6CY7

6CY7 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $10.49 per tube.

What 6CY7 Sells For
MeasurePer tube
Median$10.49
Typical range (25th–75th) $4.48 – $18.30
Most sales (10th–90th) $4.35 – $22.95
Extremes incl. outliers $3.75 – $51.52
Completed sales19
By Brand
BrandMedianRangeSales
Sylvania$16.23 $7.50 – $18.305
RCA$7.25 $6.50 – $7.995
GE$10.10 $4.48 – $22.954
By Condition
ConditionMedianSales
NOS$15.7215
used$4.484

Per-tube prices from completed sales, 2026-02-10 to 2026-09-21. Matched pairs and quads are divided out. See the price index for how these move over time.

Datasheets

Original manufacturer datasheets for 6CY7, hosted by Frank Philipse's Electron Tube Data sheets.

ManufacturerDesignationDatasheet
General Electric 6CY7 PDF (522 KB)
Tung-Sol 6CY7 PDF (244 KB)
RCA (HB3) 6CY7 PDF (92 KB)
In the Archive

Documents held here and used to write this page.