TX600 - 600 Watt Bass Amplifier11SpecificationsRated Output Power 600 watts @ 4 ohmsFrequency Response 10Hz - 40kHz -1dBPreamp Tube Low Noise 12AX7A High-Mu Twin TriodeActive Input >1MΩ unbalanced, -10dBV, -8dBuPassive Input >1MΩ unbalanced, -20dBV, -18dBuCompressor Ratio Fixed 2.1Compressor Threshold Off to -30dBu Passive Input, Off to -20dBu Active InputMute >80dB (100dB typical) at Direct Output & Speaker OutputBrite Switch 10kH, +8dB Gain @ 2 o’clock; +5dB Gain @ minTone Stack EQBass +8/-14dB, 80 Hz relative to 12 o’clockFrequency 200Hz to 800HzShape +11/-3dB relative to 12 o’clockTreble +5/-20dB, 6kHz relative to 12 o’clockPreamp Output 100Ω unbalanced 0dBuPower Amp In 20kΩ balanced, 0dBu for Rated Output Power (+14dBumax input)Direct Output 125Ω balancedStereo Aux Input 3kΩ unbalanced, 10dBVPhones 80mW max, shuts off Direct Output & Speaker OutputDimensions 14” x 10.6” x 2.6” / 355mm x 270mm x 66mmWeight 7lb / 3.2kgAt Hartke, we are continually improving our products, therefore specifications andimages are subject to change without notice.