Bad Tone issue with mesa boogie bass 400+

Jul 12, 2018
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Hello, i've been running my Mesa boogie bass 400+ with an ampeg svt-410 hlf classic and using a fender dimension bass.
But i'm really frustrated caus i can't seem to find a desirable tone for punk/metal.
My low end is really unprofound and has little definition. My high end is not bright but more like a very uncomfortable punch. I thought the mesa boogie bass 400+ had a nice bright tone with a lot of punch? Or is my cabinet the issue?
Note that i i used fresh strings and a pick and it still didn't sound how i wanted it to be. Also my cab has a level control that allows me to cut the highs. I have the cut put on 0 though.
Any ideas?
 
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Well, unfortunately, one man's punch is another man's clank or "gank". And one man's low end is another's "anemic". I tries like hell to love the Mesa 400+ (Twice), but while plenty powerful, it did not deliver the goods for me.

I tried tube swap (Driver tube to 12aU7), Y cord to inputs, pulled knobs, EQ, Everything, so I finally gave up.

So, you may just be barking up the wrong tree. The 410HLF is supposed to deliver extraordinary low end. It may be a speaker out of phase or just try it with another head like a GK to see if it's tha cab.
Others will chime in- but after all the hoopla, the amp either speaks to you or it won't.
 
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Never met a 410HLF I liked. I have a friend that will refuse them on a backline. I always thought that the 400+ was really good at mids. We had a bass player with this punk band I was in that used them with 2 Mesa 15's that sounded pretty outstanding but I would not have called his tone brash. My experience was that it was a great sounding head that did solid mid punch very well, but that was likely how he set it up. Played with band the other night that used a 410HLF and a 115 ampeg using a SVT3. Thing sounded mostly like mud or maybe indistinct lows that were maybe felt a little bit but not really heard.

I assume you aren't using any pedals or anything?
 
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It's the cab. The 410 HLF has lots of indistinct lows and brash highs, but not much in between. I use a 400+ through a sealed 610 and it sounds really good. The EQ I use is mids 8-9, high and low about 4-5, and both EQ shifts pulled. I also use the graphic set at unity with a slight bump in the middle bands.

I don’t really care for the 400+ but agree heartily here that the cab is more likely the issue. Not at all a fan of the sounds I’ve gotten from the 410HLF any time I’ve used one.

Played with band the other night that used a 410HLF and a 115 ampeg using a SVT3. Thing sounded mostly like mud or maybe indistinct lows that were maybe felt a little bit but not really heard.

I think that would have had to have been a 410HE the sealed 8 ohm cab if paired with the 8 ohm 115 and a 3 pro. The HLF is 4 ohms and the 3 pro is 4 ohm minimum.
 
I don’t really care for the 400+ but agree heartily here that the cab is more likely the issue. Not at all a fan of the sounds I’ve gotten from the 410HLF any time I’ve used one.



I think that would have had to have been a 410HE the sealed 8 ohm cab if paired with the 8 ohm 115 and a 3 pro. The HLF is 4 ohms and the 3 pro is 4 ohm minimum.
Could have been. More likely I have the amp wrong as I didn't really inspect it.
 
I don’t really care for the 400+ but agree heartily here that the cab is more likely the issue. Not at all a fan of the sounds I’ve gotten from the 410HLF any time I’ve used one.

Yep I had one a long time ago that I used with an Ampeg SVT CL and was confounded at how difficult it was to get a great sound from that set up. The amp sounded proper with other cabs though.
 
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I'm a dyed in wool Ampeg guy and can't stand the 410HLF. It's an attempt to provide a high powered solution in a single 410 cab and heavy lows. That's pretty much sums it up. You going to have to go into graphic EQ territory to squeeze the best out of that cab. Store's wanna get rid of them and hype them on being able to safely handle high powered heads.

If you decide to stick with Ampeg cabs, the 410HE is a much better cab IMO and much more articulate. If you have the muscle and don't mind the weight the PR410HLF is a much better ported 410 that sings with highs. They're just ugly and weigh a VW Beetle or two and you'd be better off hauling an 810 in the end. The Pro-Neo Series is lighter and sound good as well but, they don't show up in brick and mortars often and for their price... there are better options.
 
Start it dialed in with like Bass-2 / Mids- 8 / Treble-2. That is the starting point for it.

I been using a 400 non-plus with KT88s and 6550's for 10+ years. Love it. To me nothing sounds better with the amp a bit cranked on the master, to where the power tubes start to OD if you strum hard.

Should be a great amp for punk especially if you are using a pick.

The HFL is kind of a farty boomy cardboardy cab. I'd use one for Reggae and nothin else.
 
I agree with the above about the HLF cab. I'll add that I had a love/hate relationship with the 400+ until I paired it with a Mesa PH212. All of a sudden, it sounded good. I tried to like it with a Mesa PH610, a Berg NV215, a Schroeder 21012, and even a Mesa Scout Radiator. Those weren't to my taste.
 
Hello, i've been running my Mesa boogie bass 400+ with an ampeg svt-410 hlf classic and using a fender dimension bass.
But i'm really frustrated caus i can't seem to find a desirable tone for punk/metal.
My low end is really unprofound and has little definition. My high end is not bright but more like a very uncomfortable punch. I thought the mesa boogie bass 400+ had a nice bright tone with a lot of punch? Or is my cabinet the issue?
Note that i i used fresh strings and a pick and it still didn't sound how i wanted it to be. Also my cab has a level control that allows me to cut the highs. I have the cut put on 0 though.
Any ideas?
I would just try the bass, the head, and the cab with different gear even if it meant bringing them one at a time to a local music store. I’ve never owned a 400 but I did get to use one in a studio through a pair of Eden cabs and had no issue getting a sound I liked but they are getting older and things wear out and break especially if they are being Gigged with or rattling around in a band trailer on tour. Might be worth having someone who knows what they are doing look at the amp. Have never even seen a dimension bass in person much less played one so no idea there. I have mixed thoughts on the hlf. Onstage with a decent pa I don’t care for it at all. The low frequency bleed from the subs combined with that cab is a recipe for mud. And it’s not a great cab imo if you’re running an XLR to foh because I’d cut lows to try to tame the cab onstage and my sound in foh would suffer for it. So I’ve mainly used sealed cabs like the 810e and 410he for gigging over the years. But I did like the hlf a little more when playing without bass in the PA and have even considered buying another one just for small patio type gigs where there is no bass in the PA.
 
My only experience with an Ampeg 410 HLF cab was 15 to 20 years ago when I was watching a rock band perform outdoors, and the bass player was playing through an Ampeg 410 HLF. The bass was just a bunch of incoherent, low end, rumbling noise that sounded like crap to my ears. I thought "wow, I'll never buy one of *those* cabs!" (and I like Ampeg, which is why I was so surprised to hear what I was hearing).

So, I think the OP's issue is with the cab, as many posters in this thread have stated. :thumbsup:

This is, of course, assuming that the OP's amp and all of the tubes are operating properly.
 
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Hello, i've been running my Mesa boogie bass 400+ with an
***ampeg svt-410 hlf classic***
and using a fender dimension bass.
But i'm really frustrated caus i can't seem to find a desirable tone for punk/metal.
My low end is really unprofound and has little definition. My high end is not bright but more like a very uncomfortable punch. I thought the mesa boogie bass 400+ had a nice bright tone with a lot of punch? Or is my cabinet the issue?
Note that i i used fresh strings and a pick and it still didn't sound how i wanted it to be. Also my cab has a level control that allows me to cut the highs. I have the cut put on 0 though.
Any ideas?

I can think of a possibility (that has no midrange). I can speak from experience because I previously owned one, but I took care of that circumstance.....
 
Last edited:
Hello, i've been running my Mesa boogie bass 400+ with an ampeg svt-410 hlf classic and using a fender dimension bass.
But i'm really frustrated caus i can't seem to find a desirable tone for punk/metal.
My low end is really unprofound and has little definition. My high end is not bright but more like a very uncomfortable punch. I thought the mesa boogie bass 400+ had a nice bright tone with a lot of punch? Or is my cabinet the issue?
Note that i i used fresh strings and a pick and it still didn't sound how i wanted it to be. Also my cab has a level control that allows me to cut the highs. I have the cut put on 0 though.
Any ideas?

I hated that cab
 
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