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  1. C

    E80cc comparison

    maybe it is tyical that valvo hamburg code has D as first character in the (usually) second line. philips herleen code has ? as first character in (usually) second line. tungsram codes i do not understand, and their smaller tubes like ECC83 and 82 have metal tag. it is also typical that valvo...
  2. C

    E80cc comparison

    i wouldnt mind finding a mate for my philips SQ
  3. C

    E80cc comparison

    holy smoke.
  4. C

    E80cc comparison

    there it is...hamburg, germany
  5. C

    E80cc comparison

    thats all 2-line euro tube manufacturing codes for manufacturers in the greater philips family. D is always hamburg, delta (not 4--thats a venezuelan company) is herleen, B is mullard blackburn. sideways H AKA = with vertical slash is munich, F is in suresnes, france, R is mullard mitcham ...
  6. C

    E80cc comparison

    man, ill be damned. ive seen many valvo-labelled herleen coded E80CC, but ive yet to come across a valvo hamburg-made E80CC. pretty sure i never came across the ones made in new york. lots and lots of deltas and much more tungsram. i been lookin like crazy thru any E80CC i come across. i got a...
  7. C

    E80cc comparison

    pretty sure siemens didnt make an E80CC, only philips holland/amperex USA and tungsram hungary, both of which made a few variants. i believe your siemens os either a tungsram or philips/amperex. i got a pair of tungsram and bought a single pinched waist late 50s philips. one of my tavish phono...
  8. C

    E80cc comparison

    u sure thats a valvo hamburg E80CC? pretty sure only philips herleen/smperex USA and tungsram hungary made the E80CC, meaning labelled otherwise are just relabels. philips did the pinch waist variant.

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