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Reliable source for replacement RM-9 output tubes
Reliable source for replacement RM-9 output tubes
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Old 14th January 2019, 03:26 AM   #1
Keremito is offline Keremito  United States
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Default Reliable source for replacement RM-9 output tubes

Hello all, I own an RM9 MKII bought it second hand so I have no idea what the condition of the output tubes is. It uses 4 output tubes per channel, currently Siemens EL34's NOS I believe. The amplifier sounds great currently but I would like to try new set of Genalex KT77's. The owners manual states the output tubes to be closely matched for bias and transconductance. Looking around online all vendors claim their tubes are matched close, but the price range probably "means not really". Tubes from Music Reference will cost me $680+tax+shipping. Ebay $270-$500. I love the amplifier so I would like to make the invesment at some point.

Thanks in advance for your advice.
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Old 14th January 2019, 03:37 AM   #2
Eli Duttman is offline Eli Duttman  United States
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Contact Jim McShane and discuss your needs. Jim is a no nonsense guy whose prices are fair and whose goods are up to snuff.
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Old 14th January 2019, 04:08 AM   #3
Keremito is offline Keremito  United States
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Thank you!
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