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Jim Pearce

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Posts posted by Jim Pearce

  6. For sale, AR 2ax speakers and parts

    in For sale / Wanted

    Posted

    I have been out of the loop for a while but I'm back and am letting you all know that I have cloth surround woofers for 2ax, red tweeters, mid-ranges and crossovers, etc.

    Basically everything including cabinets which are very rough. No badges, however. Also, no potentiometer knobs.

    Not sure what these items are worth.

    I was going to work on getting together another pair but I am just not into it lately.

    I would prefer discussing any terms by phone.

  8. DIY Supertweeters

    in Other Speakers and Electronics

    Posted

    On 3/11/2019 at 5:25 PM, JKent said:

    Those look nice but the price is pretty horrifying. Don't know about you, but at my age maybe using supertweeters is an exercise in futility. Haven't had a hearing test lately but I'm sure the high frequencies have "rolled off." ;)

    See Wikipedia for pschoacoustics.

    Ever since day one audio has been all about the tweeters for me and it was very gratifying to read this the first time I found it.

  12. Early AR-2ax restoration from TX

    in Acoustic Research

    Posted

    On 6/17/2021 at 3:16 PM, ar_pro said:

    Except for the big moisture stain on the one speaker, these don't look very bad at all - you should be able to keep them in essentially original condition, which would honor their history. Are the cabinets otherwise undamaged?

    The "AR" logo is painted on the badge, and using Brasso might damage it. There are brand-new reproduction badges available for very little cost.

    No need to replace the staples, as velcro strips will hold the grille panel in place and allow for easy removal should you need to get back in.

    There are members who've had their tweeters rebuilt, as well as several who are experts at dealing with the cloth-surround woofer, so wait for their responses.

     

    I need to get in contact with some of these people that are experts in dealing with cloth surrounds on the 2ax.

    I bought the pair from the auction site and they are deformed.

    I'm wondering what I can do to get them back into the proper shape or profile.

  14. AR-2ax Tweeter Damage-Input Appreciated

    in Acoustic Research

    Posted

    Jeepers, I just realized you asked me how they sound.

    I'm a little bit scared to start messing around cuz I don't know what the hell I'm doing.

    I have listened to the three quarter inch domes in a pair from the physics professor, I am now using the modern ones an AV receiver.

    I haven't really given them a fair shot and certainly not done a side by side AB.

    The person that rebuilt my Black dome tweeters appears to be very talented, dependable and everyone says he does super high quality work.

    I know they are appreciating and it was a great investment and thank you everyone for guiding me on this especially that guy, he knows who he is LOL.

  19. Surround sealer

    in Acoustic Research

    Posted · Edited by Jim Pearce

    Yes what about the crisis however of not having the sealer available?

    You people have saved me hundreds and hundreds of dollars because before I ever heard about the group I was very close to using PVA and or some of the other materials the unaware have suggested.

    I've accumulated three bottles of the group but one day it will be gone as I continue to use it on several pairs of sixes that I have as well as a realistic Radio shack Optimus 7 end table pair as well as the 32s and 17s I have.

    By the way, I can still hardly wait to install into various pairs of 2ax my two pairs of reworked tweeters from Chris!

    One pair rebuilt by physics professor here, one pair that appear to be roid out, yes, you, Roy, and a couple of boxes that I bought some cloths surround woofers for and have been saving a pair of the tweets to use there.

    It may have to be a birthday present for the last day of June.

    I better get busy with all this junk because I don't want it to be one day too late and from up there here someone say oh that old junk? You give me 50 and you can have it all.

    By the way guys, over the years you probably have no idea about the level to which you have changed and improved my existence. I owe you all beyond what I can express.

    I guess some people might think that it's a little bit sappy to say this, melodramatic or whatever but as a hopeful romantic I will say that what I've gone through is what all this s*** is about.

    You've paid it forward.

    Oh, speaker placement? I know, I know...those poor boy 3as are temporary sound reinforcement for some L1290s I recently acquired and am evaluating.

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  22. New Veneer?

    in KLH

    Posted

    Hey there Jkent,

    Can you send me to a place to learn how to use Howard's restore finish on some junked up cabinets?

    Also, what is the proper way to reform corner bashes? I've read that some guys make a dam out of tape and then fill it with some material.

    What is the best material that will take stain and is relatively easy to smooth off and restore the sharp corners?

    I have some pretty simple stuff as in what's in the photo but I also have a couple of cabinets that have the entire corner flattened from being dropped.

    Second photo is of particle board cabinet that's handy, shown for example of flattened corner and I assume that the same technique will work for a veneered cabinet.

    I guess that if the two panels have separated to some degree I will have to use yellow aliphatic resin carpenters glue and bar clamps to clamp a strip of wood stock along the length of the joint?

    Any recommendations from anyone surely welcome.

    First time refinisher here.

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  24. AR-2ax Tweeter Damage-Input Appreciated

    in Acoustic Research

    Posted · Edited by Jim Pearce

    A couple of pairs have been rebuilt by a physics professor here and the one with the aftermarket tweeter I have tried but was not impressed.

    I'm still trying to find out if it is faithful to Roy C's design.

    I have one pair like that and one pair with the red and one pair with that has no tweeters where I will use the black. 

    A gift from the professor, extremely rough cabinets and mismatched foam  woofer types that need foam surrounds.

    I recently bought a pair of first iteration cloth woofers that I have not yet tested but intend to use those there.

    Obviously they are going to need recapping and cleaning of the pots but most likely replacement with L-pads.

    I learned on this thread just now that there needs to be an element added to the crossover in order to make that change.

    Happy to say I have probably about five jars of the goop that I've been using on the KLH sixes and an old pair of Magnavox horn driven and some old realistic model sevens.

    I can't thank all of you enough because over the last two years or so since I have barely only heard of acoustic research...

    The photo shows a rebuilt 8080 and a pretty run of the mill disc deck with a Pickering xv15.

    I have a functional XA here and an xsv3000 that needs to be re-tipped.

    One of these days...

    I'll probably use the consecutive serial number sixes that have been grouped with my 2238 Marantz and an ax900 Yamaha.

    I've got some ADS L1290s running in the garage from a pretty decent Onkyo HT unit.

    Thanks to you guys I have come one hell of a long ways in the last 10 to 20 years since my old Panasonic 15 watter driving some Thrusters!

     

    IMG_20201220_185331.jpg

  25. AR-2ax Tweeter Damage-Input Appreciated

    in Acoustic Research

    Posted

    On 12/22/2020 at 12:04 PM, JKent said:

    RoyC and chris1this1 both repair those. Probably busy with holidays so hang in there 

    Kent

    7 hours ago, Aadams said:

    The main point in the @RoyCpost above is number 3.  All the epoxy glue in the world will not restore the disintegrating foam beneath the dome and in the (three orange dot) suspension. In my experience, none of the original foam suspension tweeters operate anywhere close to spec, which is why the HiVi mod sounds so good in comparison. Having your tweeters rebuilt, combined with Lpads is the way to go. If cost is an issue, a HiVi can be a good bit less but only if you DIY.

    Adams

    20 hours ago, Phxjohn said:

    I would go with Roy's or Chris' rebuilt tweeters. I have HiVi Q1R's and I am replacing them with rebuilt. 

    I was delighted to find that these are repairable even to the extent that Chris can 3D print missing parts of the flanges.

    I have a pair with the older red domes, a pair with the Hi-Vi and two pair of the three quarter inch black domes.

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