5AS4

5AS4 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $18.00 per tube.

What 5AS4 Sells For
MeasurePer tube
Median$18.00
Typical range (25th–75th) $6.62 – $28.23
Most sales (10th–90th) $5.88 – $39.98
Extremes incl. outliers $2.39 – $68.80
Completed sales23
By Brand
BrandMedianRangeSales
GE$23.88 $20.35 – $25.807
Sylvania$9.25 $6.00 – $28.237
RCA$12.49 $7.25 – $39.985
By Condition
ConditionMedianSales
NOS$25.8013
used$6.629

Per-tube prices from completed sales, 2026-07-10 to 2026-09-09. Matched pairs and quads are divided out. See the price index for how these move over time.

Datasheets

Original manufacturer datasheets for 5AS4, hosted by Frank Philipse's Electron Tube Data sheets.

ManufacturerDesignationDatasheet
RCA (HB3) 5AS4 PDF (35 KB)
In the Archive

Documents held here and used to write this page.