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Old 23rd April 2013, 08:34 PM   #1
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Default acousta 115

Hello
I want to revive the legendary acousta 115 of lowther. I have plans to fix up the wood but would like information on damping materials (what installed and where) if any of the forum knows will be happy to hear him
thanks for any replies
sorry for my english
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Old 23rd April 2013, 09:52 PM   #2
fredex is offline fredex  New Zealand
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I believe the factory cabinets had no damping, efficiency was everything. I have a pair and have experimented with stuffing behind the driver and in the horn mouth with mixed results. I do not have the Lowther drivers but drivers with low Qts work best (less bass bloom). These speakers have a very strong personality and people love or hate them. Try some experiments and good luck.
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Old 23rd April 2013, 11:39 PM   #3
Cobra2 is offline Cobra2  Norway
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I had the Acousta 90 here for a short time...hated them. No bass.

Arne K
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Old 24th April 2013, 06:59 AM   #4
DrBoar is offline DrBoar  Sweden
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I built the A115in around 1985 and used Philips 9710 in them. The back need to be crossbraced to the intenal baffle otherwise you get the "accousta bloom" from the vibrating back.
The combination of the 9710 shout ( 10dB rise above 2 kHz) and no bass what so ever below 80 Hz was terrible. With a better driver the A115 might work better.


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