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  1. Replies
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    What is it about a given circuit topology that...

    What is it about a given circuit topology that would make it more needful of "individual" voicing than "tried and true" designs, such as BF Fenders?
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    That doesn't look so bad compared to some I've...

    That doesn't look so bad compared to some I've seen pics of!
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    IMHO rolling off at 150 Hz seems kind of high,...

    IMHO rolling off at 150 Hz seems kind of high, since the pitch of the low E string on a standard guitar is in the neighborhood of 88Hz, dropped D tunings are common, and a lot of body resonance lives...
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    point to point Blues Junior??

    I am curious whether anyone on this forum used a Blues Junior to build a point-to-point, turret board, or eyelet board amp, and if so how it came out.
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    Running a Bassman head into a 2x15 cabinet, then...

    Running a Bassman head into a 2x15 cabinet, then mic'ing that and running that signal to a second more powerful bass amp with 4x10s and 1x15 sounds like a cumbersome solution that might give you more...
  6. transferring my tube ciruit understanding to solid state circuits?

    I have developed a decent basic understanding of tube amp circuits over the course of the last couple of years, largely thanks to this forum and also to Merlin's book. :thumbsup:

    I am now starting...
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    IIRC I started using RC combos in my guitar vol...

    IIRC I started using RC combos in my guitar vol bright circuit because a small cap alone had too high of a corner frequency for my taste, but using a bigger cap alone made the effect too pronounced....
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    Awesome and brilliant! Do you use any...

    Awesome and brilliant!

    Do you use any resistor with your normal bypass cap? I use a combo of resistor and cap in parallel for my vol pot bypass, sometimes a second resistor in series with the...
  9. Thanks for the tip. What changes do you make to...

    Thanks for the tip. What changes do you make to the Bass channel for guitar?
  10. The Bassman 50 appears to be an iteration of the...

    The Bassman 50 appears to be an iteration of the BF Bassman. BF Bassman heads are GREAT guitar amps. The Bassman 50 could probably be easily converted to BF AB165 specs easily. So just because it is...
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    I already did it! 36pF - it didn't make much...

    I already did it! 36pF - it didn't make much audible difference. I suppose the fb resistor you are referring to is R3 on the above-referenced schematic, and I could increase the value of C5, right?
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    Actually I was connecting the cap to the...

    Actually I was connecting the cap to the input/hot lug of the volume control and ground, not the wiper.
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    help calculating treble shunt cap value

    This is actually a question about some FX pedals, but it is a theory and design question and the effects forum doesn't seem to get as much traffic as the amp section, so I'm posting here. :p

    I...
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    sheilding properties of brass

    Does brass provide the same electrical/electronic shielding effect as steel or aluminum, in the case of chassis construction?
  15. Thanks, I was thinking it might have to do with...

    Thanks, I was thinking it might have to do with electronics since it sort of resembles pi*R*C
  16. For those of us new to pedal-hacking, what...

    For those of us new to pedal-hacking, what circuit does this topology resemble?
  17. I have seen this term/string "IIRC" in several...

    I have seen this term/string "IIRC" in several different posts in different threads. Is is an acronym? What does is stand for?
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    Great looking amp! :thumbsup: Thanks for all the...

    Great looking amp! :thumbsup: Thanks for all the good ideas.
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    Very interesting thread, and it bears on some of...

    Very interesting thread, and it bears on some of the experiences I am having with FMV tone stack loss.

    maxwedge, I am curious as to why you chose to go with the 6SL7 for the preamp stages?
  20. DIY kit for chorus with footswitchable vibrato option?

    Anyone know of a DIY chorus kit with a footswitch-accessible vibrato mode, ala the venerable Boss CE-1?

    I like the demos of the Tortuga Martini and the Retro-Sonic Chorus,
    but I am now on this...
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    I LOVE the Artwork! Very inspiring. I am about to...

    I LOVE the Artwork! Very inspiring. I am about to build an Orange Sqeezer and a Red Llama using GGG kits.
  22. Thread: 6L6 to KT77

    by Groover
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    You could also add a dedicated filament supply...

    You could also add a dedicated filament supply transformer with more capacity.
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    In praise of Fender schematics

    There is something very esthetically pleasing to me about looking at the Fender schematics that were hand drawn (or should I say drafted) from the '50s and '60s. I get a great deal of pleasure from...
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    I like the look - very early '70s vibe!

    I like the look - very early '70s vibe!
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    Thanks, but that one at AES is audio taper, and...

    Thanks, but that one at AES is audio taper, and appears to be SPST. I'll check Hoffman.

    Seems to be the case with the pots at Hoffman, too.
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    It's just a little more difficult, wrapping the...

    It's just a little more difficult, wrapping the leads around the posts etc.

    And the AES ones are audio taper actually. I would like to find linear.
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    seeking 1 meg linear with DPDT push pull

    I can find them with PCB terminals at AES. Anyone know a source for them with solder lugs? SPSTs are easy to find, DPDT not so much.

    thanks
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    that would be Tweed Bassmans. The BF Bassmans had...

    that would be Tweed Bassmans. The BF Bassmans had a distinctly different topology. But they are still great amps, especially for crunchy guitar.

    As far as upping the clean headroom for bass, you...
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