6AZ8
6AZ8 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $8.85 per tube.
What 6AZ8 Sells For
| Measure | Per tube |
|---|---|
| Median | $8.85 |
| Typical range (25th–75th) | $7.50 – $12.52 |
| Most sales (10th–90th) | $4.60 – $14.00 |
| Extremes incl. outliers | $3.50 – $33.00 |
| Completed sales | 12 |
By Brand
| Brand | Median | Range | Sales |
|---|---|---|---|
| RCA | $9.63 | $7.50 – $11.75 | 5 |
| Philips | $7.06 | $5.99 – $14.00 | 4 |
By Condition
| Condition | Median | Sales |
|---|---|---|
| NOS | $8.80 | 9 |
Per-tube prices from completed sales, 2026-06-29 to 2026-09-13. Matched pairs and quads are divided out. See the price index for how these move over time.
Datasheets
Original manufacturer datasheets for 6AZ8, hosted by Frank Philipse's Electron Tube Data sheets.
| Manufacturer | Designation | Datasheet |
|---|---|---|
| Sylvania | 6AZ8 | PDF (579 KB) |
| RCA (HB3) | 6AZ8 | PDF (472 KB) |
| Tung-Sol | 6AZ8 | PDF (401 KB) |
| Sylvania | 6AZ8 | PDF (163 KB) |
In the Archive
Documents held here and used to write this page.
- engineering data service 6
1 further designation appears alongside 6AZ8 in the literature but below the evidence threshold used here, so it is not listed as equivalent.