3RP1

3RP1 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $56.62 per tube.

What 3RP1 Sells For
MeasurePer tube
Median$56.62
Typical range (25th–75th) $45.00 – $89.00
Most sales (10th–90th) $16.12 – $887.20
Extremes incl. outliers $16.12 – $887.20
Completed sales8
By Brand
BrandMedianRangeSales
RCA$45.00 $44.99 – $48.993
By Condition
ConditionMedianSales
used$56.624

Per-tube prices from completed sales, 2026-07-29 to 2026-09-03. Matched pairs and quads are divided out. See the price index for how these move over time.

Datasheets

Original manufacturer datasheets for 3RP1, hosted by Frank Philipse's Electron Tube Data sheets.

ManufacturerDesignationDatasheet
RCA (HB3) 3RP1 PDF (292 KB)
Sylvania 3RP1 PDF (228 KB)
Sylvania 3RP1 PDF (148 KB)
In the Archive

Documents held here and used to write this page.