Name: Converting a Seeburg Wall Box (3WA / 200 selection) to a raspberry pi music player, part 1 @smbakeryt
Uploaded: 2018-01-28T01:29:31-0400
Duration: 8 min 17 s
Description: In this video I explore a Seeburg Wallbox that I bought off eBay. My plan is to convert the wallbox to control my raspberry pi based music player. The Seeburg is an amazing fusion of electrical and mechanical components, and it takes me a little bit of time to get it working. I try it out in this video and show the selection mechanism on my oscilloscope.

SP0256A-Al2 speech synthesizer - misprogrammed? misprinted? scam? counterfeit? @smbakeryt

Uploaded July 2016 | Updated September 2026, 3 weeks ago

I bought these SP0256A-AL2 from a seller on eBay. However, they aren't programmed with the alophones that an -AL2 chip is supposed to be programmed with. They have the phrases of a -12 Mattel Intellivision chip. Is it a misprint by the manufacturer? A failure to read data sheets on my part? or a counterfeit/scam? Maybe somebody knows.

SP0256A-Al2 speech synthesizer - misprogrammed? misprinted? scam? counterfeit?

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Converting a Seeburg Wall Box (3WA / 200 selection) to a raspberry pi music player, part 1