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| McIntosh MC240 and KT-66 tubes http://dcaudiodiy.com/phpBB3/viewtopic.php?f=4&t=756 |
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| Author: | randy warren [ December 9th, 2016, 8:33 pm ] |
| Post subject: | Re: McIntosh MC240 and KT-66 tubes |
Looks like you got your answer, and that answer is no... |
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| Author: | SoundMods [ December 10th, 2016, 11:27 am ] |
| Post subject: | Re: McIntosh MC240 and KT-66 tubes |
Call them back -- the question to ask is: What is the current rating of the 6.3-volt filament secondary winging of the power transformer? Knowing that -- you can inventory the tubes on that filament winding and using tube data add up the total current. If there is at least 20% wiggle room left (using the KT-66s) then you are good to go. A CYA move would be to fuse protect the filament supply to assure against an unwanted surge. Vintage power transformers are not readily available and may be expensive. |
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