Rtr speakers

Yes, it’s opened

Have been searching for a replacement, no joy.

is this unit a step up transformer?

@musicalaviator: I would contact the JansZen Electrostatic Company. Though they did not make the RTR ESL tweeter (a great one, used not only in the Fulton Model J---a pair of which I bought new in 1974---but also the Wilson Audio WAMM and the ESS Transtatic I, the latter of which I currently own), but they have a very long history with building ESL loudspeakers, and can probably advise you on the availability of a suitable transformer.

Glad to here you are familiar with FMI, I purchased mine from the original owner in 86, still sound pretty good. I’ll reach out Janszen, hopefully they can help.

Hello this is Tom Moore, I’m probably one of the last Fulton enthusiasts alive with 3 pairs of Fulton Js, two pairs of Premieres, 80s, 100s, and Nuances. I personally worked with Fulton a lot and know a vast deal about all his equipment. I have a ton of parts and I could get you replacement parts for the electrostat or anything else you may need. I was just looking up current prices for Js and saw this post on search results. I haven’t used this forum much, so hopefully I can share outside contact information, so send me an email at: tmooreanalytic@att.net

Tom