4D product information for

BBC Micro Keyboard Key Switch Type B (New)

Image of BBC Micro Keyboard Key Switch Type B (New)
Product Title: BBC Micro Keyboard Key Switch Type B (New)
Manufacturer/Publisher: Acorn
Stock Code: ACO-BBCKS-TB
QuickCode: 19142
Format: Hardware
Product Group: 8 bit Computing: Hardware
Condition: New
Availability: Usually available from stock

We have a small stock of NEW unused Type B keyboard switches

BBC microcomputer Model A or B Keyboard Keyswitch
We have identified six different key switches in use:

Type A: A tall vertical '+' shaped post on a rectangular base. The main body of the switch is circular. (Futaba MR-6C series)
Type B: Has a slightly sloping, almost '+' shaped, post (the top of the '+' tapers to a 'T'), most likely a SMK J-M0404
Type C: A '+' shaped post on a circular base (SMK J-M0404 series)
Type D: An open square-shaped post.
Type E: Has a vertical '+' shaped post on a roughly T-shaped base. The key switch used on most (all?) BBC Master and Electron keyboards. (ML-3-CM or ML88 series)
Type F: For the membrane keyboard, requires removal of two plastic posts to extract the switch. Very unlikely to be this keyswitch failing that causes a problem, more likely to be the membrane beneath that fails. Listed in case of mechanical damage. (Cherry MY1A-21NC)

Price: £8.00 no VAT to pay!
Free UK delivery on orders of £10 or more! (exceptions apply)

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Most orders of less than £10 will incur a £3 admin charge.
Items on special offer are while stocks last and may be time limited.
Items marked S/H are secondhand and have a 3 month warranty
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Please check for compatibility. Official orders welcome. E&OE

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Last updated: Fri, 11 Oct 2019