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tubes that interchange with the CV378?

While the big Cary is down I am trying to get the little Cary up. Looks like I need a couple of rectifier tubes. The manual calls for CV729s, but there were CV378s in it. I hate to say it, but I was trying to see how cheaply I could do this.

Does the 5R4GY interchange? I see that a place called tube depot is selling them for 34.95 each.

ON EDIT: I just pulled down a box of spare tubes I have in hopes of finding another rectifier tube. I did find two brand new tubes branded JAN 5U4GB Philips ECG 8652 34167 USA AAW. The pins look the same as the CV378s. I have no idea when or what I bought them for. Do these interchange with the CV378? I am wondering if I picked them up as spare rectifier tubes.


Edits: 07/24/20

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Topic - tubes that interchange with the CV378? - immatthewj 00:23:32 07/24/20 (16)


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