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 Forum index » DIY Hardware and Software » Circuit Bending
Matell Synsonics Pro - different PCB
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blakeAlbion



Joined: Jun 16, 2020
Posts: 25
Location: Boston, Massachusetts, USA
PostPosted: Mon Aug 12, 2024 6:00 am    Post subject: Matell Synsonics Pro - different PCB Reply with quote  Mark this post and the followings unread
I'm looking for any info on the variations on the original Synsonics.
Looks like the Pro model came out in 1984 and I saw I confusing print ad implying that Gretch had purchased the brand.
Mine (Model 5381) does not have the MM5837 noise IC and instead uses a noise transistor and op-amps. Unfortunately this unit is extremely noisy and it seems like the "VCA" for the snare drum is either damaged or needs to have its bias changed.

Did this ever get a service manual or at least tech bulletins showing changes? Or did they just take returned units and bury them with E.T. The Extraterrestrial cartridges in New Mexico?
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