Official Rythmik Audio Subwoofer thread - Page 1446 - AVS Forum | Home Theater Discussions And Reviews
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post #43351 of 44602 Old 05-20-2020, 12:00 PM
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Originally Posted by logan456 View Post
I was using java. Now researching it a bit I guess I have to use ASIO if I am just measuring the sub?
No, you don't have to but this likely means you were getting sound from your speakers along with your sub.

If using java, make sure that you set your crossovers and LFE ranges to the highest frequency possible for your sub output. Then just disconnect one wire from your speaker (or both speakers if using L+R in REW) so that it doesn't provide sound.

This will allow you to sweep your sub all on its own. That will be a better starting point to figure out what is happening.


EDIT: turning off amp works too.

Front: Polk S55
Center: Polk S30
Rear: Polk S10
Sub: P̶L̶-̶2̶0̶0̶I̶I̶ | (̶2̶)̶ ̶F̶V̶X̶1̶2̶ | V1812
AVR: Denon AVR-X3500H

Last edited by badtlc; 05-20-2020 at 12:03 PM.
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post #43352 of 44602 Old 05-20-2020, 12:17 PM
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Originally Posted by enricoclaudio View Post
1.- Check pictures of both finishes. Both, black oak and black matte are vinyl wrap. Black oak is a bit darker than black matte. Black matte is more like dark grey. None of them show fingerprints.

2.- The port caps were changed in all our ported subwoofers around mid 2018 from 3.5" to 4". This change help reducing air velocity which help reducing any possible port noise at port tune.

3.- I would let others to share their settings. Personally, I have all my subwoofers in High damping and lowest frequency. I do 90% music and 10% movies.

Thanks for the feedback. My usage will be roughly 95% movies + games/5% music. Is my general understanding of the difference between the damping settings correct?
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post #43353 of 44602 Old 05-20-2020, 12:23 PM
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Thanks for the feedback. My usage will be roughly 95% movies + games/5% music. Is my general understanding of the difference between the damping settings correct?
Yes, you are correct. Also, High Damping has a more accurate and clean sound while Low Damping produce a thicker and more full body sound. That is the main reason Low damping is always recomended for movies and High damping for music.
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Enrico Castagnetti @ Rythmik Audio - Dialing In Rythmik Audio Subwoofers - REW for macOS
Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik G22 (x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |
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post #43354 of 44602 Old 05-20-2020, 12:24 PM
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Originally Posted by JD23 View Post
Thanks for the feedback. My usage will be roughly 95% movies + games/5% music. Is my general understanding of the difference between the damping settings correct?
I need to warn you that your usage might shift a little. I listen to music a LOT more than I used to. The increase in musicality of my system just makes me enjoy music more.
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Electronics: Denon X4400, Vizio M65
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post #43355 of 44602 Old 05-20-2020, 12:25 PM
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Originally Posted by chucks0 View Post
It's funny that I have always picked on SVS for their phone app. I mean who needs to adjust gain and crossover settings on a regular basis. Now that I have a Rythmik sub with so many options, I can definitely see value in being able to change the settings without accessing the amp. I'm mostly kidding of course as I definitely wouldn't want to pay an extra $200 for that convenience.
I sit on the floor next to the sub with the laptop as I position, change settings, and run REW sweeps.
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post #43356 of 44602 Old 05-20-2020, 12:34 PM
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Originally Posted by chucks0 View Post
It's funny that I have always picked on SVS for their phone app. I mean who needs to adjust gain and crossover settings on a regular basis. Now that I have a Rythmik sub with so many options, I can definitely see value in being able to change the settings without accessing the amp. I'm mostly kidding of course as I definitely wouldn't want to pay an extra $200 for that convenience.
Kind of why I decided to go with G22s in my place
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Enrico Castagnetti @ Rythmik Audio - Dialing In Rythmik Audio Subwoofers - REW for macOS
Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik G22 (x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |

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post #43357 of 44602 Old 05-20-2020, 12:37 PM
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Originally Posted by badtlc View Post
No, you don't have to but this likely means you were getting sound from your speakers along with your sub.

If using java, make sure that you set your crossovers and LFE ranges to the highest frequency possible for your sub output. Then just disconnect one wire from your speaker (or both speakers if using L+R in REW) so that it doesn't provide sound.

This will allow you to sweep your sub all on its own. That will be a better starting point to figure out what is happening.


EDIT: turning off amp works too.
Thanks I will try it.

As far as the connections on the back of the sub, I have it connected to lfe and the low pass slope setting is set to avr/12. Would it be better to 80/24 or leave it. I never had a sub with this many control before so it is a little over whelming.
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post #43358 of 44602 Old 05-20-2020, 12:58 PM
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Originally Posted by logan456 View Post
Thanks I will try it.

As far as the connections on the back of the sub, I have it connected to lfe and the low pass slope setting is set to avr/12. Would it be better to 80/24 or leave it. I never had a sub with this many control before so it is a little over whelming.
That is going to come down to how your measurements look and then, how it sounds. Start with your current settings.
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post #43359 of 44602 Old 05-20-2020, 01:17 PM
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Originally Posted by enricoclaudio View Post
Kind of why I decided to go with G22s in my place
@enricoclaudio , your system is constantly morphing and keeps getting more impressive.

How do you like the Ascends in the surround position so close to your listening position?

I'm forced to use similar positioning off of my couch and am a bit underwhelmed with my set up in that regard.

5.1: Power - Denon 4308ci, Fronts - Def Tech BP9040's, Center - Def Tech CLR 2000, Surrounds - Def Tech PM1000's, Sub's - Rythmik E15HP x2, Display - Panasonic TC-55AS530U, TT - Rega Planar 2 w/ Dynavector 10x5
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post #43360 of 44602 Old 05-20-2020, 01:18 PM
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Originally Posted by logan456 View Post
Thanks I will try it.

As far as the connections on the back of the sub, I have it connected to lfe and the low pass slope setting is set to avr/12. Would it be better to 80/24 or leave it. I never had a sub with this many control before so it is a little over whelming.

The controls on the back of the sub won't do anything if you are connected to the LFE port (at least that is how the FVX12 subs are). PEQ, slope, phase control and crossover settings are typically bypassed when you use the LFE port on the sub.


It is the AVR crossover and LFE settings you need to make sure are maxed out. This will prevent the AVR from trimming the sub output over the range you are most interested in from your REW sweep.

Front: Polk S55
Center: Polk S30
Rear: Polk S10
Sub: P̶L̶-̶2̶0̶0̶I̶I̶ | (̶2̶)̶ ̶F̶V̶X̶1̶2̶ | V1812
AVR: Denon AVR-X3500H
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post #43361 of 44602 Old 05-20-2020, 01:27 PM
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Originally Posted by badtlc View Post
The controls on the back of the sub won't do anything if you are connected to the LFE port (at least that is how the FVX12 subs are). PEQ, slope, phase control and crossover settings are typically bypassed when you use the LFE port on the sub.


It is the AVR crossover and LFE settings you need to make sure are maxed out. This will prevent the AVR from trimming the sub output over the range you are most interested in from your REW sweep.
That is NOT correct. PEQ is NOT bypassed by using LFE IN. In all Compact amps, LFE IN bypass crossover, delay/phase and LPF slope functions only. In our Standard amps, LFE IN bypass crossover, delay/phase and low pass filter functions. PEQ, Damping, Freq, Bass extension, Rumble Filter and Volume functions are enabled with any input in all our subwoofer amps.
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Enrico Castagnetti @ Rythmik Audio - Dialing In Rythmik Audio Subwoofers - REW for macOS
Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik G22 (x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |
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post #43362 of 44602 Old 05-20-2020, 01:35 PM
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Originally Posted by derekmoore View Post
@enricoclaudio , your system is constantly morphing and keeps getting more impressive.

How do you like the Ascends in the surround position so close to your listening position?

I'm forced to use similar positioning off of my couch and am a bit underwhelmed with my set up in that regard.
All my speakers sound GREAT. Even the Sierra 2 that is placed 16" from my ears. I do mostly music in my system but when I do music, I use AURO-2D up mixer so all my 7 bed speakers are active. I used to suffer of ear fatigue when owned Polk Audio LSiM 705s and 703s. That was fixed as soon I got the ST w/RAAL and the S2s. I could listen to music for hours (or until my butt hurts) without any ear fatigue.
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Enrico Castagnetti @ Rythmik Audio - Dialing In Rythmik Audio Subwoofers - REW for macOS
Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik G22 (x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |
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post #43363 of 44602 Old 05-20-2020, 01:35 PM
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Originally Posted by enricoclaudio View Post
That is NOT correct. PEQ is NOT bypassed by using LFE IN. In all Compact amps, LFE IN bypass crossover, delay/phase and LPF slope functions only. In our Standard amps, LFE IN bypass crossover, delay/phase and low pass filter functions. PEQ, Damping, Freq, Bass extension, Rumble Filter and Volume functions are enabled with any input in all our subwoofer amps.
That is good to know!

In that case for the LPF slope setting, it is worded kind of funny on the quick start guides.. Is 24dB recommended when using both L-R line inputs and 12dB recommended for LFE and a single L or R input?

Front: Polk S55
Center: Polk S30
Rear: Polk S10
Sub: P̶L̶-̶2̶0̶0̶I̶I̶ | (̶2̶)̶ ̶F̶V̶X̶1̶2̶ | V1812
AVR: Denon AVR-X3500H

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post #43364 of 44602 Old 05-20-2020, 01:41 PM
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Originally Posted by enricoclaudio View Post
All my speakers sound GREAT. Even the Sierra 2 that is placed 16" from my ears. I do mostly music in my system but when I do music, I use AURO-2D up mixer so all my 7 bed speakers are active. I used to suffer of ear fatigue when owned Polk Audio LSiM 705s and 703s. That was fixed as soon I got the ST w/RAAL and the S2s. I could listen to music for hours (or until my butt hurts) without any ear fatigue.
So you're using the original S2's without RAAL for the surrounds?

5.1: Power - Denon 4308ci, Fronts - Def Tech BP9040's, Center - Def Tech CLR 2000, Surrounds - Def Tech PM1000's, Sub's - Rythmik E15HP x2, Display - Panasonic TC-55AS530U, TT - Rega Planar 2 w/ Dynavector 10x5
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post #43365 of 44602 Old 05-20-2020, 01:47 PM
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That is good to know!


In that case for the LPF slope setting, it is worded kind of funny. Is 24dB recommended when using both L-R line inputs and 12dB recommended for LFE and a single L or R input?
Nope, you are reading it wrong. It says 24dB for 2 CH (stereo pre amp) and 12dB for HT input (receiver). It's recommending settings for the kind of content and source, not the INPUT used. The input used in this case is LINE IN (L + R). Check that under the label CROSSOVER you can see LINE IN, which means everything enclosed in that rectangle only affects LINE IN signal.
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Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik G22 (x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |
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post #43366 of 44602 Old 05-20-2020, 01:50 PM
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Originally Posted by derekmoore View Post
So you're using the original S2's without RAAL for the surrounds?
All my speakers are RAAL. The S2s are only offered with RAAL tweeter, same as the Lunas.
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Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik G22 (x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |
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post #43367 of 44602 Old 05-20-2020, 01:51 PM
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Originally Posted by enricoclaudio View Post
Nope, you are reading it wrong. It says 24dB for 2 CH (stereo pre amp) and 12dB for HT input (receiver). It's recommending settings for the kind of content and source, not the INPUT used. The input used in this case is LINE IN (L + R). Check that under the label CROSSOVER you can see LINE IN, which means everything enclosed in that rectangle only affects LINE IN signal.

Sounds like I read it right. If you have a stereo input to the sub you would use L+R line-in ports and if you were using HT receiver you would only be using L or R. I didn't think it impacted LFE but I misread your previous post and I though you said slope setting was still active when using the LFE ports.

Front: Polk S55
Center: Polk S30
Rear: Polk S10
Sub: P̶L̶-̶2̶0̶0̶I̶I̶ | (̶2̶)̶ ̶F̶V̶X̶1̶2̶ | V1812
AVR: Denon AVR-X3500H
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post #43368 of 44602 Old 05-20-2020, 01:56 PM
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Sounds like I read it right. If you have a stereo input to the sub you would use L+R line-in ports and if you were using HT receiver you would only be using L or R. I didn't think it impacted LFE but I misread your previous post and I though you said slope setting was still active when using the LFE ports.
What he's saying is that the sub's upper rolloff slope and bandwidth are very different between the two inputs; Line-in rolling off much sooner. You want to match this to your equipment.
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All my speakers are RAAL. The S2s are only offered with RAAL tweeter, same as the Lunas.
The Mrs. actually said she would like to upgrade speakers yesterday!!!!

While it will be a ways off due to Covid complications negatively affecting my industry, Ascend will definitely be on my short list when the time comes.

5.1: Power - Denon 4308ci, Fronts - Def Tech BP9040's, Center - Def Tech CLR 2000, Surrounds - Def Tech PM1000's, Sub's - Rythmik E15HP x2, Display - Panasonic TC-55AS530U, TT - Rega Planar 2 w/ Dynavector 10x5
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Kind of why I decided to go with G22s in my place
I like the AV cabinet - but how do you route all the cables from there?
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post #43371 of 44602 Old 05-20-2020, 02:32 PM
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I like the AV cabinet - but how do you route all the cables from there?
A lot of cable management, cable ties and high level OCD
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Enrico Castagnetti @ Rythmik Audio - Dialing In Rythmik Audio Subwoofers - REW for macOS
Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik G22 (x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
Desktop: Dynaudio BM5 mkIII | Rythmik L22 | Apogee Quartet | 27" iMac| Bedroom: B&W 685 S2 | Rythmik LVX12 | Marantz SR6013 | Sony X700 + ATV 4K | Sony XBR-65Z9D |
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post #43372 of 44602 Old 05-20-2020, 04:08 PM
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While there is no such thing as a perfect sub, the FV18-PC is the right sub for me.

This ^ There's so much variance in the acoustics in different rooms and personal preference of sound. Luckily you were able to audition different ones in your own setup until you found the right combination. Congrats.
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post #43373 of 44602 Old 05-20-2020, 05:59 PM
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I'm joining the Rythmik family from Colombia. Man for our puny little third world apartments, this thing is huge. I don't even want to think too much how you guys do for 15-18 inch models.

I did had some "help" when setting it up as you see in pictures LOL. Jokes aside, I did it pretty easily myself. Initial impressions are very satisfactory. I did manage to hit the limiter a few times when testing with movies, but I guess I'm just starting to get the hang out of it.

I will have many questions regarding optimization, and particularly PEQ. For the moment. I'm trying to set it up so I can balance out its gain with LF response. I have a Denon X3500H and when watching movies I usually listen at around 65-70db level. When watching a few movies, the limiter kicked in. Gain knob is at 75% on the back of sub. Audyssey set the sub volume level to -5.0 and my crossover is set at 100Hz. Dynamic EQ OFF. How am I doing so far?
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post #43374 of 44602 Old 05-20-2020, 08:08 PM
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Originally Posted by yllanos View Post
I'm joining the Rythmik family from Colombia. Man for our puny little third world apartments, this thing is huge. I don't even want to think too much how you guys do for 15-18 inch models.

I did had some "help" when setting it up as you see in pictures LOL. Jokes aside, I did it pretty easily myself. Initial impressions are very satisfactory. I did manage to hit the limiter a few times when testing with movies, but I guess I'm just starting to get the hang out of it.

I will have many questions regarding optimization, and particularly PEQ. For the moment. I'm trying to set it up so I can balance out its gain with LF response. I have a Denon X3500H and when watching movies I usually listen at around 65-70db level. When watching a few movies, the limiter kicked in. Gain knob is at 75% on the back of sub. Audyssey set the sub volume level to -5.0 and my crossover is set at 100Hz. Dynamic EQ OFF. How am I doing so far?

Love the help! So cute to see her curiously poke at it!


I used the amplifier guide for the initial setup. I plugged into the LFE input. After that I ran Audyssey on the receiver/preamp with the Android app. After customizing on the app I set my Rythmik's amp to high damping (since I'm a music first guy) and turned on the limiter. That's my quick recollection.
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post #43375 of 44602 Old 05-20-2020, 08:22 PM
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Originally Posted by Gary Bechtold View Post
Love the help! So cute to see her curiously poke at it!


I used the amplifier guide for the initial setup. I plugged into the LFE input. After that I ran Audyssey on the receiver/preamp with the Android app. After customizing on the app I set my Rythmik's amp to high damping (since I'm a music first guy) and turned on the limiter. That's my quick recollection.
Thanks. Yes I also ran Audyssey. But after some messing around, I noticed Dynamic EQ was ON (I thought I set it to OFF), anyway after that I turned it OFF and raised bass volume on AVR a little and that seems to be doing the trick so far. The detail for music a low volume is incredible. I was listening to "Nocturnal" by The Midnight and "Aurora" by Avishai Cohen and damn the bass was punchy yet low. I will still have to make some more tests with the usual local music tho
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post #43376 of 44602 Old 05-21-2020, 12:34 PM
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No, you don't have to but this likely means you were getting sound from your speakers along with your sub.

If using java, make sure that you set your crossovers and LFE ranges to the highest frequency possible for your sub output. Then just disconnect one wire from your speaker (or both speakers if using L+R in REW) so that it doesn't provide sound.

This will allow you to sweep your sub all on its own. That will be a better starting point to figure out what is happening.


EDIT: turning off amp works too.
Stange I powered off the amp that the front and right speakers are connected to and when I ran the sweep of the sub all I got was a straight red line with a slite bend at the end. Not sure what I am doing wrong.
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post #43377 of 44602 Old 05-21-2020, 12:48 PM
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Stange I powered off the amp that the front and right speakers are connected to and when I ran the sweep of the sub all I got was a straight red line with a slite bend at the end. Not sure what I am doing wrong.

Could you hear the sweep coming from the sub? When doing subwoofer only sweeps, you can limit the sweep to 10Hz to 200Hz. You don't need to do a full 10-20,000Hz sweep.


Have you read Austin Jerry's REW setup guide or watched any of the REW videos on youtube?

Front: Polk S55
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post #43378 of 44602 Old 05-21-2020, 03:03 PM
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Originally Posted by badtlc View Post
Could you hear the sweep coming from the sub? When doing subwoofer only sweeps, you can limit the sweep to 10Hz to 200Hz. You don't need to do a full 10-20,000Hz sweep.


Have you read Austin Jerry's REW setup guide or watched any of the REW videos on youtube?
Okay used the latest version of rew 5.20 this is what I got just the sub no speakers
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post #43379 of 44602 Old 05-21-2020, 03:08 PM
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Okay used the latest version of rew 5.20 this is what I got just the sub no speakers
Change the settings and measure from 5Hz to 200Hz. Also change the TOP SPL and BOTTOM SPL limits so the graph shows 5dB increments and not 10dB.
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Enrico Castagnetti @ Rythmik Audio - Dialing In Rythmik Audio Subwoofers - REW for macOS
Media Room: Sierra Towers w/RAAL, Horizon w/RAAL, Sierra 2s & Lunas | Rythmik G22 (x2) + FV25HP | Denon X6500H | Panny 820 + ATV 4K | Bluesound Node 2 | Sony 77A9G OLED |
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post #43380 of 44602 Old 05-21-2020, 03:28 PM
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Originally Posted by logan456 View Post
Okay used the latest version of rew 5.20 this is what I got just the sub no speakers

attached a pic of what I believe is norm for rew sub constant screenie.
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Power: Marantz sr7008, NAD C 275Bee x 2, Video: Oppo 103, Samsung 75un6300 LG oled c9 77
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