Marshall bluesbreaker

billando

Iv been using a marshall bluesbreaker attenuated just a little at gigs non miced and sometimes I feel it doesn't cut through that well. I always play on 10. Does anybody else use one and have any suggestions? They seem a bit flabby at full volume. 

hywelg

That's a JTM  though, they do flub out when turned up. Try a solid state rectifier?

ICBM

hywelg said:

That's a JTM  though, they do flub out when turned up. Try a solid state rectifier?

Yes, that will tighten up the bass response at full power. The type of rectifier you need is a straightforward plug-in diode rectifier, not a 'valve emulating' one with extra resistance. Easy to tell apart - the type you need should be no larger than the black plastic valve base.

p90fool

Just back it off a little? I always ran my non-mv Marshalls on 8, just before the onset of mush. 

Modulus_Amps

Roll the bass back as much as you can handle too.

If you are playing un-mic'd and can't hear yourself, can anyone else hear you?

billando

I do have the bass almost at zero. I found it sounds great on my own but kind of thin with my band. Loud but didn't cut through. 

TTBZ

Try boosting with a treble boost type pedal?

57Deluxe

/\ like a Rangemaster!

Nerine

Don't use the attenuator??

John_A

That's just what JTM45's do, there are all sorts of mods to remove flub, trouble is they stop the amp sounding like a JTM.  Backing off the volume a bit and running the bass at zero is the best option, if it's not loud enough just buy another

shaunm

John_A said:

That's just what JTM45's do, there are all sorts of mods to remove flub, trouble is they stop the amp sounding like a JTM.  Backing off the volume a bit and running the bass at zero is the best option, if it's not loud enough just buy another

Or use a Bassman and a Strat. Flub is reduced and high end is there in abundance 

dannyboy82

ICBM said:

hywelg said:

That's a JTM  though, they do flub out when turned up. Try a solid state rectifier?

Yes, that will tighten up the bass response at full power. The type of rectifier you need is a straightforward plug-in diode rectifier, not a 'valve emulating' one with extra resistance. Easy to tell apart - the type you need should be no larger than the black plastic valve base.

Sorry for the highjack but can this trick be used on a PRRI? More my curiosity than an actual problem but I wouldn’t mind trying it.

Thanks.

Dominic

57Deluxe said:

/\ like a Rangemaster!

exactly this........any treble booster will do but ringmaster type circuit is perfect
then you can wind the amp back a bit too

ICBM

dannyboy82 said:

Sorry for the highjack but can this trick be used on a PRRI? More my curiosity than an actual problem but I wouldn’t mind trying it.

You'll be pushing it on the voltages for the 6V6s - the Princeton runs them very high anyway.

A good way of getting more headroom and less flub is the 'Stokes mod', but I've never done that on a reissue.

dannyboy82

ICBM said:

dannyboy82 said:

Sorry for the highjack but can this trick be used on a PRRI? More my curiosity than an actual problem but I wouldn’t mind trying it.

You'll be pushing it on the voltages for the 6V6s - the Princeton runs them very high anyway.

A good way of getting more headroom and less flub is the 'Stokes mod', but I've never done that on a reissue.

In that case, I'll leave well alone! Thanks for the info.

menamestom

dannyboy82 said:

ICBM said:

hywelg said:

That's a JTM  though, they do flub out when turned up. Try a solid state rectifier?

Yes, that will tighten up the bass response at full power. The type of rectifier you need is a straightforward plug-in diode rectifier, not a 'valve emulating' one with extra resistance. Easy to tell apart - the type you need should be no larger than the black plastic valve base.

Sorry for the highjack but can this trick be used on a PRRI? More my curiosity than an actual problem but I wouldn’t mind trying it.

Thanks.

Best way to firm the bass up in a PRRI, after changing the speaker is to swap the OT out.  The Allen TO20 works well is it is a drop in replacement.

http://www.allenamps.com/trans.html

John_A

Shameless plug, I have a solid state plug-in  rectifier in the classifieds

http://thefretboard.co.uk/discussion/149448/solid-state-plug-in-rectifier-and-bias-probe#latest

menamestom

Would changing the speakers not help, is it loaded with greenbacks?

John_A

menamestom said:

Would changing the speakers not help, is it loaded with greenbacks?

Yes, to some extend, but as I said earlier the more you do to it to remove the flub, speaker changes included, the less it sounds like a JTM45.

I had one and modded the life out of it until it didnt flub, but sounded like a JCM800, which isnt a bad thing, but if you want a JCM800 it's easier to buy one, and if you want a JTM then put up with the flub.

As pointed out turning the volume down a bit, reducing the bass and using single coils helps, but will sound very different to the thing ran flat out with humbuckers.