L2 Pre-amplifier Support Support Information

Manual Enhancements and Addendums

Note: This information currently relates only to the L2 Pre-amplifier Mk1. The Mk2 version does not yet have any enhancements or addendums to its manual.

We have included a couple of documents here in PDF format that you should check over before beginning on your L2 Pre-amplifier build. Some of these are last minute updates that may supercede certain manual content.

Note that these will open in a new window, so please ensure that pop-ups are enabled for this site.

This PDF document provides an overview of the following:

• Grounding Strategy
• HT, GND Hookup
• Audio Signal Path
• Filament Hookup

Click here to view.

We have a few changes and enhancements/clarifications that we have added to the L2 Pre-Smplifier Manual Please review this manual before starting on the actual kit build to familiarize yourself with the changes.

Summary of changes:

• New Mains transformer and Choke
• New Shield installation position
• Filament Supply Overview
• 2 x 22K resistors replace pot on M2 power supply
• Snubber Circuit removal
• Single Noble Volume Pot
• Grounding Strategy clarification

Click here to view.