6Q7

6Q7 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $15.64 per tube.

What 6Q7 Sells For
MeasurePer tube
Median$15.64
Typical range (25th–75th) $11.29 – $30.99
Most sales (10th–90th) $6.95 – $58.00
Extremes incl. outliers $5.95 – $59.41
Completed sales18
By Brand
BrandMedianRangeSales
GE$15.12 $14.79 – $15.454
RCA$34.23 $13.22 – $59.414
By Condition
ConditionMedianSales
NOS$12.2610
used$29.496

Per-tube prices from completed sales, 2026-03-22 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 6Q7, hosted by Frank Philipse's Electron Tube Data sheets.

ManufacturerDesignationDatasheet
RCA (HB3) 6Q7 PDF (167 KB)
Tung-Sol 6Q7 PDF (121 KB)
Sylvania 6Q7 PDF (67 KB)
RCA 6Q7 PDF (38 KB)
In the Archive

Documents held here and used to write this page.

3 further designations appear alongside 6Q7 in the literature but below the evidence threshold used here, so they are not listed as equivalent.