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In Reply to: NAD 2140 power amp modification mystery....what does this mean? posted by Mr Blue Sky on February 8, 2021 at 13:26:48:
sb = 'service bulletin' after production maybe?
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- RE: NAD 2140 power amp modification mystery....what does this mean? - Story 13:35:03 02/08/21 (1)
- RE: NAD 2140 power amp modification mystery....what does this mean? - Mr Blue Sky 14:10:54 02/08/21 (0)