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External Crossovers Tympani IVa

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Posted on April 26, 2023 at 01:30:39
Roger Gustavsson
Audiophile

Posts: 2055
Location: Huskvarna
Joined: February 12, 2010
 What a price for a pair of these crossovers!

https://www.kijiji.ca/v-stereo-systems-home-theatre/mississauga-peel-region/magnepan-mangeplanar-tympani-iv-crossovers-original-mint/1657735713

 

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RE: External Crossovers Tympani IVa, posted on April 26, 2023 at 16:08:45
Davey
 I don't understand why a person would purchase Tympani IVa's and then sell off the external crossovers???
It's fine to bi-amp and not use them....but hang onto them for possible future re-sale value.

Dave.

 

RE: External Crossovers Tympani IVa, posted on April 26, 2023 at 23:34:49
Roger Gustavsson
Audiophile

Posts: 2055
Location: Huskvarna
Joined: February 12, 2010
 I have the external crossovers for the T-IVa and MG-3.6 in storage. The components in them are really not much worth.

 

RE: External Crossovers Tympani IVa, posted on April 27, 2023 at 19:37:23
Davey
 Maybe a vintage restorer is looking for a set of stock external crossovers for IVa's. For that person maybe they're worth much more???

An equivalent crossover could be assembled with modern components for much cheaper.......but that's a different avenue.

Dave.

 

RE: Totally unreasonable price ..., posted on April 27, 2023 at 21:13:01
andyr
Manufacturer

Posts: 12548
Location: Melbourne
Joined: September 2, 2000
 I would be surprised if any owner of some T-IVas didn't know that.

 

RE: Totally unreasonable price ..., posted on April 28, 2023 at 19:03:01
InfinityApogee
Audiophile

Posts: 237
Location: Sk
Joined: February 14, 2014
 Maybe I should list my T4a xo for a bit less, but I think I'll just keep them :). I run mine tri-amped now.

 

RE: External Crossovers Tympani IVa, posted on April 29, 2023 at 18:45:54
josh358
Industry Professional

Posts: 12332
Joined: February 9, 2010
 Now that's an item that's in high demand, LOL.

 

RE: External Crossovers Tympani IVa, posted on April 30, 2023 at 04:39:33
mikebarney
Audiophile

Posts: 39
Joined: February 15, 2001
 For anyone considering these, please note that these are NOT T-IVa crossovers, but T-IV. They are in fact different, link to schematics attached.
Mike

 

External Crossovers Tympani IV, posted on April 30, 2023 at 07:31:05
Roger Gustavsson
Audiophile

Posts: 2055
Location: Huskvarna
Joined: February 12, 2010
 Yes, my fault. They are Tympani IV crossovers. A bit strange that the schematic on the crossover itself is different from the schematic in the document. The low pass section is 18 db/octave as indicated on the boxes and 12 dB/octave in the document.

 

RE: External Crossovers Tympani IVa, posted on May 6, 2023 at 14:48:29
josh358
Industry Professional

Posts: 12332
Joined: February 9, 2010
 I think people prefer to buy something close to stock when they buy used, which is why I do what you say myself and keep the original components. (I did recap the crossover box, which I've used occasionally for amplifier comparisons.) This is true even if the speakers have been improved -- OEM is safe. I mean, when I got my IVA's, it had cold solder joints where the previous owner had tried to improve things with mods. So he put $70 speaker connectors on his speakers and the wires weren't even soldered. Ouch.

 

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