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INSTANT upgrade for your tube amp? Apos Ray 12AU7 Tubes
Buy Apos Ray Tubes: US - https://bit.ly/Ray12AU7, AUS - https://bit.ly/RayTubesAU A review of the Apos Ray premium 12AU7 tubes including comparisons with JJ Electric 12AU7, Electroharmonix gold pin 12AU7 / ECC82 and NOS Philips JAN5814A 12AU7. Thank you to Linsoul for sponsoring Passion for Sound: https://bit.ly/LinSoul My top recommended ...
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