Re: An Orange Tiny Terror preamp in a (stomp)box

Posted by Ciaran Haslett on Sep 20, 2015; 12:26pm
URL: http://guitar-fx-layouts.238.s1.nabble.com/An-Orange-Tiny-Terror-preamp-in-a-stomp-box-tp24339p24522.html

Try increasing the source bypass caps.  That'll increase the gain of each stage.  Maybe add one back into the first stage.  Plate caps will only adjust frequency content.  

Try bypassing the tone stack and see how it affects the overall volume.  It's possible the injection loss is affecting the volume.  If that's the case, try adding a recovery stage, either FET, or BJT like the LPB1.

I'm on my phone atm but I'll get a better look when I get back to my computer.

Oh......Great work man!  This project is really yours.  I vote we change the name to The Tiny Trojan or the Trojan Terror to reflect its maker

Sent from my iPhone

On 20 Sep 2015, at 13:06, ξεναγος νεκροπολης [via Guitar FX Layouts] <[hidden email]> wrote:

i've just breadboarded it.
it works.
it has low output though.
it's about 80% of unity gain.
also...
i just took 5 j201 and through them in. i didn't measured them at all. i took out those 2 100pf Plate bypass caps (C5 and C8). nothing serious happened...
 used 20k trimpots and bias by ears. to get the highest gain, drains were not even close to 4,5V. but after all as i said i didn't measure my fets at all.

this one has potentials to become a really warm effect.

so come on guys!any thoughts?first of all i'll measure some fets. (but i'm not good at it...)
do you think that this will help with low output? if not what should i do?

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