DB1.2 1Ohm Class D Monoblock Subwoofer 12v Power Amplifier 1000w RMS


The new circuit board also allows us to announce 1 ohm stability which further broadens the range of system applications and subwoofer configurations that DB1.2 can be used in.

  • Latest Version Of Our Mid Range Compact Mono
  • Highly Efficient Class D Topology
  • Variable Bass Boost Level and Frequency
  • Variable Low Pass Filter
  • T.D.O.S. Amplifier Protection Circuitry
  • Variable Subsonic Filter
  • Up To 6V Ready Pre Amp Input Stage
  • O.P.S. Oversized Power Supply
  • Thermally Efficient Heatsink Coating
  • Low THD Audiophile Components
  • High Density Cast Aluminium Heatsink Body
  • The new DB1.2 offers its user an outstanding balance of power and sound quality. The DB1.2 was developed specifically to be a heavier duty version of the DB1.1. Building on the series architecture of an oversize power supply and efficient heat-sink design the DB1.2 will run hard for extended listening periods without being overworked. With Class D topology, the DB1.2 is highly efficient in power exchange and delivery; less power wasted, less heat generated, less distortion and longer service life. The circuit design is robust enough to deliver powerful bass while remaining poised and refined, producing a balanced accurate sound across the full bass audio spectrum. At detail level we included 2 positive and 2 negative speaker terminals making it easier for you to connect two subwoofers or dual voice coil subwoofers to the one amplifier. Naturally there is a full set of sound controls; variable low pass, variable subsonic filter and a parametric bass boost (frequency and level). For those tracks that deserve “just that bit extra” we also included a wired cockpit bass remote for on the fly adjustment.

    V1 – The V1 production model had a short life and only 300 units were produced. V2 – Moved production to a new facility and changed the design completely. Featured increased power output and ability to link 2 amps to one output. V3 – Addressed the issues with phase alignment making it complicated to link 2 amps and simplified this. It also added better terminals and different remote control, as well as slightly higher power output. V4 – 2016 styling badge, as well as increased overall performance. 16v ready. Quoted theroetical output figures revised after testing. We did discuss a V5 model which was to be the same but with a fan to lower running temperatures under heavy load. We changed our mind about this and instead created the DB1.2s with more power for those applications where running a V4 DB1.2 would have really pushed the board to the limit.

    Quoted Maximum Unfused Power, No THD Limit (Watts) 2000
    Quoted Maximum Unfused RMS, No THD Limit (Watts) 1000
    Quoted RMS Per Channel 4Ohm, No THD Limit (Watts) 500
    Quoted RMS Per Channel 2Ohm, No THD Limit (Watts) 750
    Quoted RMS Per Channel 1Ohm, No THD Limit (Watts) 1000
    Verified RMS 14.4V Per Channel 4Ohm (Watts)@(THD), (Amps), (Version) 403@1%, 33.8 (V4), 313@1%, 25.2 (V3)
    Verified RMS 14.4V Per Channel 2Ohm (Watts)@(THD), (Amps), (Version) 670@1%, 58.9 (V4), 540@1%, 45.4 (V3)
    Verified RMS 14.4V Per Channel 1Ohm (Watts)@(THD), (Amps), (Version) 1004@3%, 102.4 (V4), 809@1%, 76.3 (V3)
    Frequency Response (Hz) 10-180
    THD Continuous 4 Ohm 1Khz/100Hz (%) <0.1
    Signal To Noise Ratio (db) >96
    LPF (Hz) 40-180
    Bass Boost (Db) 0-12
    Boost Frequency (Hz) 30-80
    Subsonic Filter (Hz) 15-50
    Audio Signal Input Voltage (V) 0.2-6
    LPF Slope (Db/Oct) 12
    Subsonic Filter Slope (Db/Oct) 12
    Amplifier Topology Class D
    Amplifier Strappable? Not Recommended - No Warranty 2Ohm
    Fuse Rating (Amps) 120
    Power Wire Input Gauge (AWG) 4
    Recommended Wiring Kit and Accessories PWK4.1 RCA5.1
    Minimum Recommend Final Load Per Channel (Ohms) 1

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