12SQ7
12SQ7 has no equivalent designation confirmed by the archive. Completed sales put the typical price at $14.70 per tube.
What 12SQ7 Sells For
| Measure | Per tube |
|---|---|
| Median | $14.70 |
| Typical range (25th–75th) | $7.14 – $21.36 |
| Most sales (10th–90th) | $6.00 – $24.18 |
| Extremes incl. outliers | $4.29 – $26.37 |
| Completed sales | 19 |
By Brand
| Brand | Median | Range | Sales |
|---|---|---|---|
| RCA | $14.70 | $10.37 – $21.36 | 5 |
| GE | $6.99 | $4.29 – $6.99 | 3 |
By Condition
| Condition | Median | Sales |
|---|---|---|
| NOS | $12.54 | 10 |
| used | $13.54 | 6 |
Per-tube prices from completed sales, 2026-07-30 to 2026-09-03. Matched pairs and quads are divided out. See the price index for how these move over time.
Datasheets
Original manufacturer datasheets for 12SQ7, hosted by Frank Philipse's Electron Tube Data sheets.
| Manufacturer | Designation | Datasheet |
|---|---|---|
| Tung-Sol | 12SQ7 | PDF (226 KB) |
In the Archive
Documents held here and used to write this page.
- PEATE 1934 DEC. 1, 1947
1 further designation appears alongside 12SQ7 in the literature but below the evidence threshold used here, so it is not listed as equivalent.