Computer rated tube tested on Hickok 752A, with 1275/1175 result. Minimum 625/625

Tube has ribbed black plates with "D" getter

CBS 5814A 12AU7 Vacuum Tube

Qty

Mullard manufactured tube in Mitcham, England for CGE in Original Box. Code BP1 R3E4. Manufact..

$179.99 USD

Tube #1 tested 2900 where minimum is 1350 and 1200/1300 where minimum is 800/800Tube #2 tested 3000 ..

$39.99 USD

Tube tested 2800 where minimum is 1350 and 1300/1400 where minimum is 800/800Rogers branded vacuum t..

$27.99 USD

Tested 1225/1500 on Hickok 752A. Minimum good is 625/625 Tube has smooth grey plates and ..

$22.99 USD