Electro-harmonix Lpb-3 Power Booster Pedal
- Product Code: eq166524
-
Taking a 1968 classic and giving it a modern makeover, the LPB-3 Linear Power Booster from Electro-Harmonix is a versatile boost pedal that offers up to 33 dB of clean gain. Combined with an active 3-band EQ with fully parametric mid level and frequency controls, you can deftly sculpt your tones and provide the right amount of gain for any application.
Along with adjustable mid level and frequency, you can select a wide or narrow Q (Low/High switch) for the Mid frequency control, offering powerful tonal shaping to cut through any mix. You can select between a maximum of 20 dB boost for dynamics or 30 dB boost for driving preamps to saturation. Pre-Gain lets you control gain levels before the EQ circuitry. And with a high internal operating voltage of ±15V, you get increased headroom, ensuring even more detail in your tone hits your amp, DAW, or PA system with utter clarity. The LPB-3 includes a 9V power supply.
Up to 33 dB of Clean Gain Boosting Active 3-Band EQ Parametric Mids to Cut Through Mixes Selectable High or Low Q for Mids ±15V Internal Voltage Increases Headroom True or Buffered Bypass Pre-Gain Control Selectable 20 or 30 dB Max Boost Switch Inspired by Original 1968 LPB-1 Includes 9V Power Supply
General | |
---|---|
Audio Circuit Type | Analog |
Buffer | Buffered or True Bypass |
Input Impedance | 1 Megohm |
Output Impedance | 660 Ohms |
Maximum Input Level | +20 dBu |
Maximum Output Level | +22 dBu |
Controls | 3 x Rotary Knob (Boost, Mid Lvl, Mid Freq, Bass, Treble, and Pre-Gain) 2 x 2-Way Switch (Max Boost and Q) 1 x Footswitch (On/Bypass) 1 x Sliding Switch (Buffered/True Bypass) |
Inputs / Outputs | |
Audio I/O | 1x 1/4" TS Hi-Z/Instrument Input 1x 1/4" TS Line Output |
Power | |
Power Source | AC Adapter with Power Brick (Included) |
DC Input Power | 9 VDC at 120 mA |
Operating Current | 120 mA (Typical) |
Physical | |
Color | Gray / Blue |
Material of Construction | Metal |
Dimensions | 4.5 x 2.75 x 2.1" / 11.4 x 6.99 x 5.3 cm |
Weight | Not Specified by Manufacturer |
Packaging Info | |
Package Weight | 1.3 lb |
Box Dimensions (LxWxH) | 6.8 x 5.9 x 3.2" |
The LPB3 sports 3-band active EQ with fully parametric mids for precision tone shaping.
- Treble knob boosts or cuts frequencies above 3.2 kHz
- Bass knob accentuates or attenuates frequencies below 240 Hz
- Mids frequency knob sweeps cleanly from 240 Hz to 3.3 kHz
- 2-way Q switch sets the resonance (or bandwidth) of the Mid EQ, with Low offering a broad Q and High providing a more narrow band for a more peak-like sound
A sliding switch under the bottom cover allows you to select true bypass (left position) or buffered bypass (right position). With true bypass, your tone remains uncolored and pure as it is passed directly from the input to the output. With buffered bypass, your signal is passed through a high-quality op-amp before reaching the output, injecting a small amount of warm color but also boosting your signal integrity for long cable runs or complex pedalboard configurations.
While most guitar pedals operate internally at the same voltage as their power input (9V), the LPB-3 boosts internal rail voltage to ±15V. This higher voltage allows the peaks and valleys of the voltage range to be greater, ensuring higher headroom and detail of signal amplitude before it is approximated at the amp input. In essence, this allows more dynamics and more detail of your tone to successfully arrive at it's destination, providing a greater sense of volume with a less compressed sound when driven.
Related Questions and Answers
Q: 1. Are the two outlets one normally on and the other one normally off, each switched by the timer?
A: That is exaclty right. the safelight is on and the enlarger turns on and off when the timer is going or you can turn the enlarger on to focus by using the focus switch at the top of the timer.
Q: 2. Does this require phantom power to run? And can it pass phantom power on to, say, a condenser mic?
A: This does require phantom power to run, however it will not pass phantom power. The booster is intended for use with dynamic and ribbon mics.
Q: 3. will it fit on a canon 7d,40d pop-up flash
A: Yes that Flash booster will work on the Canon 7D and 40D.
Q: 4. Will the Astra 1x1 and a collapsible softbox attachment fit in this bag?
A: I have a Lite Panel 1x1 and it fits. There's a front pocket that I put a diffusion cloth into. It's actually a pretty big pocket, and if you give me the dimensions of your folded up softbox, I'll see if it fits in there.Ron
Q: 5. Does it further improve auto focus performance? or is it the same as in-camera boost mode?
A: It's slightly better autofocus. Fuji's detailed page explains the precise differences. Shooting interval goes from 0.19 sec. to 0.17 sec., shutter lag from 0.05 sec. to 0.045 sec., blackout time from 130msec. to 114msec., and finally high speed shooting goes from 8 fps to 11 fps.In practice the difference if fairly minimal.
Q: 6. Will this work with the new XT-4?
A: It won't. The grip for the XT4 is this one. https://www.bhphotovideo.com/c/product/1548397-REG/fujifilm_16651332_vg_xt4_vertical_battery_grip.html
Q: 7. What's the weight (either with or without batteries)?
A: The item is so new that at this time Fujifilm does not list the weight. My guess is without batteries it is about 0.5 lb.
Q: 8. I'm assuming that a ball head quick release plate will screw onto the bottom? What are the limitations?
A: I use quick release plates on mine all the time. Balance can be a little odd but nothing unusual. The only real issue is the flexing of the the plastic portion that surrounds the side of the camera. As others have noted it has a gap. Feels funky but really is not an issue. It is a good product.
Q: 9. Will this fit 3 Litepanels Astra 1000 1x1 panels, as it claims?
A: Yes this bag can accommodate 3 Litepanels Astra units.
Q: 10. What is the difference in brightness if running on a 15amp plug compared to a 20 amp plug?
A: The Aputure Electro Storm CS15 RGB LED Monolight can be powered from some household circuits. The CS15 requires more than 110v/15a to operate at full power so in the US, there are multiple cables available. A 20a Edison connector will allow full power and a 15a Edison plug will inform the Control Box to automatically limit power draw. There is no information about the exact output using a 15a plug.
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