Official JTR Speakers Subwoofer Thread - Page 503 - AVS Forum | Home Theater Discussions And Reviews
Forum Jump: 
 22036Likes
Reply
 
Thread Tools
post #15061 of 15115 Old 05-20-2020, 05:37 PM
AVS Forum Special Member
 
torii's Avatar
 
Join Date: Mar 2015
Posts: 8,392
Mentioned: 78 Post(s)
Tagged: 0 Thread(s)
Quoted: 4366 Post(s)
Liked: 2530
Quote:
Originally Posted by trevorlj View Post
I've been working with him on a hum issue with my new 4000ULF-ST and I haven't heard anything back since the 13th.

Have you guys experienced an incurable 60Hz hum with the 4000 series subs? My 4000ULF is a Sofa Table and I sit about 2.5 feet in front of it. It's not to the level that the hum is obvious while actively watching content but go to switch a movie and you cant miss it when you're within about 8-10 feet (the low hum like being in a high current electrical room). If the amp goes into standby it becomes very apparent how much hum was being introduced to the mix when you hear the amp click and the room goes dead silent.

- The hum is there even without the signal wire connected
- It is gain, crossover, and LFE boost independent (zero change - even with the gain at minimum)
- I've changed the power wire (always 14 AWG), rerouted the power wire (away from all others), plugged the amp direct to the wall (vs my power conditioners), and even tried a "cheater" plug as a last ditch (also zero change)

My APC H15 Power Conditioners have ID'ed faulty wiring in a different home (they can pick up a missing ground or overloaded neutral) but this house shows no issues.

Do you think this is a faulty plate amp or just a function of how much power it has combined with how close I'm sitting to it. The noise floor on this thing is pretty high but the power potential is insane too.

I have experienced hums with my subs off/on last 20+ yrs in various subs and homes and connections etc... problem always solved without reason to sub itself...knock on wood.

Power: Marantz sr7008, NAD C 275Bee x 2, Video: Oppo 103, Samsung 75un6300 LG oled c9 77
Speakers: Focal aria 948, Focal cc900, Klipsch synergy KSF 10.5, Magnepan LRS, Audioengine A2+
Subs: Rythmik FV25HP, Rythmik FV15HP, Velodyne HGS 12, Velodyne VA1512
torii is online now  
Sponsored Links
Advertisement
 
post #15062 of 15115 Old 05-20-2020, 05:51 PM
Senior Member
 
juanchibiris's Avatar
 
Join Date: Aug 2008
Location: Colombia - Florida
Posts: 347
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 101 Post(s)
Liked: 81
Quote:
Originally Posted by trevorlj View Post
I've been working with him on a hum issue with my new 4000ULF-ST and I haven't heard anything back since the 13th.

Have you guys experienced an incurable 60Hz hum with the 4000 series subs? My 4000ULF is a Sofa Table and I sit about 2.5 feet in front of it. It's not to the level that the hum is obvious while actively watching content but go to switch a movie and you cant miss it when you're within about 8-10 feet (the low hum like being in a high current electrical room). If the amp goes into standby it becomes very apparent how much hum was being introduced to the mix when you hear the amp click and the room goes dead silent.

- The hum is there even without the signal wire connected
- It is gain, crossover, and LFE boost independent (zero change - even with the gain at minimum)
- I've changed the power wire (always 14 AWG), rerouted the power wire (away from all others), plugged the amp direct to the wall (vs my power conditioners), and even tried a "cheater" plug as a last ditch (also zero change)

My APC H15 Power Conditioners have ID'ed faulty wiring in a different home (they can pick up a missing ground or overloaded neutral) but this house shows no issues.

Do you think this is a faulty plate amp or just a function of how much power it has combined with how close I'm sitting to it. The noise floor on this thing is pretty high but the power potential is insane too.
if you read the PSA forum they confirmed that the last batch of speakerpower amps are having this issue and they expect to fix it in a month
juanchibiris is offline  
post #15063 of 15115 Old 05-21-2020, 02:07 PM
AVS Forum Special Member
 
farsider3000's Avatar
 
Join Date: Jan 2012
Location: Houston, Texas
Posts: 2,089
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 1693 Post(s)
Liked: 1084
Official JTR Speakers Subwoofer Thread

Quote:
Originally Posted by trevorlj View Post
I've been working with him on a hum issue with my new 4000ULF-ST and I haven't heard anything back since the 13th.



Have you guys experienced an incurable 60Hz hum with the 4000 series subs? My 4000ULF is a Sofa Table and I sit about 2.5 feet in front of it. It's not to the level that the hum is obvious while actively watching content but go to switch a movie and you cant miss it when you're within about 8-10 feet (the low hum like being in a high current electrical room). If the amp goes into standby it becomes very apparent how much hum was being introduced to the mix when you hear the amp click and the room goes dead silent.



- The hum is there even without the signal wire connected

- It is gain, crossover, and LFE boost independent (zero change - even with the gain at minimum)

- I've changed the power wire (always 14 AWG), rerouted the power wire (away from all others), plugged the amp direct to the wall (vs my power conditioners), and even tried a "cheater" plug as a last ditch (also zero change)



My APC H15 Power Conditioners have ID'ed faulty wiring in a different home (they can pick up a missing ground or overloaded neutral) but this house shows no issues.



Do you think this is a faulty plate amp or just a function of how much power it has combined with how close I'm sitting to it. The noise floor on this thing is pretty high but the power potential is insane too.


One of my new RS2 does have more hum than any other sub I have owned. It’s not my wiring as I have done all checks worth cheater plug etc with only the sub plugged in (no XLR cable attached).

It’s not noticeable from about 6 ft away but it is noticeable from about 4-5 ft. My room has a lot of soundproofing (double wall construction, double Sheetrock, green glue, wall insulation) so I can hear subtle sounds.

My recommendation is that Jeff needs a “quiet” room to evaluate the subs as their is no way to properly QC in a open warehouse environment( maybe with a measurement instrument or you could listen with a stethoscope ).


Sent from my iPhone using Tapatalk Pro
skylarlove1999 likes this.

7.4.6 system: Processors:Marantz 8805 || Xilica XP4080 Amps: Parasound A31 and ATI AT528NC & AT526NC n-core ||Speakers: Procella P8 LCR, Procella P5/P5 in-wall
Subs: JTR Captivator subs: One S2, Two RS2, One S1
Screen: 2.40:1 Seymour XD Acoustically Transparent, 128" diagonal / 118" wide || Projector: JVC X570/RS420
farsider3000 is offline  
Sponsored Links
Advertisement
 
post #15064 of 15115 Old 05-21-2020, 02:39 PM
Senior Member
 
Join Date: Jan 2018
Location: UK
Posts: 313
Mentioned: 6 Post(s)
Tagged: 0 Thread(s)
Quoted: 232 Post(s)
Liked: 244
I made a JTR subreddit on Reddit. The subreddit can be used for sharing pictures of your setups (only if they include a JTR product) and for discussing all things JTR. https://www.reddit.com/r/JTRspeakers
serith and rhelliott2 like this.
Ferrari_1996 is offline  
post #15065 of 15115 Old 05-21-2020, 02:47 PM
AVS Forum Special Member
 
tvuong's Avatar
 
Join Date: Dec 2000
Posts: 5,895
Mentioned: 108 Post(s)
Tagged: 0 Thread(s)
Quoted: 2944 Post(s)
Liked: 2988
Regarding the hum/hiss, do people usually go to Jeff or SP for service?
tvuong is offline  
post #15066 of 15115 Old 05-21-2020, 03:04 PM
Advanced Member
 
muscles's Avatar
 
Join Date: Apr 2009
Location: Costa Mesa, CA 92627
Posts: 750
Mentioned: 92 Post(s)
Tagged: 0 Thread(s)
Quoted: 935 Post(s)
Liked: 1504
I don't really know the proper way to ask this. I have owned Rythmik and JTR subs in the past year and they have 2 very different amps on them. The Rythmik allowed me to have separate settings for the line in and the LFE in. Do the controls on the back of the JTR's only effect the line in or the LFE in? I would love to be able to hook my music only Pre to each sub and get discreet left and right bass signals without having to use the minidsp. Is the delay and crossover ignored on the LFE in? I have a feeling this won't work with the JTR...

Greg

Subwoofers: Dual JTR RS1's - SB13 Ultra (bedroom)
Speakers: 2xJTR Noesis 212RT 1 210RM - KEF LS50W
Audio:McIntosh C2600 Pre - Marantz SR-8012 -Dual McIntosh 601's - PS Audio M700 - McIntosh MT5 - GoldNotePH10 - Oppo UDP-205 - BlueSound Node 2
TV: Samsung 75" Q9FN - Sony 75" 940D
muscles is online now  
post #15067 of 15115 Old 05-21-2020, 03:09 PM
Member
 
trevorlj's Avatar
 
Join Date: Dec 2003
Location: Columbus, MS
Posts: 43
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 29 Post(s)
Liked: 20
Quote:
Originally Posted by tvuong View Post
Regarding the hum/hiss, do people usually go to Jeff or SP for service?
I would think it would be through Jeff as he (technically) purchased the amp(s) and has the long standing relationship with them.
trevorlj is offline  
post #15068 of 15115 Old 05-21-2020, 06:13 PM
AVS Forum Addicted Member
 
Archaea's Avatar
 
Join Date: Apr 2004
Location: Kansas City, MO
Posts: 11,561
Mentioned: 654 Post(s)
Tagged: 2 Thread(s)
Quoted: 4162 Post(s)
Liked: 3983
Quote:
Originally Posted by farsider3000 View Post
One of my new RS2 does have more hum than any other sub I have owned. It’s not my wiring as I have done all checks worth cheater plug etc with only the sub plugged in (no XLR cable attached).

It’s not noticeable from about 6 ft away but it is noticeable from about 4-5 ft. My room has a lot of soundproofing (double wall construction, double Sheetrock, green glue, wall insulation) so I can hear subtle sounds.

My recommendation is that Jeff needs a “quiet” room to evaluate the subs as their is no way to properly QC in a open warehouse environment( maybe with a measurement instrument or you could listen with a stethoscope ).


Sent from my iPhone using Tapatalk Pro

Does the sub have hum with no line in hooked up. Ie. Unhook everything but power. Is it humming?


Sent from my iPhone using Tapatalk
ahblaza likes this.

Archaea's 9.8.4 Home Theater Room
208, 1" tweeters | 52, 5" woofers | 8, 18" subwoofers
Archaea is online now  
post #15069 of 15115 Old 05-21-2020, 08:05 PM
AVS Forum Special Member
 
farsider3000's Avatar
 
Join Date: Jan 2012
Location: Houston, Texas
Posts: 2,089
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 1693 Post(s)
Liked: 1084
Quote:
Originally Posted by Archaea View Post
Does the sub have hum with no line in hooked up. Ie. Unhook everything but power. Is it humming?


Sent from my iPhone using Tapatalk


Yes


Sent from my iPhone using Tapatalk Pro

7.4.6 system: Processors:Marantz 8805 || Xilica XP4080 Amps: Parasound A31 and ATI AT528NC & AT526NC n-core ||Speakers: Procella P8 LCR, Procella P5/P5 in-wall
Subs: JTR Captivator subs: One S2, Two RS2, One S1
Screen: 2.40:1 Seymour XD Acoustically Transparent, 128" diagonal / 118" wide || Projector: JVC X570/RS420
farsider3000 is offline  
post #15070 of 15115 Old 05-21-2020, 08:56 PM
AVS Forum Addicted Member
 
Archaea's Avatar
 
Join Date: Apr 2004
Location: Kansas City, MO
Posts: 11,561
Mentioned: 654 Post(s)
Tagged: 2 Thread(s)
Quoted: 4162 Post(s)
Liked: 3983
Quote:
Originally Posted by farsider3000 View Post
Quote:
Originally Posted by Archaea View Post
Does the sub have hum with no line in hooked up. Ie. Unhook everything but power. Is it humming?


Sent from my iPhone using Tapatalk

Yes


Sent from my iPhone using Tapatalk Pro
How high is your gain knob on the plate amp?

Archaea's 9.8.4 Home Theater Room
208, 1" tweeters | 52, 5" woofers | 8, 18" subwoofers
Archaea is online now  
post #15071 of 15115 Old 05-21-2020, 09:52 PM
AVS Forum Special Member
 
farsider3000's Avatar
 
Join Date: Jan 2012
Location: Houston, Texas
Posts: 2,089
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 1693 Post(s)
Liked: 1084
Quote:
Originally Posted by Archaea View Post
How high is your gain knob on the plate amp?






Sent from my iPhone using Tapatalk Pro

7.4.6 system: Processors:Marantz 8805 || Xilica XP4080 Amps: Parasound A31 and ATI AT528NC & AT526NC n-core ||Speakers: Procella P8 LCR, Procella P5/P5 in-wall
Subs: JTR Captivator subs: One S2, Two RS2, One S1
Screen: 2.40:1 Seymour XD Acoustically Transparent, 128" diagonal / 118" wide || Projector: JVC X570/RS420
farsider3000 is offline  
post #15072 of 15115 Old 05-22-2020, 07:38 AM
Member
 
pitchcut29's Avatar
 
Join Date: Dec 2007
Location: Lemont, IL
Posts: 89
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 60 Post(s)
Liked: 90
Quote:
Originally Posted by farsider3000 View Post
Yes


Sent from my iPhone using Tapatalk Pro
Typically the sub is supposed to be dead silent with no level input attached. Possibility is that your mains ac receptacle may be generating a lot of noise but usually unlikely. Does the hum, with no input connected, increase/decrease in volume as you adjust the gain knob on the plate amp? I have the Captivator 4000ULF-LP and it is on a shared metal conduit circuit with the rest of my basement receptacles. I never heard hum from my sub regardless if nothing was plugged into the input or if an RCA/XLR was plugged in at any volume (processor) or gain (sub). I purchased my sub Summer of 2019.
llang269 likes this.

Main: 3 x JTR 212RT | Surrounds: 2 x JTR 110HT | Subwoofer: 1 x JTR Captivator 4000ULF-LP | 2 x Crowson Motion Actuators w/ Crown DSi 4000
Amplifier: DAC 5-Cherry | Processor: Emotiva XMC-2 | Projector: JVC DLA-NX7 | PJ Screen: SeymourAV 130" W 16:9 Center Stage XD
pitchcut29 is offline  
post #15073 of 15115 Old 05-22-2020, 10:50 AM
Senior Member
 
WLGeter's Avatar
 
Join Date: Jan 2009
Posts: 203
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 83 Post(s)
Liked: 46
Will any of the new sealed designs (RS1/RS2) be tested by databass?
WLGeter is offline  
post #15074 of 15115 Old 05-22-2020, 12:01 PM
AVS Forum Special Member
 
chucky7's Avatar
 
Join Date: Apr 2002
Location: Rancho Cucamonga, CA
Posts: 5,108
Mentioned: 334 Post(s)
Tagged: 0 Thread(s)
Quoted: 3888 Post(s)
Liked: 5479
Quote:
Originally Posted by WLGeter View Post
Will any of the new sealed designs (RS1/RS2) be tested by databass?
Jeff originally scheduled the RS2 and 2020 Cap 4000ULF to be tested by DB this year. That was before the Covid-19.
farsider3000 likes this.

Speakers: L/C/R: JTR Noesis 212HT. Surrounds: Jamo C103, KEF Q100, Polk Audio RTiA3.
Subwoofer: JTR Captivator 4000ULF.
AVR: Denon AVR-X4400H. TV: Samsung UN75NU8000FXZA.
JTR Speakers Customer Appreciation Sale
FS: Jamo C103, KEF Q100 and Polk RTiA3
chucky7 is online now  
post #15075 of 15115 Old 05-22-2020, 12:03 PM
Senior Member
 
juanchibiris's Avatar
 
Join Date: Aug 2008
Location: Colombia - Florida
Posts: 347
Mentioned: 1 Post(s)
Tagged: 0 Thread(s)
Quoted: 101 Post(s)
Liked: 81
Quote:
Originally Posted by chucky7 View Post
Jeff originally scheduled the RS2 and 2020 Cap 4000ULF to be tested by DB this year. That was before the Covid-19.
The new 4000 have more output than the one already tested or just less distortion?

Enviado desde mi SM-N975F mediante Tapatalk
juanchibiris is offline  
post #15076 of 15115 Old 05-22-2020, 01:37 PM
Writer & Reviewer
 
JimWilson's Avatar
 
Join Date: Oct 2010
Location: Somewhere in New Joisey
Posts: 8,606
Mentioned: 126 Post(s)
Tagged: 0 Thread(s)
Quoted: 2491 Post(s)
Liked: 3991
Quote:
Originally Posted by chucky7 View Post
Jeff originally scheduled the RS2 and 2020 Cap 4000ULF to be tested by DB this year. That was before the Covid-19.
Pffft, Josh tests outdoors and "social distances" himself from the subs by 2 meters. He'll be fine.
chucky7, carp, darthray and 9 others like this.

 
If you take yourself too seriously expect me to do the exact opposite.

BTW, did you really need to quote the entire post?
JimWilson is offline  
post #15077 of 15115 Old 05-22-2020, 05:45 PM
AVS Forum Special Member
 
chucky7's Avatar
 
Join Date: Apr 2002
Location: Rancho Cucamonga, CA
Posts: 5,108
Mentioned: 334 Post(s)
Tagged: 0 Thread(s)
Quoted: 3888 Post(s)
Liked: 5479
Quote:
Originally Posted by juanchibiris View Post
The new 4000 have more output than the one already tested or just less distortion?
On Data-bass, the CEA-2010 max burst numbers for the Cap 4000ULF are THD limited < 12Hz and amp limited > 16Hz.

Therefore, there should be slightly more output under 12Hz, and lower THD above 16Hz.

Speakers: L/C/R: JTR Noesis 212HT. Surrounds: Jamo C103, KEF Q100, Polk Audio RTiA3.
Subwoofer: JTR Captivator 4000ULF.
AVR: Denon AVR-X4400H. TV: Samsung UN75NU8000FXZA.
JTR Speakers Customer Appreciation Sale
FS: Jamo C103, KEF Q100 and Polk RTiA3

Last edited by chucky7; 05-22-2020 at 06:06 PM.
chucky7 is online now  
post #15078 of 15115 Old 05-22-2020, 05:48 PM
Senior Member
 
WLGeter's Avatar
 
Join Date: Jan 2009
Posts: 203
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 83 Post(s)
Liked: 46
Quote:
Originally Posted by JimWilson View Post
Pffft, Josh tests outdoors and "social distances" himself from the subs by 2 meters. He'll be fine.
Yeah, what is the hold up?
JimWilson and skylarlove1999 like this.
WLGeter is offline  
post #15079 of 15115 Old Yesterday, 02:14 AM
Newbie
 
Join Date: Feb 2019
Posts: 10
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Liked: 8
Quote:
Originally Posted by cannga View Post
Cool! Yes I too appreciate the many contributors to this thread - some have been in this subwoofer hobby forever, way before me. Don't forget @chucky7 - among earliest adopter and my vote for "Mr. JTR," other than the other real Mr. JTR (Jeff) of course.

Please tell your friend XueGe another Casablanca CB4a die-hard from the US says hello! (I've been a Theta owner since the early 1990's.)

I kinda like this Far East connection for JTR.
I will certianly pass your hello to Master Xue when we next meet.In my side of world "hammerer" is what we call to those most despreate hardcore basshead,i am sure you can get that right
albert yang is offline  
post #15080 of 15115 Old Yesterday, 06:30 AM
Newbie
 
Join Date: Feb 2019
Posts: 10
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 4 Post(s)
Liked: 8
Quote:
Originally Posted by chucky7 View Post
This one is interesting... Same recording session, one has the audio track of the cell phone, my video recording device. The other has the audio track from my digital recorder:

The Greatest Showman - Opening

Audio from cellphone:
https://youtu.be/Wr8XUEk1DZ0

Audio from digital recorder:
https://youtu.be/Dmrx8rccPkE

It seems the cell phone excels at auto-leveling so there is smaller difference between < 80Hz and > 80Hz. In the audio from the digital recorder, the overall volume is limited by how hot <80HZ is (9dB~16dB), therefore, > 80Hz sounds rather muted.
I used to record with a apogee micphone plug into android phone,i found that it was very easy to get clipping,the sound was not as loud as recorded by cell phone mic alone,i ended up sold the apogee mic
albert yang is offline  
post #15081 of 15115 Old Yesterday, 06:54 AM
Member
 
drummerboi1702's Avatar
 
Join Date: Jan 2011
Posts: 26
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 13 Post(s)
Liked: 16

So this is my setup as of right now. I was wondering if adding second 2019 cap 2400 would give me near the same output as one cap 4000ulf?


Sent from my iPhone using Tapatalk
drummerboi1702 is offline  
post #15082 of 15115 Old Yesterday, 06:58 AM
Member
 
drummerboi1702's Avatar
 
Join Date: Jan 2011
Posts: 26
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 13 Post(s)
Liked: 16
Is anyone using a anthem receiver or processor with your JTR sub? ARC is boosting all my speakers very high not sure if anyone else has encountered this.


Sent from my iPhone using Tapatalk
drummerboi1702 is offline  
post #15083 of 15115 Old Yesterday, 07:18 AM
AVS Forum Special Member
 
farsider3000's Avatar
 
Join Date: Jan 2012
Location: Houston, Texas
Posts: 2,089
Mentioned: 14 Post(s)
Tagged: 0 Thread(s)
Quoted: 1693 Post(s)
Liked: 1084
Official JTR Speakers Subwoofer Thread

Quote:
Originally Posted by drummerboi1702 View Post
Is anyone using a anthem receiver or processor with your JTR sub? ARC is boosting all my speakers very high not sure if anyone else has encountered this.


Sent from my iPhone using Tapatalk


You should be able to make slight gain increases to your sub during your “auto eq” process until it shifts into the negative territory. I believe best practice is to generally have the processor set it as low as possible but not at the max reduction.


Sent from my iPhone using Tapatalk Pro
drummerboi1702 likes this.

7.4.6 system: Processors:Marantz 8805 || Xilica XP4080 Amps: Parasound A31 and ATI AT528NC & AT526NC n-core ||Speakers: Procella P8 LCR, Procella P5/P5 in-wall
Subs: JTR Captivator subs: One S2, Two RS2, One S1
Screen: 2.40:1 Seymour XD Acoustically Transparent, 128" diagonal / 118" wide || Projector: JVC X570/RS420
farsider3000 is offline  
post #15084 of 15115 Old Yesterday, 08:49 AM
AVS Forum Special Member
 
tvuong's Avatar
 
Join Date: Dec 2000
Posts: 5,895
Mentioned: 108 Post(s)
Tagged: 0 Thread(s)
Quoted: 2944 Post(s)
Liked: 2988
Quote:
Originally Posted by drummerboi1702 View Post
Is anyone using a anthem receiver or processor with your JTR sub? ARC is boosting all my speakers very high not sure if anyone else has encountered this.
How big is your room? I am not familiar with Anthem AVR but those are high efficient Klipsch, so speakers trims usually fall in the negative range (unless they are not really high efficient?). Regarding the sub trim being +3, you just have to increase your sub gain on the JTR sub and rerun your auto calibration.
drummerboi1702 likes this.
tvuong is offline  
post #15085 of 15115 Old Yesterday, 09:43 AM
AVS Forum Special Member
 
chucky7's Avatar
 
Join Date: Apr 2002
Location: Rancho Cucamonga, CA
Posts: 5,108
Mentioned: 334 Post(s)
Tagged: 0 Thread(s)
Quoted: 3888 Post(s)
Liked: 5479
Quote:
Originally Posted by drummerboi1702 View Post
So this is my setup as of right now. I was wondering if adding second 2019 cap 2400 would give me near the same output as one cap 4000ulf?
Yes, pretty much. You will be a couple dB short @ 10 and 12Hz, but on par rest of the frequencies.

Speakers: L/C/R: JTR Noesis 212HT. Surrounds: Jamo C103, KEF Q100, Polk Audio RTiA3.
Subwoofer: JTR Captivator 4000ULF.
AVR: Denon AVR-X4400H. TV: Samsung UN75NU8000FXZA.
JTR Speakers Customer Appreciation Sale
FS: Jamo C103, KEF Q100 and Polk RTiA3
chucky7 is online now  
post #15086 of 15115 Old Yesterday, 09:48 AM
Member
 
drummerboi1702's Avatar
 
Join Date: Jan 2011
Posts: 26
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 13 Post(s)
Liked: 16
Quote:
Originally Posted by tvuong View Post
How big is your room? I am not familiar with Anthem AVR but those are high efficient Klipsch, so speakers trims usually fall in the negative range (unless they are not really high efficient?). Regarding the sub trim being +3, you just have to increase your sub gain on the JTR sub and rerun your auto calibration.

Not sure how big my room is. I already had the sub 1 o’clock. I will turn it up and try again.


Sent from my iPhone using Tapatalk
drummerboi1702 is offline  
post #15087 of 15115 Old Yesterday, 09:50 AM
Member
 
drummerboi1702's Avatar
 
Join Date: Jan 2011
Posts: 26
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 13 Post(s)
Liked: 16
Quote:
Originally Posted by chucky7 View Post
Yes, pretty much. You will be a couple dB short @ 10 and 12Hz, but on par rest of the frequencies.

I think I want those few db you think a 4000 and a 2400 will place nice together??


Sent from my iPhone using Tapatalk
drummerboi1702 is offline  
post #15088 of 15115 Old Yesterday, 11:47 AM
Member
 
feistyacorn's Avatar
 
Join Date: Oct 2011
Location: Wisconsin
Posts: 176
Mentioned: 20 Post(s)
Tagged: 0 Thread(s)
Quoted: 132 Post(s)
Liked: 168
Quote:
Originally Posted by drummerboi1702 View Post
Is anyone using a anthem receiver or processor with your JTR sub? ARC is boosting all my speakers very high not sure if anyone else has encountered this.
I have Anthem and experienced something similar when I was testing sub gain and LF adjust. Try lowering your sub gain and re-run ARC. FYI: LF adjust should be completely off (cut) prior to running ARC and it can be added back in after.

Edit: I know what I'm saying is exactly opposite of what you would think, but in this instance, I believe ARC does a lot of EQ correction "magic" to make the levels positive.

___________________________________

Wisconsin Home Theater Enthusiasts Thread

Last edited by feistyacorn; Yesterday at 11:54 AM.
feistyacorn is offline  
post #15089 of 15115 Old Yesterday, 11:59 AM
AVS Forum Special Member
 
chucky7's Avatar
 
Join Date: Apr 2002
Location: Rancho Cucamonga, CA
Posts: 5,108
Mentioned: 334 Post(s)
Tagged: 0 Thread(s)
Quoted: 3888 Post(s)
Liked: 5479
Quote:
Originally Posted by drummerboi1702 View Post
I think I want those few db you think a 4000 and a 2400 will place nice together??
Yes, of course.

They have the same port tune.

Speakers: L/C/R: JTR Noesis 212HT. Surrounds: Jamo C103, KEF Q100, Polk Audio RTiA3.
Subwoofer: JTR Captivator 4000ULF.
AVR: Denon AVR-X4400H. TV: Samsung UN75NU8000FXZA.
JTR Speakers Customer Appreciation Sale
FS: Jamo C103, KEF Q100 and Polk RTiA3
chucky7 is online now  
post #15090 of 15115 Old Yesterday, 12:51 PM
Member
 
Sweet Jimmy's Avatar
 
Join Date: Apr 2015
Posts: 115
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
Quoted: 76 Post(s)
Liked: 133
Quote:
Originally Posted by drummerboi1702 View Post
I think I want those few db you think a 4000 and a 2400 will place nice together??


Sent from my iPhone using Tapatalk
You could also save $900, and perhaps some shipping, by getting the 2400 ULF. You have some options. If it were me I'd probably grab another 2400. Hard for me to believe two of those won't make the magic happen. It's also nice to have matching equipment.


2-Channel:
Wharfedale Opus 2-3, Jolida JD1502, Arcam irDAC
3.2.2 Home Theater:
Marantz SR7013, Klipsch RP-160 X 3, Klipsch RP-500SA X 2, JTR 2400 ULF X 2
Sweet Jimmy is offline  
Sponsored Links
Advertisement
 
Reply Subwoofers, Bass, and Transducers

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page


Forum Jump: 

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off