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Philips PCC88/7DJ8 - 7DJ8/PCC88 are a great choice. They are absolutely compatible with virtually any product that uses 6922 and 6DJ8 Whether it's an amp, preamp, CD player, whatever. You still need to pick a good one of course. And one that meets your sonic requiremements. And Upscale Audio doesn't sell any sucky ones. But understand this: You are in essence getting tasty stuff for half what you would pay if they were labeled 6DJ8 instead of 7DJ8. They will operate the same. Trust Uncle Kevvy on this one.
This is a 7 volt version of the super-expensive, impossible to find Philips 6DJ8. We've been searching far and wide for other alternatives to the 6DJ8 tubes that sounds great and lasts and this one rocks.
This tube has Philips Holland parts, and the associated sound. They were assembled in the Ei factory according to the small etched codes on the glass. They test beautifully, and of the ones we have sent out to my knowledge we have had zero defects. The sound is smooth and balanced. Not as edgy as an Amperex Bugle Boy which shares the same guts. The midrange is very pretty.
So here's an opportunity to try something super sexy and exotic without breaking the bank. These come in original Philips boxes. Don't smoke crack and lose out on these opportunities. I busted my ass staying up till all hours of the night to track these down in Europe. It's a major coup and I want you to name your first child or grandchild after me. Okay.....maybe it's not quite THAT important, but you get my meaning. .
Platinum grade - The best of the best. Lowest noise and microphony with the tightest triode balance we have available. This is typically 10% or tighter, but may be higher depending on available stock.
Gold grade - Low noise and microphonics with a triode balance typically between 15% and 20%, but may be higher depending on available stock.
Logo and box may vary from picture above. Price includes matching in any quantity you need at no extra charge.