ACP+ Printed Circuit Boards

Discussion Thread

At power on

Depth: 316mm

it offers 16 continuously adjustable filter elements in two low-pass and two high-pass filters with slopes of 6

Additionally

This is the famous Zenductor III created by Nelson Pass for the 2025 Burning Amplifier Festival (BAF) Build Camp

Other parts are generic and probably in most people’s parts bins or easily available (see BOM)

Grid Voltage

Plate Current

We have limited US stock available of this chassis body

It was developed by Korg (of musical instrument fame) and Noritake Itron

The Nutube is a very low power device – the filament consumes only 12mW of power per triode