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  1. NHT 1259 Voice Coil

    DIY Subwoofers - General Discussion
    Who can tell me where to find a new voice coil for my NHT sub?
  2. WinISD, Amp and dual voice coil question

    Subwoofer Amps | High Pass Filters
    Hoping this is the right place for this question. Looking for a little input from any of the forum sub gurus on wiring a dual voice coil (4 ohm each) sub to a two channel amp. The amp is not bridgeable and will muster 400 watts per channel at 4 ohms. What I'd like to do is wire this so that...
  3. Dual Voice Coil Sub Configuration

    System Setup and Connection
    I spent some time today taking some REW measurements of my DVC sub in different configurations, and am intrigued by the results. I'm using a Carver a-400x amplifier which is rated at 200wpc @ 8-ohms, 300wpc @ 4-ohms, or 500w bridged with an 8-Ohm load. The sub is a DIY sonotube sub with a DVC...
  4. Dual LMS Ultra 5400 sealed blew up melted coil

    Sealed Subwoofer Build Projects
    Hi Folks, I wondered if you could give me some advice here. I decided to build 2 x sealed enclosures for 2 LMS ultras that I brought. I used 50mm mdf to give me the least hassle building two layers and due to lack of tools/clamps etc. The boxes are around 3.5 cubic ft but (taking the...
  5. How to calculate a Field Coil for a 30 inch loudspeaker

    DIY Subwoofers - General Discussion
    :yikes:
  6. single vs dual voice coil

    DIY Subwoofers - General Discussion
    OK, I'm sure I'm spending way too much time figuring out a first build...have purchased BASH 300 amp and assorted hardware but not yet set on driver. Have had the CSS trio as leading candidate (trying to keep budget around $300 total for build) but the room is pretty big so have been wondering...
  7. wiring options for dual voice coil woofers

    Sealed Subwoofer Build Projects
    So I am looking at some ed 18's for a dual oppossed design. They come in dual 2 ohm voice coil. Ed emailed me and told me that if I bought them, the only wiring options available to me would leave me at either 2 ohm per cab or eight. Now the question I am asking is... Couldn't I wire one...
  8. Help with realistic woofers

    General Service and Technical Information
    I have two Realistic Mach One speakers. they're pretty old and both of the subwoofers need a new surround. the problem is it sounds like the coil is vibrating against something when i play them. will replacing the surround fix this?
  9. CLOSED: Audiopulse Axis 12" quad coil

    Classifieds - Speakers and Subwoofers
    No longer for sale.
  10. Need T/S Parameters for 1st gen. single voice coil Maelstrom-X 18"

    DIY Subwoofers - General Discussion
    I bought one of these and I would like to have the T/S Parameters if anybody can post them. Single voice coil (2009) 1st generation Maelstrom-X 18". Thanks Mike
  11. Voice coil impedence

    DIY Speakers
    I have a dual 4ohm VC speaker. One VC measures 3.4ohm the other 7.2ohm. This does not seem right???? Bop:scratch:
  12. SOLD: 4-Soundsplinter RLP-15 dual 2 ohm coil for sale

    Classifieds - Speakers and Subwoofers
    SOLD SOLD SOLD I've been very happy with my subs but my quest for more bass is making me sell them. I need $200 ea. plus $35 shipping UPS ground, or will take $700 for all four and reduce the shipping to $30 ea. to the lower 48 states. This price reduction is good until one or more drivers...
  13. Winisd / voice coil temp?

    DIY Subwoofers - General Discussion
    Should we be entering an "average" voice coil operating temp to get a more accurate model or is it insignificant? Posted via Mobile Device
  14. size of a voice coil

    DIY Subwoofers - General Discussion
    I was wondering when picking a driver, how much the size of a voice coil matters? If all other specs are the same, would a speaker with a 4" coil perform better than one with a 2"? what about a 4" vs a dual 2"?
  15. FS :TC Sounds TC-3000 Titanium coned 15" with quad voice coil

    Classifieds - Speakers and Subwoofers
    Hello and Happy Holidays. Have for sale a TC-3000 15" driver by TC Sounds. This driver has a quad voice coil and the newer Titanium cone before TC Sounds switched to the AXIS line. As such, xmax is only 30 mm, compared to the original which had 34 mm. The driver has the high roll surround...
  16. Wiring Double coil or Single Coil?

    DIY Subwoofers - General Discussion
    Hi everyone, I have an older Denon DRA625RA receiver that is pre pro logic and is still in excellent trouble free shape. This receiver appears to be a four channel type(A and B speaker selection buttons). Currently it is driving a dual voice coil 12" sub with passive cross overs. The voice coils...
  17. Voice coil heating...

    DIY Subwoofers - General Discussion
    I have been using WinISD a bit lately, I notice on the driver tab there is a field for voice coil heating. Is there a formula that can be used to work this out?? Or is there a standard value to enter??? Thanks. Hakka.
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