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About GD70

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  1. Hi John. I've sent you a private message. Cheers, Glenn
  2. Very nice Kent. I'm also interested in the HiVi vs AR tweeter comparison.
  3. Agree with Aadams. After you read the restoratio guide, search for 3a threads. There are many with lots of pics and info for the replacement caps needed, instructions on cleaning the the pots, grill repair or replacements as well as cabinet restoration. First, spin the pots back and forth, a lot! You may eventually find a spot where the drivers come back to life. The grills have plastic frames that sit in recessed channels on top and bottom. They need to be VERY CAREFULLY pulled out from the sides center area they will slide out of the channels. The plastic will be very brittle by now and can easily crack and break. Once removed you'll be able to inspect the drivers. The tweeters domes on the 3's tend to pop out of the voice coil channels, fairly common. The mids output is usually low because the white flexable sealer around the base of the domes has petrified, greatly diminishing their output. Member Roy C. has had success rebuilding them bringing them back to near new performance. Post pics so we can see what you have for more informed advice. Cheers, Glenn
  4. Nice progress Kent. The owner wil be very happy when he gets them back home and hooked up. Glenn
  5. Hi Pete, We have plans for the day, so won't be able to make it. If there's another get together, I'm interested. Have fun, Glenn
  6. Or, like me, you ran out of room! I cannot download any more pics. :>(
  7. Hmmmm, if a set of restored 3's will suffice and I'm free that day, I may drive over. Let me know.
  8. Fun projects gents! I expect lots of pics of the progress! Cheers, Glenn
  9. Nice speakers, and I don't blame you! I only pull the grills whenim sitting and critically listening to the music, then they go back on. Glenn
  10. I've been seeing the "Hipster" generation, my kids, showing an interest in vintage hi-fi, vinyl in particular, necessating the need for a TT. Most new gear doesn't have TT connections requiring a separate TT pre. Some years back, I gave my daughter a JVC RS-33 receiver, a Technics TT and some small Desigh Acoustics speakers for her NYC apt. She loves that system! A couple years later I gave her a set of restored KLH Seventeens. "I'm keeping these for ever!" My son has a total appreciation for vintage HiFi and recently moved to Vegas and has been thinking about setting up a nice surround system. He's been asking questions about various speakers, receivers etc...I doubt he'll ever want a TT but you never know. I also have a couple mid 20's coworkers that I often discuss vintage audio with. One bought a set of KLH Six's I restored, another bought a set of ADS L980's based on my recommendations, as well as a NOS JVC AX-Z1010TN, and he tells me almost daily how great it sounds, and how his friends are blown away by it. He also has a TT hooked up to it, so there's still hope.
  11. Nice 10 TT's. Enjoy them for many yeRs to come.
  12. Tom, Youre a wealth of information, and always enjoy reading your educational comments! Interesting history, and owning a set of 12's is even better with this bit of historical knowledge. Glenn
  13. Kent, You are correct. First, let the ZPoxy seep into the gap. I dribble it in with a small flat blade screw driver tip. Keep adding it for 10-15 minutes or so. Wipe away any ZPoxy that is on the surrounding veneer surfaces. You want as little as possible on the veneer because you don't want it preventing the Danish oil from being absorbed when finishing the cabs. Mix enough ZPoxy so you can mix in in the sanding dust with the remaining Zpoxy in your cup and make a nice thick paste and smush it into the gaps to fill it. Place the flooded wax paper along the joint to create a mold for the corner edge joint. This is shown in the linked thread. Glenn
  14. Take a look at my thread on AK when you get a chance. This was a restoration project for a set of 1967 3a's. They wer pretty beat up, but the end results were pretty good, and the client was very happy. BTW, Chris rebuilt the tweeters for this project. Post#7 shows the wax paper being used to help make a mold for the corners. I'd post the pics here, but I've use up all my space here with pics in other threads. Cheers, Glenn https://audiokarma.org/forums/index.php?threads/new-ar-3a-restoration-project.795357/
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