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View Full Version : I picked up a set of JBL C40 Harkness speakers need help with version



onearmrog
02-27-2016, 08:15 PM
I purchased a very nice clean set of JBL C40 speakers that only have the D130 woofer, has all the cut-outs, access panels bracing etc for the crossovers and tweeters but they have never been installed. I know you had options when ordering the C40 cabinets but what model of C40 would they be with just the D130 loaded? IE they are not 001 or 030, any help would be helpful. Also what is the thread size for the legs ?

Thank you.

JeffW
02-27-2016, 09:18 PM
Can't help with legs, but here's a catalog page with the different C40 loads listed. Looks like it was just called the "D130" load.

http://www.lansingheritage.org/images/jbl/catalogs/1962/page16-17.jpg

BMWCCA
02-28-2016, 06:53 AM
Also what is the thread size for the legs ?

Standard U.S. thread. I only have Metric thread gauges or I'd measure for you. Course thread, rather than fine, and around 1/4 or less. I'd have to dig out a box of legs. Probably easier for you to buy $1 worth of bolts at the hardware and carefully thread them in to find the size.

This won't help: http://audiokarma.org/forums/index.php?threads/jbl-metal-legs.286162/page-2