Fred Nachbaur's Vacuum Tube Projects

Vacuum Tube Projects

Welcome to Fred's Vacuum. Here you will find fully documented projects utilising the vacuum tube in traditional ways, as well as more advanced approaches to vacuum-state design.

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All information on this site is ©1998 - 2004 by Fred Nachbaur. All Rights Reserved. This information may be freely used for personal, non- commercial use only. Fred Nachbaur / Dogstar Music not liable for damages arising from use or mis-use of this information.

Special thanks to Mikkel C. Simonsen for graciously hosting this site.

Available articles (numbers indicate order of publication):

Reproduction Audio (Hi-Fi):

₁ The Model RA-100 - HiFi Stereo Amplifier ^(advanced) Improving the LTP/CCS driver circuit

₃ A Stand-alone Hi-Fi Phono Preamplifier ^{(intermediate)}

₅ A Studio Preamplifier ^(advanced)

₁₀ Paraphase circuits Updated 28/12/2002 ^{(experimental)}

₁₁ "MiniBlok" - a Low-Cost SET amp ^(beginner)

₁₂ "MiniBlok II" - the Push-Pull version ^(beginner)

Instrument (Guitar) amps and projects:

₂ The "Real McTube" II - a simple distortion box ^(beginner)

₄ "Li'l 4x4" - Hi-fi audio with Low-fi parts? ^{(intermediate)}

₆ "Spunky" - an 8 watt guitar amplifier ^{(intermediate)}
₇ Dogzilla completed! ^(advanced)
₁₃ "The Manic Midget" - a strange guitar amp ^{(Coming Soon)}

More Mad Science...

₈ "G'Zot!" - a mini tesla coil (Just for fun) ^{(intermediate)}
₉ "BAMTRAT" - a recycled theremin ^{(intermediate)}
₁₄ LP AM Transmitter Circuits ^{(intermediate)}

Other Stuff:   Test signals:     via ftp (folders)     on this site (html)
Tube Pinouts   THD Computation   Buying Tubes   Pin-ups!   3D tubes
Hi-Fi Mods and Revamps   Ya Ugly RAT!   Tube Poetry   My eBay site

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Join the S.R.GeeKs Forum Tubes and much more!

Visit Steve Bench's Tube Pages for lots of excellent material.

<Humour Department>
Fix anything! Nipper 2000! Achtung!
Earn Big Bucks! What!? World Peace

Last updated March 1, 2004

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