I recently purchased a pair of used late 70's Hartley Zodiac 300a's where in their history one of the 10" drivers was replaced with a non-original. Due to the channel imbalance, I am looking to replace the replacement driver with an original which might be a long shot. Nevertheless, if you have any original drivers pulled from Hartley models 1A, 1B, '76, '77, '78, and 300A I would love to hear from you. Thanks for looking!
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