Scumback for an open back combo, and j?

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Doug H
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Scumback for an open back combo, and j?

Post by Doug H » Fri Dec 03, 2010 8:30 pm

Strat through a plexi style circuit, 50w combo.

So I picked up a heavy magent thinking it might sound "bigger" in my combo, and it probnably does. I had a Stan Spec in there for a while which was cool, but my scumback is a 55hz, the ass never get's too big and flabby for me, so back in the scumback went.

It was gerat at first, but now I'm missing the mids of the weber. Now the weber was as 25w so it was being pushed harder than the 65w scummy in tyhere now.

I think Im not a hevy magnet guy, Im a gain vampire, ie, there's never enough overdrive for me, but not ni a tight neavy metal way which I think the heavy magnets excel at. I want the big lush mods with some upper mid bark and a fat ass. I'm having to turn down the treble a lot more than I did with the stan spec. IAlthough I hear the SS is sort of muffled compared to some others, which falls in line with my experience. A little more edge would be nice, I'm gonna buy another and use them for the top two of my slant cab 4x12

So I want another 65w scummy. First up is the m55. Now should I consider the new "j" series? Anyone think they might keep the mojo but work well in a combo? I listened to Sinas' shootout and I think it was the LDC version I liked.

Any input appreciated.

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Re: Scumback for an open back combo, and j?

Post by Doug H » Fri Dec 03, 2010 8:35 pm

oh and what tone I'm chasing, Jimi, Ronson, Halen, AC DC as a low gain example,. all the typical classic Marshall tones is what I'm after, with a big ass :). It's a shared cathode SB with the the treble tonestack and 470k mixers, kind of an oddball, probably closest to a SB black flag if there ever was such a thing.

I usually play with everything on ten, and use a GE fuzz sometimes, phycadelic 60s heavy blues/rock etc...

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Re: Scumback for an open back combo, and j?

Post by Doug H » Sun Dec 05, 2010 9:13 pm

So the J is half way to the H. I liked the LDC clips I heard, but that's a 75hz thing, I suppose I could probably talk my way into a special order j55 LDC, but I'm guessing there's a reason why it's not there. I'm not sure the heavier magnets are really making my single speaker combo any "bigger" anyhow. I think I'm gonna go with the standard m55. At least that way I'll have a baseline.

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Re: Scumback for an open back combo, and j?

Post by Scumback Speakers » Mon Dec 06, 2010 12:03 am

None of Jimi's tones were done with a large dust cap speaker that I know of (they came in after his death). As far as the J75 holding up in an open back combo, that should be no sweat. M75 and M55's do, and since the J series have a bit bigger magnet they'll have a tighter/stronger low end. They'll have most of the M75 mids, but with a touch more high end.

Hope this helps, sorry I didn't see this thread before, but I've been so busy testing/shipping speakers, I haven't been able to surf the forums like I usually do.
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Re: Scumback for an open back combo, and j?

Post by Doug H » Mon Dec 06, 2010 11:47 pm

not a problem,. I was half hoping you would spot this and post, I was thinking about sending an email. I like the bigger bass aspect of the heavy magnet, but overall it's too tight and scooped for the tones I'm after.....I think. I'm worried if I go "J" I
ll just end up taking baby steps to where I really belong, good 'ol m55.

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Re: Scumback for an open back combo, and j?

Post by Roe » Tue Dec 07, 2010 5:11 am

I like the h/m combo. personally, I'd try a j75 in a open cab
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Re: Scumback for an open back combo, and j?

Post by Doug H » Fri Dec 31, 2010 12:17 pm

Well, m55 25w it is :) ordered today.

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Re: Scumback for an open back combo, and j?

Post by Doug H » Mon Jan 03, 2011 10:43 pm

Now i'm having second thoughts lol, I've just read the 25w have more top end than the 65w, and the medium magnet can mush out in open back cabs. Guess I'll find out, maybe it'll end up in the 4x12 after all.

I'm sarting to think that just going 25w over 65w will give me the looseness I need.

I mostly play a strat and like a loose bottom end, so maybe it's not an issue for me. I am going to have a superstrat though eventually and like playing around with Halen licks etc...the stan spec I had in there was kind of mid rangy, which is why I threw the 65w scummy back in.

My problem is the top end is too edgy and overall the speaker is too stiff for the 20w I'm putting through it. I have to say, I might not be a heavy magnet guy, and I don't really drool over later jimi tones, where I'm guessing he started to use the heavy magnets and had the si fuzzface.

I'm wondering though if either a medium 65w or a heavy 25w is the way to go with an open back, this is all 55hz btw so you can imagine my dilema lol. then there's the "J" again heh, maybe I was too hasty dismissing the J concept :) lol, man....

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