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Geithain RL 906 monitors - different brand sub? Studio Monitors
Old 18th March 2019
  #1
Here for the gear
 

Geithain RL 906 monitors - different brand sub?

my question is:

would it really matter that much if i use a different brand of sub speaker, let's say Genelec for instance.

I really like the Geithains but they just don't give me enough low end.

any suggestions?

p
Old 18th March 2019
  #2
Lives for gear
 

Quote:
Originally Posted by parkie View Post
my question is:

would it really matter that much if i use a different brand of sub speaker,
p
No
Old 20th March 2019
  #3
Gear Maniac
 
Chris Wilson's Avatar
Geithain makes a very nice line of subs. Why not go with the brand you’re already using?
Old 22nd March 2019
  #4
Gear Head
 

I use an Adam Sub 8 with the RL 906. In a small room this setup works really well.

Quote:
Originally Posted by parkie View Post
my question is:

would it really matter that much if i use a different brand of sub speaker, let's say Genelec for instance.

I really like the Geithains but they just don't give me enough low end.

any suggestions?

p
Old 22nd March 2019
  #5
Gear Guru
 
John Willett's Avatar
 

Quote:
Originally Posted by Chris Wilson View Post
Geithain makes a very nice line of subs. Why not go with the brand you’re already using?


And the ME-Geithain subs are cardioid bass units which do not radiate bass from the rear like all others and so give a cleaner bass in the room.
Old 22nd March 2019
  #6
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Kimotei's Avatar
They also are very expensive.. I want a couple to go with my 922’s eventually, but for now im rolling with 2x Rythmik 15” servo subs. For the value of the two of them I dont even get 1 similar size sub from Geithain.

If money is not an issue, I wouldnt think a second about it. Just get them.
Old 24th March 2019
  #7
Gear Head
I owned the RL 906 and RL 903K. Whichever subwoofer you choose, make sure it's a fairly high-end one. The relatively cheap subs I briefly owned and tried with the RL 906 (PreSonus Temblor T10 and Monoprice 605999) sounded downright awful (in my opinion) and pretty much ruined the sound quality aside from playing the most basic tones. The RL 903K's bass is many times better, to say the least. (The RL 906's quality is as well, down to the point it begins to roll off dramatically. We're talking the articulated sound of instruments versus a soulless thud, more or less.) I haven't used Geithain subwoofers, but would imagine they're comparable to that level of quality, plus their cardioid response makes room integration much easier. The downside is that the most affordable one is ~$3K. You can certainly make it work with other brands, if you don't want to spend so much.
Old 24th March 2019
  #8
mrc
Lives for gear
the rythmik subs are excelent, i m pretty sure they will work. The servo does a really good job. I ve got a couple of 12” paired wirh lipinski 505 and i tegration is pretty easy. The only downside is that they are omni.
I ve always wondered if somebody tryed building and end fire cardiod array out of 4 subs. And another thing i ve wanted to know is how do this cardio enclosure subs behave in the time domanin compared with sealed subs.
Old 26th March 2019
  #9
Gear Guru
 
John Willett's Avatar
 

Quote:
Originally Posted by Kimotei View Post
They also are very expensive.. I want a couple to go with my 922’s eventually...
I'm surprised really, as the sub goes down to 25Hz and the 922 go down to 30Hz; so you only gain an extra 5Hz at the bottom end.
Old 26th March 2019
  #10
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Kimotei's Avatar
Quote:
Originally Posted by John Willett View Post
I'm surprised really, as the sub goes down to 25Hz and the 922 go down to 30Hz; so you only gain an extra 5Hz at the bottom end.
Well, because its actually not about that, its about room modes. I recommend to read up on Carl Tatz if you want to know about this techniqe, as im not so good at quoting him. He has specialised his trade working with subs and room acoustics in combination. Short summary what it means for me: I have a particular room mode where this technique helped out a lot. Somthing a ton of rockwool could not solve.

Another thing: yes the 922 goes down to 30hz but it does not have a lot of power down there. Its +/-3db at 30hz, so the hpf already starts falling from 40hz. Its there, but the area between say 28hz and 34hz its not very strong. In a fully treated room its amazing how much the walls eat up. The subs really help them a lot with my room modes, even though they are super low in volume.

Its the same with any speaker I take inside here. They sound twice as loud in an untreated room! And on stands, in the listening position I get a big dip in the bass region that only subs seems to solve, because they play from a different position in the room. That said, if I didnt have this big bass dip mode in the room, I might not have bought those subs.

One more thing, one should not insert subs without tuning them properly to the room with REW, othervice they might as well (most likelly) increase problems.

This was my mistake in the late 90tis, early 2000s. I tried a sub but didnt try to optimize its position, and its eq settings with REW. And it took almost 15 years before I tried it again. Carl Tatz inspired me to give it a go again, and now it finally worked as I hoped it would! REW, positioning, and a ton of bass traps.
Old 26th March 2019
  #11
Lives for gear
 
Kimotei's Avatar
To the OP: Regarding Rythmik subs, I think the smallest they have are 12”. And the 906 have a 6” woofer or something like that? Unless you have a huge room, I thing 2x 8” subs would be more then enough for the 906s.

My subs are 15” and I wish I got the 12” instead really. They are just there to fill a little bass hole. Before I got them I tried 2x 8” budgjet ones, and it was actually enough, because to be flat together with the monitors they need to be pretty low anyway. (Rythmik sales man talked me into getting the 15” over the 12”, but I think it was a bit overkill, as I use them super low) So im thinking for you it should be perfect and maybe more tight also with 8” subs. You want something that are a good match to your monitors. Big subs for small monitors is not the best match, in my experience. I tried my 15” subs with 6” Amphions and 7” PSI, aaand, its just way to overkill and miss match for those. (My 922 monitors have a 12” woofer, so for these its minimum 12” subs, but even 8” subs worked out ok for them, in my experience.)

But go for 2! Needs minimum 2 imo.. Google Carl Tatz if you want to read more about it.
Old 26th March 2019
  #12
Lives for gear
 

have a look at the neumann kh 805 or the newer kh750dsp.
Old 28th March 2019
  #13
Gear Addict
 

Quote:
Originally Posted by deedeeyeah View Post
have a look at the neumann kh 805 or the newer kh750dsp.
This!

Hands down the best speaker Neumann make. The 805. Great price and simply awesome. Nothing touches it. Get two if your room can take it and reduce compression at ear bleeding volumes. If you need that kind of thing .
Old 28th March 2019
  #14
Here for the gear
 

thanks all, i may try out the Neumann KH 805.

p
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