WESTERN ELECTRIC 328A ENGRAVED BASE (310A) SMALL PUNCH RARE VACUUM TUBE 1. 8621
Item History & Price
Reference Number: Avaluer:42625800 | Brand: Philco |
Type: Vacuum Tube |
SIMILAR TO 310A PENTODE EXCEPT IT RUNS 7.5 FILAMENT VOLTS THIS IS A VERY ENGRAVED BASE (EARLY) VERSIONSMALL PUNCH PLATE MESH FOIL GETTERMADE IN USA PREMIUM QUALITY AUDIO / AMPLIFIER
TESTED STRONG ON HICKOK TV7 RESULTS = 55 MINIMUM GOOD = 44