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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 ok I get the concept but execution could be tricky since they weight 157 lb each,

Ok.

The JBL 4367's are great speakers! See my system page, left speaker, I raised 9'' off the floor (the speakers weight 275 lbs each and are 36'' tall, 39'' wide, 20'' deep). I also decoupled the speakers, from the floor with concrete and lead It took two people to put the speaker on the blocks. Raising and decoupling the speakers from the floor improved the sound quality in my system and the cost was low. For more details see here. JBL speaker stands see here.😎

Mike

ssg308's avatar
ssg308 OP
91 posts
 

@ditusa  so what does rising speakers off the ground, and if I bolt the frame to the wall would it do the same effect ?

ditusa's avatar
ditusa
1,883 posts
 

@ssg308 Wrote:

@ditusa so what does rising speakers off the ground,

Rising the speakers off the floor puts the horn at ear height. Decoupling the speakers from the floor prevents sound transmission from the speakers entering into the floor and floor vibrations entering into the speakers (it’s a two way street).

and if I bolt the frame to the wall would it do the same effect ?

What is important is to break the sound transmission from the speakers and the structure. See here. 😎

Mike

ssg308's avatar
ssg308 OP
91 posts
 

@ditusa My speakers are 38" tall she horns are already on exactly same level as ears, so I can skip rising them. Now creating dampening platform that would separate speaker from the structure can be tricky but I can see logic behind it, it seam to be cuter to subwoofer idea where people deliberately dumping huge boom in to the floor in order to cheat the ears and other senses.

I need to do some thinking about the heavy pads. Would it be ok to set it up on 10" steel injection mold ?

mijostyn's avatar
mijostyn
8,570 posts
 

@ssg308 Your speaker's frequency response is rated at one meter. What they do in a 30 foot room is TOTALLY different, not to mention that you need at least an additional 10 dB of gain to get realistic bass levels. You can only do this with 2 15" subwoofers or more in your room. I use 8 12" subwoofers in a 16 X 30 foot room. Each one gets 1300 watts.

As for as your sources are concerned you should have a better DAC, a Bricasti Design M3 would be perfect. Your turntable is not the greatest, but your tonearm and cartridge do not belong in the same room as your amp, preamp and speakers. You do not have to spend big money either. Get a Thorens TD 1600 and put a Soundsmith Voice in it. It will blow your mind. 

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