Vintage Amp Schematics

Do you like to play around with making your own amps? Then there’s a good chance that you’re one of those people we might occasionally catch drooling over vintage amp schematics, dreaming of how you can recreate and improve your very own gear and equipment. Learning about how an amplifier works is also a huge bonus if you are ever in the unfortunate situation of needing to repair equipment, as it can save you quite a bit on cost, expense, and frustration.
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The Marshall JTM45 Amplifier

marshall_jtm45_thumbThe Marshall JTM45 was the first amplifier ever produced by Marshall as Jim Marshall looked for a cheaper alternative to the Fender Bassman.  While the circuit is basically the same as the Bassman, the most noticeable difference is that the speakers are housed in a closed back cabinet, while the Bassman speakers were housed in an open back cabinet. Continue reading