5Y4G
5Y4G has no equivalent designation confirmed by the archive. Completed sales put the typical price at $23.32 per tube.
| Measure | Per tube |
|---|---|
| Median | $23.32 |
| Typical range (25th–75th) | $17.68 – $26.95 |
| Most sales (10th–90th) | $13.49 – $32.49 |
| Extremes incl. outliers | $6.95 – $37.15 |
| Completed sales | 28 |
| Brand | Median | Range | Sales |
|---|---|---|---|
| Philco | $25.09 | $19.49 – $26.95 | 6 |
| Sylvania | $25.80 | $21.95 – $28.48 | 5 |
| Zenith | $32.46 | $28.98 – $37.15 | 4 |
| RCA | $18.84 | $17.68 – $22.50 | 4 |
| GE | $25.95 | $16.95 – $27.73 | 3 |
| Condition | Median | Sales |
|---|---|---|
| NOS | $25.80 | 13 |
| used | $19.75 | 12 |
Per-tube prices from completed sales, 2026-06-23 to 2026-09-17. Matched pairs and quads are divided out. See the price index for how these move over time.
Original manufacturer datasheets for 5Y4G, hosted by Frank Philipse's Electron Tube Data sheets.
| Manufacturer | Designation | Datasheet |
|---|---|---|
| RCA (HB3) | 5Y4G | PDF (50 KB) |
Documents held here and used to write this page.
- 5Y4-G
2 further designations appear alongside 5Y4G in the literature but below the evidence threshold used here, so they are not listed as equivalent.