Lovely looking but 2nd knob broken and all looking a bit unlovedStrange rear laminated panel… original one long gone?Extra vents on the frontVents on the side (part of squeezing 70 watts from a 50 watt designSome of the 100K load resistors replacedWell this explains why she had issues running..interesting speaker jack socketsRectifierCarboard helping insulate the pilot lightCaps all looking good (not the cardboard covered ones.. these tend to last a bit longer)2 more load resistors have been replacedAs with a lot of bassmans..2 unused wires to clip offScrew stopping the on off switch sitting square.. sloppy |CBS buildbroken knob…Some repairs required to the case toltexTubes all tested good and worked fineReglued TolexAll back together and biased up and sounding very loud and proud, lovely amp! Replaced the broken knob with a music man knob I had and put it in the Master volume slotAll cleaned up and new knob replacing broken one Nice 70s Bassman 70 head that has been in a damp shed for 10 years… simple service required and one fault found (wire come adrift…) Sounding great now!