Thread: How many hours do you get from your Ref 10 6550 tubes?
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Old 09-15-2019, 06:25 PM
signature8 signature8 is offline
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Join Date: Jan 2015
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I see a pair of 6550 NOS, NIB for $440 on ebay. I have no experience buying these thing from other than dealer/manufacturer. Anything I should be aware of? Thanks.
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