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  • Krell Master Reference Subwoofer

    Krell Master Reference Subwoofer

    Krell Master Reference Subwoofer.. These retailed for $40,000. The Master Reference Subwoofer (MRS) is all Krell, hugely powerful, all aluminum, and as heavy as a boulder. Capable of a manufacturer-rated 120dB at 20Hz, the MRS has enough output for huge spaces. The MRS has a 2600W amplifier based on the Krell FPB-750 that powers the two 15" drivers (each capable of 3" excursion), while the cabinet is constructed from 1" aluminum side panels and 2" baffles. The crossover electronics are even housed in their own metal case for isolation from the woofers. Original retail price: $28,000-$40,000. Shipping weight: 480 lbs. Buyer pays freight cost, please send your post code for an accurate quote. Worldwide voltage and shipping available Learn More
    $17,500.00

  • Aerial Acoustics System 1 speaker package

    Aerial Acoustics System 1 speaker package

    Aerial Acoustics System 1 speaker package including two subwoofer amplifiers All sort of options available including Stewart screen, Aerial rears and control system separately. Learn More
    $15,000.00

  • Snell Type A reference speaker system

    Snell Type A reference speaker system

    used, two black mains, two snell crossovers black thx larger snell center http://www.stereophile.com/floorloudspeakers/snell_acoustics_type_a_reference_loudspeaker/ Learn More
    $5,500.00

  • Rel G1 MK2

    Rel G1 MK2

    Rel G1 MK2 as new, all packing and accessories, perfect condition, 2017 original ship date, used for less than two weeks Learn More
    $4,299.00

  • Thiel SmartSub 3

    Thiel SmartSub 3

    $6900 retail, dual 12" woofers, 167lbs, black.. Small footprint. Learn More
    $2,800.00

  • entec lf20 subwoofers
    $2,500.00

  • Legacy Audio Xstream Subwoofers (price for each)

    Legacy Audio Xstream Subwoofers (price for each)

    Legacy Audio Xstream Subwoofers (price for each) Learn More
    $2,400.00

  • Krell Resolution Subwoofer

    Krell Resolution Subwoofer

    local pickup in Florida preferred but can ship, Learn More
    $1,999.00

  • Wilson Whow III

    Wilson Whow III

    Wilson Whow III coffee table subwoofer with granite top, just refoamed 10/15 The WHOW (downward firing version) was configured in a way and shape to also be used as a coffee table. Because of this, Wilson offered many different options for the top including: Wilsongloss finish, wood finish, and solid granite (granite was the best option if the WHOW was going to be used as a coffee table). from Wilson: http://www.wilsonaudio.com/pdf/manual_whow1.pdf Learn More
    $1,900.00

  • Wilson Audio Whow II universal  subwoofer cherry

    Wilson Audio Whow II universal subwoofer cherry

    Wilson Audio Whow II subwoofer cherry (matches a set of Watt V we have for sale separately) The WHOW (downward firing version) was configured in a way and shape to also be used as a coffee table. Because of this, Wilson offered many different options for the top including: Wilsongloss finish, wood finish, and solid granite (granite was the best option if the WHOW was going to be used as a coffee table). Learn More
    $1,500.00

  • Velodyne Direct Digital 15 THX

    Velodyne Direct Digital 15 THX

    Velodyne DD15 THX Ultra2 Certified Patented ERS 'Class D' power amplifier, 1250 watt RMS / 3000 watt Dynamic Remote control with six custom presets, night mode Driver: 15" forward firing Kevlar-reinforced resin (12.7" piston diameter) Frequency response: 15 Hz - 120 Hz +/- 3 dB Learn More
    $1,500.00

  • Revel B15
    $1,250.00

  • B&W ASW 2500 subwoofer
    $890.00

  • James Loudspeaker EMB-1200

    James Loudspeaker EMB-1200

    James Loudspeaker EMB-1200 very good condition Learn More
    $799.00

  • Rel Storm
    $700.00

  • Rel Q201e
    $650.00

  • Rel Strata III

    Rel Strata III

    Rel Strata III This was $1300 new, It is in excellent cosmetic condition and comes with power cord and neutrik connector Learn More
    $650.00

  • B&W ASW 675 subwoofer
    $600.00

  • Velodyne HGS 12

    Velodyne HGS 12

    Although we recently published a review of the Velodyne HGS-10 subwoofer, the innovative technology that is inherent to this new class of subwoofer warrants a review of their latest edition, the HGS-12. We understand that subwoofer aficionados in our readership want to know about the 12" version, and it will be some time before reviews appear in the printed trade. So here goes. The HGS-12 (HGS stands for High Gain Servo) has a 12" driver with a 19.3 pound magnet structure and 3" tandem push-pull voice coil. Front of Driver (3750 bytes)This is the same driver as in the FSR-18, without the bucking magnet. It is also the same driver as in the HGS-10. HGS AmplifierVelodyne is quite pleased with the new driver design and is using it in all of their high performance servo-feedback subwoofers, with the cone sized accordingly. I really enjoy our F-1500s and FSR-18s, but they are BIG. The HGS-10 and HGS-12 will fit nicely behind the couch if necessary. Is the size of the box that important as far as being furniture-friendly? Apparently so to a lot of people. But the problem has been in getting high performance from a small enclosure. Enter the HGS-10 and HGS-12. In the HGS-12, the piston size is 11", and the actual edges of the mounting rim extend the total driver size to 12". A large dust cap makes the driver shallow. An enormous rubber surround allows for large excursion. The sub is powered by their new digital switching (Class D) amplifier (140 kHz switching frequency at the output stage), rated at 1,250 watts rms (that's a LOT of power!) into the driver which dips to 3.2 Ohms. Servo-feedback technology is utilized (solid state motion detector mounted near the voice coil), as is on all Velodyne high performance models. Panel (3396 bytes)There are 78.6 joules of energy storage capacity in the power amplifier. On the back are an ungrounded AC socket, RCA line-level inputs and high-pass (80 Hz, 6 dB/octave) outputs, Volume control, Low-Pass crossover control (40 Hz - 120 Hz, 12 dB/octave initially, 48 dB/octave ultimately), Crossover in/out switch, Phase toggle (00 or 1800), Subsonic selection (20 Hz or 35 Hz cutoff), and a remote sensor socket. The enclosure is nicely finished in gloss black polymer veneer. For testing (listening and measurements), we placed the HGS-12 on the floor, 2 feet out from a wall. The 20' x 20' testing lab has wall to wall carpet, and no windows. The HGS-12 complimented our McCormack CD system, McCormack ALD-1 Preamplifier, LLano Monoblocks, and Threshold ES-500 Electrostatic Speakers. Cables were Nordost SPM Reference and Nordost Red Dawn. For room response measurements, the low pass was set to 120 Hz, the crossover switch was set to "In", and the subsonic cutoff was set at 20 Hz. The volume control was at mid-level. Room Response - Velodyne HGS-12 Subwoofer -- Grille off -- Set to 90 dB at 20 Hz -- (This is not maximum output, but rather just the response in an "average" room with the volume set to 90 dB at 20 Hz.) 1 meter 13 feet 10 Hz 72.7 dB 10 Hz 82.4 dB 12.5 Hz 69.0 dB 12.5 Hz 86.4 dB 16 Hz 80.6 dB 16 Hz 92.1 dB 20 Hz 90.4 dB 20 Hz 90.7 dB 25 Hz 93.8 dB 25 Hz 98.7 dB 31.5 Hz 97.3 dB 31.5 Hz 103.6 dB 40 Hz 88.1 dB 40 Hz 104.4 dB 50 Hz 95.8 dB 50 Hz 101.2 dB 63 Hz 92.3 dB 63 Hz 107.0 dB 80 Hz 93.3 dB 80 Hz 94.0 dB 100 Hz 93.2 dB 100 Hz 98.4 dB 125 Hz 85.9 dB 125 Hz 97.9 dB 160 Hz 81.7 dB 160 Hz 87.4 dB The HGS-12 has usable output down to 16 Hz (farfield). Even in the deep regions at high output, we could hear no harmonics, and our Spectrum Analyzer showed no harmonic peaks within about 20 dB of the fundamental (the sinewave test frequency). We could get 112 dB SPL nearfield at 31.5 Hz, which is similar to an F-1500, before limiters set in. I never heard the HGS-12 amplifier clip. That isn't to say that it can't be done, but the limiters keep this from happening under normal circumstances. This new digital switching amplifier stuff is really amazing! The built-in amplifier remained stone cold even after extensive use at full output. Notwithstanding problems they might have with full spectrum sound, they sure make dynamite amplifiers for subwoofers! Our ES-500 Electrostatic Speakers are full range units, and even though they respond to quite low frequencies, it is hard work. I used our Mirage LFX-3 active crossover to attenuate frequencies below 50 Hz in the electrostatics, and the HGS-12 made a huge difference in the overall sound presentation. The electrostatic panels were alleviated from having to handle the lows, making them perform better in the mids and highs, while the HGS-12 moved all the air necessary to make the wall studs shudder. Of course, the HGS-12 was great with home theater material, but putting this sub with the $11,000 ES-500s was illuminating as to its high performance capability in the realm of classical music. Powerful, deep, and clean. Nothing else needs to be said. In summary, the HGS-12 is the big brother to the HGS-10, and both are new additions to Velodyne's line of servo-feedback subwoofers. Although neither of these products will stomp on the Velodyne FSR-18, the HGS-12 sure will make you scratch your chin when deciding between it and conventional 15" subs. Learn More
    $550.00

  • Sunfire True Subwoofer Jr

    Sunfire True Subwoofer Jr

    Sunfire True Subwoofer Jr, Our tech ust recapped part of this for long term maintenance (nothing failed yet, but these will have a higher probablility over the years without having done this) Learn More
    $500.00

  • Kinergetics Subwoofer amplifier
    $380.00

  • Velodyne ULD 15
    $375.00

  • Velodyne F1200 12" subwoofer
    $350.00

  • Infinity  HS1000 15" subwoofer

    Infinity HS1000 15" subwoofer

    a little wear, no box Florida pick up Learn More
    $340.00

  • Boston Acoustics SA1 140 watt subwoofer amplifier

    Boston Acoustics SA1 140 watt subwoofer amplifier

    Subwoofer amplifier with built in crossover $600 retail http://www.bostonacoustics.com/US/Product/Pages/ProductDetail.aspx?CatId=HomeAudio(BostonAcoustics_US)&SubCatId=Accessories(BostonAcoustics_US)&Pid=SA1(BostonAcoustics) Learn More
    $300.00

  • Velodyne va1012x subwoofer
    $150.00

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