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1972 Heresy question


MeloManiac

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PROBLEM SOLVED !

 

After careful listening and feeling the cabinet with my hand, I concluded it wasn't the horns that made the 'ziiing' sound, but the cabinet.

So I re-opened the cabinet and checked all the screws holding the cabinet together (and the front panel and the back panel). There are quite a lot of them actually, and some of the could be fastened with a half or even a full turn. Maybe the extreme dry weather is working the wood? I don't know. See hydrometer image attached. 

Anyhow, after screwing back the back panel, the ziiing is completely gone and all is fine!

 

Thank you for all your input! It helped a lot in figuring out what was going on with my 50 year old speakers!

 

 

 

 

 

PSX_20220419_203942.jpg

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