Bias Resistor Solver v2.2 — Cathode & Grid Bias
All‑in‑one, offline bench tool. Auto‑suggests cathode voltage from tube type, correct fixed‑bias math with editable Vg & divider current, realistic adjustable bias (pot + floor), E12/E24 picks, and safe wattage rounding. Enter bias supply as 55 or −55 — it’s handled automatically.
Cathode Bias
Vk is a first‑pass estimate. After installing Rk, measure Vk and re‑run for fine trim.
Grid (Fixed) Bias
Grid (Adjustable) Bias — Pot + Floor
Designed for bench use. No data leaves this page. — © Village Valve Amplification