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Old 11th May 2011, 09:31 AM   #1
Naidu is offline Naidu  Singapore
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Default Tannoy HPD 385/385A

Would like to seek help to identify if the drive units are 385 or 385A. Baught the pair some months back with the crossovers but without the boxes. The serial nos are 41/212157 and 210453 and they have 8 mounting holes each. Based on information available these should be the 385s, however recently when I opened up the crossovers to upgrade the parts, it appears that these are for the 385A. Thanks for any comments

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Old 11th May 2011, 04:23 PM   #2
Face is offline Face  United States
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The crossovers between the two are very similar and may work with either model. It's also possible someone swapped the crossover units out somewhere down the line(they are 30+ years old). 8 mounting holes should make the driver itself a 385.
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