Anyone try a 5751 in their Marshall to bring down gain?

  • Thread starter Thread starter reverymike
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reverymike

reverymike

Active member
I'm going to try a 5751 in my Marshall to bring the gain down a little -- anyone else try this?
 
Hmmmm, I played Marshalls forever and never once considered "bringing the gain down". It was always the opposite. :thumbsup:
 
The gain drop is pretty slight. Like 90%. I like them in the P.I. Nice and clear sounding. JAN Phillips or GE is what I'd look for.
 
reverymike":n91dmirc said:
Which position? V1 or the phase inverter?
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V1 & V2. Left the PI alone. Can't remember which way I like best (V1, V2, or V1 + V2). It was OK. With that amp, though, I ended up with all pres being AX7's and just riding the guitar's volume knob.
 
Regular ECC-83/12AX7 has a gain factor of 100

5751 has a gain factor of 70.

If you have 3 preamp tubes put it in the 2nd slot.
 
On a related note, would a 5751 sound good in a EVH 50 watt head- specifically the red ch? For the 1st time in my life I think there may be too much gain, lol
 
crankyrayhanky":120ccbho said:
On a related note, would a 5751 sound good in a EVH 50 watt head- specifically the red ch? For the 1st time in my life I think there may be too much gain, lol
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If the gain is all tube it may make a dif.

If its diodes prolly not.
 
Cool thread. I just bought a NOS JAN Philips 5751 today to experiment with. Going to try it in my SLO 100 and see what happens...
 
Oh yeah. I have 2 - in V1 and V2 of a Splawn modded Marshall. Stuck them in there and never looked back. In fact I traded this amp, then he sold it, then I bought it back and they are still in there. Took this amp from Hairy Mary to musical, crunchy, and beautiful. YMMV.
 
thenine":3a8srz1z said:
Oh yeah. I have 2 - in V1 and V2 of a Splawn modded Marshall. Stuck them in there and never looked back. In fact I traded this amp, then he sold it, then I bought it back and they are still in there. Took this amp from Hairy Mary to musical, crunchy, and beautiful. YMMV.
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Which make/ model 5751?
 
vintage Jan/Phillips, bought off ebay about $35 per - few years ago. Really a great trick to get some of these modern robo-gain style amps a bit under control, less noisy, less prone to feedback and a touch more useable (at least for me). I have never suffered for lack of gain on this amp.
 
thenine":2l8n2c4v said:
vintage Jan/Phillips, bought off ebay about $35 per - few years ago. Really a great trick to get some of these modern robo-gain style amps a bit under control, less noisy, less prone to feedback and a touch more useable (at least for me). I have never suffered for lack of gain on this amp.
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Nice. I have the same tube coming my way soon...
 
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