This preamp/direct box is so strong and powerful it could only be called the “Tone Hammer”! 

• INFO
• TECH
• MEDIA
• MUSINGS

• Based on the respected OBP-3 preamp, the Tone Hammer® features fully sweepable midrange frequencies in addition to bass and treble controls. With the Tone Hammer’s pristine D.I. you are set for the studio or the stage.
  
  To give this tone shaping unit the ultimate flexibility Aguilar introduced their proprietary Adaptive Gain Shaping circuitry (AGS). AGS allows the player to kick in an additional gain structure and EQ with the “stomp” of a button. You can now go from modern slap sounds to vintage or overdriven. 18 volt operation gives the Tone Hammer® plenty of headroom to reproduce the most dynamic playing style. Separate GAIN and MASTER controls allow you to dial in just the right gain structure for any instrument.
  
  The Tone Hammer® is the essential preamp/direct box for every bassist’s tool box.
  
  **Sorry international bassists, but US Dealers are not authorized to ship Aguilar pedals outside of the US.  Please contact us if you are having trouble finding Aguilar products in your home country.
• Aguilar Tone Hammer Preamp/DI User Manual
  
  

  Pre/Post DI

  Unbalanced output can drive a power amp

  AGS circuitry

  Cut and boost of treble, mid and bass frequencies

  Fully sweepable midrange frequencies

  Powered by two nine volt batteries, phantom power or optional universal power supply

  Ground lift switch

  Heavy Duty steel construction

  Inputs: One 1/4″ jack

  Outputs: One 1/4″ jack, One XLR (nominal output – 14 dBu balanced)

  EQ:
  Bass +/- 18 dB @ 40 Hz
  Mid +/- 17 dB @ 180 Hz to 1 kHz
  Treble +/- 18 dB @ 4 kHz

  Controls:
  Ground lift switch
  Pre/Post DI switch
  Engage switch
  AGS switch

  Warranty: Three year limited

• Below are impressions and anecdotal thoughts gathered over the years. Some are our own and some are from customers.

  • "Excellent addition to my rig, especially when I am forced to use another band's amp or the house rig"
    
  • "While clean and clear, I am able to add warmth"
    
  • Especially good in combination with the TLC compressor
    
  • Truly a well loved outboard preamp