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Stereo 70 #2 - "Don't Call Me 'Dimples'!"
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Stereo 70 #2 - "Don't Call Me 'Dimples'!"
This contains pictures of my second Stereo 70 rebuild "Don't Call Me 'Dimples'!"
The "donor" Power Cord - Before Restoration - Yuck! - Pretty nasty lookin' Power Cord, isn't it. About 30 minutes of cleaning took care of that!
Completed Stereo 70 - "Don't Call Me 'Dimples'!" - Head-on Shot - Classic Iron meets a complete rebuild. Meet "Don't Call Me 'Dimples'!" Now complete!
"Don't Call Me 'Dimples'!" - Completed Driver Board Installation - Here is the completely rebuilt Driver Board installed in "Don't Call Me 'Dimples'!"
"Don't Call Me 'Dimples'!" - Complete - Here is our second Stereo 70 project "Don't Call Me 'Dimples'!" Notice the "Dynakit" logo, rather than a "Dynaco" sticker. This amplifier began life in 1962 or 1963 (according to the transformer date codes). This was originally a kit version of the amplifier. Notice the difference in the tube cage/cover. It has a slightly "coarser" hole structure than later models.
"Don't Call Me 'Dimples'!" - Back of Amplifier Picture - Here is the rear of the amplifier. Notice the *slight* depression around the fuse holder. It was originally a SERIOUS bend in the chassis that pushed the fuse holder area over 3/4 of an inch inward. This photo actually makes the depression look deeper than it actually is. Needless to say, it is a HUGE improvement!
Completed Stereo 70 - "Don't Call Me 'Dimples'!" - Under-chassis Shot - Here is the under-chassis picture of "Don't Call Me 'Dimples'!" Looks a LOT like our first Stereo 70 project "Nothin' Fancy." But notice the ceramic tube sockets and look VERY carefully at the bias supply. The 1 Watt resistor at the far left side of the terminal strip is now an 8.2K resistor in order to accommodate tubes that require more negative bias to set the "idle" operating point of the EL 34's.
Completed Stereo 70 - "Don't Call Me 'Dimples'!" - Ceramic octal sockets - Here is a "View From the Top" of "Don't Call Me 'Dimples'!" I removed the octal tubes so you could get a good look at the ceramic tube sockets. These sockets grip the tube pins REALLY well and there is NO chance that the sockets will melt or distort - EVER!
Completed Stereo 70 - "Don't Call Me 'Dimples'!" - The "Classic" Stereo 70 Pose. - Here is "Don't Call Me 'Dimples'!" with the tube cage/cover removed. Loaded with tubes and ready to deliver some really beautiful music!
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