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Modular Amps
Gigmods Module Mods
common input preamp tube question ?
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<blockquote data-quote="drsakky" data-source="post: 89628" data-attributes="member: 2792"><p>Hello, I am not sure if this is the right place to post but I have just bought a rm100 second hand , the amp has been used a lot but the seller had it retubed not too long ago with some Mullard el34's. I have since then sold the old modules and got 3 new ones ( I play high gain ) but it does not look like he changed the three 12ax7 common input tubes that are in the head on the left side. Do these have a effect on the sound they are pretty old.</p><p></p><p>To change these do you have to do any bias or is it just a matter of take them out and put new ones in, I dont know a lot about this sort of thing ? </p><p></p><p>Also what 12ax7tubes would you recomend ? </p><p></p><p>Thanks</p></blockquote><p></p>
[QUOTE="drsakky, post: 89628, member: 2792"] Hello, I am not sure if this is the right place to post but I have just bought a rm100 second hand , the amp has been used a lot but the seller had it retubed not too long ago with some Mullard el34's. I have since then sold the old modules and got 3 new ones ( I play high gain ) but it does not look like he changed the three 12ax7 common input tubes that are in the head on the left side. Do these have a effect on the sound they are pretty old. To change these do you have to do any bias or is it just a matter of take them out and put new ones in, I dont know a lot about this sort of thing ? Also what 12ax7tubes would you recomend ? Thanks [/QUOTE]
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Modular Amps
Gigmods Module Mods
common input preamp tube question ?
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