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Mullards for Preamp?

I have a Cary SLP-74 tube preamp and just replaced the original Chinese tubes with Mullards. When I turn the preamp on to standby the two output Mullards flare up and then go down. Is this normal? They really sound amazing as compared to the ones that came with it. Very warm and lush sound. Just what I wanted. I just need to know if they are supposed to do the flare up thing? Thanks for any help. -Durr
128x128durr3
4 responses Add your response
william7
53 posts
 
Yes, The flash is normal, don't worry about it, they are suppose to do that.
Enjoy, great tubes.
dopogue
1,773 posts
 
This is normal for some Mullards and other tubes. I wouldn't worry about it.
mechans
3,048 posts
 
Exactly right you don't always see the flash, but the sound you are getting is what is intended. It's the British sound type people are generally referring to. That's why there is a high demand for those tubes.
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