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IMF owners thread!

Yvan_donald said:
Hi, Jim you know these fried speakers are new for me,the H came at the end of 75? So are you saying the Fried are superior speakers than IMF,Tls 50 or Prof.But I am not so shure a transmission line speaker should play high SPL,Yvan.
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To better answer your question here is a thread from another AK member that has compared his IMF TLS80 to his Fried C2 and O2's.

http://www.audiokarma.org/forums/showthread.php?t=509602

http://www.audiokarma.org/forums/showthread.php?t=504495
 
Hi, Jim +1 for you,but I'm pretty shure the TLS 80 can be improved,and from my point of you they are no match compare to my MK III. Best regards,Yvan
 
Yvan_donald said:
you use a stand with them? Yvan
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Basically these are my "small room" monitors.Ive ran them in my bedroom for yrs,up on stands and tilted back a bit.
As I metioned on a pair of Dynaco mkiv mono block they are superb.,high end sound for sure.
For living room larger area's I prefer large drivers,currently large Tannoy box's filled with 15 Inch tri-axials{1958 Universitys}with JBL 2420 horns or my 1965 Braun L-1000 studio monitors.We have a built in swimming pool room {pool paved over}with 16 ft cielings that the big speakers love...can fit 50-60 people in there and power the speakers with 50 wpc Fisher triode mono-blocks.Nightclub sound!

hunter
 
Yvan_donald said:
These others speakers are they good for classical,and the Braun L-1000 did you get from Canuckaudio? Yvan
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I originally bought the Big Brauns from an estate sale from german imigrants,I had the entire L-1000 system.Both the bigger speaker systems are great with classical.Both made for tube amps,are extremely efficient and were very high end .
hunter
 
A very early set of pre-IMF badged loudspeakers just posted by radine on pinkfish site in the IMF Professional Monitor IV thread. I believe they are selling in UK at GBP500, or $787 USD (as fact only, no affiliation). I mentioned to him to inquire here about the facts on his model info (he asked) & to attach a foto. I think these are badged "Transcription Electronics", or the name that preceeded IMF (I forget, age-related memory !). They ? may ? be Professional Monitor I pre-1971 ?

Maybe he will post here for info, the speakers are pristine and that is exceptional for their age. Does the pre-IMF company name badge command higher dollars ? Just curious. His drivers are the early B139, early type super-tweeter and tweeter, not sure if mids are original -maybe; all in fine shape, cabinets are beauties, old-type wool damping I think.

His fotos are up on Gumtree site titled Transcription Electronics / IMF Monitor Pro Speakers VGC, if any want a look. Not sure if has grills or not -probably the eaisest thing to construct per original spec if needed.
 
Yep those are the Pro Monitor Is.

I believe it's "Transmission Electronics" or "Transmission Line Electronics", not Transcription.
 
Hi,please don't argue, this is the model between the studio tls 50 and Prof.MK III my friend have before buying the MK III.These are not like the earlier model transmission electronics with 2 controls in the bach.These have the new round plastic cup binding post with one control,and will say pre TLS 80 model + if you look at the bottom outlet it look like they have similarity with the honeycomb system.No dimension on the cabinet,too bad,like to see what is written on the edge of the round cup binding posts.Yvan
 
Yvan_donald said:
Hi,please don't argue, this is the model between the studio tls 50 and Prof.MK III my friend have before buying the MK III.These are not like the earlier model transmission electronics with 2 controls in the bach.These have the new round plastic cup binding post with one control,and will say pre TLS 80 model + if you look at the bottom outlet it look like they have similarity with the honeycomb system.No dimension on the cabinet,too bad,like to see what is written on the edge of the round cup binding posts.Yvan
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No arguing going on here, Yvan. Not sure what you mean by that :scratch2:

The information I'm sharing came from Jerry Bloomfield when I asked him about a similar set of IMF Pro Monitors I found. He indicated before IMF formed they used the name "Transmission Line Electronics" or "Transmission Electronics" and the earliest Professional Monitors have this moniker on them. They had a specific model number marked on the back as well, I don't remember what it is off the top of my head. I may go digging in my e-mails to see if I can find the information.

Edit: Nevermind, found it.

This is in response to an e-mail I sent with pictures of the Professional Monitor crossovers of a local friend of mine's IMFs:

". . . it’s an early PM3 Mk1 crossover ( one of the early ones {Professional Monitor models, the MDUW was generally used on the early pre-IMF models which were built in Reading before the company then known as Transmission Line Electronics became IMF and moved to High Wycombe)."

It said "Type: MDUW" on the back.
 
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Hi,about the badge sticker,it can be some left over from their turntable (transcriptor) at the time,same company different name.Yvan
 
Hmm re-reading that e-mail I realize now that Jerry said PM3 Mk 1.

That's a bit confusing, as I was pretty certain these were early Professional Monitors.. not the PM3. Unless that's what he meant.

Oh well, I'm not here to debate the specifics. I do know that on the back it will say "Transmission Line Electronics" and not Transcriptor Electronics. If we had a clearer picture of the back label I'm sure it would show that. Not that it really matters anyway, they're IMFs either way.

It does appear the tweeters were both replaced, as it would have been the HF2000/HF1300 on there originally. They probably work OK.. but likely not as well as they could. The original parts would be better with the stock crossover.
 
Hi,yes MDUW have 2 controls like the pro.If I remember you have put pictures of this old MK I or 2 prof. who look like the MK III without the honeycomb system.nothing like theese.But these one are much younger,that why I say pre TLS 80.These pictures from your friend are they on this site somewhere? Yvan
 
Hi,what I means by not argue is looking at all differents details,and with my experience of seing some specifics models ,usually 95% and up sure of myself.I try to be precise on the fact.I am maniaco depressico in my work and usually the same for what I like.Canuck don't worry I have nothing against you or any other AK member's and really like everyone.Yvan
 
New to group and TLS 80 project

Hi - I am new to AK and the IMF group. I have read a number of your posts and it has helped. I have a pair of IMF TLS 80 that I bought 10-12 years ago. From your posts it looks like mine are the original type 1 version. The nameplate does not list type two. Also my crossover is different with no capacitors across the mid-range driver. The board has a different layout as well. The speakers are very nice with all drivers working but need the crossovers recapped. Work in progress and I will post progress. I plan to use modern polypropylene except for maybe the 100 uF cap across the woofer. I do plan to add bypass caps.

I am sure I will have some questions as I progress.
 
Hi,Welcome Bill,good new,not to many TLS-80 MK I here,mostly MK II.Will be nice to add pictures of X-over and speakers for reference and mostly all IMF AKer have X- over recap with Falcon Alcap (electrolytic) Kit. to keep original,me I went to film, a more expensive way, but very happy with the result. Yvan
 
hi,I was listening some (DVD's) Herbie Hancock trio with Ron Carter (bass),Bily cobham (drum)is fast and punchy on World of rythm.The bass,piano and drum sound fantastic on the IMF,or Herbie Hancock Bet on jazz,the sound is so good,the musician who play conga with all special home made tubes,instrumental different sound effects,very special and well record.Herbie Mann Jasil Brazz live from Germany,very good.Yvan
 
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