Mullard Wide/Fat Base GZ34/5AR4 OO-Getter 4 Notch Blackburn England f31 1959
USD 275.00 USD
Specifications
| Brand | Mullard |
| Type | Vacuum Tube |
| Model | GZ34 |
| Country Of Origin | United Kingdom |
Date Code on Glass: f31 B9K. Labeled "HEATH By Mullard". Made in Blackburn England. Made in November 1959 in Blackburn England. Wide Base (Fat Base). Desirable Early Made Wide (Fat) Base Tube. 4 Notch Version.
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