modman
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:: Links and Ressources::
Freestompboxes.org Forum
Illuminist: Sol et Luna -- Soulsonic's fantastic blog
Pedal Pirate: Fred Brigg's great blog
moDMan's DIY Audio Ressources
:: Electronic DIY Skills ::
Piggybacking silicon transistors for that germanium sound
PCB Transfer with laser picture paper
PCB Transfer with INKJET picture paper
PCB Transfer with NORMAL printer paper
Aluminium Enclosure Etching with Picture Paper
:: Germaniac Booster Project - Cook yer own GE Booster ::
Part I: Basic Germanium Booster Circuit
:: StompBox Projects ::
Fat Boostered pedal
NPN Silicon Ikea Soupa Fuzz
NPN Silicon Rangemaster clone
NPN Boost (Gus Smalley) pedal
'Gran Giah Supa Spinta' part I: PCB and preliminary design
'Gran Giah Supa Spinta' part II: Enclosure Etching with Photo Paper
'Gran Giah Supa Spinta' part III: Finishing and Testing
PT-80 'Sound Dimension' Digital Delay part I: pcb & bench testing
PT-80 'Sound Dimension' Digital Delay part III: boxing up + charge pump
PT-80 'Sound Dimension' Digital Delay part II: enclosure design
'Boat's Ego Booster & Almightifier' part I: pcb and enclosure
Dumble Overdrive Special - stompbox adaptation
T. Escobedo's Jawari Sitar emulator
Baja Trembulator: project by Bajaman
:: Hammond T-series mods ::
Basic 'Carsten Meyer' mods
Video samples after basic mods
Essential links for T-series modding
Tube preamp project preliminary
Ideas for a built-in distortion circuit
:: Dunlop Wah mods ::
Dunlop JH-1 Wah upgrade
Fitting a LED on a Dunlop Wah
:: Electric Guitar mods ::
Shielding and Stargrounding Electric Guitar Photo Essay
1987 MIJ Fender Stratocaster pickup upgrade
1990s CIJ Fender Mustang rewiring
1990s CIJ Fender Mustang Floating Bridge Fix
JJ Acoustic: building a solidbody jazzguitar out of an old acoustic - Part I
2001 Epiphone Les Paul fixup
:: Amplifiers ::
Ruby: $10 Table Top Amp
98 EUR Harley Benton 5W all tube
Dumbolito: Tweed Princeton + Dumble tone stack
:: Fender Rhodes ::
Tine Replacement


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Saturday, July 22, 2006
Hammond T-522 mods: ordered mini tubes

Want at least to try and build the tube preamp that Carsten proposes on his side, and if he's sold out, I will find the components myself... or not, but if I do not try...

Introduction to the mod

Schematic for the MIG-T preamp
in PDF


After a week or so I spotted the Russian mini tubes on ebay and didn't hesistate. Here they are:


1J24B
auch unter 1SH24B geführt.
Neu, ungebraucht, ungetestet.
Pentode, auch als Triode verwendbar.
Anodenspannung: 60 V
Anodenstrom:        1,5 mA
Heizspannung:       1,2 V
Heistrom:                13 mA
Lassen sich auf Grund der geringen Anodenspannung auch mit 12V betreiben.
Dieser Typ wurde auch in russischen Kampfflugzeugen vom Typ MIG 29 verwendet!


Photobucket - Video and Image Hosting



1J29B
auch unter 1SH29B geführt. Neu, ungebraucht, ungetestet. Pentode, auch als Triode verwendbar.
Anodenspannung: 60 V
Anodenstrom:        5,3 mA
Heizspannung:       2,4V bzw. 1,2 V
Heistrom:                30 mA bzw. 60mA
Lassen sich auf Grund der geringen Anodenspannung auch mit 12V betreiben.Dieser Typ wurde auch in russischen Kampfflugzeugen vom Typ MIG 29 verwendet!

Photobucket - Video and Image Hosting

more to come, and there was more before:
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
Hammond T-522 mods -- part I
Hammond T-522 mods -- links

Posted at 06:20 pm by modman

Name
July 3, 2007   09:16 PM PDT
 
muy bueno, no se entiende una mierda, es una garcha pero esta bueno
 

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