EH Scott Radio Enthusiasts

The Fine Things are Always Hand Made

Robert Feenstra's Discussions (185)

Discussions Replied To (178) Replies Latest Activity

"what condition is the cabinet and chrome in?"

Robert Feenstra replied Apr 26, 2021 to McMurdo Silver Masterpiece VI

7 Apr 29, 2021
Reply by Jiri Placek

"Troy, on the negative voltage divider, I've had to play with the resistances to get…"

Robert Feenstra replied Mar 11, 2021 to Low voltage in Philharmonic power supply

14 Mar 11, 2021
Reply by David C. Poland

"Troy, I too used to play with player pianos.  Have an Ampico A and B and Steinway Du…"

Robert Feenstra replied Feb 24, 2021 to SCOTT NAPIER ALLWAVE 12

67 Feb 27, 2021
Reply by Thomas Day

"As I recall, I changed the caps in the tub with X1Y2 caps.  After a lot of testing,…"

Robert Feenstra replied Feb 19, 2021 to Restoring My Scott SLRM

14 Feb 25, 2021
Reply by Michael Lawton

"Done!  I wrapped a wire around the plate pin.  Interesting, I read 225 volts with sc…"

Robert Feenstra replied Feb 7, 2021 to Philly BOL restoration problems

29 Mar 5, 2021
Reply by David C. Poland

"The grid on my BOL 6J7 is very sensitive. A finger on it produces very loud hum/buzz…"

Robert Feenstra replied Feb 6, 2021 to Philly BOL restoration problems

29 Mar 5, 2021
Reply by David C. Poland

"The bias for the sJ7 is supplied from the -27 supply when the Scratch is off.  I mea…"

Robert Feenstra replied Feb 6, 2021 to Philly BOL restoration problems

29 Mar 5, 2021
Reply by David C. Poland

"+1 on Michael.  If the tube is near cutoff, the plate voltage will be high."

Robert Feenstra replied Feb 5, 2021 to Philly BOL restoration problems

29 Mar 5, 2021
Reply by David C. Poland

"Hmmm. trusting grounds through rivets and  star washers seems a bit dubious. On  the…"

Robert Feenstra replied Jan 31, 2021 to AW23 osc issue

9 Feb 1, 2021
Reply by Kent King

"I have a Philly in that cabinet and the chassis does stick out the back by about an…"

Robert Feenstra replied Jan 14, 2021 to Will a Welllington cabinet fit a FM Philharmonic?

20 Feb 9, 2021
Reply by Karl Sherwin

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