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  1. DIY Repair and Maintenance
    Hi Folks Not entirely sure what's happened but i'm now the proud owner of large brick rather than an Onkyo AV Receiver; hope someone can help. After switching inputs last week, the receiver went 'strange' and then, without me resetting it, started to click on into standby and then instantly...
  2. DIY Subwoofers - General Discussion
    I have a image dynamics id 12 v4 250 rms i want to put it in a 4.50 cubic feet port tuned to 20.5 hz for just home theater use but i know this is a large box for it so power handling should go down. I have linux so i cant use windows programs to figure this out. I would appreciate help...
  3. Remotes | Cables | Accessories | Tweaks
    I have a RLC-1E remote line controller that needs a 12V power supply. It also says DC@200ma. I’m not sure why they would sell it without the power supply, but they did. Anyway, if I find a power supply on eBay that matches those specs and has the right connector, can I be confident it will work?
  4. IB - Infinite Baffle Subwoofer Build Projects
    Not sure If im modelling this correctly. This is telling me that I'd have to go up to 600W per speaker to hit Xmax. I've read in other places that 250-350w would be the most you'd want to go with dual opposed IB318 subs to prevent from bottoming out.
  5. Home Theater Receivers | Processors | Amps
    Hello, As a neat solution I am looking at a custom 5 channel power amp to power the front 3 speakers in my setup, and an IB which I will install. The amp would be a 5 x 300 watt power amp. This gives me 2 channels with which to power the IB with. Does anyone have any thoughts as to if they...
  6. Home Theater Receivers | Processors | Amps
    does any know of a power cord replacement for the crown xli 800 amp i need one thats less stiff an at least 5feet?
  7. DIY Repair and Maintenance
    Last weekend I was wakened by a thunderclap that sounded like a cannon was fired just outside my window. Later when I got up I started noticing some problems. My fridge was out due to a tripped breaker. The old stereo in my bedroom was powered but mute. The computer in my office had no internet...
  8. Home Theater Receivers | Processors | Amps
    Hello Home Theatre Shack! I recently came upon a crazy sale on Polk Audio RTIA9 speakers. I bought two. I knew about the crazy power requirement but thought I could attach a emotiva amp to help, but now I'm not so sure.(reciever is a Yamaha Rx-v579, 80w/channel) There are two preouts on the back...
  9. Remotes | Cables | Accessories | Tweaks
    I thought I'd share a recent project in case it would be helpful for anyone else out there... ***** WARNING - This project involves working with 120V A/C circuits. Do not attempt unless you are thoroughly familiar with proper wiring and safety practices ***** I use a Crown CTs600 power amp to...
  10. Headphones | Head Gear
    I have a 3.5mm audio jack with a switch build in. When you plug a jack in the switch opens. I would love to use this build in switch as a power on switch for a small device so when i plug in a head phone jack it closes a circuit and powers on the device. I don't know how to use the open circuit...
  11. Home Theater System Recommendations
    hi i have decided to go with denon 720w reciever 6 dayton audio br-1 $210 a pair from philarmonic audio 2 jbl studio 550p subs 4 monoprice caliber in ceiling speakers 8 in way pioneer mtm c22 centre speaker my question is i want a very good need a four - five way power amplifier to...
  12. SPL Meters | Mic's | Calibration | Sound Cards
    Finishing up my subwoofer build and thought I might as well upgrade my computer's sound card before I start doing testing. Long story short, if there are any Essence STX ii users on here, can you tell me how the you are powering this card?:frown: It doesn't come with a power cable which is dumb...
  13. Home Theater System Recommendations
    I know this is a topic that has been covered before, but I do not see any discussions in the last 5 years so I am looking for inout based on the what is now available. While I will value all input, I would really love to hear from people who actually own the equipment and have had personal...
  14. System Setup and Connection
    Hello, Having some issues with my parents system... tried to budget build might have done to much... My father has a deaf ear so I did some unique work... hoping to help from him just cranking the system... I have put multiple center and left speakers on the system and I the unit keeps...
  15. Home Theater, Audio and Video News
    This is one of the best times of the year to buy home theater gear. Not only do we benefit from natural price reductions on aging 2016 models, but we also have access to massive deals on Black Friday and Cyber Monday. It just so happens that the fine folks at Power Sound Audio are jumping the...
  16. Staff A-V Insights
    AudiocRavings, by Wayne Myers: 7 - Another Way of Looking at Amp Power Specs To Double-Down It is commonly accepted in the world of high-end audio that a good characteristic of a power amplifier is its ability to Double-Down in output power for every halving of load impedance. In other words...
  17. Home Theater System Recommendations
    i have just bought 2 speedwoofer 10 subs from america i want to change the power cords on them to a ps audio ac-12 power cord people are saying they improve the subs performance greatly my question is do i need the uk plug version or the american version or the european version thanks
  18. Home Theater Receivers | Processors | Amps
    Hi, I have a simple question, for example if i need 150W power to drive my speakers in real usage and my AVR is capable of delivering only 100W and if add extra 100W power amplifier , would it give 150W power or only power from the power amplifier will be used?. or i have now 200W in total? Thanks
  19. Subwoofer Amps | High Pass Filters
    Hi guys. I need an ELI5! How does a power amplifier that is capable of an output of 2400W RMS, only consume (from the print at the rear of the amp) 425W? I'm going to assume Crown have not invented a free power device - what gives? I understand that a switch mode D class can be efficient; but...
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