Amperex Bugle Boy 12AU7A = 12AU7 = ECC82 Preamp Tube - Holland 1966 - NOS

Perfectly balanced vintage Amperex 12AU7A tube - Bugle Boy Label - Made in Holland, 1966 - NOS - Super Rare Product Summary The most popular tube brand at the Soundlumia store, the audio tube that every serious audiophile wants to own, and perhaps the most legendary 12AU7/ECC82 tube on the planet. They fly off the shelves faster than we can restock, but here we go here: a perfectly balanced NOS Bugle Boy tube with the special 12AU7A designation. Electrically identical to the standard 12AU7/ECC82, tubes with the "A" designation has a more rugged construction which results in much lower output noise. They were designed to be used in applications with a series heater circuit such TV's, radios and other older electronics. Sound Qualities With the best known label from the legendary Heerlen factory, you get the "textbook" Amperex Holland midrange presentation that is transparent, natural and expansive, with a slight touch of warmth that illuminates your musical world. The top end is