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I've read a number of improvement stories where someone compares a reissue to an original, then does a bunch of so-called upgrades, including some of the...
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MXR Dynacomp mods for tone loss in bypass mode?
It's a Dunlop version with double-sided PCB mounted footswitch. I understand an official schematic that shows how the switch ties in isn't available and I've...
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Maybe Golden Ears was born during the HiFi gear manufacturers 'spec wars' during the 60s & 70s? Then Digital came along and people could actually hear...
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I've come to realize that tone is also in the mind. I've been playing long enough to have forgotten more songs than I remember. Quite often I'll noodle away...
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Do Weber brass ground plates fit Mojo chassis(5F4, 5F6a)
... or is the hole spacing different. Any other sources? Thanks
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The dimensions are the same as the older BF Vibrolux Reverb/Tremolux transformers. I've put a DRRI PT in a SF Viibrolux Reverb. The Hammond 290cx replacement...
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I've been thinking about a K130 in 1x15 Tone Ring Showman cab, or doing a K120 in a Tone-ring Tremolux sized cab. Anyone have any experience with those cabs...
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Did you use any bedding compound under the caps?Orange Drops are quite a bit bigger than Mallory 150's.
I used Orange Drop's in mine and had...
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Outlet testers are handy, but a DMM will do the same thing if you know the standards. Most 3 prong U.S.-style outlets made in the last 30 or so years have...
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Don't know anything about them, but the Tube Amp Doctor(Germany) has a 5E3 kit.
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There was a small bottle tube Sovtek sold as a 6L6GC that couldn't handle what their 5881 could. Grove Tubes used to sell that tube as a 6V6HD, with the note...Last edited by Five_E35; 05-07-2009, 01:12 PM.
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A number of people have said the Sovtek 5Y3 acts more like a 5V4 or even a weak 5AR4. Russian rectifier tubes also don't have a very good track record for...
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Leo put them on the HV center tap in cathode biased amps that had them like the 5E5 Pro, moved it to the B+ when he went to fixed bias as on the 5E5-A and...
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The last Peaveys and early 90s Fenders with working ground switches used a .01uF cap. Mouser has them, try searching X1 Y2 Suppresion Capacitors or try Mouser...
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Glad you got it working. Sometimes it's the simple things we assume people have already tried. It may be that the tube in V1 is more critical in these smaller...
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Five_E35
I assume you flipped the ground switch, but disconnecting that cap may help. If you intend to keep it, it should be a UL-approved...
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My vision isn't what it used to be either, so besides measuring components before putting them in, I check all the soldered connections using the Lo-Ohms...
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I've read in several places that the brass plate acts like a giant buss ground, and with everything connected to it the mechanical connections to the chassis...
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On mine, I used the brass plate, but experimented with the screen, main, and center tap grounds, and found very little difference in hum. I ended up with...
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Are you also converting the amp to the Andy Ruhl mod -
http://www.blueguitar.org/new/schem/...4_vs_aa165.pdf
...Last edited by Five_E35; 04-15-2009, 11:14 AM.
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This guy is doing it too - see Kuhl Tube.
https://www.tubeworld.com/index_high.htm
I have heard of cryo-treatment being used...
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