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    Tube Works Blue Tube - now only makes 60 cycle buzz

    Well, it turned out to be a grounding issue. I sanded away the paint inside so that the jacks could make contact with the metal case and a proper ground. Back in action.
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    Tube Works Blue Tube - now only makes 60 cycle buzz

    I replaced a failing potentiometer on my Tube Works Blue Tube (older made-in-USA unit) and now I only get 60 cycle buzzing from the output. If I turn the effect on and strum, I can get a little bit of signal, but it's still almost all 60 cycle buzz. I'd hate to have to sell the pedal broken.
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    Back to basics: 8 track maximum for real rock music?

    Seeing as I've moved from Cubase to a Fostex A-8 and Mackie VLZ Pro 1604 to reduce screen time, I'm now going to be limited to eight tracks. It's the original A-8, so only four tracks can be recorded at once. For me, eight tracks means a choice of four mics on drums (kick/snare/overhead, and...
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    SV20 - Bright Cap Mod is Worth it

    I haven't felt the need to reduce the bright cap on my SV20H, between always having the inputs jumpered and leaving the normal volume on 4-5 (rolling that off once the high treble is up past 7), and using vented G12T-75s which seem to be darker and more "JCM800" sounding than Greenbacks. The...
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    JTM 20 (merged)

    I'm hoping it's shared cathode V1 and no cathode bypass cap on V2A. Otherwise this is just a reskin of the SVs but with 5881s stock, not that that would be a bad thing.
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    What's involved in having a guitar repainted?

    Slightly off topic, but the purple in the OP looks a lot like Pavo Purple, a Jackson finish that I had GMW Guitarworks refinish my pawn shop rescue Soloist in:
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    I finally understand bass spec amps for guitar.

    Another surprise: With the shared cathode, the normal channel is actually usable alone. The normal channel on lead amps is almost useless by itself and really is meant to add back lows to round out lower-gain settings. I also just learned today that having neither a bright cap nor a mixer /...
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    Which guitars do you play more at home? Cheap? Expensive?

    I don't have any beater guitars either. My three main players are a Gibson ES-335, ESP USA M-III for the Strat style, and Jackson Custom Kelly for the drop D chugging and pointy shape.
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    I quit drinking!

    At my rock bottom, I was showing up hungover to work, puking drunk at a work party, and spilling booze on gear. Needing to disassemble my Yamaha SY99 to replace busted buttons was the final straw - I am thankful I didn't lose my job. I did Dry January at the start of this year, and now only...
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    I finally understand bass spec amps for guitar.

    The mixer resistors come after the volume pots on 5F6A-descended amps. The mixer cap is highlighted in blue on the 1986 schematic - it is in parallel with the mixer resistor for the bright channel. Compare to the 5F6A schematic, which delivers a bright channel by putting the bright capacitor...
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    I finally understand bass spec amps for guitar.

    Years ago, I bought an Electro-Harmonix MIG-50 for bass use with a bass cabinet. The stock circuit has the bass tone stack and no bright cap on the bright channel volume, but smaller PI coupling caps and split cathode like lead spec. I made the changes and snipped the mixer cap so the channels...
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    Putting off gear purchases

    During the pandemic, I bought quite a bit of gear, mostly synth related. My other hobby of travel for roller coasters was obviously off the table. But now that concerts are no longer being postponed, I started going out more, and the gear budget is now going to concert tickets, club nights, and...
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    My take on the JTM60 diode removal mod

    Mine was pretty different. As I said, the goal was to convert this to a signal path similar to a 2203/2204 with Soldano or Legendary Tones Hot Mod. (Remove R104, C105, and D101-104) R46: 470k with 470p cap R117: 2k7 C117: .68u R121: 100k add a 470p cap across R126 add a 2n cap across R127 (high...
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    Should I build a 5E3 Deluxe or an AA764 Vibro-Champ as my first build?

    Yup, I sold the cabinet. If I do get around to building a 5E3, it'll be a 1x12 combo. I'm not sure it'll sound right just using my 1966A cabinet.
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    Should I build a 5E3 Deluxe or an AA764 Vibro-Champ as my first build?

    The next time eBay Bonus Bucks rolled around, Boot Hill Amps was sold out of the 5E3 kit. With the future of tubes being uncertain, I think I'll just sell my unused cabinet.
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    Anyone else prefer single channel amps to multi channel ones?

    With my SV20H or Cambridge Reverb, I set them to full overdrive and take advantage of the two-volume configurations on my Gibson and Gretsch guitars to be able to toggle right to clean without any pedals. I don't find it too muddy on the Gibson, but with the Gretsch I usually use a treble boost...
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    Should I build a 5E3 Deluxe or an AA764 Vibro-Champ as my first build?

    Extremely tempting, as there's an eBay Bonus Bucks running right now, but I've got studio necessities I need to address first. Maybe next eBay Bonus Bucks I'll pick this up. EDIT: The Boot Hill Amps one is actually a bit cheaper and also on eBay...
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    Should I build a 5E3 Deluxe or an AA764 Vibro-Champ as my first build?

    I now have an unused 1x15 open back cabinet and DIY GAS, and want to build an amp head to solve both. (Putting it here since they're not Marshall designs). If I'm building a Champ, I'd at least like the blackface tone stack and ideally the bias wiggle tremolo, so the AA764. I tried a 5F1 Champ...
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    How has your Rig evolved in 2021 ?

    2021 saw the Studio Vintage finally paired with Greenbacks and boosted with a Hornby Skewes clone. It also saw me add a rack rig - A/DA MP-1 and Peavey Rock Master preamps, Alesis Quadraverb for effects, and Mesa Fifty/Fifty power amp. I let go of the Mesa Mini Rectifier and Vox tube Pathfinder...
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    You Floyd tards

    It looks like more of my guitars have whammies than not, and the plurality if not majority are Floyd Rose. Restringing the Floyd is either easy when it's all set up, done one at a time, and loaded in reverse with the ball end at the tuner, or a pain if I have to fully unstring. I'm probably...

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