Bass amp borked?

[wambamalubop]

Switched on my bass amp (head) today and I always use the mute switch to plug in, so turned off mute and...

 

Sound is very quiet and distorted now. 

 

I'm thinking, pre-amp stage has failed.  I wonder if it is the tube? 

 

The amp is a  Laney SLS studio, I've had it for a few years but it's largely been unused, I've used it for practice in my studio with a Bergantino speaker. It's been treated well. 

 

What do we think? Tube? I guess its a cheap thing to swap to see if it solves this.

 

Edited July 15, 2023 by wambamalubop
Error

[Downunderwonder]

Today I beat Bassman Paul to the news. It may be a corroded fx loop interrupt switch. Plugging a spare lead into the loop restores signal. Send goes back to return.

 

Or could be a tube but try the patch lead first. 

[wambamalubop]

14 minutes ago, Downunderwonder said:

Today I beat Bassman Paul to the news. It may be a corroded fx loop interrupt switch. Plugging a spare lead into the loop restores signal. Send goes back to return.

 

Or could be a tube but try the patch lead first. 

Oh, thanks I'll try that!

[wambamalubop]

It worked, you are awesome man! 

[Downunderwonder]

8 hours ago, wambamalubop said:

It worked, you are awesome man! 

If I had a dollar.....

[agedhorse]

Yup, this was also suggested Saturday on your TalkBass thread asking for help on the same amp... post #19. You could at least have the courtesy of following up there with your resolution IMO.

[BassmanPaul]

On 15/07/2023 at 06:47, wambamalubop said:

It worked, you are awesome man! 

He's even more awesome than you know. Whist giving all the great advice that he does he's hanging upside down on the bottom of the planet!!  LOL