Source Audio SA144 Manuale utente

POLY-MOD FILTER

USER’S GUIDE

SA144

WELCOME

Thank you for purchasing the Soundblox Pro Poly-Mod

Filter. The Poly-Mod Pro is a highly ﬂexible envelope ﬁlter

effect unit specially optimized for the guitar. With 23 indi-

vidual ﬁlter types, the Poly-Mod Pro contains a wide range

of sounds, from traditional ﬁlter effects to advanced &

unique ﬁlter sounds.

The Poly-Mod Pro offers a unique and useful variety of

control options. The unit functions as either an envelope

follower or an LFO (Low Frequency Oscillator) driven ﬁlter,

but is also controllable with a standard expression pedal or

our patented Hot Hand® motion sensor ring.

The Quick Start guide will help you with the basics. For

more in-depth information about the Poly-Mod Pro, move

on to the following sections.

Enjoy!

The Source Audio team

OVERVIEW

DIVERSE SOUND PALETTE

Featuring 23 types of envelope ﬁlter and phaser effects.

FLEXIBLE ENVELOPE CONTROL

A highly optimized envelope follower with multiple sweep and speed

control options.

MODERN DESIGN

A thoughtfully designed box which features rugged construction and

sleek looks.

STATE-OF-THE-ART DSP

Our proprietary 56-bit Digital Signal Processor, the SA601, and crystal

clear 24-bit converters.

LO-RETAIN

Our unique mixing algorithm carefully preserves the lowest frequencies.

6 USER PRESETS

Easy to conﬁgure user presets in two banks selectable via 3 footswitches

for quick access to your favorite sounds.

7-BAND EQUALIZER

Ultra-precise 7-band equalizer for in-depth tone control saved per preset.

FILTER CONTROL

The ﬁlter effects can be modulated with an envelope follower, an LFO

(low frequency oscillator), expression pedal, or our patented Hot Hand

Motion Control sensor ring.

BACKPAGE PARAMETERS

A second level of control functions, providing access to different LFO

shapes, Q levels, customized expression pedal routing.

ACTIVE ANALOG BYPASS

Bypass is fully routed around the DSP and active input ensures zero

signal degradation.

QUICK START

1. POWER

To power the unit, connect the included DC adapter power supply to

the 9V DC jack (A) on the back panel. Note: Using a different supply

could damage the unit and void the warranty.

2. GUITAR/AUDIO CONNECTIONS

Next, plug your guitar (or other instrument) into the jack labeled

GUITAR IN (B) via a standard ¼" cable. Connect your amp (or other audio

device) to the GUITAR OUT jack (C), again with a standard ¼" cable.

Both input and output are mono signals.

3. SENSOR IN (optional)

To use your Poly-Mod Pro with a Hot Hand sensor, connect the sensor

to the SENSOR IN (D) jack and follow any instructions given with the

sensor

4. BRIEF KNOB AND PEDAL DESCRIPTIONS

See Controls section for more details.

A EFFECT: selects desired ﬁlter type

B SWEEP RANGE: adjusts the direction (up/down) and breadth of the

ﬁlter sweep or the depth of the LFO and Hot Hand modulation.

C FREQUENCY: adjusts the center frequency of the ﬁlter

4 | Quick Start

SENSOR

OUT

GUITAR IN GUITAR OUT

9V DC

EXP IN

MIDI IN

Quick Start | 5

D SPEED: Controls the attack and decay speed of the envelope fol-

lower, the LFO speed, or the motion-sensitivity of the Hot Hand.

E MIX: adjusts the ratio of clean to wet signals.

F PRESET BANK BUTTON: select preset bank A (presets 1, 2, and 3) or

B (presets 4, 5, and 6).

G MOD SOURCE: selects between ENVELOPE, LFO, and HOT HAND as

the modulation source for the ﬁlter effect.

H TAP TEMPO ENABLE: Enables a tap tempo function for use with the

LFO.

I EQ SECTION: the two buttons select the frequency band to edit and

the knob adjusts the value of the selected band.

J FOOTSWITCHES: Enables/Disables a selected preset depending

on the currently selected preset bank. Press and hold to save an

edited preset. The switch to the far right also sets the tap tempo.

09 10 11 12 13

EQ ONLY

2 POLE LOW PASS

4 POLE LOW PASS SINGLE PEAK

TRIPLE PEAK

PEAK & NOTCH

PHASERS

125 250 500 1K 2K

(XD) (XC) (OE) (VA) (Q) (EL) (LS)

4K 8K

+12

-12

< >

MOD

SOURCE

TAP TEMPO

ENABLE

PRESET BANK

4-61-3 (HOLD)

CALIBRATE

BACKPAGE

MODE

ENVELOPE

LFO

HOT HAND

USER

00 22

SWEEP RANGE SPEED

FREQUENCY MIX

FAST FAST

SLOW SLOW

WET

DRY

WET

DECAY

X-AXIS

ATTACK

& DECAY

Y-AXIS

HOT

HAND

LFO

MINMIN

DOWN UP

MAX MAX

POLY-MOD FILTER

(TAP TEMPO)

B D

6 | Features

FEATURES

The Soundblox Pro Poly-Mod Filter is a very ﬂexible envelope ﬁlter effect.

The unit features multiple ﬁlter types ranging from simple to complex,

which can all be controlled by an Envelope Follower, an LFO (Low-Fre-

quency Oscillator), the Hot Hand Motion Sensor or an Expression Pedal.

An Envelope Follower is an algorithm that responds to the amplitude (or

volume) of the incoming signal and creates a control signal based on the

input level. This control signal is used to modulate the ﬁlter to create an

auto-wah effect. (Note: The envelope follower signal can be reset to zero

between notes by a very brief moment of silence, allowing the next note

played to experience the full sweep of the ﬁlter effect all the way from its

starting point)

An LFO (low frequency oscillator) is an electronic signal that uses a

rhythmic pulse or sweep to create a control signal. This control signal is

used to modulate the ﬁlters of the Poly-Mod Pro to create an oscillating

ﬁlter or sequencer-like effect. The Poly-Mod Pro also features a variety

of LFO shapes including sine, square, saw, step and triangle, each of

which can dramatically change the sound of the effect.

The Hot Hand Motion Sensor uses data from an accelerometer placed

inside a wearable ring to modulate the ﬁlters of the Poly-Mod Pro. Either

a wired or wireless sensor can be plugged into the sensor input on the

back panel. After the sensor is plugged in, use the MOD SOURCE button

to select “Hot Hand Mode”. At this point the controls take on slightly dif-

ferent functions. Note that the calibrate feature is intended for use with

the “Hot Hand Mode” only.

An Expression Pedal can be used to control a variety of selectable pa-

rameters in the Poly-Mod Pro including direct ﬁlter modulation like a

standard wah pedal.

The Poly-Mod Pro features LO-RETAIN, an algorithm that alleviates the

issue of low-end “tone suck.”

Connections | 7

CONNECTIONS

GUITAR IN

Connect your guitar or other instrument here using a standard MONO

¼" cable.

GUITAR OUT

Connect this to your amp, pedal, or other audio device.

EXPRESSION IN (optional)

Connect a passive expression pedal that uses a TRS plug here. The

expression pedal is assignable to a variety of parameters.

SENSOR IN (optional)

Connect an optional Hot Hand sensor here, either wired or wireless.

SENSOR OUT (optional)

Use a Source Audio daisy-chain cable to connect this jack to the sensor

input of another pedal.

MIDI IN (optional)

MIDI program and continuous control input. Connect to a MIDI output

with a standard MIDI cable. Can also be used to sync the LFO with a MIDI

clock.

9V DC

Connect the included 9 Volt DC power supply here. Use of a non-Source

Audio power supply may cause damage and void the warranty.

SENSOR

OUT

GUITAR IN GUITAR OUT

9V DC

EXP IN

MIDI IN

CONTROLS: KNOBS

EFFECT (not labeled)

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 the EQ ONLY mode, the envelope ﬁlter effect is bypassed but the

equalizer still applies. For information on the individual settings see the

Effect Types section.

SWEEP RANGE

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.

09 10 11 12 13

EQ ONLY

2 POLE LOW PASS

4 POLE LOW PASS SINGLE PEAK

TRIPLE PEAK

PEAK & NOTCH

PHASERS

00 22

8 | Controls: Knobs

SWEEP RANGE

HOT

HAND

MINMIN

DOWN UP

MAX MAX

FREQUENCY

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 a darker sound. Turning the knob

clockwise will result in the ﬁlter sweep moving over higher frequencies

for a brighter sound.

SPEED

The Speed knob controls the attack and decay time of the envelope

follower or the rate of the LFO. 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 counter-

clockwise 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 sensitiv-

ity of the motion sensor and selects which axis of the sensor will be used.

MIX

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 to preserve more

of the low-end frequencies.

Controls: Knobs | 9

FREQUENCY

SPEED

FAST FAST

SLOW SLOW

DECAY

X-AXIS

ATTACK

& DECAY

Y-AXIS

LFO

MIX

WET

DRY

WET

10 | Controls: Equalizer

CONTROLS: EQUALIZER

One of the key features of the Poly-Mod Pro is the 7-band graphic equal-

izer. Each band can be adjusted up or down in 1 dB steps from -12 dB

to +12 dB. The display shows 1 dB steps by lighting adjacent LEDs with

varying brightness. The factory default places the EQ after the MIX control

applying the EQ to both the wet and dry signals. Alternatively, a special

Backpage parameter (See Backpages instructions) offers the option

of placing the EQ on just the wet signal. Another Backpage parameter

extends the EQ by an octave and allows access to the adjustment of one

additional high frequency band (8K). The equalizer section has three

controls:

BAND SELECT LEFT and RIGHT

The two buttons on either side of the EQ knob select the frequency band

to edit.

EQ knob

The equalizer knob changes the value of the selected band up or down in

1 dB steps.

Tip: You can quickly and easily zero the equalizer by pressing both left

and right band select buttons at the same time. The equalizer display

will reset to a default “ﬂat” setting.

125 250 500 1K 2K

(XD) (XC) (OE) (VA) (Q) (EL) (LS)

4K 8K

+12

-12

< >

USER

Band Select RightBand Select Left

EQ Knob

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