Guitar amp tuning... |
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godathunder
Old Croc Joined: 19 July 2004 Location: wicklow Status: Offline Points: 1834 |
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if you do put a hf driver into the cab make it switchable, for bass it will be semi useful, for distorted guitars it will sound absolutely awful. The "classic" overdriven/distorted guitar tone relies on the natural rolloff at around 4-5k to remove the harsh harmonics that the distortion produces. With something reproducing these frequencies itll make the guitar sound unpleasantly harsh and thin - fizzy would be a good word for it. Also, Ive always found it good to give the speaker a good thrashing in guitar cabs, seems to add power compression which, again thickens the tone. Guitars just dont sound right if theyre too "hifi" - if youre using some sort of emulator like the line6 stuff to generate the tones or are using a speaker simulator prior to the power stage and want to cover acoustic style tones too then the hf may prove useful. Personally I subscribe to the thrash a small amp to within an inch of its life ethos for guitars. Basses are entirely another matter and I think, basically the more power handling and excursion the better. Again though, dont worry about reproducing 30hz (read an interview with metallicas foh, mick hughes recently and he hipasses the bass at 70hz - although, to be fair their bass is usually virtually inaudible since cliff burton died) - the ears are very easily fooled into producing their own fundamentals from harmonics and virtually no bassamp out there is going to be tuned this low. Personally, I use the mids (2x12) and kickbass (1x15 on ported short horn) from 1 side of my system these days although Im probably going to finish refurbishing my 8x10 cab in the next month or 2 so Ill make a comparison and decide on using or selling it when its been fired up in anger properly. |
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LOUDER THAN LOUD
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aeolian
Registered User Joined: 17 November 2005 Status: Offline Points: 22 |
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If you're using high compliance drivers, you'll want some sort of active LP. The picking transient on a guitar can generate some amazing excursion. Just watch the speaker on a cranked guitar amp while it's being played. Poping and slaping a bass is even worse. That's why those speakers have such stiff suspensions, to limit excursion before it destroys itself. Mikeing takes away these vicious transients so a PA doesn't have to worry about them. But when the pick up is directly coupled to the speaker, every movement of the string creates a subsonic, near DC offset, before the note sounds. One of the reasons you can tell a live amp from a reproduced one (recorded or PA). The rolloff of the ~.2uf interstage coupling cap in the amp isn't steep enough to prevent these signicant bumps.
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Jay Lawless
Old Croc Joined: 22 August 2005 Location: United States Status: Offline Points: 1702 |
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right now i have a pretty good responce with a quad 15 settup. it'l
have to be a two piece thing, even though the drivers "15NDL76" use Neo
magnets, the full cab would be rather heavy. i know about the pop
problem and thankfuly when i play i rarely get it.
Godathunder - if what you say is about right, then i'll have to try it. i'd perfer a quad 12 instead of quad 15. i'm using a quad settup so i'm able to get all the higher notes aswell at a hifi point. i know that the lower notes don't need it as much, plus i kinda like that cabay sound you get from it . |
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Previously known as NeverWinter
Background: Automotive, Live and Home Custom Design. mid/high level based design and feild experience. Bass specialist |
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LostGrayCat
Registered User Joined: 22 August 2005 Location: United States Status: Offline Points: 1053 |
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Guitar and bass rigs are totally different animals. Rock n Roll guitars sound best thru tubes, tho I use an A-B switch to go back and forth from my mono Fender tube amp and a stereo Crate solid-state. Smaller size speakers on bass create punchiness (Ampeg 8x10 SVT cabs). I prefer moving more air with a 2X15. Your aim should be what is the intended use. You want an impressive back line or something that's functional and an easy set-up? Since you stated there's a 5-string bass being brought into play, I'd suggest a new design incorporating a 21" in a folded horn with front facing duel 10's, angled bottom with caster's, powered by 600 watts. |
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Jay Lawless
Old Croc Joined: 22 August 2005 Location: United States Status: Offline Points: 1702 |
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EW! never a 21" horn, thats flippin
HUGE!. my bass is a replacement of a guitar on distortion. what would
normaly be taken cared of with a normal guitar, my bass takes care of.
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Previously known as NeverWinter
Background: Automotive, Live and Home Custom Design. mid/high level based design and feild experience. Bass specialist |
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LostGrayCat
Registered User Joined: 22 August 2005 Location: United States Status: Offline Points: 1053 |
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Now I'm confused. Are you trying to replicate the guitar parts but an octave lower? If so, buy a baritone guitar. Basically it's a 6-string bass. 4 15's would make a good bass rig depending on the units. Getting the full range of possible tones will depend on x-overs, amps, pre-amps, effects, blah-blah-blah. And no matter what you try to achieve, FOH will do what they please |
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Jay Lawless
Old Croc Joined: 22 August 2005 Location: United States Status: Offline Points: 1702 |
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no i use a normal 4 and 5 string bass guitar and i play with a Digi tech
"death metal" distortion pedal with the mid and bass at half way and
treb all the way up and then i turn the bass EQ on the gutiar it's self
all the way down with the treb all the way up with full overdrive. on
most guitars it gives it a normal distorted guitar sound but with a
little more heavier sound.
a normal guitar amp would suit me just fine. i'm aiming for more of a bass guitar amp settup like 4x10 settup or 4x12 max to get a bit more of the heavier bass sound for a slitly lower tone then a normal guitar. Basicly i'm aiming for a center area. not a bass amp, not a normal guitar amp, but both at the sametime... does that make sence? Edited by NeverWinter - 27 January 2006 at 11:17pm |
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Previously known as NeverWinter
Background: Automotive, Live and Home Custom Design. mid/high level based design and feild experience. Bass specialist |
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LostGrayCat
Registered User Joined: 22 August 2005 Location: United States Status: Offline Points: 1053 |
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A 4x12 with a slant top reloaded with better suited drivers to cover the lower frequencies. That should give you adequate stage levels and ease of set-up/tear-down.
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Jay Lawless
Old Croc Joined: 22 August 2005 Location: United States Status: Offline Points: 1702 |
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well i was um... thinking about using... umm you know... low freq. drivers in the first place considering it's being used as a BASS! amp...
sorry to sound rude but it's kinda obviouse... |
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Previously known as NeverWinter
Background: Automotive, Live and Home Custom Design. mid/high level based design and feild experience. Bass specialist |
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LostGrayCat
Registered User Joined: 22 August 2005 Location: United States Status: Offline Points: 1053 |
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"it's a dual 12" 1,400watt cab basicly" doesn't sound like a typical bass rig I've ever seen used. But if you feel the need to spend money on parts, invest in a good PA. Or sound horrible. Whatever. |
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Jay Lawless
Old Croc Joined: 22 August 2005 Location: United States Status: Offline Points: 1702 |
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thats using a specific driver that could handel the lows with only two drivers instead of 4.
think outside the box. Think size, ability, usage, features and what YOU want out of you'r system. not what "you've seen", the only way to be creative is to do something that hasn't been thought of by most. it may be a failure, it may be a success but at least you tried it. the idea is to have a well design custom amp using a solid state hookup and a "Tube" style preamp for a more powerful sound and punch. to get the sound of a tube and the power of a solid state all in one. i hear people here all the time saying they can't hear thier own amp while playing because the sound technicians here are plain stupid. now i can take ONE sound technicians job over... but not 5 at once. there for i'll have my OWN amp of my own design so just incase i'm settup with a sh*ty sound guy, i'll be able to hear my self and everyone else will be able to hear me. sad to say, 90% of USA's sound Techs are STUPID MOFOS... |
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Previously known as NeverWinter
Background: Automotive, Live and Home Custom Design. mid/high level based design and feild experience. Bass specialist |
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LostGrayCat
Registered User Joined: 22 August 2005 Location: United States Status: Offline Points: 1053 |
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Not that I don't disagree with your opinion of US sound techs, the only way you and everyone else to hear you is a good monitor system. Outside the box you say. How about ditching the back-line and make a set of wedges for you and the guitar player and a set of side-fills to hear each other? (maybe a set of wedges for the drummer) Teach a friend to run it and tune guitars. Only problem I see is getting a line to FOH. DI's or mikes. |
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