6CK4

6CK4 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $11.47 per tube.

What 6CK4 Sells For
MeasurePer tube
Median$11.47
Typical range (25th–75th) $9.32 – $12.50
Most sales (10th–90th) $8.99 – $16.46
Extremes incl. outliers $8.99 – $16.46
Completed sales9
By Brand
BrandMedianRangeSales
GE$12.50 $9.32 – $16.463
By Condition
ConditionMedianSales
NOS$11.988

Per-tube prices from completed sales, 2026-07-11 to 2026-09-20. Matched pairs and quads are divided out. See the price index for how these move over time.

Datasheets

Original manufacturer datasheets for 6CK4, hosted by Frank Philipse's Electron Tube Data sheets.

ManufacturerDesignationDatasheet
General Electric 6CK4 PDF (358 KB)
Tung-Sol 6CK4 PDF (72 KB)
RCA (HB3) 6CK4 PDF (69 KB)
In the Archive

Documents held here and used to write this page.