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1000-watt Bass Amplifier with Tube Preamp

The Hartke LH1000 delivers a massive 1000 watts of power, coupled with a Class A tube preamp with a simple user interface that complements the generous power handling and rugged design ideal for the touring musician.

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  • Sculpt Your Tone

    The LH1000 features a classic 12AX7 Class A tube front-end design with a solid-state output. Trick out the bass and treble shelves to give its warm tone an edge, or use the Brite and Limiter switches to further sculpt your sound. Its intuitive front-panel design also makes on-the-fly adjustments a breeze. While the LH1000 is the perfect complement to our HyDrive Series bass cabinets, it also works seamlessly with any bass speaker on the market.

  • Victor-Wooten-HD-Cabs-1146

    Total Control

    Naturally, a head with this kind of power is perfect for touring musicians in a variety of live applications, so we made sure the LH1000 is as durable as it is versatile and powerful. With a 2-bay metal frame chassis, steel faceplate and handles, this amp is made for the road. The raw, reliable power of the LH1000 is also perfect for additional shaping through your effects processor or stompbox. With all the necessary features for complete tonal control, along with ample power and rugged construction, the LH1000 will ensure that your bass playing gets the positive attention it deserves.

Features / Specs


  • Dual Parallel mode offers 2 x 225 watts at 8 ohms, 2 x 320 watts at 4 ohms, 2 x 545 watts at 2 ohms
  • Bridge mode offers 750 watts at 8 ohms, 1,100 watts at 4 ohms
  • Classic 12AX7 Class A tube preamp circuit
  • Bass and Treble shelving, Mid-peak EQ controls
  • Selectable Brite and Limiter switch with LED indicator
  • Balance control blends level of A and B outputs
  • Front panel balanced XLR direct output
  • Rear panel 1/4" Effects loop
  • 1/4" and Twist & Lock output connectors
  • 2-rackspace metal chassis with steel faceplate and handles


Passive Input Sensitivity 100k Ohms, 20 mV
Active Input Sensitivity 100k Ohms, 60 mV
Rated Output Power Dual Parallel mode 2 x 225 watts @ 8 ohms , 2 x 320 watts @ 4 ohms, 2 x 545 watts @ 2 ohms
Rated Output Power Bridge mode 1 x 750 watts @ 8 ohms , 1 x 1100 watts @ 4 ohm
Total Harmonic Distortion less than .5%
Signal To Noise Ratio approx. 78 dB
Equalizer Type Tone stack
Send Output Level 0 dBm
Return Input Level 0 dBm
Dimensions 19" x 14.5" x 3.25" / 483mm x 369mm x 83mm
Weight 31.9 lb. / 14.5 kg

Warning CALIFORNIA PROPOSITION 65 WARNING: Cancer and Reproductive Harm -

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