Up for sale is gorgeous matched pair of RCA (Beckman branded) 5751 (12AX7 variant) tubes. Purchased as NOS from Brent Jesse Tube supply, these were extra's for a pre-amp i no longer own. I've tested them as well on my Amplitrex AT-1000, results shown.
This is a buy-it-now listing, with payment due at time of purchase. Please ask any and all questions before committing to purchase.
A 3% Paypal/ CC fee has been included in the flat rate shipping.
Price is firm, not taking offers on these.