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Tube Database

Offline specs, pinout, equivalents and published operating points for popular audio tubes. · in Vacuum Tubes

datasheetpinoutspecs

Offline specs, pinout, equivalents and published operating points for popular audio tubes. Look up µ, gm, rp, maximum ratings and heater data -all from the datasheet, available without an internet connection.

Tube Info — Mode and Circuit Types — Tube basic specifications

Tube Info — DC Bias Settings — Tube Operation Points (Q-Point)

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Everything you need to know about a tube before you design around it.

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A tube name — 12AX7, ECC83, EL34. Alternate designations resolve to the same tube.

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Specs: max plate/grid/screen ratings, plate current, anode dissipation, heater data, µ, gm, rp.
Pinout: socket diagram, with top cap where fitted.
Equivalents: tubes that can replace it.
Amps: well-known amplifiers built around it.
Op. Points: published operating points — plate voltage, current, load impedance, output power.

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