UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

ortek_service · 29th Mar 2021, 3:53 pm

I presume you have fitted for IC13, the original 7445 (80mA sink) ?
- rather than the 7442 (16mA sink), that NS used on their Introkit with it's slightly smaller pocket calculator display / keypad or a lower-power version of either.

29th Mar 2021, 3:53 pm	#290
ortek_service Octode Join Date: May 2018 Location: Northampton, Northamptonshire, UK. Posts: 1,443	Re: I found it! A very sorry looking MK14. I presume you have fitted for IC13, the original 7445 (80mA sink) ? - rather than the 7442 (16mA sink), that NS used on their Introkit with it's slightly smaller pocket calculator display / keypad or a lower-power version of either.