37

37 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $27.00 per tube.

What 37 Sells For
MeasurePer tube
Median$27.00
Typical range (25th–75th) $20.00 – $105.95
Most sales (10th–90th) $15.00 – $162.29
Extremes incl. outliers $1.63 – $384.99
Completed sales21
By Brand
BrandMedianRangeSales
Mullard$146.10 $115.84 – $248.756
By Condition
ConditionMedianSales
NOS$25.809
used$47.988

Per-tube prices from completed sales, 2026-08-22 to 2026-09-12. Matched pairs and quads are divided out. See the price index for how these move over time.

Datasheets

Original manufacturer datasheets for 37, hosted by Frank Philipse's Electron Tube Data sheets.

ManufacturerDesignationDatasheet
Tung-Sol 37 PDF (43 KB)
RCA 37 PDF (40 KB)
Sylvania 37 PDF (31 KB)
In the Archive

Documents held here and used to write this page.