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Twin Audio Twin Audio is a manufacturer of hand made audiophile tube amplifiers.

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Old 4th July 2013, 04:29 PM   #61
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Need to buy Alpair 10.3 drivers first.
Thanks.
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Kits for alpair 10.3 drivers perhaps?
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Old 8th July 2013, 09:30 PM   #62
david45 is offline david45  Canada
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Need to buy Alpair 10.3 drivers first.
Thanks.
Thanks for the reply. Both alpair 10.3 and 10P should be extremely popular. You should definitely get a pair of each
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Old 31st January 2014, 03:51 PM   #63
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Any plans to make a kit for Fostex FE206En with Folded Horn cabinet?

Would be very interested for a 2A3 SE amp...

/V
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Old 18th February 2014, 12:25 PM   #64
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Folded horn cabinet for FE206En is large and very high freight cost.

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Originally Posted by ValentinHogea View Post
Any plans to make a kit for Fostex FE206En with Folded Horn cabinet?

Would be very interested for a 2A3 SE amp...

/V
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Old 18th February 2014, 02:43 PM   #65
borispm is offline borispm  Hong Kong
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Tony, are you interested in reverse-engineering the folded horn? I think it is possible to be made smaller and lighter without compromising the bass performance too much.
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Old 19th February 2014, 03:20 PM   #66
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Hi Boris,

Can you provide me more information about the reverse-engineering the folded horn?

Thanks,
Tony.
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Originally Posted by borispm View Post
Tony, are you interested in reverse-engineering the folded horn? I think it is possible to be made smaller and lighter without compromising the bass performance too much.
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Old 19th February 2014, 03:32 PM   #67
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Hi Boris,

Can you provide me more information about the reverse-engineering the folded horn?

Thanks,
Tony.
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Originally Posted by borispm View Post
Tony, are you interested in reverse-engineering the folded horn? I think it is possible to be made smaller and lighter without compromising the bass performance too much.
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Old 19th February 2014, 03:43 PM   #68
borispm is offline borispm  Hong Kong
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There are a few key parameters in a horn design that affects how it sounds: compression chamber size, horn length, closed-end cross-sectional area and opened-end cross-sectional area.
I have roughly estimated the parameters:
horn length: ~2.7m, should be longer
Compression chamber vol: >13L, can be tuned to taste according to Fostex
Closed-end XO area: 140cm^2
opened-end XO area:1225cm^2

With these parameters, we can engineer the horn with minimal calculations.
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Old 3rd March 2014, 07:18 AM   #69
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Originally Posted by borispm View Post
There are a few key parameters in a horn design that affects how it sounds: compression chamber size, horn length, closed-end cross-sectional area and opened-end cross-sectional area.
I have roughly estimated the parameters:
horn length: ~2.7m, should be longer
Compression chamber vol: >13L, can be tuned to taste according to Fostex
Closed-end XO area: 140cm^2
opened-end XO area:1225cm^2

With these parameters, we can engineer the horn with minimal calculations.
This sounds very interesting...
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