SOURCE AUDIO Soundblox Pro Poly-Mod Filter Pedal

SOURCE AUDIO Soundblox Pro Poly-Mod Filter Pedal

SOURCE AUDIO Soundblox Pro Poly-Mod Filter Pedal

B&H # SOSA144 MFR # SA144
SOURCE AUDIO Soundblox Pro Poly-Mod Filter Pedal

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Product Highlights

  • 23 Envelope Filters & Phasers in 1 Pedal
  • Sweep, Frequency, Speed & Mix Controls
  • LFO, Envelope Follower, or EXT Control
  • 7-Band Graphic EQ & EQ Only Mode
  • 56-Bit DSP with 24-Bit AD/DA
  • 6 User-Assignable Preset Slots
  • 1/4" TRS Expression Pedal Jack
  • MIDI & Hot Hand Compatible
  • Active Analog Bypass
  • Included 9 VDC Power Supply
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This item is noncancelable and nonreturnable.

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SOURCE AUDIO Poly-Mod Filter Overview

  • 1Description

Intended for electric guitar and electric keyboard, the Soundblox Pro Poly-Mod Envelope Filter from Source Audio provides 23 different envelope filter effects. It gives you a variety of 2-pole and 4-pole low-pass options, as well as single peak filters, triple peak, peak/notch, and anything else that could fulfill your filtering needs—be they envelope, wah, or more dubstep in nature. Also included is a no-frills 7-band EQ, for tonal shaping without moving, modulating frequencies.

A slew of controls is offered to encourage much in the way of experimentation. For instance, in addition to knobs affecting the sweep range, attack/decay speed, and center frequency, you’ll discover loads of secondary controls over LFO shapes, Q levels, customized expression pedal routing, and more. Combine the level of control with a 7-band equalizer and 6 user-assignable presets, and you’ll find yourself with a very flexible effects processor indeed.

Note that there are multiple methods for controlling effects, including an envelope follower, a low-frequency oscillator (complete with tap tempo option), or various types of external control. For example, you can plug an expression pedal into its TRS input to manipulate filters as you would a wah pedal. You can also manipulate various secondary functions externally. MIDI control is also possible via a standard 5-pin DIN connection.

Then you have a quirky method of manipulation sure to pique your fancy: Hot Hand control. The Hot Hand technology provided by Source Audio lets you smoothly control parameters of the pedal through its onboard sensor and a corresponding two-axis accelerometer that you can wear like a ring. In essence, by changing the position of your hand, you can modulate parameters of the pedal in a fluid fashion. Also, a sensor output is built into the pedal to facilitate the daisy-chaining of other Hot Hand enabled pedals, giving you one ring to rule them all (your pedals, that is).

All the effects are achieved digitally, via the pedal’s 56-bit DSP architecture, and utilizing 24-bit conversion stages at the AD and DA stages to preserve signal integrity as your audio travels through the pedal. A 9 VDC power supply is provided with the unit.

Key Features at a Glance
Features 23 types of envelope filter and phaser effects.

Provides a flexible envelope follower with multiple sweep and speed control options.

Proprietary 56-bit Digital Signal Processor and industry-standard 24-bit converters.

LO-RETAIN mixing algorithm carefully preserves the lowest frequencies.

6 Easy-to-configure user presets in two banks selectable via 3 footswitches for quick access to favorite sounds.

7-Band equalizer for in-depth tone control, storable per preset.

Filter effects can be modulated with an envelope follower, an LFO (low-frequency oscillator), an expression pedal, or Source Audio’s patented Hot Hand Motion Control sensor ring.

A second level of control functions called “Backpage Parameters” proves access to different LFO shapes, Q levels, and customized expression pedal routing.

Bypass is fully routed around the DSP.

Active input ensures zero signal degradation.

Controls at a Glance
SWEEP RANGE Knob: In Envelope and Hot Hand modes, the Sweep Range knob controls the direction and breadth of the filter sweep. The right side of the knob (labeled UP) adjusts the breadth of the upward sweep, adding greater range as you turn the knob clockwise. The left side of the knob (labeled DOWN) adjusts the breadth of the downward sweep, adding greater range as you turn the knob counterclockwise. In LFO mode the knob also controls the depth of the upward and downward sweep, but keep in mind that symmetric LFO shapes (i.e. sine, square, 6- and 8-step triangle, and random) will sound the same in either sweep direction. Conversely, non-symmetrical LFO shapes (i.e. rising saw and step sequences) will sound very different, depending on the direction of the sweep.

FREQUENCY Knob: The Frequency knob sets the center frequency of the filter sweep in all modulation modes. Turning the knob counterclockwise will result in the filter moving over lower frequencies for an overall darker sound. Turning the knob clockwise will result in the filter sweep moving over higher frequencies for a brighter sound.

SPEED Knob: The Speed knob controls the attack and decay time of the envelope follower, or the rate of the LFO, depending on the mode. In Envelope mode, the range of the speed control is divided into two parts. Turn the knob to the left of 12 o’clock to adjust both the attack and decay times—as the knob is turned counterclockwise both will slow down equally. Turn the knob to the right of 12 o'clock and the attack will stay fixed at its fastest setting while the decay time gets slower. In Hot Hand mode, this knob controls the sensitivity of the motion sensor and selects which axis of the sensor will be used.

MIX Knob: The Mix knob adjusts the ratio of dry to wet signal. This knob is also divided into two halves. Setting the Mix knob to 12 o’clock results in a 100% dry signal. Turning the knob to the right of 12 o’clock increases the amount of wet signal while decreasing the dry. The right most position results in a 100% wet signal. Turning the Mix knob left of 12 o’clock increases the amount of wet signal using LO-RETAIN (a kind of high-cut filter on the dry sound) to preserve more of the low-end frequencies.

EFFECT Knob: The Effect knob selects which filter type will be used. There are 23 effect positions (0 through 22) around the knob as well as a setting for EQ ONLY. In EQ ONLY mode, the envelope-filter effect is bypassed but the equalizer still applies.

EQ SECTION Knob: The Equalizer knob changes the value of the selected band up or down in 1 dB steps.

EQ BAND SELECT Buttons: The two buttons on either side of the EQ knob select the frequency band to edit.

PRESET BANK Button: These two buttons select between your bank of presets. Choose between Preset bank A (Presets 1, 2, and 3) or B (Presets 4, 5, and 6).

MOD SOURCE Button: Pressing this button selects between the three choices of modulation source: Envelope, LFO, and Hot Hand. When Hot Hand is selected as the modulation source, press and hold the MOD SOURCE button to start the Hot Hand Calibration procedure.

TAP TEMPO ENABLE Button: When LFO is selected as the modulation source, press this button to enable Tap Tempo Mode. The rightmost footswitch will be converted to a tap tempo control. Press the TAP TEMPO MODE button again to disable tap tempo. Tap tempo only applies in LFO mode.

PRESET SELECT / ENGAGE Footswitch: There are three footswitches on the Poly-Mod Pro. From left to right, the footswitches correspond to Presets 1, 2, and 3 for Preset Bank A, and 4, 5, and 6 for Bank B. Pressing any of the buttons will engage a given preset. Pressing the footswitch for the currently engaged effect will put the unit into bypass mode. Pressing another switch will engage the corresponding preset without going into bypass.

In the Box
SOURCE AUDIO Soundblox Pro Poly-Mod Filter Pedal
  • DC Power Supply
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    SOURCE AUDIO Poly-Mod Filter Specs

    I/O 1 x 1/4" Instrument input, phone type
    1 x 1/4" Expression input, phone type
    1 x 5-Pin DIN MIDI input
    1 x 3.5 mm Sensor input
    1 x 3.5 mm Sensor output
    1 x 1/4" Instrument output, phone type
    Controls SWEEP RANGE knob
    FREQUENCY knob
    SPEED knob
    MIX knob
    EFFECT knob
    EQ SECTION knob
    EQ BAND SELECT button (x2)
    PRESET BANK button
    MOD SOURCE button
    PRESET SELECT / ENGAGE footswitch (x3)
    Dynamic Range ADC 115 dB
    DSP 56-bit digital data path
    AD/DA Conversion 24-bit
    Power 110 mA at 9 VDC (max 145 mA with Hot Hand Wireless Adapter)
    Dimensions (L x W x H) 7.0 x 6.0 x 2.1" / 17.8 x 15.2 x 5.4 cm
    Weight 1.8 lb / 0.8 kg

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