Electro Harmonix LPB-3 Power Booster
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- This item is covered for 3 years
What you need to know
What you need to know
- Up to 33 dB of boost to go from a slight level enhancement to a strong push towards amp saturation
- Active equalizer designed to sculpt your sound with precision, without any sense of softness
- Parametric MIDS section to make your guitar stand out in a dense mix or refine a tone
- High voltage rails for extended headroom and cleaner boost, even with high-output pickups
Manufacturer Information
Electro Harmonix
https://www.ehx.com
info@ehx.com
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A Booster in the Lineage of an Electro-Harmonix Classic
The LPB-3 is rooted in Electro-Harmonix's DNA by carrying forward the spirit of the effect that helped launch the brand in the late 1960s: the LPB-1, a booster that became a reference for waking up an amp and thickening a guitar tone. Here, the concept goes further: beyond the available gain, the addition of an active equalizer and specific work on dynamic headroom make it a modern tool, as much "musical" as practical, to adapt your sound on the fly.
For Whom, Which Styles, and In What Contexts?
The LPB-3 targets guitarists who want to control their volume and presence without multiplying pedals: blues, rock, indie, pop, hard rock, up to heavier contexts where you need to cut through the mix. It is particularly effective for musicians who alternate between rhythm and solos, or who switch guitars on stage.
In the studio, it becomes an excellent "corrector": you can compensate for a slightly dark take, highlight the attack, or conversely soften harshness in the mids before going into a preamp or amp. On a pedalboard, it works equally well at the beginning of the chain to push subsequent stages, or at the end of the chain for a true volume boost (depending on how your amp reacts).
Technical specifications
| Effects | EQ, Boost | Type | sector |
| Format | Pedal | Use | electric guitar |
| EQ | Parametric | Color | White |
| Type of effect | linear boost (booster) | Rails | high voltage |
| Maximum gain | 33 dB | Inspired by the effect that launched Electro-Harmonix in 1968 | the LPB-1 (power amplifier) |
| Equalizer | active | Required power supply | 9.6 VDC |
| MIDS section | parametric | Power consumption | 200 mA |
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Questions frequently asked
What power supply is required for the Electro-Harmonix LPB-3 Power Booster?
A 9.6 VDC power supply is required, with a current consumption of 200 mA.
Does the LPB-3 allow adjustment of the mids for a solo?
The parametric MIDS section targets a specific midrange frequency area. It enables emphasizing a solo's projection or lightening a rhythm part. The active EQ affects presence beyond just the boost level.
Where should this booster be placed in a pedal chain?
At the start of the chain, the pedal can drive the following stages and the amplifier input. At the end of the chain, it can boost the output level depending on the amplifier's response.
Can the LPB-3 remain transparent at low gain?
Thanks to its linear boost and high voltage rails, this model can provide a level lift with increased presence. At high settings, it can push the amplifier input towards saturation.
What inspired the LPB-3?
Its design follows the spirit of the LPB-1, the effect that launched Electro-Harmonix in 1968, adding a parametric active equalizer.
