Buzz on left channel

[Tabaia]

Ah Yes, I had done that already but will give it another go.

[Tabaia]

I Presume the readings are fine?

[Paul Birkeland]

There isn't anything in your DC voltages that indicates a problem.

[Tabaia]

Hello Again,
Still trying to problem solve the buzzing.
Have again and quite meticulously while the amp is on and with headphones  gone through with a bamboo skewer and probe'd all wiring, listening for any changes but could not detect anything.

Also gently wiggled the transformers. Agin could not detect anything.

Kindly advise of the next step to take.

Many thanks

[Paul Birkeland]

Can you post build photos?  What kind of solder was used on the build?

[Tabaia]

After going through all the soldering joints cables , tapping on the chassis, tapping on the components, looking over the whole unit in detail I finally turned it over and pulled the tubes out reinserted them a number of time.
Not it works perfectly again.
Thank you all for your support.
By the way I used the Cardas solder.