Offered for sale a matched pair of RCA red base 5691 tubes with grey plates.Manufactured in the USA mid fifties.Both tubes test strong at 80/81 whereas 50/50 is considered good.The tubes are noise free and without issue.Minimum use as I have several different brands that I rotate in and out.
$110 for the pair.I will accept personal check,US Post MO or paypal +4% and I would invite you to check my Audiogon feedback under my member name.Shipping by US Post from 49783.
