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Doug G.

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About Doug G.

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  1. In my post above, I indicated that the gray plastic trim pieces will always be gray. However, with age, they can discolor on the front edges and appear yellowish. This has happened to a couple of mine. I imagine sanding that edge may restore them but I haven't tried it yet. Doug
  2. After Advent started putting tweeters with the large magnet in the Smaller Advent, they may have been trying to zero in on the perfect values of capacitors and 1975 is when they made the magnet size change. It's kind of like when they were settling on the values for the original Advents. In any event, the 3 ohm resistor indicates the tweeters will have the large magnet. It was needed to tone down the tweeter a bit to match the woofer efficiency. The original Smaller Advent did that with the smaller magnet and only needed the 1 ohm resistor. Doug
  3. The New Advent and Advent/1, however, use the same woofer. The difference is the cabinet size. Also, the Masonite woofer and all-metal woofer would not be considered identical since the Masonite woofer has a bit longer excursion (Pete B. has measured them) but, in all practicality, they are the same. Same cone. Doug
  4. And sometimes, an Advent employee used a black marker but it means the same thing - positive connection. Doug
  5. Doug G.

    OLA's I Just Bought

    Yes, the optical illusion is common with the Masonite woofers where they look like the rolls are poking out when they are not. There are subtle clues to tell. Doug
  6. Doug G.

    OLA's I Just Bought

    Masonite ring woofers have inverted roll surrounds, all of them, or SHOULD have. The later all-metal woofers have standard mount with the roll poking out, or SHOULD have. The only way they get switched is if a subsequent owner changes them or a "professional" changes them. Doug
  7. Doug G.

    OLA's I Just Bought

    Yup, get 'em fixed up so they sound new. Those are probably from 1973 or so, with those serial numbers. Doug
  8. I am very sorry to hear of Carl's passing. Here it is almost two years ago and I didn't know. Doug
  9. The trim pieces around the inside edge were never gold plated. They have always been a light gray. Originally they were wood and the gray paint can come off and make them look like they were some other color. Later, the pieces are gray plastic and as such, will always be gray. The original finish on Advents was always a rubbed oil finish and satin. If you have seen a gloss finish, they have been redone. As ajfink stated, the surrounds being in upside down doesn't really hurt. There's just the chance the roll will rub on the Masonite edge. That's why advent put them in inverted. If you ever notice any fuzziness in the sound, that's what could be happening and they should be refoamed the correct way. Doug
  10. The change from fiberglass to foam happened in the latter days of original Advent production, in about 1975. I have some of each and they sound the same. I doubt, in spite of possibly a production cost reduction, Advent would have made the change if there were a audible difference between the two versions. Doug
  11. Doug G.

    NLA grill cloth?

    I have often found the right color for original Advents but never the right TPI (threads per inch) of 16 - 18. Doug
  12. Doug G.

    NLA grill cloth?

    I believe the New Advent fabric is a browner shade than Original Advent fabric which is an off-white - ivory color. Doug
  13. Doug G.

    Strange Fried egg

    Hi Antonio and welcome, The stickers are on replacement tweeters which should be identical to original units. I can't explain the DCR difference but it could be that the VC windings are damaged. The sticker explains that, basically, it is for a New Advent and not the original Advents. I would listen to it to see if it sounds the same as others. Doug
  14. I think this is a good example of users, out in the field, changing things around in a speaker without considering the original design or why certain components are in a speaker. I realize cost is often a major factor in speaker design and construction but, the thing is, the components in a speaker ARE the components in the speaker and if you go changing them, you may well alter the sound but not necessarily for the better. Doug
  15. You need to leave a note in your will that if anybody so much as frays a single strand of grille cloth on those speakers, you will come back to haunt them for life. Doug
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