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Proto 2.0 with 8.4 volt battery

O ogaugeguyOGR Forum Member DIGITAL SUBSCRIBER

MTH's protosounds 2.0 has undergone various generational changes in battery power during its lifetime such as 5Volts, 3 volts and 8.4 volts. What is the chronological order of these various batteries being used in protosounds 2.0? Also what are the advantages and disadvantages of each, the strengths and weaknesses, the pros and cons, etc.?

Kenn ogaugeguy

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G GGGOGR Forum Member

p-2 5v is the early model.  the processor runs on 5v.  the battery used for back up was 8.4vs.  there was no 5v battery.  this board became component obsolete.  the follow on is the ps-2 3v.  uses a 3v processor and a 2.4v battery for backup.

 

advantage of the newer was 2 piece board allowing component level repair, greater memory in later models, more reliable.  G 

O ogaugeguyOGR Forum Member DIGITAL SUBSCRIBER
Thanks so much GGG. Your knowledge, expertise and speedy reply is greatly  appreciated.
Kenn ogaugeguy
Originally Posted by GGG:

p-2 5v is the early model.  the processor runs on 5v.  the battery used for back up was 8.4vs.  there was no 5v battery.  this board became component obsolete.  the follow on is the ps-2 3v.  uses a 3v processor and a 2.4v battery for backup.

 

advantage of the newer was 2 piece board allowing component level repair, greater memory in later models, more reliable.  G 

 

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