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View Full Version : Did JBL or Lansing make a 12" Bass Guitar Speaker ??



audiorep2
11-24-2006, 09:16 AM
I recently aquired a 60s Kustom 100 bass amp. The cab has 2 x 12" CTS speakers.
Did Altec ever make a 12" bass guitar speaker ?
I'm fairly sure JBL did not.

spkrman57
11-24-2006, 09:22 AM
The 15" was either a 418 or 421.

Ron

johnaec
11-24-2006, 11:25 AM
'Don't know if you're looking to change your speakers, but JBL never made a 12" speaker specifically for live bass guitar. A pair of 2206H drivers would work pretty well, assuming the cabinet port parameters were correct. http://www.jblpro.com/pub/components/2206.pdf .

Or if you really wanted to get a lot of LF output capability from a small system, the W12GTi, (car audio), will blow the pants off any other readily available 12" driver, but it takes quite a bit of power for maximum output: http://www.jbl.com/car/products/product_detail.aspx?prod=W12GTI

Here's a pic of the similar but smaller W10GTi:

JBL also makes some newer 12" drivers for use in their pro systems, but I'm not sure how available they are...

BTW - 'nice instruments you have! I'm also a bass player.

John

CONVERGENCE
11-24-2006, 03:48 PM
You might want to look at the 417 and check with GPA. I believe he is making them again.

http://www.lansingheritage.org/images/altec/catalogs/1978-mi/page07.jpg


http://www.greatplainsaudio.com/


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moldyoldy
11-24-2006, 08:52 PM
Vintage (Ross) Kustom MI amps were available with several speaker options, all easily identifiable from the model number. First, the standard 1-15 or 2-12 nomemclature discloses the number and size of the speakers, and is followed by a letter to designate the driver manufacturer, A=Altec, L=JBL, J=Jensen, and C=CTS. I'm guessing you've got a 2-12C, which was the only 2-12 model targeted specifically for bassists that I'm aware of, the other 2-12 options being for guitar. If you feel your setup is unsatisfactory for bass with the CTS drivers, you'll not likely be happy with other (period-correct) 12" drivers either. It appears that the cabs were the same size for both 2-12s and 1-15s, so I'd suggest building a new baffle for a single 15 (ports will need relocated), and installing a JBL D-140F or Altec 421A or -8HII, either of which will definitely "get down" lower than any pair of 12s. Obviously, check first for fit, and be aware that the later, large-frame Altecs actually measure 16" across.

For more info on tuck-n-rollology, check out these sites;

http://www.vintagekustom.com/frame.html

http://www.broadwaymusicco.com/kustom1.htm

(ADD/edit) I've got an extra 421 or two I'd love to trade for that purty red ES......