6X5
6X5 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $14.09 per tube.
What 6X5 Sells For
| Measure | Per tube |
|---|---|
| Median | $14.09 |
| Typical range (25th–75th) | $10.67 – $21.70 |
| Most sales (10th–90th) | $6.00 – $38.89 |
| Extremes incl. outliers | $1.25 – $190.00 |
| Completed sales | 120 |
By Brand
| Brand | Median | Range | Sales |
|---|---|---|---|
| RCA | $12.75 | $10.67 – $21.70 | 28 |
| Sylvania | $13.99 | $10.68 – $21.48 | 25 |
| GE | $14.80 | $13.80 – $19.00 | 13 |
| Raytheon | $16.99 | $11.49 – $18.00 | 8 |
| Tung-Sol | $13.09 | $11.00 – $21.88 | 7 |
| National Union | $10.99 | $7.28 – $16.98 | 5 |
| Zenith | $35.99 | $34.25 – $39.95 | 3 |
By Condition
| Condition | Median | Sales |
|---|---|---|
| NOS | $14.85 | 60 |
| used | $13.90 | 46 |
Per-tube prices from completed sales, 2026-02-08 to 2026-09-27. Matched pairs and quads are divided out. See the price index for how these move over time.
Datasheets
Original manufacturer datasheets for 6X5, hosted by Frank Philipse's Electron Tube Data sheets.
| Manufacturer | Designation | Datasheet |
|---|---|---|
| Sylvania | 6X5 | PDF (129 KB) |
| RCA (HB3) | 6X5 | PDF (119 KB) |
| Tung-Sol | 6X5 | PDF (101 KB) |
| RFT | 6X5 | PDF (64 KB) |
| RCA | 6X5 | PDF (38 KB) |
In the Archive
Documents held here and used to write this page.
- A VIDE PARFAIT DEUX ALTERNANCES
1 further designation appears alongside 6X5 in the literature but below the evidence threshold used here, so it is not listed as equivalent.