OHM Acoustics "Walsh F" Speaker remakes - Page 27 - diyAudio
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Old 26th February 2008, 03:59 PM   #261
berm is offline berm  United States
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Hi,

Bud, the weblink you posted only goes to the Picasa home page, not to your pictures.
I'm still looking forward to seeing more of your work. I haven't yet had time to EnABL any of my drivers, but I have most of the tools and materials. When I get to this Walsh clone project, I'm still thinking of Mamboni's mods on one side of the Pioneer driver and yours on the other, unless you think EnABLing both sides might be better.
I appreciate the time and effort you have put in on your work and in helping others on this forum. I hope you reap some well-deserved financial rewards from it too.

Take care
berm
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Old 26th February 2008, 06:17 PM   #262
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Try this: http://picasaweb.google.com/hpurvine/

Jeff
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Old 26th February 2008, 08:25 PM   #263
berm is offline berm  United States
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That link did it. Thanks much Jeff.

Berm
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Old 24th September 2008, 09:59 PM   #264
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Default Berm please contact me

Berm you out there? Please contact me re:

It occurred to me while watching this thread that this - Mamboniís DIY omni - may be just the ticket for a great mono speaker. Iíve been looking for something that would provide great sound for 78ís and mono LPís, and provide it over a wide area. No beaming speaker wanted for this. The one difference I think is that here an omni tweeter, or tweeter array, would be desirable in this case.
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Old 24th September 2008, 10:28 PM   #265
BudP is offline BudP  United States
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You could use the Pioneer woofer and one of the Radio Shack Linnaeum dipole drivers. When EnABL'd this is a sensational tweeter to 13 kHz.

I use a pair per side on my reference system and then slope a Pioneer piezo film, half can tweeter, always on ebay, for the 13k and up air.

The efficiency would balance nicely with the woofer and the RS dipoles are inexpensive when you can find them.

Bud
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Old 25th September 2008, 10:59 AM   #266
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Just some more information for inspiration. I heard this at the London Audio and AV show last weekend. Check out:

http://www.rountree-acoustics.com/

Very promising, very clean and great bass. It sounded much more natural than most of the other product there.

The enclosure is worthy of attention. The driver is coupled straight to the floor with a steel rod and the low mass foam board enclosure kind of hangs off the driver, certainly different, and it seemed to work very well.
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Old 1st October 2008, 02:09 AM   #267
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Default OHM Walsh Sound Cylinders

Here are some shots of some OHMS that I repaired back in 1999. The ABS "bulkhead" that the drivers were mounted on was broken, probably due to being dropped. (ABS pipe cement-resin repairs this nicely)
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File Type: jpg ohm_top.jpg (59.1 KB, 402 views)
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Old 1st October 2008, 02:09 AM   #268
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Default OHM Walsh Cylinder

Side view
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Old 1st October 2008, 02:09 AM   #269
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Default OHM Walsh Cylinder

Another side shot
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Old 1st October 2008, 02:09 AM   #270
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Default OHM Walsh Cylinder

Rear shot of the Walsh.
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