase or so,e out of phase etc?
Thanks in advance
Nick
 
Acquired a pair of very close to mint TLS 50 MkII with the Elac EM101 (?) mids, surrounds came in from the Netherlands, will replace them and have the first listen hopefully this weekend!

Got them buttoned up and WOW! These speakers move me unlike any other speaker I've ever heard. They are unreal. All original capacitors to boot. These are lifetime speakers. I got them from the original owner who gave me the sales brochure from when he bought them new in Montreal.

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(I switched them to the correct positions after this pic)

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Looks like I may need a new supertweeter ... from what I've read it's a Coles 4001G? I see they can still be purchased new but I'd love to find a matching unit. Does anyone happen to have a spare? :(
 
Hi, this is not a Coles STW, IMF use a microphone kind install on a face plate. It is the same STW used on the on the Tls 50 mk 1, you have to contact Jerry at Façon Acoustics or someone at Wimslow in the UK because the meter reading on this is in the 20 IIRC. They surely have more experience to find à solution.
 
Oh thank you! I will do so. I have been speaking with Kate at Coles, I will apologize for my incorrect assumption that I have a Coles. Do you have any idea where these were sourced from? Well, I'll ask Jerry as well. Thank you.
 
Hi, this is not a Coles STW, IMF use a microphone kind install on a face plate. It is the same STW used on the on the Tls 50 mk 1, you have to contact Jerry at Façon Acoustics or someone at Wimslow in the UK because the meter reading on this is in the 20 IIRC. They surely have more experience to find à solution.

Hmm looks like a Coles to me, or at least very similar to it anyway. Definitely speak with Jerry, he'll be able to set you right. He also carries the replacement for it.
 
Hi, in IMF speakers only the Tls 50 have this STW, it have no visible magnet and it is encapsulated in kind of silicone.I always mention to this forum, I never see a pair of Tls 50 mk I or original MK II with a coles STW, Just looking at it I know is not. Maybe in the last run of production They have use it,but I have never see one pair with it.
 
Ok well on the bench just now it decided to give me a DCR of around 42 ohms but still wasn't testing continuous. Curious, I hooked some speaker wires up to it directly at a low volume, lo and behold it still works! Color me baffled. I will test the other to verify they are the same, at least, and maybe this has been a false alarm.
 
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