Ruby Tubes EL34BSTR-MQ El34 Ruby Tubes, Matched Quad Set

$77.00

Brand Ruby Tubes

Formidable output and rugged construction! "Ruby exclusive with large bottle, gold-plated grid, and extra internal anchoring. All Ruby output tubes are labeled on the base with the exact matching measurements for plate current and transconductance. By matching these parameters, optimal performance and long life are ensured.