Problem solved. (I think)

The On-Stage part seems very similar, and e-mailing On-Stage confirms 1.5" tubes.

So I ordered 6. I'll return if they don't fit, but it looks like they will do the job.

Thank you all for your excellent suggestions and willingness to help.


Bob "Notes" Norton smile Norton Music
https://www.nortonmusic.com

100% MIDI Super-Styles recorded by live, pro, studio musicians for a live groove
& Fake Disks for MIDI and/or RealTracks