The Fender Blues Junior (BJ) is probably Fender’s best-selling valve amplifier. However, it does have a number of poor design features, not least the layout of the PCB on which the EL84 power valves are mounted. The EL84 is a well-designed valve as the high voltages on the anode (pin 7) and screen grid (pin 9) are […]
11 Denmark St, London
Tel: 07706 712 029
Hours: Monday-Saturday 11.00 am – 7.00 pm
JPF Amplification is a guitar, bass amp and effects pedal repair company based in Denmark Street, London.
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