Made in USA.
Same as 811A. Brown base. Bottom Tube-Getter.
Nos in original box. Matched pair are available.
Made in USA by RCA.
Silver plate and Bottom Pan-Getter.
Very good for DIY Pre-amplifier.
Nos but packed in Philco box. Matched pair are available.
Made in USA by National Union.
Engraved base, silver plate and Bottom Pan-Getter.
Very good for DIY Pre-amplifier.
Nos in white box. Matched pair are available.
Made in USA by Sylvania.
Engraved base, silver plate and Bottom Pan-Getter.
Very good for DIY Pre-amplifier.
Nos in original box. Matched pair are available.
Made in USA.
Silver plate and Bottom D-Getter.
Very good for DIY Pre-amplifier.
Nos in original box. Matched pair and quad are available.