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300A Western Electric Engraved Base circa 1933

By Tube World

$ 0.00

300A Western Electric Engraved Base circa 1933 nice condition - 

$7998.88

payment via wire transfer

shipping via UPS or DHL

 

Vfil=5VDC

Vplate=300VDC

Vgrid=-56.5VDC

Iplate=60ma

Gm=4750

 

Vfil=5VDC

Vplate=400VDC

Vgrid=-80.5VDC

Iplate=71ma

Gm=4850

 

original box - poor condition

300A data sheet

 

 

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