12AX3

12AX3 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $36.24 per tube.

What 12AX3 Sells For
MeasurePer tube
Median$36.24
Typical range (25th–75th) $17.97 – $59.99
Most sales (10th–90th) $9.55 – $112.00
Extremes incl. outliers $9.55 – $112.00
Completed sales8
By Condition
ConditionMedianSales
used$59.993

Per-tube prices from completed sales, 2026-07-08 to 2026-09-27. Matched pairs and quads are divided out. See the price index for how these move over time.

Datasheets

Original manufacturer datasheets for 12AX3, hosted by Frank Philipse's Electron Tube Data sheets.

ManufacturerDesignationDatasheet
General Electric 12AX3 PDF (118 KB)
Tung-Sol 12AX3 PDF (88 KB)
RCA (HB3) 12AX3 PDF (36 KB)
In the Archive

Documents held here and used to write this page.