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L2 Pre-amplifier Support
Support Information
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Manual Enhancements and Addendums
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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.
L2 Pre-Amplifier Overview
This PDF document provides an overview of the following:
- Grounding Strategy
- HT, GND Hookup
- Audio Signal Path
- Filament Hookup
Click here to view.
L2 Pre-Amplifier Manual Updates
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.