Sound City 50 Plus Recap and Service

DSC_1858DSC_1859A lot of insects have made their home here...A lot of insects have made their home here…DSC_1861Original Birmars by the looks of it all tubes Brimar all working to specOriginal Birmars by the looks of it all tubes Brimar all working to specMummified Wood Lice... nice..Mummified Wood Lice… nice..One EL34 socket has been replaced at sometimeOne EL34 socket has been replaced at sometimeLovely Partridge TransformersLovely Partridge TransformersDSC_1865case before cleaningcase before cleaningDSC_1868DSC_1874DSC_1876DSC_1875Power supply cabs about to blow!Power supply cabs about to blow!about to spew!about to spew!now replacednow replacedDSC_1878DSC_1879Replaced Preamp CapsReplaced Preamp CapsAll caps replaced and working on the bench.. bias a little hot (cannot adjust it sown below 50mA... needs a voltage doubler on the biasAll caps replaced and working on the bench.. bias a little hot (cannot adjust it sown below 50mA… needs a voltage doubler on the biasI needed to install a Voltag edoubler on the bias supply to be able to get the bias current to the correct level (even with the old Brimar Tubes) used recycled tested good componentsI needed to install a Voltag edoubler on the bias supply to be able to get the bias current to the correct level (even with the old Brimar Tubes) used recycled tested good componentsDSC_1885|Lovely Brimar tubes!|Lovely Brimar tubes!DSC_1887DSC_1888Back in the caseBack in the caseDSC_1891DSC_1890Ready for collection!Ready for collection!

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