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Is 6922 Gold Lion input tube compatible w/ SE84ZS? (Read 863 times)
meraklya
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Posts: 29
Is 6922 Gold Lion input tube compatible w/ SE84ZS?
08/10/13 at 04:35:45
 
Hello,

I bought a Gold Lion 6922 input tube to use with my SE84ZS.

It produces loud humming noise (both speaker channels). The stock 6922 is nearly dead quiet (produces the same type of hum as the Gold Lion but much much quieter).

(With the Gold Lion in, the amplifier still plays music).

Is it a compatibility issue or do I just have a bad tube?

Thanks!
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Decware SE84ZS, Yamaha AS2000 as phonostage/pre, Rega RP6, Teac UD-501 DSD DAC, MacBook Pro/Audirvana Plus, Yamaha CD-S1000 for SACD, Focal 806v
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Rivieraranch
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Posts: 1272
Re: Is 6922 Gold Lion input tube compatible w/ SE84ZS?
Reply #1 - 08/10/13 at 17:19:26
 
Where did you get the Lion from? I think you need a whip and a chair and then it probably wouldn't even work. It is undoubtedly a bad tube. It is probably oscillating in that circuit. I heard that the current ZEN pushes the 6922 to its limits so that might be part of it.
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DECWARE CSP2+, TABOO MK III; SE84CKC; HR1; TRAPEZIUM DESKTOP SPEAKERS; TECHNICS SL1200MK5 turntable; Ah! Njoe Tjoeb CD player; MARANTZ 2226B, 2216B receivers; SENNHEISER HD-580 headphones
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meraklya
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Posts: 29
Re: Is 6922 Gold Lion input tube compatible w/ SE84ZS?
Reply #2 - 08/10/13 at 21:49:34
 
It's a used tube, supposedly 100+- hours of use and it "worked flawlessly" for the seller. Risky business, buying a used tube.
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Decware SE84ZS, Yamaha AS2000 as phonostage/pre, Rega RP6, Teac UD-501 DSD DAC, MacBook Pro/Audirvana Plus, Yamaha CD-S1000 for SACD, Focal 806v
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Rivieraranch
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Posts: 1272
Re: Is 6922 Gold Lion input tube compatible w/ SE84ZS?
Reply #3 - 08/11/13 at 01:23:30
 
Unless you buy it from Jim McShane. Maybe it could be used in a less demanding application?
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DECWARE CSP2+, TABOO MK III; SE84CKC; HR1; TRAPEZIUM DESKTOP SPEAKERS; TECHNICS SL1200MK5 turntable; Ah! Njoe Tjoeb CD player; MARANTZ 2226B, 2216B receivers; SENNHEISER HD-580 headphones
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