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In Reply to: CTC Loudspeakers posted by jweiss on February 16, 2007 at 12:24:47:
Fwiw, CTS (if that is it) used to be a driver company in Paducah Ky (I think).
They made many woofers with square 55 oz magnets back in the 70’s and 80’s and went out of biz some time ago.
Follow Ups:
CTS stopped making drivers larger than 8" many years ago, but they still made their smaller drivers until recently.A few years ago you could still buy from Digi-Key the 4-1/2" pin-cussion frame full-range driver that was used in the early Bose 901s.
hey Tomservo - just bumped into this website
Hi FreddyiHey thanks for the link, kind of cool to see they are still in the biz although I am pretty sure they changed hands. I worked there in the mid 70’s for a few years, half the day doing production check out and repairs and the other half in the lab with Al.
It’s funny at that point in time, Al did the highly odd thing (I thought) of using a 6GT5 (I think) as his main output tube.
Later I found that they got a real deal on a zillion of them (I think they were originally a sweep tube) and they amps did work well.
I used to do service to so every other month or so I would bring home a shopping bag or two of Bad 6GT5’s which became targets for pellet guns.
Funny too, there was a nice old lady who ran the parts room who practiced witch craft, a guy named Louie the Janitor who was up on all the scuttlebutt and a great guy named Peter who hired me and who was an amazing guitar player..
Some years later at Servodrive I hired Pete to run production.
Unfortunately the 45 min toll ride and the gas my beater used, combined with low pay and no where to go eventually prompted me to look for another job.
Thanks for the link, I thought I had a 260 but the Grommes amp I still have is a 221.
Best,Tom Danley
It's been around for a long time.Excellent amps.
The fellow who designed Ron Welborne's earlier amps works for Precision.
-- used to have letters from Al on G-tube circuits - resally nice guy - IIRC indicated Chicago's output iron wasn't the greatest - also seems like AH had moved on to solid-state circuits for personal use - might have lost the letters. still have a few partial Bruce Moore schematics for feedback RIAA including one samll envelope thing he drew up for me.
I remember CTS with the square magnets. Used many of them in W bins back in the 70s.
Later in the 80s I bought radio xtals from CTS.
There is this CTS. Same company?cheers,
AJ
The threshold for disproving something is higher than the threshold for saying it, which is a recipe for the accumulation of bullshit - Softky
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