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Studio Gear Product Pages

• Studio Power Amp & KC25 Power Amp
• All-Tube Bass Preamp
• 3-D Analog Reverb Systems

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Vintage Amp Product Pages (not currently in production: please inquire)

• Studio-10 Amplifier
• Studio Essence Amplifier
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• Inside the Studio-10 Group of Amps

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Product Information

• About Our Books
• Independent Review of "The Ultimate Tone"
• The Ultimate Tone - A Book Review by Mark Douglas of Tube Nexus
• London Power Tube Amp Kits
• Selecting a Preamp Kit
• About Our Switching Kits
• Selecting a Sag/Sustain Kit
• About Our Power Scaling Kits
• Selecting a Power Scaling Kit
• About Our Rack-Mount Chassis
• Hammond Chassis Applications
• Other Retailers of Our Books

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Authorized Power Scaling Installers

• Power Scaling Builders & Installers

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Technical Articles

• LP Tech: Evolution to Revolution
• Tube Amp FAQ
• Power Scaling Q&A
• Super Scaling Q&A
• Raw Bias Supply Issues & Mods
• Power Scaling vs. Variable Power
• Standby Switches
• PCBs vs. Hand-Wiring
• PCBs - Colour Considerations
• Effects Loop Truths
• Cathode-Bias/Fixed-Bias Switching in Tube Power Amplifiers
• Selecting a London Power Instrument Amplifier
• Hammond Transformers - Expanded Data by London Power

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Independent Reviews and Articles

• The Ultimate Tone -  Book Review by Mark Douglas of Tube Nexus

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Industry Links

• Industry Links

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Kevin O'Connor's Tube Amp Workshops

• Our Workshops
• 2003 Workshop in Sweden
• 2004 Workshop in Sweden
• 2004 Workshop in Finland
• What's with Sweden?
• Helsinki - Not What It Used To Be

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Free Downloads

• London Power ERK, RLY & QRK-series Switching Kits Selection & Application (2.2 MB PDF, 22 pages).