Grateful Dead Music Forum

A place to talk about the music of the Grateful Dead 

 #139432  by hippieguy1954
 Fri May 30, 2014 3:24 pm
Bass 0
Treble 10
Mid 3-4 (sometimes I use 2)
Rear output pad -all the way up
 #139435  by Searing75
 Fri May 30, 2014 4:35 pm
Treble 10
Mid 5-6
Bass 0
Bright normal
Rear pad all the way up
Volume around noon
Into a mc50
 #139447  by skajellafetty
 Fri May 30, 2014 10:13 pm
same as others for me with eq, but I run out of mine into a Morley ABY mixer, then to mobius> mx200> looper> amp to get stereo from mobius & after it... so my gain is no more than 10-11 oclock & my rear pad knob setting must be no higher than 9 o'clock or I clip.

EDIT: I go back & forth & usually run half mono now as it sounds better overall with more options/effects (in clarity/tone). In mono it's: guitar > soul food>DMBL (or switch those) >black rose octave>mobius>SMS>MX200 stereo out>stereo looper>H&K cf200 ss amp>ceramic cali & chicago
Last edited by skajellafetty on Fri May 08, 2015 4:03 pm, edited 4 times in total.
 #139453  by RiseandFall
 Sat May 31, 2014 5:45 am
Front Volume 10:00-11:00
Bass off
Mid 10:00
Treble all the way up
Reverb 11:00
The volume on the rear of the SMS I turn up all the way, then back it off just a little...maybe 2-5% .
Guitar volume I back off considerably, and MC40 volume like the rear of the SMS...almost all the way up.
 #139459  by wolftigerrosebud
 Sat May 31, 2014 12:12 pm
For Jerry tones... treble 10, mids 5, bass 1 to off. The tone controls are really nice sounding in any position. For a Metheny-esque jazz tone, treble 6-7, mids 6-7, bass 3 works. All 3 set to noon sound good. I haven't found any position that doesn't sound good.

This is Brad's explanation of the output pad knob. I keep mine around 10-11 o'clock.

"Right next to the output jack on the rear of the preamp is the "pad" knob. By the nature of this preamp circuit, the output level can be extremely hot. This knob helps to pad down the output signal level to be more usable in most situations. Initially try your preamp with the front panel "Gain" knob set around noon to 1 o'clock. Then use the rear "pad" knob to adjust the final output level to best match your setup. You may find that the pad knob wants to be set down below noon, but feel free to set it wherever it needs to be. This will optimize the "gain structure" as well as minimize noise. "
 #139471  by hippieguy1954
 Sun Jun 01, 2014 4:42 am
I removed the rear pad (same as having it all the way up) and used the hole for a second output. 8)
 #139478  by Searing75
 Sun Jun 01, 2014 7:04 am
Interesting. Would using two outputs at once compromise the pre amp in any way?
 #139483  by hippieguy1954
 Sun Jun 01, 2014 9:21 am
Not at all. It's just a parallel wired output. Same as using a "Y" cable only point to point in the SMS enclosure. :smile:
 #141731  by Jon S.
 Mon Sep 22, 2014 3:47 pm
I know this is a "settings" thread but I didn't want to start a whole new thread just to ask this simple question: Does anyone know what the value is on the SMS for the bright switch capacitor? Thanks.
 #141736  by waldo041
 Mon Sep 22, 2014 6:24 pm
Should be the stock fender twin reverb value, 120pf.

 #141737  by Jon S.
 Mon Sep 22, 2014 7:19 pm
 #141773  by jeager
 Thu Sep 25, 2014 6:06 am
I have been liking a little bit of bass added in lately. Especially when I play in trio setting and using a single 12" JBL.
 #141806  by SarnoMusicSolutions
 Fri Sep 26, 2014 7:00 am
Lately I've been finding that under certain circumstances, like when playing really hot and pushing a power amp and speakers hard, the bright switch ON may be a more correct choice. At lower volumes when JBL's are less "pushed", they exhibit an extra crispness of their own so the bright isn't so helpful, can be too much. When JBL's are run loud, the warmer tone from the paper begins to dominate over the crispy sparkle of the dustcap, so bright ON seems to be the right choice.

You may notice that at really low bedroom volumes, the JBL's don't sound the same, you hear TONS of the metal dustcap relative to the paper. That balance between paper and metal dustcap changes quite a bit from quiet to loud.

I believe that the more we can do to really push the speakers to their limits (without blowing them) is part of the sound we all seek. Since that makes things really loud, maybe for some stages the right approach is just one JBL pushed hard. 3 JBL's pushed hard is gonna be loud, especially if it's an E120. D120F's or K120's are easier to push to that magic, musical-sounding edge. And Alnico is a bit sweeter sounding than the E's ceramic magnet. Brutally clean is NOT what we want. We want some subtle dirt, some amp and speaker stress, and we want it at the perfect stage volume. This is the mission and not an easy one at that. Once we attain that perfect amp and speaker stress/soft-clipping, then we're in a better place to determine how that bright switch is treating us.

It's gonna get loud no matter how you slice it.