Made in USA by Tung-Sol.
Black glass. Muddy black plate. Bottom Pan-Getter.
Great type from 6B4G family.
Very good bandwidth, bass, midrange and soundstage.
Nos in original box. 2 pairs are available.
Made in USA by Sylvania (1940s).
Muddy black plate. Bottom Pan-Getter.
Very nice tube. Sweet and balance sounding.
Nos but no original box. All tested very strong.
Matched pair and quad are available.
Made in USA by Sylvania (1950s).
Twin mono black plate. Bottom D-Getter.
Very good tube. Great bass.
Nos in original box. .
Matched pair and quad are available.
Made in USA by Tung-Sol (1944).
Black glass. Muddy black plate. Bottom Pan-Getter.
Great type from 6B4G family.
Very good bandwidth, bass, midrange and soundstage.
Nos in original box. 2 pairs are available.
Made in USA by Sylvania (1940s).
Engrave base, Muddy black plate. Bottom Pan-Getter.
Very nice tube. Sweet and balance sounding.
Nos in original box
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.