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Please define “slam”

I’ve seen the term “slam” used fairly regularly and was curious if it is well defined. How do you define it?

Guitar and drums have been my primary instruments but changing to bass due to hand issues. I use Mesa D800+ as primary and Mark Bass LM3 as backup into Ampeg Pro Neo 1x15 cabs. Not sure if I’m achieving slam with this gear.
 
I’ve seen the term “slam” used fairly regularly and was curious if it is well defined. How do you define it?

Guitar and drums have been my primary instruments but changing to bass due to hand issues. I use Mesa D800+ as primary and Mark Bass LM3 as backup into Ampeg Pro Neo 1x15 cabs. Not sure if I’m achieving slam with this gear.

Hello. Albeit "slam" is not a standard in my bass amp lexicon, I believe that it means the authority and immediacy of an amp's presentation of the frequency spectrum from the low midrange on down.

Authority alone is not enough; that would be, for example, "heft". It is the simultaneity of authority and immediacy that comprises "slam". For me, a bass amp's slam is showcased well by light touch/high volume playing.
 
Now I've (rarely) heard "slammin'" used, I don't think I've heard "slam" used to describe characteristics of a bass rig. Your rig sounds like it ought to be decent sounding, though, for whatever that's worth.
 
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Hello. Albeit "slam" is not a standard in my bass amp lexicon, I believe that it means the authority and immediacy of an amp's presentation of the frequency spectrum from the low midrange on down.

Authority alone is not enough; that would be, for example, "heft". It is the simultaneity of authority and immediacy that comprises "slam". For me, a bass amp's slam is showcased well by light touch/high volume playing.

This is actually pretty well-stated, if I understand the concept properly. "Slam" a good combination of heft and definition. Either/or wouldn't get it done.

So, I would say a nice old Fender amp does not "slam". Sure, it will have some warmth and heft to the tone. But the attack and definition would not be there. I've read that MarkBass amps have plenty of clarity and definition, but lack "booty" (heft). (I have zero personal experience to back that up.)

Probably the most notable amp that most have experienced "slam" from would be older GK 800/400 RB amps. They seem to be universally accepted as having both beef/heft and clarity/definition.... aka "slam".
 
I usually think of it as a quick attack, more of a modern tone in genres like urban gospel (ten years from now when I'm running for president I'm going to get in trouble for saying urban gospel, but I think that's the accepted and desired term now, right?) The opposite end of the spectrum would be amps that have more of a vintage "bloom". I associate "slam" more with solid state amps into 10" speakers and "bloom" tube amps into 15" speakers.
 
This is actually pretty well-stated, if I understand the concept properly. "Slam" a good combination of heft and definition. Either/or wouldn't get it done.

So, I would say a nice old Fender amp does not "slam". Sure, it will have some warmth and heft to the tone. But the attack and definition would not be there. I've read that MarkBass amps have plenty of clarity and definition, but lack "booty" (heft). (I have zero personal experience to back that up.)

Probably the most notable amp that most have experienced "slam" from would be older GK 800/400 RB amps. They seem to be universally accepted as having both beef/heft and clarity/definition.... aka "slam".

One of the uses of slam I’ve seen was in a thread on G-K XXX-RB units.
 
My definition:
20180923_115229.jpg


Yeah, wiseguy answer, but of all my amps, this one has the immediacy and impact above all 7 of my other bass heads and they include some pretty good pieces of gear including Mesa, GK, and a '71 SVT.

Now if you want to know what I bring to the gig . . . That's a different story.
 
I’ve seen the term “slam” used fairly regularly and was curious if it is well defined. How do you define it?

Guitar and drums have been my primary instruments but changing to bass due to hand issues. I use Mesa D800+ as primary and Mark Bass LM3 as backup into Ampeg Pro Neo 1x15 cabs. Not sure if I’m achieving slam with this gear.

Defined? Yes. Well? No. It’s like “in mint condition”. It means different things to different people.

To me “slam” describes a physical property, more so than a tonal quality. Like a slug in the gut as opposed to being pressed and or vibrated.