Official Rythmik Audio Subwoofer thread - Page 1448 - AVS Forum | Home Theater Discussions And Reviews
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post #43411 of 44634 Old 05-22-2020, 06:46 PM
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Originally Posted by darthray View Post
Hi,

Before settling on my choices for damping/extension, and to use or not the PEQ options on my FV18s. I did many listening sessions, to make my final choices. While keeping in mind, that it had to final one and not keep changing them. Since many movies, are not recorded the same. And wanted one happy overall best performer, for my room and preference in sound.

Took me a few months to achieve this, and still sound very good all contents. And it has been a few months, with those settings and never felt to go change them since


Darth
I haven't touched the settings since I first hooked the FV18 up. I started with 12 hz, low damping, rumble filter on. Sounds so amazing that I haven't felt the need to try the other settings. Once I receive the second FV18, I will so how the various settings measure in my room.
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Electronics: Denon X4400, Vizio M65
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Speakers: 3 x Chane A2.4 LCR, DIYSG Volt-6 Surrounds
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post #43412 of 44634 Old 05-22-2020, 07:40 PM
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Originally Posted by consman View Post
Super excited. Just put in an order for 2 FV18s. Unfortunately they were already sold out on this shipment, so have to wait until July to start blowing my house down

Curse you Red Baron!! I had 2 paper cone FV18's in may cart yesterday, when the site was listing the backlog as May.....



Ok "Team TOO Much", what are your thoughts on a single FV25 versus 2 FV18 PC. The price on the FV18 is going up the end of the month and there is also a discount to getting 2 in one order. I know all about the benefits of 2 subs, my question is output. If I coupled them, I assume I get +6db for the pair which should put them a hair over the FV25 in overall output? Or is the extra cost lost, especially if one was to put them on opposite sides of the room at a later date?


My wife has banished me from playing HT in the living room so Im relocating to the bonus room in the garage which means moving from suspended floor to a concrete floor. 5,300 cubes. I need to go verify. Im thinking of turning the gain on my PA-150 to max and snapping the knob off as I retreat to the garage. She hates bass.
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AVR: Yamaha TSR-7850, Fronts: DCM TP260, Center: DCM TP160C, Sub: Premier Acoustic PA-150 (2-FV18/PC on the way!!)

Last edited by Deaf-Forever; 05-22-2020 at 07:41 PM. Reason: Grammar, always grammer...
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post #43413 of 44634 Old 05-22-2020, 07:51 PM
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Originally Posted by Deaf-Forever View Post
Curse you Red Baron!! I had 2 paper cone FV18's in may cart yesterday, when the site was listing the backlog as May.....



Ok "Team TOO Much", what are your thoughts on a single FV25 versus 2 FV18 PC. The price on the FV18 is going up the end of the month and there is also a discount to getting 2 in one order. I know all about the benefits of 2 subs, my question is output. If I coupled them, I assume I get +6db for the pair which should put them a hair over the FV25 in overall output? Or is the extra cost lost, especially if one was to put them on opposite sides of the room at a later date?


My wife has banished me from playing HT in the living room so Im relocating to the bonus room in the garage which means moving from suspended floor to a concrete floor. 5,300 cubes. I need to go verify. Im thinking of turning the gain on my PA-150 to max and snapping the knob off as I retreat to the garage. She hates bass.

I would take 2 FV18-PC over a single FV25. While output might be similar, the dual sub option will give you a much flatter frequency response.

Also, it is worth noting that Rythmik will give you the dual sub discount as long as the second sub is ordered within 45 days of the first sub. That is what I did with mine so that I could evaluate the first one before committing to the second.
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Electronics: Denon X4400, Vizio M65
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Speakers: 3 x Chane A2.4 LCR, DIYSG Volt-6 Surrounds
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post #43414 of 44634 Old 05-22-2020, 08:23 PM
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Quote:
Originally Posted by imureh View Post
Think he has mentioned 14hz
Quote:
Originally Posted by chucks0 View Post
I would take 2 FV18-PC over a single FV25. While output might be similar, the dual sub option will give you a much flatter frequency response.

Also, it is worth noting that Rythmik will give you the dual sub discount as long as the second sub is ordered within 45 days of the first sub. That is what I did with mine so that I could evaluate the first one before committing to the second.
OK, one of you two needs to change his avatar. It's really playing tricks with my brain... Sometimes I don't know if I'm responding to Ray or Charles....

Here some more FV18 photos for one of you to choose from
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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 #43415 of 44634 Old 05-22-2020, 08:25 PM
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Originally Posted by enricoclaudio View Post
OK, one of you two needs to change his avatar. It's really playing tricks with my brain... Sometimes I don't know if I'm responding to Ray or Charles....
Maybe it is Ray Charles

Electronics: Denon X4400, Vizio M65
Sub: Rythmik FV18-PC x 2
Speakers: 3 x Chane A2.4 LCR, DIYSG Volt-6 Surrounds
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post #43416 of 44634 Old 05-22-2020, 08:44 PM
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Originally Posted by chucks0 View Post
I haven't touched the settings since I first hooked the FV18 up. I started with 12 hz, low damping, rumble filter on. Sounds so amazing that I haven't felt the need to try the other settings. Once I receive the second FV18, I will so how the various settings measure in my room.
All it takes is reaching over the sub and flip the damping switch to hi, no need to recal or do anything else. Get ready to be even more amazed if you think low damping is sounding clean. You probably will listen to even more music with hi damping. Give it a try now, and report back with us.
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post #43417 of 44634 Old 05-22-2020, 08:56 PM
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Originally Posted by enricoclaudio View Post

Here some more FV18 photos for one of you to choose from
But they have the paper cone fv18s
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post #43418 of 44634 Old 05-22-2020, 10:20 PM
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Quote:
Originally Posted by enricoclaudio View Post
OK, one of you two needs to change his avatar. It's really playing tricks with my brain... Sometimes I don't know if I'm responding to Ray or Charles....

Here some more FV18 photos for one of you to choose from
Quote:
Originally Posted by chucks0 View Post
Maybe it is Ray Charles

Home Theater 5.1 Setup: Marantz AV8805, Sunfire TGA-7401, Monitor Audio Gold GX300 Front/Rear, Monitor Audio Gold GXC 350 Center, Rythmik Audio G25HP, Oppo UDP-203, Samsung PN64F8500
PC Audio 5.1 Setup: Denon AVR-X3300W, Monitor Audio Gold GX100 Front/Rear, Monitor Audio Gold GXC 150 Center, Rythmik Audio F12SE
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post #43419 of 44634 Old 05-23-2020, 04:42 AM
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Any recommendations for good quality XLR to RCA for run of 35-40 feet.
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post #43420 of 44634 Old 05-23-2020, 06:20 AM
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Originally Posted by enricoclaudio View Post
OK, one of you two needs to change his avatar. It's really playing tricks with my brain... Sometimes I don't know if I'm responding to Ray or Charles.... \
Ok, I fixed it. I keep mine on its side anyway.

Electronics: Denon X4400, Vizio M65
Sub: Rythmik FV18-PC x 2
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post #43421 of 44634 Old 05-23-2020, 07:24 AM
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You need to take some in-room pics and use them. Like me!

Man it's really killing me not ordering a second FV18. I know I don't need it, the output I have right now is more than I can use. But I really do want a companion for this little guy. I have a baby coming in like 10 days so while I know I should focus on that, I feel like the window is closing for a while on a second one.
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Klipsch RP-8000F L/R | Klipsch RP-504C C | Klipsch RP-500SA atmos | elemental Designs A6-6T6 MTM surrounds | Rythmik FV18 Rev2 Paper Cone Black Matte + Elemental Designs A5-350 Restored! | Denon AVR-S920W | Vizio P75-C1
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post #43422 of 44634 Old 05-23-2020, 07:28 AM
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Originally Posted by Philips752 View Post
Any recommendations for good quality XLR to RCA for run of 35-40 feet.
BJC LC1 for the entire run, with the shortest RCA to XLR adapter from Monoprice. I used those with my pro audio amp and they worked really well......my 97dB sensitive pro audio subs were dead silent.

https://www.monoprice.com/product?p_id=4775

Whatever you do, don't get the cheap "premium" Monoprice cables. And I wouldn't use Monoprice for the whole run but rather the BJC as they are much better quality and will help keep noise/hum out of your subs.
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post #43423 of 44634 Old 05-23-2020, 08:03 AM
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Originally Posted by Philips752 View Post
Any recommendations for good quality XLR to RCA for run of 35-40 feet.
I don’t have experience with these, but they are on the speaker power amps website and they recommend.

https://m.markertek.com/product/sc10...k-100-foot#ath


https://www.speakerpower.net/noise-r...n-systems.html
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post #43424 of 44634 Old 05-23-2020, 08:05 AM
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Originally Posted by corwiniii View Post
You need to take some in-room pics and use them. Like me!

Man it's really killing me not ordering a second FV18. I know I don't need it, the output I have right now is more than I can use. But I really do want a companion for this little guy. I have a baby coming in like 10 days so while I know I should focus on that, I feel like the window is closing for a while on a second one.
Congrats! Is it your first? If so, buy it now as your life is about to get turned upside down for a while. .

Then if you add to the clan it gets to be even more hectic. Lol. My 4 and 7 year olds keep us VERY busy.
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post #43425 of 44634 Old 05-23-2020, 08:27 AM
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Congrats! Is it your first? If so, buy it now as your life is about to get turned upside down for a while. .
"Just when I thought I was out...They pull me back in!"

Thanks. I have a 15 year old. She's awesome. But I got divorced and remarried to a woman 10 years younger and she wanted a child. So, here we are. Doing it all over again in my 40s. Thankfully this child will grow up in a world where a Rythmik FV18PC subwoofer exists in her life from the start.

Klipsch RP-8000F L/R | Klipsch RP-504C C | Klipsch RP-500SA atmos | elemental Designs A6-6T6 MTM surrounds | Rythmik FV18 Rev2 Paper Cone Black Matte + Elemental Designs A5-350 Restored! | Denon AVR-S920W | Vizio P75-C1
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post #43426 of 44634 Old 05-23-2020, 10:02 AM
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Originally Posted by Philips752 View Post
Any recommendations for good quality XLR to RCA for run of 35-40 feet.
Quote:
Originally Posted by jsc79 View Post
I don’t have experience with these, but they are on the speaker power amps website and they recommend.

https://m.markertek.com/product/sc10...k-100-foot#ath


https://www.speakerpower.net/noise-r...n-systems.html
This looks like a really good find if the available lengths work. Quality and price both seem really good.
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post #43427 of 44634 Old 05-23-2020, 10:04 AM
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Originally Posted by bear123 View Post
This looks like a really good find if the available lengths work. Quality and price both seem really good.
I was thinking the same. High quality cable and connectors for not much money. If I didn’t already have BJ LC1 I’d pick these up.

Edit: I might pick some up just to try for the heck of it.

Last edited by jsc79; 05-23-2020 at 10:08 AM.
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post #43428 of 44634 Old 05-23-2020, 01:26 PM
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Originally Posted by bear123 View Post
BJC LC1 for the entire run, with the shortest RCA to XLR adapter from Monoprice. I used those with my pro audio amp and they worked really well......my 97dB sensitive pro audio subs were dead silent.

https://www.monoprice.com/product?p_id=4775

Whatever you do, don't get the cheap "premium" Monoprice cables. And I wouldn't use Monoprice for the whole run but rather the BJC as they are much better quality and will help keep noise/hum out of your subs.
Just to add, I use the Bluerigger RCA cables from Amazon, in lengths up to 35 feet. I can't explain if there are any technical differences, but my Rythmiks were always quiet. 0 issues. That may speak to either the quality of the cable or the quality of Rythmik amps, or both.

System 1: Samsung Plasma | Denon X4500H | Hypex Ncore NC252MP | Buchardt S400 | Polk LSiM 702 F/X | Heights TBD | Subs TBD Rythmik
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post #43429 of 44634 Old 05-23-2020, 02:27 PM
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Looking for some advice on smoothing out some nulls at my MLP (first image). The nulls exist all along the couch but seem to move a little in frequency, with one being between 45-50hz and the other ~60hz. I can't really move the subs unfortunately, but if it might help I could flip them to lay on their opposite side (they're laying horizontally atm) I could do that. They're also currently hooked into the LFE port, so I was considering switching to the LINE-IN and messing with the phase to see if it helped at all.





I also shoved one of my old SVS PC-2000s behind my couch (it fits in very well next to the sofa table) and hooked up the wireless signal that goes to my Dayton amp that feeds the buttkicker on the couch. When I did that the nulls were completely eliminated. Would it be worth investing in a 2x4 HD and trying to integrate them? The signal it gets right now is just a copy of one of the subwoofers that gets split off from the AVR.

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post #43430 of 44634 Old 05-23-2020, 02:27 PM
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Originally Posted by chucks0 View Post
I would take 2 FV18-PC over a single FV25. While output might be similar, the dual sub option will give you a much flatter frequency response.
To be fair, that's could give a flatter response. It all depends upon the room, placement and tuning. Have a deficit with any one of those and the response at the listening position(s) will likely not benefit.
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If you take yourself too seriously expect me to do the exact opposite.

BTW, did you really need to quote the entire post?
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post #43431 of 44634 Old 05-23-2020, 02:33 PM
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Originally Posted by pylor View Post
Looking for some advice on smoothing out some nulls at my MLP (first image). The nulls exist all along the couch but seem to move a little in frequency, with one being between 45-50hz and the other ~60hz. I can't really move the subs unfortunately, but if it might help I could flip them to lay on their opposite side (they're laying horizontally atm) I could do that. They're also currently hooked into the LFE port, so I was considering switching to the LINE-IN and messing with the phase to see if it helped at all.



I also shoved one of my old SVS PC-2000s behind my couch (it fits in very well next to the sofa table) and hooked up the wireless signal that goes to my Dayton amp that feeds the buttkicker on the couch. When I did that the nulls were completely eliminated. Would it be worth investing in a 2x4 HD and trying to integrate them? The signal it gets right now is just a copy of one of the subwoofers that gets split off from the AVR.

What you've discovered is that a sub at the rear of the room will fill in those nulls and complement your front sub's efforts - which is exactly why I set subs up that way. I think it's worth going down that path, but always listen to ensure it sounds good. I got a great measurement with a sub right behind my seat, but I didn't like the way it sounded.
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post #43432 of 44634 Old 05-23-2020, 02:46 PM
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This looks like a really good find if the available lengths work. Quality and price both seem really good.
I made my own RCA to XLR adapters with Amphenol RCAs, Mogami 2964 Coaxial Cable and Neutrik XLRs.

https://www.bhphotovideo.com/c/produ...x_colored.html

https://www.bhphotovideo.com/c/produ...Connector.html

https://www.sweetwater.com/store/det...ld-xlrm-rca-06

You get 8 adapters out of 1 x 6' Mogami Gold XLRM to RCAM cable.

Total for 8 adapters is $98 ($12.25 each)
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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 #43433 of 44634 Old 05-23-2020, 02:48 PM
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Originally Posted by enricoclaudio View Post
I made my own RCA to XLR adapters with Amphenol RCAs, Mogami 2964 Coaxial Cable and Neutrik XLRs.
Those look great! Mogami are my go to cables in my home studio...
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post #43434 of 44634 Old 05-23-2020, 03:12 PM
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Originally Posted by Soulburner View Post
What you've discovered is that a sub at the rear of the room will fill in those nulls and complement your front sub's efforts - which is exactly why I set subs up that way. I think it's worth going down that path, but always listen to ensure it sounds good. I got a great measurement with a sub right behind my seat, but I didn't like the way it sounded.
Well that's all I needed as an excuse to get a 2x4HD to play with, and to keep my old subs around. I'll have to look for some guides on how to do that properly. What did you not like about the way subs behind the MLP sounded? My current one is off to the right of the couch (facing forwards on the couch) about 2 inches behind it. If the directionality is an issue I still have my other sub I could put to flank either side of the couch. Then again this may all be overkill of overkill...
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post #43435 of 44634 Old 05-23-2020, 04:09 PM
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Originally Posted by pylor View Post
Well that's all I needed as an excuse to get a 2x4HD to play with, and to keep my old subs around. I'll have to look for some guides on how to do that properly. What did you not like about the way subs behind the MLP sounded? My current one is off to the right of the couch (facing forwards on the couch) about 2 inches behind it. If the directionality is an issue I still have my other sub I could put to flank either side of the couch. Then again this may all be overkill of overkill...
The sub right behind my seat told me it was there at all times. Against the back wall it was transparent and became part of the room. It will have an easier time with the boundary gain against the wall, too. Out into the room, a sub has to work harder.

Sorry if I missed it, but what AVR?
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post #43436 of 44634 Old 05-23-2020, 06:12 PM
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how does the newer FVX15 with 4" ports compare to the older FV15HP on data-bass?
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post #43437 of 44634 Old 05-23-2020, 06:15 PM
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Originally Posted by basshead81 View Post
how does the newer FVX15 with 4" ports compare to the older FV15HP on data-bass?

I thought I read somewhere recently it wasn't much of an output change as much as to lower the chuffing in ULF. I'm probably wrong about that, though. I also thought it was merely a 4" flare and not a full change to the entire lengths of the port.
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Front: Polk S55
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post #43438 of 44634 Old 05-23-2020, 06:33 PM
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Quote:
Originally Posted by basshead81 View Post
how does the newer FVX15 with 4" ports compare to the older FV15HP on data-bass?
According to what I understand, the new port caps didn't necessarily change max output, but did reduce audible chuffing by reducing port turbulence. In other words, chuffing occurs at about 1.5db higher SPL than with the old port caps.

Also, the Rythmik website lists the FV15HP as having a 3 db advantage over the FVX15 at 20hz. I know the HP version has 200 more watts, but I'm not sure if there are other differences that affect performance.
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post #43439 of 44634 Old 05-23-2020, 07:10 PM
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Quote:
Originally Posted by Philips752 View Post
Any recommendations for good quality XLR to RCA for run of 35-40 feet.
Hi,

While many gave you some good recommendation, and do use myself 4 XLR to RCA cables from my AVP to my second Amp for the Atmos duty speakers.
They are short (3ft), and would had use RCA if it was not of a hiss problem. From my Marantz AVP, when using the RCA outputs. That could be either a bad component on my AVP, or since I was using XLR connections for all my other connections on my system.

The purpose of XLR cables. Is to be able to produce a clean signal, for a long distance without degradation in the signal and minimum ground noise. Having an XLR to RCA cable, for a long run defeat that purpose. While both XLR and RCA, can be shield. The XLR is a balance cable, and the RCA is unbalance;
https://www.techwalla.com/articles/what-is-an-xlr-cable

While it can be done, having an XLR to RCA still give an unbalance connection. But sometime due a hiss problem from the source like mine, or ease of connection. It is the only solution we have. Since you have such a long run, perhaps using good quality subs RCA cable/s from BJC;
https://www.bluejeanscable.com/store...ofer/index.htm
Is your best option, and can recommend the proper cable/s for you. Since they also have excellent quality and good Customer Service.


Darth

Last edited by darthray; 05-23-2020 at 07:20 PM.
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post #43440 of 44634 Old 05-23-2020, 08:41 PM
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Quote:
Originally Posted by Soulburner View Post
The sub right behind my seat told me it was there at all times. Against the back wall it was transparent and became part of the room. It will have an easier time with the boundary gain against the wall, too. Out into the room, a sub has to work harder.

Sorry if I missed it, but what AVR?
Ya, I can see that being obnoxious. If I use it, my port(s) will be facing semi-at the wall behind the couch. I'm using a Denon X3600H. Those measurements that I provided were after Audyssey was run for the two subs.
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