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room setup suggesion needed

Hi everyone,

 

The question is for gurus of room setup.

Question is if anyone can suggest improvement of the situation where there is not much room for adjustment.

So there you go: 

1) Room conditions

room size 30ft x 30ft

audio wall with the location near centerline

rehearsing distance from the wall 9ft

sound focal point with speakers directed 8ft sound cross path directly at rehearsal point  ( not much room to adjust focal point could be pushed back max 3ft, not too happy about that idea)

speakers spread at 10ft center to center ( could be spread possibly to max 12ft with given wires)

speaker face 2ft off the wall less than 1ft space behind ( could be moved forward and tilted)

wall treatments floor dampening as well, floor standing speakers on spikes.

2) SYSTEM SPEC

speakers JBL 4367

speaker wires FURTECH Douglas 7ft be-wire Rhodium spades 

Amp Pass Labs X250.8

Pre amp Pass Labs XP-12

Phono Pass Labs XP-15

Turntable VPI Classic 1 JMW 10.5  Hana ML

Server Mac mini  

DAC Schiid Modius balanced out

inter connector cable Canari XLR 

system fully balanced 

power cables FURTEH 

 

 

Honestly system sounds really good, but better is enemy of good so is there anything I can do better or is there anything that I'm doing wrong ?

 

Thanks for opinions!

 

 

128x128ssg308
ditusa's avatar
ditusa
1,883 posts
 

@ssg308 Wrote:

@ditusa My speakers are 38" tall she horns are already on exactly same level as ears, so I can skip rising them. 

Another reason for raising the speakers off the floor is woofer floor bounce which can also effect the upper and lower midrange. See page four in the article here. For what its worth, JBL made a speaker with a concrete base; notice the woofer height about 12'' or more off the floor in the pic see here.😎

Mike

@erik_squires Wrote:

The truth is it's often a matter of money and space that determines what we use.  EQ's are relatively inexpensive, and easy to hide.

By golly gee, I agree! 😁

immatthewj
1,897 posts
 

Interesting and informative thread.

ssg308's avatar
ssg308 OP
91 posts
 

@ditusa I measured my speakers and I need to lift them about 5" to get it to 12" formula

larsman's avatar
larsman
1,930 posts
 

@erik_squires + 1

ditusa's avatar
ditusa
1,883 posts
 

@ssg308 Wrote:

@ditusa I measured my speakers and I need to lift them about 5" to get it to 12" formula

According to JBL engineer Greg Timbers, 14’’ off the floor is good. His home speaker woofer designs are around 12’’ to 14’’ off the floor. See JBL Everest one, two and the 250TI, the L250, and L300, see here. Flush mounting the speakers in the wall and about 3’ off the floor is best, maybe not always practical see here. I would say raising the speakers about 3’ off the floor takes the floor out of the equation, now its just the four walls and ceiling to deal with. For what its worth. I started with with 4’’ from the floor to the bottom of the woofer frame I’m content with 14.5’’. For your information, my speakers were designed for studio control rooms for mixing and mastering so if there a little above ear level it will not matter as the sound remains the same see here. With all the talk about bass and subwoofers, I like the way my speakers pressurize every square inch of the room, its a visceral feeling as well as eargasmic just like a live event. 😎

Mike

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