Search found 58 matches

by frequencycentral
Fri May 28, 2010 7:38 pm
Forum: Technical Discussion
Topic: "Obsession" miniature amp - evaluate my schematic?
Replies: 16
Views: 4651

Re: "Obsession" miniature amp - evaluate my schematic?

[img:1024:768]http://i210.photobucket.com/albums/bb292/frequencycentral/OB1.jpg[/img] [img:1024:768]http://i210.photobucket.com/albums/bb292/frequencycentral/OB2.jpg[/img] [img:1024:768]http://i210.photobucket.com/albums/bb292/frequencycentral/OB3.jpg[/img] [img:1024:768]http://i210.photobucket.com/...
by frequencycentral
Thu May 13, 2010 8:35 pm
Forum: Technical Discussion
Topic: Nashville flood damage to MANY amps, any tips to save?
Replies: 50
Views: 16324

Re: Nashville flood damage to MANY amps, any tips to save?

A little off topic. Synthfool restore vintage synths by showering the circuit boards, then using compressed air to dry them off. Removes the crud. http://www.synthfool.com/ Here's a youtube of part of the process, the synth is a '73 ARP Odyssey, probably worth $2500 (I've got one too :D ); http://ww...
by frequencycentral
Sun Apr 11, 2010 4:17 pm
Forum: Technical Discussion
Topic: "Obsession" miniature amp - evaluate my schematic?
Replies: 16
Views: 4651

Re: "Obsession" miniature amp - evaluate my schematic?

When a guy like me is making blind attempts at hacking together common circuits and praying that it works and asks for help, to offer no help when you are in a position to do so would appear (at least to me) to be elitist. :D
by frequencycentral
Sun Apr 11, 2010 2:58 pm
Forum: Technical Discussion
Topic: "Obsession" miniature amp - evaluate my schematic?
Replies: 16
Views: 4651

Re: "Obsession" miniature amp - evaluate my schematic?

Rick we kinda like em big here. :D Sorry buddy. Don't have much to offer, but wouldn't you want a grid stopper on your output triode there? Reactionary conservative elitists huh? Is that a good thing or a bad thing? :? I'll stick with being innovative thanks. Surely an amp is an amp is an amp? I've...
by frequencycentral
Sun Apr 11, 2010 12:14 pm
Forum: Technical Discussion
Topic: "Obsession" miniature amp - evaluate my schematic?
Replies: 16
Views: 4651

Re: "Obsession" miniature amp - evaluate my schematic?

Well thanks for all the help guys! Sheesh! I thought you guys knew about amps?
by frequencycentral
Fri Apr 09, 2010 10:31 pm
Forum: Technical Discussion
Topic: "Obsession" miniature amp - evaluate my schematic?
Replies: 16
Views: 4651

Re: "Obsession" miniature amp - evaluate my schematic?

Hey Cliff - good to see you here! You've been quiet recently at DIYSB. I've stepped up from the 555 smps into MAX1771 smps now - big difference! More volts, more current, more stable, less heat. Very nice. Since I posted that amp schematic this morning I've modified it considerably, loudest damn 'fa...
by frequencycentral
Sat Jan 30, 2010 3:51 pm
Forum: Technical Discussion
Topic: 2Watt Sub Miniature Plexi
Replies: 245
Views: 61504

Re: 2Watt Sub Miniature Plexi

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by frequencycentral
Sat Jan 30, 2010 11:08 am
Forum: Technical Discussion
Topic: Hammond 1750A Weird Wiring
Replies: 2
Views: 1217

Re: Hammond 1750A Weird Wiring

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by frequencycentral
Sun Dec 13, 2009 1:28 pm
Forum: Technical Discussion
Topic: Hammond 1750A Weird Wiring
Replies: 2
Views: 1217

Hammond 1750A Weird Wiring

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by frequencycentral
Tue Nov 24, 2009 9:44 pm
Forum: Trainwreck Discussion
Topic: Dwarf Tube Rocket Amp
Replies: 157
Views: 65206

Re: Dwarf Tube Rocket Amp

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