RJH wrote:
Phil Allison wrote:

RJH wrote:

My 20 year old Rose valve preamp has started making a 'whooshing' sound,
varies in intensity, with a steady rush of background hiss. Might it be
the valves? Everything lights up, and I've had the back off and all
looks in order.


** After 20 years, it is time you replaced all the valves.


Yes, I'd better bite the bullet I suppose. Prices seem to vary widely (4
x National ECC82) - this seems to be about the cheapest:

http://www.rapidonline.com/electroni...de-valve-35348


Ordered from Rapid last night, arrived lunchtime, amp now working fine.

Many thanks for your help.



** Valves are made to plug into sockets for a reason ...




..... Phil