Tube phaser and tube reverb @ 12 volts - anyone got schematics please?

[frequencycentral]

Please please please!!

[petemoore]

  I would start with a low voltage tube or tubes, and a LV tube amp schematic.
  choose the tank and match the output impedance.
  Say that takes care of the driver circuit.
  Then the recovery circuit is basically a boost.
  Looking at Reverb schematics, there's a splitter to 'bypass', and reverb tank circuit.
  the reverb output is small so it gets a recovery circuit.
  The recovery circuit output and the 'bypass' output are then mixed.

[kurtlives]

Send me a PM...

[dschwartz]

tube phaser?
man that´s overkill..

[frequencycentral]

Thanks to everyone who contributed reverb suggestions - now what about the phaser???

[ambulancevoice]

Thanks to everyone who contributed reverb suggestions - now what about the phaser???

good luck finding one
a tube phaser would be incredibly complicated
also i dont even think there are such things as transistor only phasers
there all use IC's

ive only ever seen a tube tremolo, looked kinda advanced anyway, and its not even close to a phaser

[frequencycentral]

Thanks to everyone who contributed reverb suggestions - now what about the phaser???

good luck finding one
a tube phaser would be incredibly complicated
also i dont even think there are such things as transistor only phasers
there all use IC's

ive only ever seen a tube tremolo, looked kinda advanced anyway, and its not even close to a phaser

The Tone God's tube trem looks a pretty simple build:
http://www.geocities.com/thetonegod/bullitt/bullitt.html

[ambulancevoice]

The Tone God's tube trem looks a pretty simple build:
http://www.geocities.com/thetonegod/bullitt/bullitt.html

yeah thats the one i saw
well, i only saw a built version that looked crazy

well, tremolos are no phasers
and really, that thing wouldnt be a good next step for a guy whos only built a valve caster or two

[frequencycentral]

The Tone God's tube trem looks a pretty simple build:
http://www.geocities.com/thetonegod/bullitt/bullitt.html

yeah thats the one i saw
well, i only saw a built version that looked crazy

well, tremolos are no phasers
and really, that thing wouldnt be a good next step for a guy whos only built a valve caster or two

I've also built a modular synth based on Roland, Moog and Oberheim schematics: 2x VCOs, 2x VCFs, 4x ADSR, 3VCA, 1x 8 step sequencer, 1x 16 step sequencer, 2x sample and hold, 2x ring mod, signal gates, gate delays, CV mixers, also designed my own SFX synth from LM13700 application notes........ I've burnt out a few soldering irons in my time!

[A.S.P.]

search-friend:
http://www.diystompboxes.com/smfforum/index.php?topic=29929.0
http://www.diystompboxes.com/smfforum/index.php?topic=11063.msg67851#msg67851
http://www.diystompboxes.com/smfforum/index.php?topic=43989.msg319492#msg319492
http://www.diystompboxes.com/smfforum/index.php?topic=31738.msg218952#msg218952
http://www.diystompboxes.com/smfforum/index.php?topic=27589.msg186609#msg186609
http://www.diystompboxes.com/smfforum/index.php?topic=44330.msg322380#msg322380
http://www.diystompboxes.com/smfforum/index.php?topic=55068.msg422842#msg422842
http://www.diystompboxes.com/smfforum/index.php?topic=32911.msg228209#msg228209

[ambulancevoice]

The Tone God's tube trem looks a pretty simple build:
http://www.geocities.com/thetonegod/bullitt/bullitt.html

yeah thats the one i saw
well, i only saw a built version that looked crazy

well, tremolos are no phasers
and really, that thing wouldnt be a good next step for a guy whos only built a valve caster or two

I've also built a modular synth based on Roland, Moog and Oberheim schematics: 2x VCOs, 2x VCFs, 4x ADSR, 3VCA, 1x 8 step sequencer, 1x 16 step sequencer, 2x sample and hold, 2x ring mod, signal gates, gate delays, CV mixers, also designed my own SFX synth from LM13700 application notes........ I've burnt out a few soldering irons in my time!

i meant with tubes

[ambulancevoice]

http://www.diystompboxes.com/smfforum/index.php?topic=32911.msg228209#msg228209

wow cool

[soulsonic]

You can do a tube phaser pretty much the same as how transistor ones like the Univibe are; just replace the transistors with tubes. Two 12AX7s can give you four stages of phase shift with the sort of phase-split LDR kind of thing like so many other circuits do. The Magnatone amps use the same thing in their classic tube phase-shifting vibrato amps, except they use varistors instead of LDRs. Stare at those schematics long enough for ideas to start flowing.

But, I wouldn't bother messing around with any of that at only 12 volts. Low voltage tube stuff can be cool for overdrives and fuzzes, but it's pretty much worthless if you want anything halfway clean sounding. You'll do yourself a big favor by using the correct voltages. You can just use the kind of backwards-wired transformer powered by a 12VAC wall wart setups; it seems to work very well for alot of people.

[frequencycentral]

You can just use the kind of backwards-wired transformer powered by a 12VAC wall wart setups; it seems to work very well for alot of people.

Interesting - maybe thats the way to go!

i meant with tubes

Hey, a tube is just another semiconductor - like using an I.C. that you haven't used before.

search-friend:

Wow - thanks!

[puretube]

... Hey, a tube is just another semiconductor ...

OUCH!

[frequencycentral]

... Hey, a tube is just another semiconductor ...

OUCH!

Ok, sorry the tube is the undisputed KING of semiconductors! What I mean is - it's a component I'm new to -I had to research the 7555 dual timer corwbar effect on power supplies before I used one -  same with tubes - research! Now.....schemos please puretube!!

[petemoore]

  Seems like the long way around the barn when good phasers are at hand but...
  Maybe starting with LV tubes...