Seth´s Articles

Valve pin straightener B9A

Valve pin straightener B9A

Valve Pin straightener die  B9AThis is an invaluable tool to straighten up valve pins. It is aimed at restorers and valve enthusiasts alike. It is hard to re-align valve pins with pliers etc, without ...

Hacker Sovereign III RP72MB

Hacker Sovereign III RP72MB

Hacker Sovereign III RP72MB Portable.Having a soft spot for Roberts and Hackers, when this little lady came into the shop, I tossed away all money earning repairs and sat her on my lap.She seemed to ...

Laney Cub 12R

Laney Cub 12R

Well the little Laney Cub12R gets the Zeta Services this week’s award for the most stupid amplifier to service. On the outside, looks all pretty and sweet. Customer said it was blowing fuses and ...

Bush DAC90, a rescue.

Bush DAC90, a rescue.

Rescued this Bush DAC90 from being “Up-cycled”, sale in a dog charity shop, via a heads up from the great Brad Swift. This set was released a year or so after WW2, around 1946.It´s production ran for ...

Allen and Heath mixing desk ZED16FX

Allen and Heath mixing desk ZED16FX

Allen and Heath ZED16FX mixing desk – with a moral of the story. Like most engineers, when we get a mixing desk in, our hearts sink. Given the nature of most of the budget desks, such as Behringer ...

Sansui AU-X710

Sansui AU-X710

Sansui AU-X701Here is another example of an amplifier that has been around the block many times hoping for a repair. As usual ending up at the stupid Guiri (Spanish slang for foreigner), i.e. ...

Yeasu FT450D

Yeasu FT450D

This poor transceiver had been accidently left connected to the antenna array during a thunderstorm. Whilst not having had a direct hit, it would seem that a local striation must have hit the ...

Henry Radio 2006A repair

Henry Radio 2006A repair

Henry Radio 2006AWhen someone says to me “I bet you like a challenge?” my answer nowadays is NO. I like a job that I can complete quickly, doesn’t make my head hurt and I can earn enough to feed ...

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