Tech Tips & Tools

Author: Kevin M  Date Posted:15 April 2026 

Tech Tips & Tools

Interactive calculators, technical explanations, and component selection guides for amplifier builders and technicians.

Select a tool or technical resource below to calculate bias settings, decode component specs, or select the right parts for your build.

Bias Calculator

Calculate safe plate dissipation, target bias currents, and voltage offsets for Class A and Class AB tube amplifiers.

Open Calculator →

Reverb Tanks Explained

Decode 7-digit Accutronics/Belton part numbers, input/output impedances, decay times, and mounting orientations.

Read Guide →

Transformer Range

How to match power and output transformers to your power supply requirements, HT current draw, and speaker loads.

Transformer Guide →

Understanding Filter Chokes

Selecting Henry ratings and current capacity to reduce power supply ripple, hum, and stiffen screen supply lines.

Read Article →

Capacitor Guide

A guide to types of capacitors, how to measure the, tools used, where they are ideally used and finally a code sheet for working out what that 223j or similar means

READ ARTICLE→

DYI Discharge Stick

Understanding voltage ratings, ESR, high-voltage filter cap discharging, and selecting coupling capacitors.

DIY Guide →