| Model | MU 20 |
| Brand | DAVEN |
| Plate | Not Visible |
| Getter | Not Visible |
| Tube Type | Triode |
| Variant | Red Base Globe Small Brand Production |
| Common Use | — |
| Date Code | — |
| Manufacture Date | — |
| Country | — |
| Condition | Filament Tested |
| Box | No Box |
Minimum Good Value: Filament Tested Only
ALL TUBES ARE TESTED WITH RECENTLY CALIBRATED PROFESSIONAL TESTERS.
No additional notes.
| Domestic | USPS Ground Advantage — $8.00 |
| International | USPS First Class Intl — Small — $22.00 |
Free Combined Shipping for all USA Buyers. Buy As Many Tubes As You Would Like and Pay Only the First Shipping Fee.
Combined Shipping is available for all International Buyers.