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In Reply to: RE: No Joy in Vegas, T1Ds have a dead panel posted by Satie on August 16, 2015 at 15:30:57
But after 40 years, I think it would be time for new Mylar and rewiring. You get "all new" Tympanis for about $2000! I wish we could do that in Europe.
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I see what you are saying but I think part of his attraction to it is that he already had it and didn't need to pay much (I am sure he was hoping for nothing out of pocket) - I guess if they were selling a T 1D today it would cost well north of 10 grand. So yes, a bargain. But still a step behind current tech.
So yes, a bargain. But still a step behind current tech.Do you mean the current line of speakers? Which sounds better? Depends on taste? I know I switched to the T1Ds due to the way a piano sounds.....
How do they sound say against a pair of used 3.6's?
May He Who Watches Over Us All, Watch Over You And Yours.
Edits: 08/17/15
I would also like to throw out here that the room is approx 20 by 25ft.
May He Who Watches Over Us All, Watch Over You And Yours.
I think I know what you mean. So you would want a 1st order XO and an equidistant arc arrangement on a T-1D or a modified T IV/IVa or an MG 20.7. I listen to a lot of piano and the move from high order XO to 1st order made a big difference in the rendering of piano.
So I don't think you could do better even for the extreme case of the total repair.of the T-1D. and what you are missing would be the ribbon tweeter, which you could add on with an add on ribbon supertweeter.
The 20.7 even used is going to cost so much more so I would understand your sticking with the T-1D I don't really see a better option than getting it fixed.
The other alternative is a large Apogee which you will either have to buy rebuilt or have it rebuilt yourself. So a $6-10k project.
I wonder how much it would cost for Magnepan to restore a Tympani IVa. If it is not be considerably more than restoring a 1D, I'd be tempted to find a beat-up IVa, which might be bought on the cheap and while I'm at it have it restored. (It never bothers me to spend other people's money.)
I don't think that is enough, the T IVA crossover would need to be modified in order to give the same kind of performance on piano that I think OT is expecting from his T-1D.
"I don't think that is enough, the T IVA crossover would need to be modified in order to give the same kind of performance on piano that I think OT is expecting from his T-1D."
As for myself, the IV-A and piano recordings, I'll simply quote the final line from a once very popular Billy Joel song: "I love you just the way you are".
Not to say that the T IVa is deficient in portraying piano. It is very much a top performer. Just that conversion to 1st order (and changing the mids to the faster Neo8 drivers contributed to that) did more for piano reproduction.It enhanced timing perception, and both the percussion aspect of piano sound and harmonics - as in room reverberation and longer decay of the soundboard output.
Are you saying that a piano sounds better on the T IVa?
May He Who Watches Over Us All, Watch Over You And Yours.
It is not that simple. The ribbon tweeter gives the T IVA an edge in detail and resolution. However, timing percussive sounds and dynamics and resolution in upper mids are better in the T-1D at the critical octave about 1khz to 3khz.. Deep bass is better on the T-IVa bass panels, particularly if power is limited.
IF you modify the T IVA to 1st order you may have a bit of a limit on top end power handling, but the speaker becomes killer on piano. I believe you can get the same results with an aftermarket add on ribbon or AMT supertweeter for the T-1D you can match that performance. .
Thanks, I like classical most of the time, when I listen to "other stuff" it's usually casual when I'm not alone. When I'm in the mood it drives my 14 yr old crazy.... well my wife too....
I am fond of my 12" pressing of Sunset Grill tho....
May He Who Watches Over Us All, Watch Over You And Yours.
I listen to classical mostly and play jazz between large classical works..
How do the T1D's sound compared to 3.6's or 3.7's?
May He Who Watches Over Us All, Watch Over You And Yours.
With Norm on this one.
Add an aftermarket ribbon supertweeter to the T 1D and the 3.x models are just toys in comparison.
How much do they cost? Will I have to mess with crossover?
May He Who Watches Over Us All, Watch Over You And Yours.
Generally speaking you add the supertweeter with its own high pass filter but don't alter your speaker's crossover. But you could if you wanted.
There are canned devices and you can simply buy a ribbon tweeter and add it in with your own high pass filter running off the speaker cables. It is more involved but not difficult.
A few options
Cheap AMT
http://www.parts-express.com/dayton-audio-amt-mini-8-air-motion-transformer-tweeter-8-ohm--275-095
Ribbon tweeter (with horn, which you would probably not want)
http://www.parts-express.com/aurum-cantus-g2-ribbon-tweeter--276-402
Without horn very high performance
https://www.madisoundspeakerstore.com/ribbon-tweeters/raal-70-10d-raal-ribbon-tweeter-with-optional-amorphous-core/
Never having lived with the 1D I really can't say too much about it, since I only heard them in showrooms. OTOH I have about 40 years of experience with the T1C and IV-A, and also own a 3.6 (which I refuse to waste any time listening to).
Tympanis have their way of captivating and holding my complete attention, which no speaker that I ever auditioned did. A word of warning however, I found the Tympanis to be addictive; set-up properly I would never settle for anything else. Tear down any walls if you must because (IMO) the 3.6 is but a mockery of them.
LOL Thank you so much Norman,, I have actually been thinking of building a room just for them......
May He Who Watches Over Us All, Watch Over You And Yours.
Welllll let me say I took classical lessons for 13yrs and if I look over my shoulder,, yup my piano is still there..... Kimbal baby grand circa 1968(junior in HS). So from what Satie said I might be better off with the T1D's, and yes to someone back a ways, I'd like to use the Magtech(I think it is). Will try with amp I have now, it's like 500/ch into 4ohms, I don't know what the other is, but I'd imagine a little more powerful than my 1985 Crown.
May He Who Watches Over Us All, Watch Over You And Yours.
Edits: 08/18/15
The Magtech would be an easy choice to drive the T-1D and also not the friendliest one for your pocketbook.
While your Crown at 500 w/ch into 4 ohms might not be enough, It just might be enough for the bass panels alone if you don't listen loudly. Which would allow you to work the tweeter with a higher quality mid power amp in a biamp configuration. A 100W tube or high bias class A/ab amp should do well.
The T-IVa is slightly more expensive to restore. The basses and mids are $250 each, new Mylar and wires. The ribbons are $300 each. Covers are $32 each. Additional work as mentioned earlier.
I think even a restored set of Tympani I-D can find a buyer at this kind of money we are talking about.
Used Tympani IVa are now rather expensive and hard to find, from $1800 and upwards + rebuild by Magnepsn.
I believe there happens to be an active auction for a IV-A on ebay right now:
http://www.ebay.com/itm/Magnepan-Tympani-IVas-stands-crossovers-boxes-ONLY-3-BASS-PANELS-WORK-/221850477854?hash=item33a751a51e
The seller is asking for $1850, but is also accepting "make me an offer".
If I was prepared to invest in and spend $5000 for an amplifier to drive Tympanis, I'd go all the way, (or I wouldn't go at all). And understood, we all have other and different financial obligations.
I"m right near valle verde and horizon ridge,changed the internal wiring to occ copper and replaced all the capacitors,bypass the fuses and ran the internal wire to outside of the terminal connections for better sonics.replaced the connecting panel wires with occ copper for connecting all the panels.internal wire change was huge improvement in sound as was the running the wire to outside of the terminals ans wrapping them around the screw terminals.
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