When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
2x HP Branded RCA 5963 - 12AU7 Long Plate Tubes - Early 60\'s - NOS - Amplitrex:
$34.50
Pair of NOS HP Branded RCA 5963 - 12AU7 Long Plate Tubes - Early 60\'sSee Pictures for sample Test Scores - Please note that the matched pairs you receive will include printed test scores in the 85% to 100% plus spec range.
All tubes are tested and matched on the Amplitrex AT1000 digital tester, in Fixed Bias mode.Buy with confidence - I accept 30 Day returns.
For best results - before you install your tubes be sure that your power is off, that the tube sockets are tight and cleaned periodically with a product like Detoxit 100%.
