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TFM-45 with AR LST speakers

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xmas111

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Post Sat Mar 24, 2012 8:59 am

TFM-45 with AR LST speakers

Hi guys, just got my hands on a pair of AR LST speakers a few weeks ago.

Had to refoam the woofers, rebuild the crossovers, refinish the cabs and re-cloth the grills. Very happy with the finished results.

Hooked them up to one of my TFM-45's (Rita reburb a couple of years ago) the other day and shortly after one of the woofers blew......voice coil actually detached form the cone. I know that could be from a lot of different reasons but I've had a few people tell the Carver amps may not not do to well with speakers that dip below 4 ohms.

My question is do you guys feel the TFM-45 is a good match for these speakers? The LST's are 4 ohm speakers that can handle just about anything you can throw at them.

I have two TFM-45's currently that are driving my AR9's (bi amped) They've been rock solid.

Another reason I ask is I can get another TFM-45 in very good shape for a pretty good price,( $270.00) and was thinking I'd use it for the LST's. Of course I'm going to send it to Rita first.

Any insight you guys maybe have would be greatly appreciated.

Here's a couple pics of them for you.

Thanks,
John
Attachments
lstfin3.JPG
lstfin2.JPG
lstfin.JPG
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MRHP

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Post Sat Mar 24, 2012 9:22 am

Re: TFM-45 with AR LST speakers

First of all thats a sweet setup!

The TFM-45 should have absolutely no problems with 4 or even 2 ohms.
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kingman

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Post Sat Mar 24, 2012 9:46 am

Re: TFM-45 with AR LST speakers

You better pick up that other 45 fast!!!! That's a good deal. 8) By the way...really nice AR's you got there!!! =D> =D> =D>
In reality, it only matters what it sounds like to YOU!!!
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Snoop65

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Post Sat Mar 24, 2012 11:31 am

Re: TFM-45 with AR LST speakers

MRHP wrote:First of all thats a I'm far too lazy to make any kind of meaningful post, So I will just go ahead and post my 2523rd "SWEET" post here. setup!

The TFM-45 should have absolutely no problems with 4 or even 2 ohms.


You can't spell the word s-w-e-e-t sound here. It triggers the "2523 post" thing that just happened here. :lol:
CARVER LIGHTSTAR REFERENCE+SUNFIRE CLASSIC TUBE PREAMPLIFIER+JBL XPL200+MUSIC HALL MMF-9.1+GRADO REFERENCE MASTER 1+CARVER SD/A 390t=WOW!!!!!!
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TNRabbit

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Post Sat Mar 24, 2012 12:16 pm

Re: TFM-45 with AR LST speakers

First of all I don't think a speaker that old can handle anything you can throw at it.... most speakers from that era only 100-150 watts maximum.

If you were going by the meter reading, you do realize that wattage is in 8 ohms...right?
TNRabbit
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MRHP

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Post Sat Mar 24, 2012 8:37 pm

Re: TFM-45 with AR LST speakers

Snoop65 wrote:
MRHP wrote:First of all thats a I'm far too lazy to make any kind of meaningful post, So I will just go ahead and post my 2523rd "I'm far too lazy to make any kind of meaningful post, So I will just go ahead and post my 2523rd "SWEET" post here." post here. setup!

The TFM-45 should have absolutely no problems with 4 or even 2 ohms.


You can't spell the word s-w-e-e-t sound here. It triggers the "2523 post" thing that just happened here. :lol:


I actually just figured this out and thought I would try it for myself to see if it really worked :D :D

OP you better get that 45 or Kingman will figure out where its at and buy it out from under you. He has "Carver radar" :lol: :lol:
TFM-75 serial #0001
PT-2400 serial #0001
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Cherry/260's
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Dual CS5000 Turn Table
DQ-20's
Douglas Cables
OK ERIC, LET GO OF THE MOUSE AND BACK AWAY FROM YOUR PC WITH YOUR HANDS IN THE AIR. NOW SLOWLY LAY FACE DOWN ON THE FLOOR!!!! - Snoop65
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xmas111

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Post Sun Mar 25, 2012 6:29 am

Re: TFM-45 with AR LST speakers

Ok, thanks guys.

Got it and it will be on it's way to Rita tomorrow.

Hope to have it in a couple weeks ready to go.

I lucked out in way, the guy I bought it from lives in Seattle, about 50 miles from Snohomish and is shipping to Rita for me.

John
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angelod307

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Post Sun Mar 25, 2012 11:32 am

Re: TFM-45 with AR LST speakers

great looking speaker. the failure you speak of is one of the most common fail points in a driver. jl audio has a plastic ring they use to put their speakers together called the vrc collar to give them more area for the glue/epoxy to attatch to. no fear, if the voice coil is not burned out, it might be able to be repaired.
CarverFest: I just go for the arts and crafts
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xmas111

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Post Sun Mar 25, 2012 12:29 pm

Re: TFM-45 with AR LST speakers

Unfortunately this speaker's cone assembly isn't repairable.

I've ordered a Reconing Kit that should have it back up and running by weeks end....hopefully.

John
Attachments
cone.JPG
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jjptkd

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Post Sun Mar 25, 2012 4:49 pm

Re: TFM-45 with AR LST speakers

xmas111 wrote:I lucked out in way, the guy I bought it from lives in Seattle, about 50 miles from Snohomish and is shipping to Rita for me. John


How the heck did I miss this one... :-k :-k
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kingman

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Post Sun Mar 25, 2012 5:50 pm

Re: TFM-45 with AR LST speakers

Jesse.....you????? :shock:
In reality, it only matters what it sounds like to YOU!!!
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mbskeam

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Post Sun Mar 25, 2012 10:45 pm

Re: TFM-45 with AR LST speakers

I dont think it was on CL, between you and I there is no hope of much getting by in the seattle area
was this a CL find?
Mbskeam


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xmas111

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Post Mon Mar 26, 2012 3:52 am

Re: TFM-45 with AR LST speakers

Your right it wasn't on CL, I found it by chance over at Audiokarma :D

http://www.audiokarma.org/ads/showproduct.php/product/7413/cat/4

I don't think to look over there very often for stuff......I guess I had a calling that day.... [-o<

John
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elgrau

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Post Mon Mar 26, 2012 12:21 pm

Re: TFM-45 with AR LST speakers

" the other day and shortly after one of the woofers blew......voice coil actually detached form the cone. "

Had this issue with my EPI 1000's and TFM-45: VC was literally ejected from the speaker! You're issue COULD be from a transient (e.g., hooking something up with the amp powered up). Remember that the amp is "full bore" all the time with 375 potential watts of power just waiting to be unleashed. A sharp transient (i.e., "dirty" signal) could bring forth those watts and their goes your driver! Mine was due to exactly this: my daughter plugged/unplugged her iPod source directly into the TFM-45 with it (the amp) powered up. The transient that this caused was duly amplified and the VC responded by trying to deflect a lot further than the spyder allows.... Obviously I schooled my daughter in this aspect of high powered amps: NEVER mess with any wiring/connections unless the amp is OFF! And at 4 ohms, even more power can be generated... - Ed
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