On Special(5)

• 600-watt Class D bass amplifier that weighs 7lb
• Classic 12AX7 Class A tube preamp circuitry
• Tone stack EQ section including Shape, Frequency, Bass and Treble controls
• Compressor knob controls bass dynamics
• Brite button for increased high frequency attack
• 1/4" Active and Passive inputs
• 1/8" Aux input
• 1/8" headphone output
• Balanced XLR direct output
• Output Mute switch
• Integrated carry handle
• Rugged anodized aluminum chassis

Specifications

• Rated Output Power: 600 watts @ 4 ohms, 450 watts @ 8 ohms
• Frequency Response: 10Hz - 40kHz -1dB
• Preamp: Tube Low Noise 12AX7A High-Mu Twin Triode
• Active Input: >1MΩ unbalanced, -10dBV, -8dBu
• Passive Input: >1MΩ unbalanced, -20dBV, -18dBu
• Compressor Ratio: Fixed 2.1
• Compressor Threshold: Off to -30dBu Passive Input, Off to -20dBu Active Input
• Mute: >80dB (100dB typical) at Direct Output & Speaker Output
• Brite Switch: 10kH, +8dB Gain @ 2 o’clock; +5dB Gain @ min
• Tone Stack EQ
  • Bass +8/-14dB, 80 Hz relative to 12 o’clock
  • Shape +11/-3dB relative to 12 o’clock
  • Frequency 200Hz to 800Hz
  • Treble +5/-20dB, 6kHz relative to 12 o’clock
• Preamp Output: 100Ω unbalanced 0dBu
• Power Amp: In 20kΩ balanced, 0dBu for Rated Output Power (+14dBu max input)
• Direct Output: 125Ω balanced
• Stereo Aux Input: 3kΩ unbalanced, 10dBV
• Phones: 80mW max, shuts off Direct Output & Speaker Output
• Dimensions: 14” x 10.6” x 2.6” / 355mm x 270mm x 66mm
• Weight: 7 lb / 3.2 kg