Mackie Mixer Misery & The Tascam Model 12

My troublesome Mackie - which I had managed to fix with much spraying and cleaning of the pots - decided to reward me by packing up entirely. I went out and bought a Tascam Model 12 as a replacement. They are different beasts and this is my very shallow dive. I managed to get the Mackie fixed for £100. The faulty diode was £4