[sdiy] High Voltage Opamps ?

[Dave Magnuson]

At 03:19 PM 1/29/02 +0100, Michael Buchstaller wrote:

>Hmmmm.... I remember some old Philbrick schematics, where they made an
opamp building
>block from 2 ECC´s - i built that once and made a simple (but working)
Twin-T resonator with it...
>Maybe i could just use *that* as my opamp....


Not trying to get too far off-topic, but you've built a tube twin-T
oscillator?  


So you're saying we could build a tube analog drum synth...  sounds like a
fun project for someone to try.  Tube 909 clone... imagine the retail
possibilities :)  

Resonant Frequency:
resfreq at hoohahrecords.com
http://www.hoohahrecords.com/resfreq/index.html