Search:

Type: Posts; User: grumpy; Keyword(s):

Page 1 of 20 1 2 3 4

Search: Search took 0.83 seconds.

  1. Thread: On Facebook

    by grumpy
    Replies
    2
    Views
    118

    This is what you would see initially, for those...

    This is what you would see initially, for those interested (not an endorsement or recommendation):

    88717
  2. Thread: On Facebook

    by grumpy
    Replies
    2
    Views
    118

    Perhaps you can elaborate. Private Japanese...

    Perhaps you can elaborate.

    Private Japanese Vintage Altec fan page? Did you join? Was it worthwhile? ...

    In the future, it might be be helpful to at least minimally describe rather...
  3. Replies
    7
    Views
    146

    are you clicking on the little ‘Remember Me’ box...

    are you clicking on the little ‘Remember Me’ box next to the login fields?
  4. Replies
    10
    Views
    184

    fiberglass? Cheap, readily available, works well...

    fiberglass? Cheap, readily available, works well and doesn't deteriorate. Used effectively in ported (open?) systems for ages. Could staple cheesecloth over it if there is a concern.

    Re...
  5. Replies
    10
    Views
    184

    Cool to maintain that legacy system! Some folks...

    Cool to maintain that legacy system! Some folks really go for that kind of grill cloth too.

    Pictures are always appreciated. Personally, if I can learn something it's all good :)

    You'll likely...
  6. Thread: KM2

    by grumpy
    Replies
    313
    Views
    20,490

    Well, this thread has had some interesting...

    Well, this thread has had some interesting moments.

    When the Everest cabs eventually came into the picture, I thought ... cool, just build some Everests with 2216s a Radian BE and adjust to the...
  7. Replies
    31
    Views
    1,095

    Here's a bit of somewhat related reading fun: ...

    Here's a bit of somewhat related reading fun:

    http://www.princeton.edu/3D3A/MediaCoverage.html
  8. Replies
    2
    Views
    224

    Looks a bit like Altec boxes such as the Carmel...

    Looks a bit like Altec boxes such as the Carmel (quite possibly DIY) with a JBL load.
  9. Replies
    372
    Views
    124,629

    I'll give it a go :) There are two channels (L...

    I'll give it a go :)

    There are two channels (L and R) brought to the six single conductor banana jacks:

    Left and Right channels are grouped in the two horizontal rows (of three jacks).
    The...
  10. Replies
    103
    Views
    10,339

    There was someone selling an equivalent item (as...

    There was someone selling an equivalent item (as stated by the seller) on ebay at one time (?) or perhaps contact member Edgewound for one of his.
  11. Replies
    103
    Views
    10,339

    Personally, i’d leave the hole alone and not...

    Personally, i’d leave the hole alone and not worry about it.
    re alignment, if the adhesive is now completely ineffective, you could try thin, double sided tape... A sweep test will bring out any...
  12. Replies
    372
    Views
    124,629

    I remember :D kinda quirky, but a nice option.

    I remember :D
    kinda quirky, but a nice option.
  13. Replies
    103
    Views
    10,339

    Yes, same lack of ribs on the aquaplassed 4"...

    Yes, same lack of ribs on the aquaplassed 4" dias. I bet they tried it. Probably dampened the upper freq tizz that the stiffened/ribbed diaphragms added to measurable and noticable effect, so why...
  14. Replies
    103
    Views
    10,339

    JBL did put aquaplas on these Ti domes... LSR32...

    JBL did put aquaplas on these Ti domes... LSR32 and 28. 053Ti ... don't know if that was instead of, or in addition to foam. :dont-know:

    Also, the residual adhesive on the 'plinth' is sufficient...
  15. Replies
    103
    Views
    10,339

    Nice. You can see how squishy the foam is. Lots...

    Nice. You can see how squishy the foam is. Lots of good info!

    Congrats Grandpa Ken! :)
  16. Replies
    103
    Views
    10,339

    Sounds like a good plan. A few mm of 'squish' is...

    Sounds like a good plan. A few mm of 'squish' is probably safe, vs more for the original. But not being able to compare makes being conservative a likely wise move. Don't want to deform/damage the...
  17. Thread: KM2

    by grumpy
    Replies
    313
    Views
    20,490

    What happens behind the grille cloth, stays...

    What happens behind the grille cloth, stays behind the grille cloth? ;) Good luck with that here.

    I seem to recall Greg (at one point) had his system set up with 4 separate amps (one OEM/Pascal...
  18. Replies
    372
    Views
    124,629

    Straightforward layout, no nonsense, and a beefy...

    Straightforward layout, no nonsense, and a beefy power supply. Those switches are serviceable as well.
    Haven't heard one (or if I have, it was long enough ago that I can't count it), but I expect...
  19. Replies
    9
    Views
    746

    Wondering about 2216Nd as a current/serviceable...

    Wondering about 2216Nd as a current/serviceable replacement, possibly an improvement... seems like someone may have tried this in an L300 (not far off).
  20. I think Mike meant a filter to block the lowest...

    I think Mike meant a filter to block the lowest frequencies, ... a high-pass filter (on preamps there used to be a 'rumble' filter so turntables wouldn't feedback or put undue/inaudible LF into the...
  21. Replies
    9
    Views
    746

    A few things... 2231 recone kits have been...

    A few things... 2231 recone kits have been unavailable for quite some time. The suggested factory replacement (2235) kits -may- also now be unavailable... Perhaps you'll get lucky in either being...
  22. Replies
    103
    Views
    10,339

    That should be fine. The charcoal pick&pluck foam...

    That should be fine. The charcoal pick&pluck foam from the same vendor might be worth checking too (nice sized chunks pre-scored). Whatever is used should compress -very- easily. The foam plug that...
  23. Replies
    103
    Views
    10,339

    tape, sticky side out, on a stiff piece of...

    tape, sticky side out, on a stiff piece of plastic... e.g., part of an old credit card.
    new tape, clean gap, inspect gap and tape, repeat until clean.

    You don't want to add any abrasive or metal...
  24. Replies
    12
    Views
    1,076

    I assumed they were what triggered the question....

    I assumed they were what triggered the question. Cat's out of the bag now. Have to pull the drivers to know for sure, but they look pretty clean other than paint and the inevitable goop drip.
  25. Replies
    12
    Views
    1,076

    Perhaps very early 4310. Good luck: ...

    Perhaps very early 4310. Good luck:

    http://www.lansingheritage.org/images/jbl/catalogs/1971-pro/page03.jpg
Results 1 to 25 of 500
Page 1 of 20 1 2 3 4