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Philco TPA-1 - Printable Version

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RE: Philco TPA-1 - PhilcoFordTesla - 11-15-2019

        OK, motor extracted from the foam rubber goo, ready for microprobing!  looking at rc car motors if this doesn't pan out 24mm series 280? IIRC need to check movie night

RE: Philco TPA-1 - PhilcoFordTesla - 11-16-2019

    TPA-1 Replacement motor? 24mm diameter with 2MM shaft should be perfect with the right torque curve 1/2 the rpm of some others

RE: Philco TPA-1 - PhilcoFordTesla - 11-16-2019

or maybe this one, ordered one of each while I attempt to dissect the original

RE: Philco TPA-1 - Jake Blake - 11-16-2019

"All my stuff usually seemed to work better while they were/it was still apart! lol "   Icon_lol

RE: Philco TPA-1 - PhilcoFordTesla - 11-16-2019

    tried to retension the brushes but still no continuity, armature looks burned

RE: Philco TPA-1 - PhilcoFordTesla - 11-16-2019

Just got done replacing C1, .mp3 player sounds pretty decent!  Might keep it on for a while, hope it doesn't need heat sinks on those big 'ol outputs??  Time for the infra-red gun . . maybe better tone with the cabinet closed up . . . 

https://youtu.be/bEtvu4ldFts

rock & roll!

RE: Philco TPA-1 - PhilcoFordTesla - 06-16-2024

picked up a second one, and went back and re-read some tips needed for my first, any love left here for TPA-1's?

RE: Philco TPA-1 - morzh - 06-17-2024

In all honesty, other than it being rare, it is a fairly crappy player.
Badly made too.

On the other hand, why don't you make your own thread?
This one is Tim's and has been getting older by the day.

RE: Philco TPA-1 - PhilcoFordTesla - 06-17-2024

yeah just nostalgia for me as dad gave me one of the amps as a functional toy back ~1956 now i have a second one looking back i have an intermittent on the board of the first, trying to get motivated to clear the bench and lay into it.  yeah its a crappy player i'd like to just have the amp out breadboarding something to just 'watch it work!' lol thx for the reply new thread someday