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    http://www.audioheritage.org/vbulletin/showthread....

    http://www.audioheritage.org/vbulletin/showthread.php?8023-Are-You-a-Good-Moderator&highlight=

    http://www.audioheritage.org/vbulletin/showthread.php?8004-Are-you-a-good-Forum-poster&highlight=
    ...
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    I think it depends on who you are or where you...

    I think it depends on who you are or where you live. JBL is still strong in the studio, record plants and broadcast industry. In the consumer market they are highly sort after in Japan and HongKong...
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    Hi Michael, Yes Matt was quite helpful in...

    Hi Michael,

    Yes Matt was quite helpful in answering some questions.

    Selecting the cartridge was a challenge because I was un familiar with what was what and Matt was quite helpful in answering...
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    My Kenwood TT, 40 years old with FR 12 arm and MC...

    My Kenwood TT, 40 years old with FR 12 arm and MC 44 cartridge.

    I few weeks ago I pulled it out for a clean and noticed the arm mounting and a few other things were loose.
    The 12 mm particle...
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    Quote”The activity here is lifeless. A real pity....

    Quote”The activity here is lifeless. A real pity. Facebook is alot more active. All the experts have disappeared or don't care anymore”.

    One more time.

    I am not aware of a significant jbl...
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    Quote by OP 17/07/2017”Has Tad overtaken JBL in...

    Quote by OP 17/07/2017”Has Tad overtaken JBL in build quality and sonic superiority years ago?
    This is what i have been hearing among the JBL community. Even everest paragon L300 hartsfield cant...
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    But Google lists the discussions

    But Google lists the discussions
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    To be honest l don’t think it’s an age issue and...

    To be honest l don’t think it’s an age issue and l don’t think it’s an issue at all.

    If you come here to be entertained by other people’s questions your out of luck.
    If you come here for a Yaba...
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    Richard raises an interesting point. However...

    Richard raises an interesting point.

    However looking at what projects have been posted over the past 12 - 18 months the statistics might not support this hypothesis. The media last night in the...
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    The 8 inch mid woofer was nla before Jbl stopped...

    The 8 inch mid woofer was nla before Jbl stopped many of its recones so l do t think it’s an appropriate example.

    As to the 4312 the woofers and the original or after market mid drivers and 035’s...
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    Widget makes some good points. There was a...

    Widget makes some good points.

    There was a period of discovery and excitement and that applies to lots of interest areas not just vintage loudspeakers.

    However there are still people out there...
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    Tell that to your loudspeaker that has a woofer...

    Tell that to your loudspeaker that has a woofer inductor in the passive crossover with typically 0.5 ohms dc resistance (JBL).

    So the damping factor is 16! The output impedance of either a value...
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    Impressive

    Impressive
  14. [So It looks to me like I need to 1. Install...

    [So It looks to me like I need to

    1. Install a capacitor in series with the HF driver somewhere? What value?
    2. Install a resistor across the driver terminals to shunt the reactive component? ...
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    They are. However the newer 2123 requires a...

    They are.

    However the newer 2123 requires a modification to mid filter.
    Search for Jbl 4344mk11 schematic.
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    https://www.parts-express.com/pedocs/specs/294-412...

    https://www.parts-express.com/pedocs/specs/294-412-jbl-2426j-specifications.pdf

    Read the above link

    The 2425J is technically identical except it does not have removable snout.

    The 275nd was...
  17. No problem.

    No problem.
  18. Your funny. I bought the DBX to fill a gap...

    Your funny.

    I bought the DBX to fill a gap after sending my Pass Labs diy active crossover to an LHS forum member who still has it. That was a long time ago. The difference was night and day in my...
  19. https://dbxpro.com/en/products/234 I don't...

    https://dbxpro.com/en/products/234

    I don't think the above crossover will provide enough flexibility for the starting point of a diy loudspeaker such as this.

    My recommendation is to do the...
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    As an alternative there is a diy design here....

    As an alternative there is a diy design here.
    The concept is similar by a reputable designer.
    It uses an 18 inch woofer. Still overall a costly project but the drivers are accessible.
    ...
  21. Mr Widget makes some excellent points. The...

    Mr Widget makes some excellent points.


    The Accuphase is a fine unit but the plug in boards are now difficult and expensive to obtain.

    I would be patient and continue your investigations...
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    There are a few phono stages with AD conversion....

    There are a few phono stages with AD conversion. So the data could be stored and then played back through a digital signal path. These are generally budget quality products.
  23. You will find the dispersion (power response) of...

    You will find the dispersion (power response) of the 604 horn a contributing factor to the tonal balance.
    I would leave it level unless you understand the impact of the power response.

    About the...
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    Simply wear a face mask during installation. ...

    Simply wear a face mask during installation.

    It’s only a problem when you start cutting or tearing apart the fibre glass.
  25. You can use other materials but they won’t have...

    You can use other materials but they won’t have the same sound absorption coefficient as fibre glass. Fibreglass is a known quantity and it’s properties are predictable. Other materials may also...
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