Brand new DSL100h problems

[guitarpaul]

Hi
I recently purchased a brand new dsl100 and I was running it through a brand new 1960av cab. I let the amp warm up and started playing.

After a little while I heard crackling noises (similar to a noise you'd get from a dodgy lead) through the speakers that didn't get louder when I turned up the volume and they continued even with the lead out. The noises got louder as the amp warmed up.

I tried different leads and a different cab, even going to my local recording studio to check if I was picking up radio signals but all to no avail the amp still made the noise. So I phoned up the guitar shop I got it from and had a replacement sent to me. Only problem is Im still getting the same issues with this new amp, in fact im getting a loud intermittent humming noise. What's going on? I thought it was a tube, but Im not paying for it as its a brand new amp.

Im just getting really fed up with sending the amps back to the shop any body know what could be causing this? Cheers

 

[tazzboy]

Might want to try replacing the tubes and see that gets it to stop.

 

[Alabama Thunderpussy]

Tubes fail. That's what they do. I doubt its an issue with the amp itself.

 

[thrawn86]

Crackling/Fizz might be dirty tube pins or improper seating.

 

[solarburn]

TOOBS.

Check them. They can hum, crackle, ring and pop.

 

[Grunch]

Wait, you had the same noise with the original amp and the replacement amp?

 

[guitarpaul]

Wait, you had the same noise with the original amp and the replacement amp?

Yeh I had the same noise from both. I've sent the amp back and got a refund. I'm going to get another one from a different shop.

Cheers for your help guys.

 

[chadjwil]

Wall voltage...check it. And check your PI tube (V4 on older dsl's). It probably has about 330Vdc on the plate which will definitely cause crackling sounds.

I don't know jack about these new dsl's but I do know what an overloaded PI sounds like.