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Re: 4212D

Oh shucks I'll have to get one out of the box and have a look. Yes you're right, these are 4212E. The rest that I have are 4212H and V1505 which has an identical structure to my 4212H's but a larger glass envelope. It sounds better for the larger envelope, don't ask me why. The 4212E's have similarly large envelope, but with the important addition of an inverted glass pip at the top which assists in rigidity of the structure like the best and most rare 845's. The AR300 is a little longer than the V1505, and has a completely different internal structure and colour of anode material (more black than grey).

I do have an oxide coated version but it whizz banged and popped the first time I tried it. The unscrupulous eBay seller washed his hands of it.


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