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552
09-25-2018, 10:39 AM
Looking for New tubes the ones in my Heathkit SB 220 or probably 30 years old and getting weak I looked on RF Parts but they are out of stock at the moment but I did get on the waiting list but there are other brands out there I seen machette and Penta bran has anyone heard of these or could help me making a choice what are the best tubes out there thank you

mattsowders1989
09-25-2018, 11:41 AM
eBay. There are new ones one there.


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552
09-26-2018, 03:04 PM
There are two kinds on eBay machlett and Penta anyone use these before are they any good

mattsowders1989
09-27-2018, 07:36 AM
I’ve used the machlet ones before. They’ve worked great for me.


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552
10-06-2018, 04:36 PM
just ordered the machlett tubes.. matched set,,on sale now