Re: This popped up on Twitter today. The Avid 1 Media Composer from 23 years ago.

[olof ekbergh] "Does anyone remember Radius Mac Clones and their Radius Telecast."
Hi
Yes!
My Radius VideoVision arrived in December 1993 in a Quadra 840AV Mac with 32MB RAM - the RAM alone cost nearly £2000, and a 5.4GB SCSI raid array that cost £6000 and sounded like a jet engine powering up...

Upgraded to the Telecast breakout box running component into a UVW betacam recorder, and later fitted into a PowerMac 9150 nubus Workgroup server (the one with 4 slots and a Quadra 950 case), I online editied corporate videos very successfully until Christmas Eve 1999.

After the shutdown for the millennium celebrations I never switched it on again.... :-(
From then on I used FW in a B&W G3 with Premiere 6/6.5 and later FCP 2++ in G4s/G5s....

Whilst using Premiere v3.1.3 and 4 in the early days I remember often being up at 3am still trying to maintain sync on playout to tape of a 20min show. :-(

With later versions of Premiere, and with Radius' own Edit NLE software things were a bit more stable.
But everything was cut in 3 min sequences - that was how it had to be done ! ;-)
I think Apple licensed some of Radius' optimised code to incorporate into QuickTime v2.5 to help the loss of sync problems.

At the time I got the first system M100 as it started out was non-compatible with Quicktime, running its own proprietary media file format, so for that reason it got ruled out (like Avid was because it was only offline).
It was the 5MBytes/sec capability of the Quadra 840AV's nubus system feeding into the Telecast's component hardware that allowed full-res full-motion onlining to be achievable in practice (sort of LOL!)

The initial kit cost the price of a small house (it was paid for by a Government scheme).
The final late 90s kit cost the price of a small car - which I did pay for - because it earned me a living.

And just for the record I started as a film editor for BBC Television just after they began broadcasting on a second channel - BBC2 - in 1964 :-)