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Restore the Factory User Bank in Your Alesis QS Synthesizer - The Frugal Noodle
What to send to your Alesis QS synth after replacing the battery. I've just fitted a battery holder to my QS6.2 and this worked perfectly.
to alesis electronics midi retrotech synth ... on 22 May
Repair of the VLP-600 Laservision Player
How to repair and align the early analogue LaserDisc players. Step 1: glue the mirrors back on to the actuators. Step 2: get a laser level and some beermats...
to laserdisc phillips repair retrotech ... on 12 November 2025
British Subscriber Trunk Dialling Codes
"In fact the STD codes were originally designed to be as meaningful as possible to users of the telephone system: the only problem is that circumstances have altered."
to dialing history retrotech telecom telephone ... on 26 October 2025
"This page gives access to a short description of nearly every "coded and registered" design produced by the BBC between 1957 and 1991 (over 7000 !)."
to audio bbc broadcast electronics radio retrotech tv vtr ... on 07 July 2025
HH3 - most accurate pendulum clock on the planet
Involves a Chain Controlled Oscillator.
to clock oscillator pll retrotech time ... on 06 July 2025
Collecting Linotype machines requires a special kind of dedication (and a lot of space). Very impressive, though!
to linotype mechanica printing retrotech telephone typesetting ... on 07 April 2021
TV and radio collection. Notable for the large collection of early(ish) UK colour TVs, most in working order and showing good pictures.
to colour electronics radio retrotech tv ... on 25 March 2021
Designer of the Aurora standards converter.
to 405-line retrotech standards-conversion tv video ... on 25 March 2021
Dr. Hugo Holden's Electronics page
"This website is dedicated to interesting and unusual electronics engineering projects in the field of radio receivers, transmitters, television and general electronics." Undersells itself quite a bit! There are some very detailed and well-written articles here about radio and TV restoration, and a few on test equiment and the Sol-20 computer.
to electronics radio retrocomputing retrotech sol-20 test-equipment tv ... on 25 March 2021
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tasty by Adam Sampson.