RE: Mikey Helps The Technically Challenged - Me.

Posted by geezerrocket on October 14, 2014 at 13:32:09

In Reply to: RE: Mikey Helps The Technically Challenged - Me. posted by 6bq5 on October 14, 2014 at 12:23:27:

6bq5;

It had a obviously fried resistor(s) of the wrong value when I received it.

Per Mikes' instruction I changed out the two wired in series fried resistors (to valve 9) to a single 1.2k 10 watt wire wound. I then turned it on and watched all the pretty smoke - Bwah Ha Ha!

Mike was kind enough to call me on his lunch hour and had me pull the output tubes, turn the volume down, then power it up and begin inserting 7591 tubes one at a time until the smoke appeared - Bad tube. A technically astute person would have noticed the cherry red tubes, but no one has ever accused me of being such. The bad tube was a JJ 7591S. I have had nothing but trouble with JJ power tubes, however, I have had good results with JJ small signal tubes. Anyway, I had no idea that could/should be done.

I am in the process of getting rid of the toggle on/off switch that was installed when the volume detent failed.

I will be getting a hold of Jim McShane for some grid resistors, Russian K40 pio .1uf coupling caps, matched quad of 7591's, and a couple of 12ax7 lps tubes. After that, it's off to the garage to power a pair of Heresy's.

Again; Thanks to Mikey and the other tech savvy members here that help the knuckle daggers like me on this forum.

This is precisely why I will be sending Mike my HK Citation II and AR SP3 (acquired very recently) later this winter. He sounds pretty excited about doing surgery on the SP3.

At this time he has my Sherwood S-5000 just about ready for shipping - Should be fun!

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Follow Ups Full Thread

Topic - Mikey Helps The Technically Challenged - Me. - geezerrocket 11:03:37 10/14/14 (12)

when the magic smoke escapes... - mhardy6647 17:34:16 10/14/14 (2)

Camera? - geezerrocket 18:31:08 10/14/14 (1)

ahh, phone - mhardy6647 04:11:20 10/15/14 (0)

Ooooo - like a laser show it is! - airtime 16:04:54 10/14/14 (0)

It must exhaust his patience to deal with some of us neophytes - Michael Samra 15:30:46 10/14/14 (0)

RE: Mikey Helps The Technically Challenged - Me. - 6bq5 12:23:27 10/14/14 (6)

RE: Mikey Helps The Technically Challenged - Me. - geezerrocket 13:32:09 10/14/14 (5)

RE: Mikey Helps The Technically Challenged - Me. - 6bq5 15:23:01 10/14/14 (4)

RE: Mikey Helps The Technically Challenged - Me. - Eli Duttman 12:40:20 10/15/14 (3)

RE: Mikey Helps The Technically Challenged - Me. - Crazy Dave 15:25:15 10/15/14 (2)

RE: Mikey Helps The Technically Challenged - Me. - Eli Duttman 12:10:21 10/16/14 (1)

Thanks! (nt). - Crazy Dave 12:28:07 10/17/14 (0)

Follow Ups

RE: Mikey Helps The Technically Challenged - Me. - geezerrocket 13:32:09 10/14/14 (5)

RE: Mikey Helps The Technically Challenged - Me. - 6bq5 15:23:01 10/14/14 (4)

RE: Mikey Helps The Technically Challenged - Me. - Eli Duttman 12:40:20 10/15/14 (3)

RE: Mikey Helps The Technically Challenged - Me. - Crazy Dave 15:25:15 10/15/14 (2)

RE: Mikey Helps The Technically Challenged - Me. - Eli Duttman 12:10:21 10/16/14 (1)

Thanks! (nt). - Crazy Dave 12:28:07 10/17/14 (0)

RE: Mikey Helps The Technically Challenged - Me.

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