In Reply to: RE: Quad 57 volume problem posted by lesleymorley@yahoo.com on January 17, 2016 at 20:48:46:
If you plan a DIY repair you need to isolate the problem. Used EHT units, crossovers, and bass panels are available from QUAD "disassemblers" in the UK via ebay. Of course new or rebuilt components are available from Germany or the US at higher cost.
If you have one good speaker to use as a donor you are in good shape to find the problem component and then replace it.
Are you sure that all three panels have reduced output? You might consider using a Radio Shack SPL meter or Harbor Freight DVM/SPL meter along with downloaded signal generator software to measure and compare the near-field output of all six panels.
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Follow Ups
- RE: Quad 57 volume problem - j beede 08:03:43 01/18/16 (3)
- SPL meter... sigh... - Jonesy 16:18:09 01/18/16 (2)
- RE: SPL meter... sigh... - j beede 23:08:52 01/18/16 (1)
- Thanks for this... - Jonesy 07:57:54 01/19/16 (0)