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Leading Edge Model M keyboard "8815K" review (Keytek inductive)

Posted: 02 Feb 2019, 10:49
by Chyros
Today we look at what appears to be a very rare keyboard with a very rare switch design. Also, there's a fair bit of history behind this one. Hope you enjoy the video! :)

Re: Leading Edge Model M keyboard "8815K" review (Keytek inductive)

Posted: 02 Feb 2019, 15:52
by Sangdrax
This is one of my favorite kinds of switch types, and it's so hard to find ones that are compatible with modern PC's or converters. That's why it's such a shame the keyfeel on this isn't very good.

Re: Leading Edge Model M keyboard "8815K" review (Keytek inductive)

Posted: 02 Feb 2019, 16:02
by Chyros
Sangdrax wrote:
02 Feb 2019, 15:52
This is one of my favorite kinds of switch types, and it's so hard to find ones that are compatible with modern PC's or converters. That's why it's such a shame the keyfeel on this isn't very good.
It might be salvageable with some lubricant or something. Although it'll still be fairly stiff I imagine.

Re: Leading Edge Model M keyboard "8815K" review (Keytek inductive)

Posted: 02 Feb 2019, 16:17
by JP!
Great review. Cool keyboard.

Re: Leading Edge Model M keyboard "8815K" review (Keytek inductive)

Posted: 02 Feb 2019, 18:01
by Lbibass
I saw a board with these switches either on Taobao or ebay the other day, let me see if I can find the listing.

EDIT: It was the other board that you mentioned! https://www.ebay.com/itm/Vintage-Prime- ... 3494841848
It stood out to me mainly because it seemed like it would be a keytronic foam and foil board from the placement of the LEDs and the font, but then it wasn't!

Re: Leading Edge Model M keyboard "8815K" review (Keytek inductive)

Posted: 02 Feb 2019, 18:37
by Chyros
Lbibass wrote:
02 Feb 2019, 18:01
I saw a board with these switches either on Taobao or ebay the other day, let me see if I can find the listing.

EDIT: It was the other board that you mentioned! https://www.ebay.com/itm/Vintage-Prime- ... 3494841848
It stood out to me mainly because it seemed like it would be a keytronic foam and foil board from the placement of the LEDs and the font, but then it wasn't!
Yes, those use switches that look like the ADI type.

Re: Leading Edge Model M keyboard "8815K" review (Keytek inductive)

Posted: 02 Feb 2019, 18:46
by derzemel
very interesting switches. I wonder why Keytek chose to use induction, instead of Hall effect for their switches

Re: Leading Edge Model M keyboard "8815K" review (Keytek inductive)

Posted: 02 Feb 2019, 18:55
by digital_matthew
Gotta love a keyboard with built-in toroidal amplifiers. :D

Re: Leading Edge Model M keyboard "8815K" review (Keytek inductive)

Posted: 02 Feb 2019, 21:31
by zrrion
If hall effect sensors were more expensive than multiplexers and transformers then they might have used inductance for cost reasons