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IMF owners thread!

canuckaudiog said:
Welcome to the IMF Owners thread. Pull up a chair and stay a while. :beerchug:

There's a few of us kicking around here on AK. Of course you all know I'm a big IMF fan.

I've put together a bunch of resources for restoring IMF speakers in a post here.

I currently own the following:

IMF Reference Standard Professional Monitor Mk IV
2x IMF Super Compact, one will soon be modded to be like an IMF Super Compact II

I have owned the IMF TLS 50 II and IMF TLS 80 II in the past.

So what do you guys have or have owned in the past? Share your thoughts on this oddball brand as well. And of course, put up some pictures. :yes:

Here is a shot of when I had both the IMF TLS 50 II and IMF TLS 80 II:


You can see some of the non-original drivers in the second shot there, notably the square tweeter and the midrange driver. The bass woofer and tweeter are original. In the first shot you can see the crossover board of the IMF TLS 80 II that wasn't working, so this was basically the day I got the IMF TLS 80 II's.

Here's a shot of the TLS 50 II when I got original/replacement drivers:


Then I sold the IMF TLS 50 II's shortly after, and got my hands on the real prize.

Here they are in their original boxes, being hauled back to where they reside now:
dsc01127b.jpg


And here they are unboxed, at home:

Next to the IMF TLS 80 II (yeah, I thought that was a big speaker!):

The box label:

The distributor for IMF speakers in Canada was in Quebec. :)

Then, an AKer gave me this set of IMF Super Compacts to me for free (yes, I couldn't believe it). One tweeter was shot and they were completely original, but after $200 in parts and some elbow grease I got them back to factory spec:

Picture removed due to being huge!! will repost

And then my latest IMF pick-up, another set of IMF Super Compacts from another AKer. Price wasn't as good as the first set but still very good. :)

DSC01970.JPG


The above isn't my picture, but the AKer's picture of them (hope ya don't mind :) ). When they come home, hopefully this week or the next, I'll put up some of my own pictures.

So, share your IMF's. :)
Click to expand...

Hey thanks for posting this . I'm brand new to IMF speakers. Had never heard of them until a pair popped up for sale near me. Was lucky enough to pick them up. I'm very happy to see this page, as I'll likely need to do some refreshing on them before they got too much work.
canuckaudiog said:
Welcome to the IMF Owners thread. Pull up a chair and stay a while. :beerchug:

There's a few of us kicking around here on AK. Of course you all know I'm a big IMF fan.

I've put together a bunch of resources for restoring IMF speakers in a post here.

I currently own the following:

IMF Reference Standard Professional Monitor Mk IV
2x IMF Super Compact, one will soon be modded to be like an IMF Super Compact II

I have owned the IMF TLS 50 II and IMF TLS 80 II in the past.

So what do you guys have or have owned in the past? Share your thoughts on this oddball brand as well. And of course, put up some pictures. :yes:

Here is a shot of when I had both the IMF TLS 50 II and IMF TLS 80 II:


You can see some of the non-original drivers in the second shot there, notably the square tweeter and the midrange driver. The bass woofer and tweeter are original. In the first shot you can see the crossover board of the IMF TLS 80 II that wasn't working, so this was basically the day I got the IMF TLS 80 II's.

Here's a shot of the TLS 50 II when I got original/replacement drivers:


Then I sold the IMF TLS 50 II's shortly after, and got my hands on the real prize.

Here they are in their original boxes, being hauled back to where they reside now:
dsc01127b.jpg


And here they are unboxed, at home:

Next to the IMF TLS 80 II (yeah, I thought that was a big speaker!):

The box label:

The distributor for IMF speakers in Canada was in Quebec. :)

Then, an AKer gave me this set of IMF Super Compacts to me for free (yes, I couldn't believe it). One tweeter was shot and they were completely original, but after $200 in parts and some elbow grease I got them back to factory spec:

Picture removed due to being huge!! will repost

And then my latest IMF pick-up, another set of IMF Super Compacts from another AKer. Price wasn't as good as the first set but still very good. :)

DSC01970.JPG


The above isn't my picture, but the AKer's picture of them (hope ya don't mind :) ). When they come home, hopefully this week or the next, I'll put up some of my own pictures.

So, share your IMF's. :)
Click to expand...
canuckaudiog said:
Welcome to the IMF Owners thread. Pull up a chair and stay a while. :beerchug:

There's a few of us kicking around here on AK. Of course you all know I'm a big IMF fan.

I've put together a bunch of resources for restoring IMF speakers in a post here.

I currently own the following:

IMF Reference Standard Professional Monitor Mk IV
2x IMF Super Compact, one will soon be modded to be like an IMF Super Compact II

I have owned the IMF TLS 50 II and IMF TLS 80 II in the past.

So what do you guys have or have owned in the past? Share your thoughts on this oddball brand as well. And of course, put up some pictures. :yes:

Here is a shot of when I had both the IMF TLS 50 II and IMF TLS 80 II:


You can see some of the non-original drivers in the second shot there, notably the square tweeter and the midrange driver. The bass woofer and tweeter are original. In the first shot you can see the crossover board of the IMF TLS 80 II that wasn't working, so this was basically the day I got the IMF TLS 80 II's.

Here's a shot of the TLS 50 II when I got original/replacement drivers:


Then I sold the IMF TLS 50 II's shortly after, and got my hands on the real prize.

Here they are in their original boxes, being hauled back to where they reside now:
dsc01127b.jpg


And here they are unboxed, at home:

Next to the IMF TLS 80 II (yeah, I thought that was a big speaker!):

The box label:

The distributor for IMF speakers in Canada was in Quebec. :)

Then, an AKer gave me this set of IMF Super Compacts to me for free (yes, I couldn't believe it). One tweeter was shot and they were completely original, but after $200 in parts and some elbow grease I got them back to factory spec:

Picture removed due to being huge!! will repost

And then my latest IMF pick-up, another set of IMF Super Compacts from another AKer. Price wasn't as good as the first set but still very good. :)

DSC01970.JPG


The above isn't my picture, but the AKer's picture of them (hope ya don't mind :) ). When they come home, hopefully this week or the next, I'll put up some of my own pictures.

So, share your IMF's. :)
Click to expand...
Hey Canuck,

Thanks for starting this up and looks like you did a fair amount of work here. Think I'll be using lots of the info. I had never heard of IMF speakers. Must be fairly rare here in the US. But a set popped up for sale. And I was lucky enough to be the first to meet with the seller. They'll need a bit of work & restoration to get them up and running properly. But from first impression, they sounded pretty amazing. Looking forward to being part of the community here.

Mark
 
tmarx said:
Does Audio Karma have awards for procrastination? If so, I might be a candidate.

I posted about scoring an original pair of IMF ALS-40II's back in March 2014, and have finally "finished" them. The cabinets have been sanded and oiled. I built custom mass loaded stands to get them to the correct height. Electrical and mechanical refurbishing includes new Alcaps and tweeter diaphragms from Falcon, new Ohmite resistors, all new wiring, modern binding posts, and new foam surrounds on the mids. I was also able to repair a patch of doping material that had lifted from one Elac mid-woofer by dabbing the area with acetone to "wet" the material and re-attach it.

Thanks to all who contributed to this thread, I couldn't have completed this project without the help, even if it took me 6 years!

View attachment 1894658 View attachment 1894659
Click to expand...
Hi there... You've got the same '' mid/bass '' driver that I had in my ALS40II... sadly, it went '' blap blap '' oftently. Replaced it with an SP1014 I had. These midbass were weird drivers from my point of view. How are yours playing ? My ALS are not original anymore against yours who looks a beaut'... Enjoy them !... before and after pics >>> mids are not original either... damn
 

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I've always wanted a set of ALS-40 Mk 2a's but they are so hard to find in good condition and especially here in Australia. I'm thinking that they were the direct competitors of the Celestion SL12si's. The Celestion units were absolutely brilliant and I'd suspect the IMF's were also fantastic, but I've just never been privied to hearing a good pair.
 
sax6 said:
Hi there... You've got the same '' mid/bass '' driver that I had in my ALS40II... sadly, it went '' blap blap '' oftently. Replaced it with an SP1014 I had. These midbass were weird drivers from my point of view. How are yours playing ? My ALS are not original anymore against yours who looks a beaut'... Enjoy them !... before and after pics >>> mids are not original either... damn
Click to expand...

I have noticed a slight buzz happening in one speaker, but only at super low frequencies. I'm going to pull the mid-bass and woofer and run test sweep on each to see what's going on. The mid-bass is aparently very hard to source, so I would keep yours even if it's not working right. I know a really good speaker tech who seems to be able to rebuilt just about anything, so if mine is not 100% I'll be taking it to him to sort out.
 
Hi Guys (back after a long time, but then I've been busy listening to my IMF TLS50IIs!) Done a lot of listening during lockdown, love my IMFs but going to listen to some PMC transmission lines as soon as I can get an appointment at a local showroom. Been thinking that things must have moved on in 40 years, just wanted any opinions; has anyone compared the IMFs with PMCs? Would value any thoughts from anyone who has actually heard the PMCs
 
tmarx said:
I have noticed a slight buzz happening in one speaker, but only at super low frequencies. I'm going to pull the mid-bass and woofer and run test sweep on each to see what's going on. The mid-bass is aparently very hard to source, so I would keep yours even if it's not working right. I know a really good speaker tech who seems to be able to rebuilt just about anything, so if mine is not 100% I'll be taking it to him to sort out.
Click to expand...
Yours seem to be an original version.

Mine work well with the SP1014 in place of the mid/bass driver ( apparently an Audax driver ) ... 'little on the dark side, but mine are sitting on the floor. Anyway, not a reference as these are NOT original anyway. Fed by a Sansui 771
 
Hi, I own a pair of very nice playing CM2A. Tried to find specs but sofar they are hard to find. Is there a chance I can find them here?

Best regards from The Netherlands!
 

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I'm working on some IMF CM3, and pulled the woofer (ELAC 8/22) out of my IMF Super Compact III (which uses the same woofer) and checked the Thiel Small parameters with DATS 2.
Would anybody want to see this data? If so where on AK would I post it?
 
I have a set still packed away in their original packing box and have never taken them out since I received them so I must get them out and give them a run against my Celestion SL6 set.

Somehow I feel I know which one will be the winner out of the two.
 
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