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Cousin just gave me distressed tympani 1-Ds what amp.

72.43.6.86

bdg

Hey all,

I'm pretty excited about this not so much because I'm an audiophile as that I collect vintage technology. I believe that the technological bits of the system are of equal weight to the audio quality which I understand to be off the charts in some circumstances.

Finally any speaker with a user group is the speaker for me.

The bad news is that they need work and at least some mylar repair. I have been lurking around trying to decide how to proceed on the restoration. The mylar damage is the only intimidating part to doing my self.

From Alex's and other post it looks like the correct way to repair the mylar would require:

Disconnecting the terminals at the bottom from the bass wires.
Drilling out the 6 outermost rivets to release the steel stretching the mylar from the perforated magnet assembly.

Do I understand that correctly?

Secondly regarding amplifiers could I expect good results using a Rane MA4. It has 4 hundred watts channels that I could use bi-amped to deliver 100 watts to each channel. They also have an MA3 that is 40 watts per channel which I think is too small.

I would like an energy efficient amplifier with preferable one knob and a power light that will meet the needs of the Tympani 1-D.

This forum is great.

Ben

Follow Ups:

RE: Cousin just gave me distressed tympani 1-Ds what amp. - bdg 10:57:26 07/12/16 (4)
Hey All,

I knew this list would have good thoughts.

I probably will send them to Magnepan just to keep them "authentic". I think if I'm sending them off I might as well send the whole unit for evaluation.

My listening main room is about 24' x 22' x 8' with other hallways and rooms that aren't for listening with very little furniture but all walls are currently hard surfaces. I was trying to avoid getting a sub woofer. Regarding loudness I don't think I listen to loud music but maybe my neighbors differ.

KW+ amp sounds really big I didn't realize they got so large. After my initial post I found some nice comments regarding the Hypex Class 4 amplifiers that seems like a good fit to me and with enough of them I could get into bi-amping.

Looks like I will be building some boxes to ship the speakers to Magnepan. That should give me 12 weeks or so to sort out the amplifier/s.

Thank you for the feedback.

Ben

I love the idea of the Sanders Magtech but at $5K I can tell already they aren't for me:)

I'm assuming I want to bi-amp but I had no idea
- RE: Cousin just gave me distressed tympani 1-Ds what amp. - Satie 15:32:40 07/12/16 (3)
  There are more reasonably priced amps in the Class D world like the Wyred 4 Sound ST1000 and its' integrated version and the N core amps have already gained quite a reputation and were adopted by quite a few high end amp makers like Bel Canto and Theta (IIRC).
  If your other upstream components might need some upgrading consider getting a Rogue Pharaoh hybrid integrated first and try that out for a while. If you run out of power then get an additional amp to use for biamping.
  
  If you are going to ship the entire speaker you can buy the packaging from Magnepan, they still make the cartons to order. Call them up and ask Shelia how much that would cost.
  - RE: Cousin just gave me distressed tympani 1-Ds what amp. - bdg 07:54:38 07/13/16 (1)
    I looked at the wyred4sound, the Rogue Pharaoh and I few other brands and I'm pretty attracted to the idea of starting with 2 hypex nCore400 and a SMSP1200. The power supply should give me plenty of headroom to add more amplifiers in the future.
    
    If I do go the bi-amping route I will definitely do it passively using the stock crossovers.
    
    My existing components consist of a Software Defined Radio, computers, mackie 1202-VLZ and a Denon DCD-810.
    - RE: Cousin just gave me distressed tympani 1-Ds what amp. - Satie 15:28:18 07/13/16 (0)
      Either direction would work. The crossover can be implemented at line level easily enough as it would be just a capacitor for high pass and a capacitor and resistor for the bass low pass. But then you need to start with two stereo amps, while the speaker level passive allows single amp operation as well as biamping..
  - RE: Cousin just gave me distressed tympani 1-Ds what amp. - pictureguy 20:58:10 07/12/16 (0)
    IF you go ahead and follow the BiAmp path, go Line Level. Delete the speaker level crossover and as a first pass, try to DUPLICATE the stock crossover. That'll give you a reasonable starting point.
    Later, it is fine to experiment all you want.
    
    Something like the MiniDSP 2x8 has enough inputs and outputs to sustain such a system.
    
    Too much is never enough
RE: Cousin just gave me distressed tympani 1-Ds what amp. - Satie 19:37:18 07/11/16 (1)
Personally, I would not tackle the mylar replacement myself, tensioning it correctly requires a lot of work to detach the frame and attach the tensioning weights and then reglue the thing. So I would only do that if sending it to magnepan was waay expensive.

Power amp ratings are a matter of how loud you listen, What the room size is and whether there is going to be a subwoofer in your future. A loud listening preference in a large room would likely require biamping with a KW+ amp @4ohms for the bass panels and a 100 watter on the tweeter class A SS or tube, or at least high bias class AB.

The Rane amps will probably not be a first choice to run the whole speaker or the top end but is likely to do well on the bottom end ..
- RE: Cousin just gave me distressed tympani 1-Ds what amp. - Roger Gustavsson 05:02:51 07/12/16 (0)
  Replacing the Mylar is not something for most DIY:ers! First you need to know what tension to use. The Mylar is tensioned before the wire is glued to it. Tension cannot be applied or adjusted afterwards. I would send the drivers to Magnepan (about $250 each driver). No need to send the whole speakers. Build a protecting shipping box or crate.
RE: Cousin just gave me distressed tympani 1-Ds what amp. - TitaniumTroy 17:52:42 07/11/16 (0)
Personally I think a Sanders Magtech amp, would fit the bill. It has more than enough power and runs cool. I'm thinking about bi-amping my 3.6's and using one for the bass.

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