Somehow it's Monday already?? I am going to need a special rig... 馃幐馃憣
1972聽#Gibson#ES355聽TDSV into a 1966聽#Traynor#YGA1-B 1 x 15" Signature聽#amp
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SRPP 2A3 Redux聽 @ jelabs.blogspot.com
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Spotting dead vacuum tubes!
These tubes have all suffered a loss of Vacuum, which can be seen visually by the milk white color then have turned. In a functioning tube all those white patches are silver or black.
Without vacuum a tube will arc internally, and any device it is placed into will blow fuses, and not function.
This is the most common type of tube failure I see, and is caused by mechanical damage to the tubes. The damage is often around the pins, and may be cause by shock, or extended periods of extreme vibration (IE, normal use in a combo amp). Often the damage itself is not viable, because loss of vacuum occurs before the tiny cracks become viable to the naked eye
Never turn on OR try and use an amp with white tubes! Attempting to do so may cause serious damage, or Injury!
BUT, If you noticed the tubes have changed color and have not yet blown a fuse, you can probably avoid a repair! Simply replace all white tubes before trying to power the amp.
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Fallout: Waster Chip Schematics Source
Left: Render of the Water Chip from the intro cutscene of Fallout, showing a schematic in the background.
Right: The source photo from Radio & Television News p.38, January 1954; schematic diagram of a Theremin in an article by Robert Moog.
You can read the full January 1954 issue, as well as our page for real world equivalents in the Fallout Series here:
https://fallout.wiki/wiki/Community:Real_World
https://www.worldradiohistory.com/Archive-Radio-News/50s/Radio-News-1954-01.pdf
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I'M IN LOVE - yeah I'm a believer!
1963聽#Gibson#GA79聽RVT Stereo amplifier (with 1972聽#ES355聽Stereo guitar).
If you are like me you never paid much attention to these vaguely funny-looking mid 60s Gibson stereo amps. To me they never looked like "real" rock n roll amplifiers, they looked more like the console record player my parents had in their wood-paneled mid mod living room back in the 60s. Part music box...but mostly furniture. I keep wanting to flip up the top and throw on a Neil Diamond LP!
But, I was dropping off some amps for servicing with my amp tech聽@marshalllespaulfan聽yesterday, and he had this one in his shop, in from another customer, and we tried it out with my Stereo 355...and all of a sudden EVERYTHING in my life made perfect sense!
This amp was MADE for this guitar...and I mean that quite literally. You plug it in using a special stereo "TRS" cable, switch the amp to "stereo" mode (although you can also use it in "mono" mode with a regular guitar and cable) and it's wired to give you the neck pickup in the left channel and the bridge pickup in the right channel. So you can set different volume, EQs, and effects for each pickup! Once each channel is dialed in, you can just flip your pickup selector between a grungy dark rhythm sound and a bright overdriven lead sound. OR...play them both at the same time on the center position, and have reverb and trem on the underlying bassy tone, but a crisp, clear, un-effected bright tone cutting through at the same time! It's GENIUS.
Because of its funky stereo wiring, my 355 has never been very heavily played 'round 'ere. The best you can do with it on a "regular" amp is plug its stereo cable into the two inputs of the same amp and even then it just sounds like a "normal" guitar. Without a TRS cable, only the neck pickup works on a "normal" guitar cable. So it's essentially useless. But with an amp like this, you can make it do SO MUCH!
I think I have found my next amp acquisition "quest"! 馃槈
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Vikki Dougan by Earl Leaf (1957)
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I finally finished the repair of that old Hiwatt 100. I love these amps so much !
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JE Labs choke-capacitance coupled SE2A3 amp
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