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Thread: Bassman vs. Bassman 50 - what's the difference?

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    Master of his Domain Agileguy_101's Avatar
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    Default Bassman vs. Bassman 50 - what's the difference?

    I went to my school today because the director of the music department said that we had an old silverface bassman in the closet. Of course, I just assumed it was a 68. It turned out to be a Bassman 50, the one with the master volume. Man, did it sound good! But I want to know what the difference is between that and the AB165 circuit Bassman. Is there a consensus on which one is better, or is it just preference? Because if an AB165 is better than that... well damn.
    Quote Originally Posted by Edgecrusher View Post
    Happy with an Epi? Great! Want an R9? Great! Like paying a thai hooker to strap up and roto root your backside cause you think it makes you hit the high notes better? Great! If they are happy and go out and play some kick ass music then its all good in my book.
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    Ultimate Tone Slacker loudriver23's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    What sounds good, IS GOOD. But the general consensus is the non-master volume amps are preferred to the MV ones.
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    Master of his Domain Agileguy_101's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    Quote Originally Posted by loudriver23 View Post
    What sounds good, IS GOOD. But the general consensus is the non-master volume amps are preferred to the MV ones.
    That's what I figured. Even if I wanted to buy the 50, I couldn't - school property. Oh well, I guess I'll have to "settle" for the non-master. Poor me.
    Quote Originally Posted by Edgecrusher View Post
    Happy with an Epi? Great! Want an R9? Great! Like paying a thai hooker to strap up and roto root your backside cause you think it makes you hit the high notes better? Great! If they are happy and go out and play some kick ass music then its all good in my book.
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    BadHairDayologist Empty Pockets's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    yeah believe it or not, the non-master volume ones sound way better.

    by the time they were using a master volume they were also cutting a lot of corners over at the CBS guitar company. Score that 68 cuz it's a silverface head with blackface guts. Most chicks won't care that it's not a Blackface and the one that does is probably my future wife.
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    Master of his Domain Agileguy_101's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    Quote Originally Posted by Empty Pockets View Post
    yeah believe it or not, the non-master volume ones sound way better.

    by the time they were using a master volume they were also cutting a lot of corners over at the CBS guitar company. Score that 68 cuz it's a silverface head with blackface guts. Most chicks won't care that it's not a Blackface and the one that does is probably my future wife.
    Makes sense. I emailed the seller and he said that the owner before him had work done to the bass channel to make it sound more Marshall-esque. Hopefully there wasn't any work done to the normal channel - or if there was, hopefully it still sounds like it should. The guy said he thinks that it was modded since it breaks up around 4, but as long as it sounds good, does it really matter?

    Plus, he said that he got the 3 prong cord done, the caps cleaned, and the power section re-tubed and biased. All that for $400? That's a steal!
    Quote Originally Posted by Edgecrusher View Post
    Happy with an Epi? Great! Want an R9? Great! Like paying a thai hooker to strap up and roto root your backside cause you think it makes you hit the high notes better? Great! If they are happy and go out and play some kick ass music then its all good in my book.
    Powered by Alnico 8 and fuzz.

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    Mojo's Minions Laughing Kookaburra's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    The 50s sound fine. They're not the BF circuit like the 68, but they are darn decent amps.

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    BadHairDayologist Empty Pockets's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    ^^ that marshall mod is really common. i've had about 10 guys offer to do it for me.

    at any rate you can't buy a better amp for $400 dude. get it now.
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    Master of his Domain Agileguy_101's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    Quote Originally Posted by Empty Pockets View Post
    ^^ that marshall mod is really common. i've had about 10 guys offer to do it for me.

    at any rate you can't buy a better amp for $400 dude. get it now.
    How much does it cost to have someone do the marshall mod, on average? Is it easily reversible? Do you like the bass channel stock, or even use it?
    Quote Originally Posted by Edgecrusher View Post
    Happy with an Epi? Great! Want an R9? Great! Like paying a thai hooker to strap up and roto root your backside cause you think it makes you hit the high notes better? Great! If they are happy and go out and play some kick ass music then its all good in my book.
    Powered by Alnico 8 and fuzz.

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    Ultimate Tone Slacker loudriver23's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    FWIW, I never use the bass channel on mine. I play mostly clean, and I use pedals for light overdrive. I suppose if I was into higher gain stuff, I'd either look into a different amp, or some more serious pedals. For $400 a nice 68 SF Bassman, you can't go wrong.
    I would prefer if it hadn't been modified already, as you don't know how good/bad of a job the tech did. But if the amp is in working condition and the transformers are in good shape, it shouldn't cost too much to have a tech get you where you need to be.
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    Guitaris Maximus Stratman's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    The AB165 circuit is just one of the circuit, but it is not to be confused with the original 1959 Bassman circuit.

    5F6-A Original Bassman circuit - The one that Marshall copied!


    Bassman Circuit 6G6 (1961-1962)
    Odd circuits aplenty. DC coupled first gain stages, cathode-driven 'Bass' control in 'Bass' channel. 'Treble' control is after 3rd gain stage. Tapped 'Treble' control in 'Normal' channel.

    Bassman Circuit 6G6A (1962-1964)
    As above, with linear-taper 'Volume' control in 'Bass' channel. Also, has more inverse feedback.

    Bassman Circuit 6G6B.
    As above, with slightly different tone controls in 'Bass' channel.

    Bassman Circuit AA270 (1968-1983)
    Odd 3rd gain stage common to both 'channels', with local feedback. Very odd inverse feedback circuit. Not a great guitar circuit. Increased output power, post 1976.

    Bassman Circuit AA371 (1968-1983)
    As above Odd 3rd gain stage common to both channels, with more local feedback than AA270. The 'King' of screwball inverse feedback circuits; awful for guitar. Increased output power, post 1976.

    Bassman Circuit AA864 (1964-1967)
    As above. Very close to 'classic' circuit. 'Bass' channel has extra gain stage. High amount of inverse feedback.

    Bassman Circuit AB165 (1964-1983)
    As above. Odd 3rd gain stage common to both channels, with local feedback. Inverse feedback circuit boosts bass frequencies; not great for guitar. Local feedback at output stage. Increased output power, post 1976.

    Bassman Circuit AC568 (1968-1983)
    See AA270.
    Last edited by Stratman; 08-13-2010 at 04:08 AM.
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    BadHairDayologist Empty Pockets's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    ^ not great for guitar? mine sounds GOD DAMN INCREDIBLE and has been my only amp for like 7 years. Dude who wrote up that list has interesting opinions that he's extolling as fact.

    As for the bass channel...i like it. It's darker than the normal channel, predictably. I run the amp jumped most of the time so that i can dial in a thicker tone and have a little more control over the EQ...

    Honestly tho...running it loud and clean (we'll call it "five or six") with fuzz and OD pedals is the way to do it...this amp loooves fuzz and OD pedals...
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    firstlessonologist guitfiddle's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    ^^^ The AB165 isn't usually regarded as being the best for guitar by itself...the AA864 takes that cake from the vintage purists...but the AB165 DOES sound f****n GOOD.

    I had one, but sold it due to the fact that my Music Man will do everything the Bassman could, plus all the things it couldn't

    Also, the idea that non-MV always sound better is completely subjective...I've plugged into MV Fenders that made all the crap sitting at GC sound like toys, and that includes the reissues of non-MV amps.
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    Looking for Real Life drew_half_empty's Avatar
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    Default Re: Bassman vs. Bassman 50 - what's the difference?

    I had a 50 and it sucks

    go nmv

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