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Pro 3 Multi-filter Monosynth
Product Guide / Price Advisor

Used Sequential Pro 3 Multi-filter Monosynth

Product Guide for the Sequential Pro3

Brand Sequential

Category Synthesizers

Type Keyboard Synthesizer with Sequencer

Analog/Digital Hybrid

Number of Keys 37

Type of Keys Semi-weighted, Full Size

Aftertouch Yes

Velocity Sensitive Yes

Other Controllers Pitchbend, Mod wheel, Touch Slider

Polyphony Monophonic, 3-voice Paraphonic

Presets 512 x User Programs, 512 x Factory, 32-slot Modulation Matrix

Oscillators 2 x Analog VCO, 1 x Digital Wavetable Oscillator

Waveforms VCO: Triangle, Sawtooth, Pulse ; Digital Wavetable: 32 x Digital Wavetables of 16 Waves each, classic Wave Shapes, Super Saw

LFO 3 x Syncable LFO (triangle, saw, reverse saw, square, S&H)

Filter 4-pole 24dB Prophet 6 Lowpass, 4-pole 24dB Tranistor Ladder, 2-pole 12dB OB-6 State-variable

Envelope Generator 4 x ADSR with Delay, Repeat/Loop

Effects Types Delay, Reverb, Chorus, Flange, Phase, Distortion, Rotary Speaker

Arpeggiator Up, Down, Up+Down, Random

Sequencer 16-track, 4 x Linkable 16-step Phrases, 3 x Modes (normal, gated, trigger), Multiple Playback Modes

Audio Inputs 1 x 1/4"

Audio Outputs 2 x 1/4" (L/R)

Headphones 1 x 1/4"

USB 1 x Type B

MIDI I/O In, 2 x Out, Thru, USB

Pedal Inputs 1 x 1/4" (sustain), 1 x 1/4" (expression)

Other I/O 4 x CV in, 4 x CV out, 1 x Gate out

Mod Matrix 32 Slots, 46 Sources, 171 Destinations

Power Source Standard IEC AC cable

Height 3.5"

Width 26.5"

Depth 13"

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Product Reviews from Sweetwater.com

What is my used Sequential Pro 3 Multi-filter Monosynth worth?

The Gear Exchange Price Advisor helps musicians determine how much their used Sequential Pro 3 Multi-filter Monosynth is worth in today’s market. Using aggregated marketplace sales data from Gear Exchange alongside Sweetwater’s comprehensive product and pricing insights, this tool evaluates dozens of data points to recommend a fair and competitive used price for Keyboards & Synthesizers, including Synthesizers.

Rather than relying solely on averages, the Price Advisor considers current demand, available inventory, rarity, historical pricing trends, and new retail conditions specific to the Sequential Pro 3 Multi-filter Monosynth. The result is a pricing recommendation grounded in real market behavior—giving sellers confidence when listing their gear and buyers a clearer view of true market value.

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