2 Watt Tube Amplifier Kit

Percolator

An all-tube signal path built around a single NOS Compactron tube. Clean and warm at low volume, aggressively overdriven when pushed, at an apartment-friendly 2 watts.

Board PC-03-01
Kits after 1 November 2021
Skill Intermediate

Open the interactive assembly guide Buy the kit Head only

Build the kit

The interactive guide walks the build step by step against a zoomable board image, adapting to whether you are building the chassis kit or electronics only, and remembers your progress in this browser.

Interactive assembly guide Web app

Every step with the exact parts highlighted on the board, resistor color bands, part photos, a searchable component index, and saved progress.

Chassis kit or electronics only Assembly instructions PDF

The complete printable manual covering the electronics and the cabinet build, including all high-voltage safety warnings.

PDF · 18.0 MB

Electronics only

Building without our cabinet? These two documents supersede the cabinet sections of the main assembly instructions.

Electronics-only addendum PDF

Revised bill of materials and notes on mounting the amp into your own enclosure, including the warning about screw length.

PDF · 0.3 MB Chassis mounting template PDF

Printable drilling template for laying out the chassis mounting holes in your own cabinet. Print at 100%, no scaling.

PDF · 0.3 MB

Use it

Reference material for after the build is finished.

Owner's manual PDF

Operating the amp, speaker impedance requirements, tube replacement, and routine maintenance.

PDF · 1.1 MB

Help and community

The forum is the fastest way to get unstuck. Most build questions have already been asked and answered there.