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Old 25th July 2013, 08:54 PM   #1
mrubey is offline mrubey  United States
diyAudio Member
Join Date: Jul 2013
Location: Chanute, Ks.
Default Cornscala-esque and Chinese Birch

Hi, this is my first post here.
I want to build a Cornscala type set of speakers.
Greg Robert's Volti
Alura Alura - Volti Audio - Hi-Efficiency Horn Speakers
is a really gorgeous take on that idea and I want to do something similar. Bob Crites site provides critical numbers for the bass box. I'm just in the earliest stages of this process. I'm an older nursing student and don't have a lot of time or cash. I expect this project to stretch out over the next couple of years.

My local lumber yard can get Baltic birch plywood but stocks Chinese birch and it appears to be very similar but 50% cheaper. I saw several unfinished shelves cut from it, there are several plys like BB and there wasn't a hint of a void anywhere.
If any of you know anything negative about Chinese birch please share.

I'll post from time to time as the project proceeds.


Last edited by mrubey; 25th July 2013 at 10:32 PM.
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Old 26th July 2013, 10:55 PM   #2
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Join Date: Sep 2003
Location: SiliconValley
Hi Mike,

I am IDIOT #1

Are you CAPTURED by the cabinet style and craftsmanship of the Volti Cornscala, or it's sound(SPL in figure_1)?

A modern high efficiency speaker will have far superior sonics. PERHAPs, your artistic side can get CAPTURED by a modern speaker that is wood-beautiful, measures well, give you sonic goose bumps, and also CAPTURES the analytical side of your brain with 2013's best technical knowledge.

"So tell me what you want, what you really-really want" (tube love? vinyl love? wood love? room size? etc...) and other IDIOTs here will be happy to offer the best 2013 technical knowledge.

Copland wrote wonderful kid friendly music for the piano.
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Old 27th July 2013, 02:02 AM   #3
mrubey is offline mrubey  United States
diyAudio Member
Join Date: Jul 2013
Location: Chanute, Ks.
Yes I confess, I am a carpenter.

But I also know I want the Cornscala sound through 8 watts of 300B and this is at heart a Cornscala.
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