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  1. Replies
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    Music bliss

    Now I can say that I have managed to solve all my problems and listen to some music on my DYI 4346. All the thanks go again to Mr Ian MacKenzie who lend me his First Watt B$ until my handcrafted...
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    Do you consider selling them? I have two 2123...

    Do you consider selling them? I have two 2123 baskets.
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    2122

    Where did you find the 2122? I ended up using 2123 instead?
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    Seting the l-pads

    You should buy yourself a Dayton mic https://www.amazon.com/Dayton-Audio-iMM-6-Calibrated-Measurement/dp/B00ADR2B84 attachit to your iphone, geta db meter app and you're in business. Fix the mic in...
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    Lpads

    It is difficult to tune in the l-pads by ear. When I was tuning the l-pads I was using a dB meter. Nevertheless when the l-pad is full off the speaker should be almost silent. Is this the case?
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    I know the feeling. I have started my own project...

    I know the feeling. I have started my own project last year and still not done with it.

    http://www.audioheritage.org/vbulletin/showthread.php?37868-JBL-4346-DYI-with-2123H&highlight=

    My...
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    How is the sound?

    Are you happy with the sound? What crossover are you using for the bass amp?
  8. Bad room

    I think bad room is indeed the issue. When I moved in my new home with my old proacs which had a lot of bass in the concrete walls 21 sqm room Now in my new plaster walls 60 sqm room the bass is...
  9. surround softening

    I have a new 2235 recone kit from SS audio installed on an E140 chassis. I was wondering if softening the foam surround somehow will improve the bass.
  10. Softening the surrounds

    Is there a way to "soften" the surrounds in order to get more bass?
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    Hybrid crossovers a big no no

    Hello boys and girls,

    This post is a heads-up and is written as a result of six months of extended testings and listening sessions, soldering and changing cables and modifying boxes and...
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    I read that using a 51g mass ring in this...

    I read that using a 51g mass ring in this configuration will settle the deal. You say that I did wrong using those baskets? Will I have an improvement is I would use real 2235's? Would the bass...
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    I bought the mass ring from ebay.

    I bought the mass ring from ebay.
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    2235 recone kit on E140

    have used an aftermarket a 2235 recone kit from SS audio on a E140 basket and is working like a charm. However I used a mass ring
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    HOW do you use the DBX?

    Can you explain how you connect the DBX to the speakers? Do you use 2 DBX and how many amplifiers? I imagine 8 channel amplifier? And the TWO DBX are connected to each other ? How do you feed the...
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    Beryllium diaphragm for JBL 2425

    Is anyone aware of beryllium diaphragm for JBL 2425 1" I looked for it at Truextent and apparently the only make such diaphragms for bigger diameters speakers.

    I understand that replacing the...
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    closing in on Valhalla

    I want to extend the feeling of gratitude to the members of this forum, and especially to Mr. Ian McKenzie who is a real professional and a great man. He instructed me remotely to succeed in getting...
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    latest measurements. pink noise full on lpads one...

    latest measurements. pink noise full on lpads one meter on axis with the horn with the lenses on. calibrated dayton mic7200972010
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    internal wiring recommendation

    Any recommendation on the internal wiring of the speakers?

    what should I use? solid core copper or stranded copper? what caliber?
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    Dayton mic

    My Dayton mic has arrived. Now I can do some serious measurements. Awaiting instructions....
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    Great work Ian, Now we know how it should look...

    Great work Ian,

    Now we know how it should look like. looking forward to seeing the giskard graph.

    how will you combine the two parts of the filter.

    I am currently ordering the H version of...
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    the left speaker is a mess

    the membrane is ripped under the cap and was glued to the spider in the worse manner possible And with a ton of glue. 😡

    No chance... need new speaker.
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    disaster

    left is 8 ohm right is 6.9 ohm measured at the posts.
    difference in spl left is a full 5 db lower than right. The drivers were fed directly from my accuphase. no balance issue on the amp. I made the...
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    testing testing 123

    Ian,

    i tried to do it as explained but my fear is that my 2123's are busted. at the same volume the same distance i have about 3 to 4 db difference between the right and the left speaker. Next if...
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    ports tuning

    thank you ian. I have solid bracing inside the box. I tried to replicate the 4346 from krs. double backbone and double struts between the baffle and the back above the small box.
    my room is the...
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