Heritage b-15 bass amplifier, A brief history of the tube, Tube types and usage – Ampeg HERITAGE B-15 User Manual

Page 7: Important information about tubes

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Heritage b-15 bass amplifier, A brief history of the tube, Tube types and usage | Important information about tubes | Ampeg HERITAGE B-15 User Manual | Page 7 / 12 Heritage b-15 bass amplifier, A brief history of the tube, Tube types and usage | Important information about tubes | Ampeg HERITAGE B-15 User Manual | Page 7 / 12
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