Aguilar Tone Hammer Preamp/DI

Aguilar Tone Hammer

$ 318.79excl. VAT

In stock

Tone Hammer Preamp/DI

The Aguilar Tone Hammer preamp/direct box is so strong and powerful it could only be called the “Tone Hammer”! 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 we introduce our 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.


Adaptive Gain Shaping (AGS) -AGS changes the gain structure and EQ interactively with the gain knob position. This produces a “vintage voiced” EQ that adapts as you adjust the gain knob. The lower the gain knob setting, the “flatter” the EQ applied. The higher you set the gain knob, the more saturated the gain structure becomes, and the more the bass is tightened and the treble smoothed. -AGS provides a continuously variable boost depending on the position of the gain knob. The higher the gain setting, the more boost you will get. -The AGS circuitry surrounds the midrange controls, enabling you to get a huge variety of tonal characteristics by simply adjusting the gain and midrange controls. What this gives you is a flexible control to get a wide range of tonal colors. -With the Gain knob set from 7 o’clock to 11 o’clock, AGS gives up to 12dB of clean boost with warm, glassy, vintage EQ. -With the Gain knob set from 11 o’clock to 1 o’clock, AGS gives up to 15dB boost, with a little vintage growl as the EQ tightens up the bass. -With the Gain set from 1 o’clock to maximum, AGS gives up to 16dB boost full of warm, vintage saturation. The EQ tightens up the bass even more for a smoother response.



Controls input sensitivity level
+/- 18 dB @ 40 Hz
+/- 18 dB @ 4 kHz
+/- 17 dB of cut or boost
180 Hz to 1 kHz
Controls output level


Balanced output, maximum output level 8 VRMS.
¼” output, maximum output level 4 VRMS
This will place the direct signal either pre or post EQ. Pre: Your signal goes to the D.I. XLR output before your Gain, AGS and EQ settings Post: Gain, AGS, EQ and Master settings will be sent to the D.I. XLR output jack

Ground Lift

Ground Lift
If there is a hum when using the D.I, there may be a ground loop. In many cases, pushing in the Ground/Lift button can fix this problem


AGS Switch
Toggles AGS on/off (orange LED indicates on)


External DC Power
This is a standard 2.1mm DC jack. The center terminal polarity is negative. Compatible with 18-20 VDC regulated power supplies.
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