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Mike's experience with touring musicians and hire companies has identified that modification is usually required to bass amps with 6550 valves. Therefore these valves are only available to customers who bring their amps into our workshop to be serviced etc. Call Mike for details 01908 641966
Copyright 2011, Mike Hill Services, All Rights Reserved. All valves must be fitted by a qualified technician. MHS cannot accept liability for valves that are not correctly fitted by a non-qualified technician. Please note that hazardous voltages may still be present within amplifiers even when disconnected from the mains electricity supply for a long period of time.
Guitar amp valve | MHValves | JJ | Svetlana winged 'C' | Sovtek | Electro Harmonix | Tung Sol | ECC83 | 12AX7 | 6L6 | EL34 | EL84 | 6550