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Martyn Miles
10-11-2014, 19:56
I have bought an unusual pair of these off of eBay. I owned an early pair a while ago and really liked them.
These have the usual Rogers bass/mid. driver. ( Actually the chassis was made by SEAS ) The SEAS tweeters were 'kaput', but I easily found a new pair on the Internet.
The crossovers have ROGERS ST3 on them, but are not properly laid out with the components. Hard wired mostly, and mounted at the top of the cabinet where the XLR input terminals come through the rear panel.
There are no labels, only white paper ones with symbols and 'crossover' written on them. Also, red dymo tape labels with 'BBC LS' on them.
Looking forward to getting them repaired and running.

Martyn Miles
03-12-2014, 19:09
I spent some time getting these together after fitting Speakon connectors to replace the XLRs. The XLRs were not airtight, unlike the Speakons. ( I wonder how XLRs perform with prof. speakers. Perhaps there's an airtight version ) One loudspeaker worked well, but the other didn't. I suspected a dry joint somewhere within the crossover.
After some investigation I couldn't track down the problem, so left things for a while.

As I was working to get a pair of speakers for my son, I concentrated on other makes/models and came up with a pair of Kef Codas. Got them working with drive units I managed to buy, so the Studio 3s were rather redundant.

So I was left with two new SEAS tweeters and bass/mid. drivers on front baffles, two crossovers and two cabinets.
I managed to sell everything except the cabinets, which I decided to keep for a future project. They will take LS3/5a size baffles and are high quality items with full bitumastic panel damping, like standard LS3/5a cabinets.

So, if someone wants a pair of LS3/5as built, I'm your man...
I recently built a pair, whose pictures can be found on the Yahoo LS3/5a Site.

As Gordon Lightfoot says, 'Ever onward'.
M Miles.