Orchestra-85 Repro for the Model I
Who is it for? It’s a stereo music synthesizer with up to six octaves, 5 simultaneous notes (or voices), each of which can be assigned any of five instrumental choices (tone colour registers). Plays old /ORC music files. ONLY $USD60.00 + shipping
March 2020
I continue my series on connecting a serial mouse to the Model 4/4P, introduce a new Speed Up modification for the Model III “Sprinter III”, and I also release an Orchestra-85 music synthesizer for the Model I. I also get the Orchestra-90 working on a Model 4 with a FreHD.
Model I Heavy-Duty PSU Kit (now with cables)
Who is it for? It’s for Model I owners who want a reliable power supply to replace the original ‘black brick’ which regularly fail after 40+ years of use. My kit comprises of the PSU circuit board, and the pictured discrete components. When it arrives you need to order the two transformers…
The difference between a single-sided and double-sided 5.25in disk drive head cleaner
https://www.youtube.com/watch?v=Qee27BLChoE
Coco RS-232C Interface
Who is it for? It’s for Coco owners who want a reliable high-speed RS232 port which leaves the bit-banger serial port free to connect a printer. My repro Coco RS232 Pak is fully compatible with the old R.S Deluxe RS232 program pak cat. no. 26-2226 but made from new components and with gold plated…
December 2019
I talk about my visit to Tandy Assembly 2019, I review game software released in 2019 by Cat Mantra, Nickolas Marentes, Peter Cetinski and Jim McClellan, and I start a series on connecting a serial mouse to a Model 4.
September 2019
I talk about what I’ll be doing at Tandy Assembly 2019, introduce a new Speed Up modification for the Model I “Sprinter”, and I have a look back at the Norcom TC-III, which was a Model III upgrade for the Model I.
June 2019
I write about Tandy’s low-end and oddball printers like the Quick Printer I and II, Screen Printer, and TP-10. I release a Coco RS232 Pak repro, and discuss what is/was NewDOS/86 and NewDOS/90.
March 2019
I write about Tandy’s early Colour printers like the CGP-115 and CGP-220, I explain how to build the 2019 Model I PSU, and I talk about F48 (FreHD) for the 8in TRS-80s.
Extender Cards for the 8in TRS-80s
Who is it for? These cards connect to the TRS-80 Model II/12/16/16B/6000 and bring the cards out of the card cage to where you can work on them. ONLY $USD100.00/pr + shipping (or $US60.00ea)