Hartke LH-1000, 19"" Bass Head, 2x 500 Watt or 1x 1000 Watt, Tube preamp with 12AX7 Class-A tube preamp circuit, 3-Band EQ, Bright Switch, Limiter Switch with LED Indicator, Balanced XLR DI-Out, FX loop, Balanced direct output, Effects loop, Speaker Twist and jack outputs for speakers, 2 U, Dimensions: 483 mm x 369 mm x 83 mm, Weight: 14.5 kg