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Re: The Fullerwell

Posted: Sun 05/10/20 4:15 pm
by JMPGuitars
I don't have time to look at a video right now, but both circuits were compared with the knobs at 50%. Comparatively, yours has lower mids across the extremes. It seems that's your preference, which is fine. A friend of mine hates mid focus too.

Here's both circuits with the knobs at 50% and all at both extremes:
compare.jpg

Obviously there's some flexing between the extremes (and not moving them all to extremes at once), but not that significant.

Re: The Fullerwell

Posted: Sun 05/10/20 4:55 pm
by crgfrench
The reason Marshall, Fender, Vox and a lot of other folks include a mid-notch in the EQ is that most guitar pickups generate excessive mids. Nothing wrong with a flat EQ setup, just depends on what each person likes the sound of.

Re: The Fullerwell

Posted: Sun 05/10/20 4:57 pm
by crgfrench
If you have a chance to watch the video, be sure to enable captions. It's all narrated in the captions.

Re: The Fullerwell

Posted: Sun 05/10/20 5:55 pm
by crgfrench
Bieworm wrote:
Sun 05/10/20 1:12 pm
Wow Craig!!! Did you play that?
Aw thanks but I did not play the music -- that's just Free Youtube Audio available in the editor. The first track is called "Clash of Gods" by Quincas Moriera; the second track is "To the Sun and Back" by TrackTribe.

Re: The Fullerwell

Posted: Sun 05/10/20 6:07 pm
by crgfrench
JMPGuitars wrote:
Sun 05/10/20 4:15 pm
both circuits were compared with the knobs at 50%.
Something's off with your parameters, my bass doesn't go nearly that low dBs at 50%.

If you squint at just the green lines in your chart though, I like how mine looks like an angry Hawaiian God of surf and volcanoes.

Re: The Fullerwell

Posted: Thu 05/14/20 11:02 am
by crgfrench
JMPGuitars wrote:
Sun 05/10/20 4:15 pm
Here's both circuits with the knobs at 50% and all at both extremes:
Hi Josh -- thanks for taking the time to model that. I think the reason your results are showing the steep bass rolloff (typical of Marshall, but reduced in my stack) is you may have modeled it with the original (Marshall) 0.022uF Bass Tone Resistor, rather than the 0.22uF I am using. One other thing I just realized is, even though I have a 10k Mid pot in my layout (which gives a deeper mid scoop), I actually left that pot at 25k when I modeled it in the video, and it has less mid notch in the video, closer to the ZP profile.

Re: The Fullerwell

Posted: Thu 05/14/20 11:11 am
by JMPGuitars
crgfrench wrote:
Thu 05/14/20 11:02 am
Hi Josh -- thanks for taking the time to model that. I think the reason your results are showing the steep bass rolloff (typical of Marshall, but reduced in my stack) is you may have modeled it with the original (Marshall) 0.022uF Bass Tone Resistor, rather than the 0.22uF I am using. One other thing I just realized is, even though I have a 10k Mid pot in my layout (which gives a deeper mid scoop), I actually left that pot at 25k when I modeled it in the video, and it has less mid notch in the video, closer to the ZP profile.
Oops. You're probably right about that cap. Reading is hard sometimes. ;)

Re: The Fullerwell

Posted: Sun 05/17/20 6:04 pm
by zaphod_phil
crgfrench wrote:
Sun 05/10/20 4:55 pm
The reason Marshall, Fender, Vox and a lot of other folks include a mid-notch in the EQ is that most guitar pickups generate excessive mids. Nothing wrong with a flat EQ setup, just depends on what each person likes the sound of.
Who can say what measure of mids is excessive? It's well known that the sweet spot for lead guitar is in the midrange, and also for human voice. Unless we're talking about modern metal. That needs a very scooped sound.

Re: The Fullerwell

Posted: Sun 05/17/20 6:46 pm
by crgfrench
zaphod_phil wrote:
Sun 05/17/20 6:04 pm
crgfrench wrote:
Sun 05/10/20 4:55 pm
The reason Marshall, Fender, Vox and a lot of other folks include a mid-notch in the EQ is that most guitar pickups generate excessive mids. Nothing wrong with a flat EQ setup, just depends on what each person likes the sound of.
Who can say what measure of mids is excessive? It's well known that the sweet spot for lead guitar is in the midrange, and also for human voice. Unless we're talking about modern metal. That needs a very scooped sound.
Yep it's subjective -- Tom Scholz used a peaked mid setting on the MXR 6 band EQ he used with his "Hyperspace" pedal. And I love that tone too.