6KD6

6KD6 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $40.00 per tube.

What 6KD6 Sells For
MeasurePer tube
Median$40.00
Typical range (25th–75th) $25.59 – $52.35
Most sales (10th–90th) $15.00 – $85.99
Extremes incl. outliers $9.45 – $108.11
Completed sales32
By Brand
BrandMedianRangeSales
GE$54.17 $25.59 – $85.9910
Sylvania$49.85 $39.99 – $52.996
RCA$37.50 $29.95 – $52.356
By Condition
ConditionMedianSales
NOS$52.3517
used$32.7010

Per-tube prices from completed sales, 2026-07-20 to 2026-09-23. Matched pairs and quads are divided out. See the price index for how these move over time.

Datasheets

Original manufacturer datasheets for 6KD6, hosted by Frank Philipse's Electron Tube Data sheets.

ManufacturerDesignationDatasheet
General Electric 6KD6 PDF (383 KB)
RCA (HB3) 6KD6 PDF (135 KB)
In the Archive

Documents held here and used to write this page.