SPL? how much can be achieved??
Thread Starter
Joined: Jan 2005
Posts: 518
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From: Flanders, NJ, United States
SPL? how much can be achieved??
this is a pretty vague question, but im interested..
with my current setup:
jl xr653 cs powered by jl 300/4
jl 12w6v2 in a sealed enclosure to jl spec (made by myself) powered by a jl 500/1
premier p680mp headunit
..what db do you think i could hit.
im really not concerned with spl, im really a sound quality guy; and very satisfied with the sq of my current setup.. but can anyone guesstimate an spl level achievable by my setup?
what can i do to get the best of both worlds here without really sacrificing any sq?
with my current setup:
jl xr653 cs powered by jl 300/4
jl 12w6v2 in a sealed enclosure to jl spec (made by myself) powered by a jl 500/1
premier p680mp headunit
..what db do you think i could hit.
im really not concerned with spl, im really a sound quality guy; and very satisfied with the sq of my current setup.. but can anyone guesstimate an spl level achievable by my setup?
what can i do to get the best of both worlds here without really sacrificing any sq?
Old Fart
Joined: May 2004
Posts: 26,173
Likes: 18
From: kelowna, bc, canada
Re: SPL? how much can be achieved?? (LSRracing95)
That would be hard to estimate, way too many variables, from sub box design and build quality to speaker install quality to how good the amp ground is, and many other factors. 
94
94
Honda-Tech Member
Joined: Jun 2004
Posts: 6,416
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From: Seattle
Re: SPL? how much can be achieved?? (LSRracing95)
132DB 
Seriously though, best bet is to take it to a shop and see if they have an spl meter
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LSRracing95 »</TD></TR><TR><TD CLASS="quote">
what can i do to get the best of both worlds here without really sacrificing any sq?</TD></TR></TABLE>
That is such an open ended question I don't even know where to begin
Seriously though, best bet is to take it to a shop and see if they have an spl meter
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LSRracing95 »</TD></TR><TR><TD CLASS="quote">
what can i do to get the best of both worlds here without really sacrificing any sq?</TD></TR></TABLE>
That is such an open ended question I don't even know where to begin
Joined: Dec 2006
Posts: 37
Likes: 0
From: Australia
Re: (dopey88)
Guys and girls some good catchy phrases in here!!! 
Our Competition rules states ( and its different all over the world ) the single test measurement point is 6" from the central position of the front windscreen of the vehicle as a general reference test point and a common point to return too.
True SPL testing is an Average of multiple (minimum of 5 points) under some predefined conditions on what is played (generally a set of tones NOT music) & positions. Let alone some pretty sophisticated equipment
There is alot of reading materal available on the net or WWW -try car stereo megacrank rules and regulations and alike phrases. hope this is helpful
they say a jet engine generates approximately 145-152decibles. i have heard of car stereos exceeding this but i don't know by how much - or how believable it is. but i think in those environments you'd end up pretty deaf
Our Competition rules states ( and its different all over the world ) the single test measurement point is 6" from the central position of the front windscreen of the vehicle as a general reference test point and a common point to return too.
True SPL testing is an Average of multiple (minimum of 5 points) under some predefined conditions on what is played (generally a set of tones NOT music) & positions. Let alone some pretty sophisticated equipment
There is alot of reading materal available on the net or WWW -try car stereo megacrank rules and regulations and alike phrases. hope this is helpful
they say a jet engine generates approximately 145-152decibles. i have heard of car stereos exceeding this but i don't know by how much - or how believable it is. but i think in those environments you'd end up pretty deaf
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