• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

sub

  1. W

    Passive or active subwoofer?

    Hi there, I have a JBL control sb5 passive sub 40-120hz. They have a crossover of 120hz and the frequencies below this are taken from from attached Monitor Audio Bronze 2s. They say having a powered sub takes the heavy lifting off the main speakers, but my Audiolab 6000aMk2 only has pre out (no...
    • wazhead
    • Thread
    • active crossover passive sub
    • Replies: 25
    • Forum: Speakers
  2. A

    Sub PSW650 Polk Audio primary transformer coil burnt. 110v.

    Sub PSW650 Polk Audio primary transformer coil burnt. 110v. If your power grid is 110v (USA) and the sub is not working at all probably your primary(input) coil of the transformer has been burnt. Just use a simple tester to check the resistance on a receptacle of a Sub. The regular resistance...
    • alex_jd
    • Thread
    • 110v burnt fix polk audio psw650 sub transformer
    • Replies: 1
    • Forum: Speakers
  3. redondo2018

    Best way to use a vintage sub amp into a vintage amp/receiver for passive sub

    Ok, so I've a got a bunch of 70's/80's vintage amps/receivers and I recently got an RSH Sam-200 sub amp with a passive RSH TS-12AN with an impedance of 4ohms (most of my vintage amps/receivers go down to 4ohms as well). Seem straightforward below (not sure how to use the Line In however, guess...
  4. Radiant_Toe

    Sub recommendations for vintage set-up

    Hello Audio Karma, I currently have a two-speaker set up that I really love. Everything I have is from the 70's/early 80's except for a PSW10 sub: Sansui FR-D3 table Sansui AU-555A amp AT-95E/Stanton 500 MKII cartridges Luxman LX 105 MK11 speakers PSW10 sub I don't hate the PSW10, but I...
  5. david winter

    Denon PMA-701 : 2SC1735 & 2SC1775 subs

    Hello, I'm going through a nice Denon PMA-701 amp. Seems a bit cheap in manufacture, but worth restoring. The tone control uses a number of 2SC1775 and 2SC1000. Haven't replaced any yet. The output stage also has a pair of 2SC1775 which I plan to replace by 2SC1845 unless there is a better...
  6. K

    Any subwoofer recommendations?

    Hi, I'm looking to buy a good price/performance subwoofer to extend the bottom end of my (active) Focal Alpha 65 connected with Allen&Heath xone 43 and also for my (passive) Dali 450 connected with Denon pma 680r. I know there are pro audio and PA system subwoofers with XLR that can easily be...
  7. S

    Advice on tuning for multiway

    Hello, I'm new to this forum, although have been reading a lot of posts on here, but now need to reach out for some specific help! I have been designing a system that is quite large, and am right about at the stage to build test cabs to take measurements from to then fine tune before the...
    • Sam Edwards
    • Thread
    • cabinet design crossover enclosure multiway sub sub bass tuning
    • Replies: 7
    • Forum: Speakers
  8. BILL JOBS

    Rattling/Farting Event 20/20 Monitor

    Hi there, I have a noticeable rattle on the low end on one of my Event 20/20 studio monitors. Here's a recording of the farting/rattling speaker: And the working speaker for comparison: Is this something I can repair myself by replacing some component of the speaker myself? I've already...
    • BILL JOBS
    • Thread
    • 20/20 bass diy event monitors rattle repair speaker speakers sub
    • Replies: 19
    • Forum: DIY
  9. T

    Help planning out system

    Hi All! Thank you in advance for your input and advice. I've run into somewhat of an interesting predicament (imo, lol). I got my system up to a level that I absolutely love after over a decade of upgrading each component (other than the fact that movies/tv dont always sound right without a...
    • Tdaut
    • Thread
    • center channel combining systems goldenear harman kardon home theater no lfe schiit sub
    • Replies: 1
    • Forum: Home Theater & Video
  10. M

    Looking for ways to add bass to my PC speaker system?

    I have a 2.0 PC speaker system which works fine but I'd like to increase the bass on it. I also have another 2.0 PC speaker system which doesn't work anymore when plugged into the mains, but it's still possible to use the secondary speaker if you connect it directly to a phone or a laptop...
  11. Deer Creek

    Home Theater Multi-Subwoofer Setup - New Blog Post from Deer Creek Audio

    Deer Creek Audio has published a new blog post covering Home Theater Multi-Subwoofer Setup for miniDSP, REW and Dirac Live. Our latest blog walks you through the setup of a home theater multi-subwoofer configuration using the miniDSP 2x4 HD, DDRC-24 or Flex. This process will help optimize the...
  12. grandpaslab

    Rotel RX-803 - 2SA912 sub?

    I'm trying to eliminate the last few gremlins in this Rotel. It crackles a bit and I've read that KSA912 gets noisy (and hot) so I'd like to replace Q605 and Q606 on the main amp board, which are listed as "main amp bias compensator". KSA1013 seems to be the go-to sub, but I don't have any on...
  13. sean sweeney

    2sc1451 sub for Pioneer (Can I use 2SC3467C ?)

    I have a receiver, SA-9100, and am a local tech of many different things here in STL... I have a pack of 2SC3467C transistors and was thinking they look like they could replace the 2SC1451's.... because they are obviously noisy and triggering the protect... I just got the amp in here and...
  14. Too Loud

    Best Powered Subwoofer in the $1,000 Range

    My system is: NAD 106 Preamp 2) Hafler 9290 amps SMSL SU-9 DAC Cerwin Vega XLS-15 speakers Klipsch R-100SW Sub I realize the CV speakers I have are not audiophile grade, but they match my amps perfectly and I love the sound of them. I have done a lot of experimenting with the Klipsch sub and I...
  15. T

    Subwoofer for my system

    Hey there, I posted a few months ago about wanting to add an EQ to my chain and was quickly talked out of it by several members (lol) Anyway, I got some great advice which included to ditch my last set of speakers (vintage KEF C15's with matching C200SW stereo subs) and opt for larger...
    • Tdaut
    • Thread
    • kef no lfe sub sub has no l/r connections
    • Replies: 4
    • Forum: Speakers
  16. TheThreat

    Passive Radiator Subwoofer thoughts...

    Lately I have been toying with the idea of building a small-medium subwoofer and I came across Jeff Bagby's Baby Boomer. It's a ~1cf 10" sub and interestingly it's available either ported or with a pair of Passive Radiators. So obviously I fell down a rabbit hole of reading opinions on PRs, how...
    • TheThreat
    • Thread
    • baby boomer passive radiator sub subwoofer
    • Replies: 1
    • Forum: DIY
  17. H

    Fisher 800c Alternate Tube

    I was looking at the schematic for the Fisher 800c and thinking about tube alternates. Has anyone ever tried to use a 7427 / 12DW7 right in front of the output tubes? Pins 678 are the 12ax7 and pins 123 line up with the 12au7. Im thinking that would be perfect as a gain followed by a driver...
  18. Tuckr

    Bose 901 subwoofer?

    Hi all! You'll have to excuse me because I'm fairly new to this whole world, but I'm working on building a decent system. I recently found what I think is a Bose 901 subwoofer, but I can't find any resources on it. Did Bose in fact make a 901 sub?
    • Tuckr
    • Thread
    • 901 bose sub subwoofer woofer
    • Replies: 27
    • Forum: Speakers
  19. silentt29

    Onkyo SKW 200 subwoofer?

    Hello, I see an Onkyo SKW 200 subwoofer for sale. They're asking $75. I couldn't find much on this subwoofer. What do your opinions on it?
    • silentt29
    • Thread
    • onkyo skw skw-200 sub subwoofer
    • Replies: 3
    • Forum: Speakers
  20. D

    Klipsch RW 12d 120V Sub Power Problems

    Hey, I recently acquired this used sub, and have had problems getting power. Changed out the cord and fuse, and it did not help. Took off the panel and was hoping it was a wire problem and was dumbfounded/horrified at what I found. Besides the obvious, there was what looked liked super glues...
  21. J

    Help Connecting Powered Subwoofer to Pioneer SX-939

    I have a Canadian made "Innovative Speaker Design" (ISD) "Spirit" subwoofer that has `Line In" RCA and DIN High Level Input ports on the unit, and the Pioneer has many options for adding devices but I am unsure which way to go to ensure best quality sound. Hope that others who've done similar...
  22. DJ5D

    JBL L150 Sub Bass Mystery

    Hi, I'm restoring some JBL L150s and I've run into a mystery. I refoamed all the speakers successfully, but then I noticed that the sub bass response was extremely poor in one of the cabinets. A 40Hz test tone revealed that the passive radiator was putting out almost nothing. (note: i did not...
    • DJ5D
    • Thread
    • jbl l-150 l150 speakers sub sub bass
    • Replies: 15
    • Forum: Speakers
  23. NotYourKind

    Guess which brand

    Hey all. Apologies that I didnt have time for a proper intro to AK. Either way, been coming here for info for yrs, we probably have a lot in common. All righty then, I need help identifying a brand logo. Am harrassing a seller with questuons on OfferUp, but he has no clue about the item he is...
    • NotYourKind
    • Thread
    • amp cabinet dayton infinity plate sub woofer
    • Replies: 16
    • Forum: Speakers
  24. Natertots

    Sub on a budget - James ESM-1000 or Martin Logan Abyss

    If you were going to buy one sub, used primarily for music, without auditioning both, would you go with the EMB-1000 or the Abyss? I have beeen watching the local listings for an inexpensive used sub to ubgrade my Velodyne DLS-4000. I picked the Velodyne up for $70 about 1.5 years ago as I was...
    • Natertots
    • Thread
    • 2.1 hsu james martin logan stereo sub subwoofer svs velodyne
    • Replies: 17
    • Forum: Speakers
  25. H

    AR1 high res tower speakers

    I have a pair of acoustic research AR1 high res tower speakers one of my side firing 15 is in need of repair or replacement at high volumes it “bottoms out” or cracks loudly at lower volumes it sounds fine. Any help would be great. Thanks
    • Hildo4
    • Thread
    • acoustic research ar sub subwoofer repair
    • Replies: 2
    • Forum: Speakers
Back
Top Bottom