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Eurorack + Modular
Synthesizers + Keyboards
Pedals + Effects
Studio + Recording
Controllers + Sequencing
![Sequential Prophet 12 Hybrid Synthesizer Desktop Module [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Prophet_12_Module_U23-38891_01.webp "Sequential Prophet 12 Hybrid Synthesizer Desktop Module [USED]")
![Random Source Haible TAU Phaser [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/R/a/RandomSource_Haible_TAU_Phaser_U23-40130_01.webp "Random Source Haible TAU Phaser [USED]")
![Doepfer A-160-1 Clock + Trigger Divider [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-160-1_Clock___Trigger_Divider_U23-40090_01.webp "Doepfer A-160-1 Clock + Trigger Divider [USED]")
![Doepfer A-151V Quad Sequential Switch (Vintage Edition) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-151v_Quad_Sequential_Switch_-_Vintage_Edition_U23-40091_01.webp "Doepfer A-151V Quad Sequential Switch (Vintage Edition) [USED]")
![Doepfer A-130-2 Dual Lin/Exp VCA (Slim Line) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-130-2_Dual_lin_Exp_VCA_Slim_Line_U23-39887_01.webp "Doepfer A-130-2 Dual Lin/Exp VCA (Slim Line) [USED]")
![Doepfer A-110-2 Basic VCO [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-110-2_Basic_VCO_-_Standard_Edition_U23-40082_01.webp "Doepfer A-110-2 Basic VCO [USED]")
![Mutable Instruments Tides V1 Tidal Modulator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Tides_Tidal_Modulator_U23-39738_01.webp "Mutable Instruments Tides V1 Tidal Modulator [USED]")
![Doepfer A-170 Dual Slew Limiter [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-170_Dual_Slew_Limiter_U23-39985_01.webp "Doepfer A-170 Dual Slew Limiter [USED]")
![Doepfer A-137-2 Wave Multiplier II [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-137-2_Wave_Multiplier_II_U23-39951_01.webp "Doepfer A-137-2 Wave Multiplier II [USED]")
![Doepfer A-118 Noise + Random Voltage [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-118_Noise___Random_Voltage_-_Standard_Edition_U23-39984_01.webp "Doepfer A-118 Noise + Random Voltage [USED]")
![Mutable Instruments Frames Multi Function Keyframer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Frames_Multi_Function_Keyframer_U23-39363_01.webp "Mutable Instruments Frames Multi Function Keyframer [USED]")
![Sequential Take 5 Polyphonic Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Take_5_Analog_Polysynth_U23-39343_01.webp "Sequential Take 5 Polyphonic Analog Keyboard Synthesizer [USED]")
![Sequential Prophet Rev2 8-Voice Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Prophet_Rev2_8-Voice_Keyboard_U23-39519_01.webp "Sequential Prophet Rev2 8-Voice Analog Keyboard Synthesizer [USED]")
![Mutable Instruments Ripples 4 Pole Filter V1 [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Ripples_U23-39649_01.webp "Mutable Instruments Ripples 4 Pole Filter V1 [USED]")
![Mutable Instruments Plaits Macro-Oscillator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Plaits_U23-38731_01.webp "Mutable Instruments Plaits Macro-Oscillator [USED]")
![Mutable Instruments Frames Multi Function Keyframer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Frames_Multi_Function_Keyframer_U23-39651_01.webp "Mutable Instruments Frames Multi Function Keyframer [USED]")
![Mutable Instruments Edges Quad Chiptune Audio Generator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Edges_U23-39653_01.webp "Mutable Instruments Edges Quad Chiptune Audio Generator [USED]")
![Mutable Instruments Braids Macro Oscillator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Braids_Macro_Oscillator_U23-39652_01.webp "Mutable Instruments Braids Macro Oscillator [USED]")
![Doepfer A-182-2 Quad Switch (Slim Line) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-182-2_Quad_Switch_Slim_Line_U23-38575_01.webp "Doepfer A-182-2 Quad Switch (Slim Line) [USED]")
![Doepfer A-180-2 Multiples [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-180-2_Multiples_-_Standard_Edition_U23-39543_01.webp "Doepfer A-180-2 Multiples [USED]")
![Doepfer A-124SE VCF5 Wasp Filter (Special Edition) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-124SE_VCF5_Wasp_Filter_Special_Edition_U23-38988_01.webp "Doepfer A-124SE VCF5 Wasp Filter (Special Edition) [USED]")
![Mutable Instruments Blades Dual Multimode Filter [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Blades_Dual_Multimode_Filter_U23-38027_01_1.webp "Mutable Instruments Blades Dual Multimode Filter [USED]")
![API 505-DI 500-Series Direct Input [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/P/API_505_DI_500-Series_DI_U23-39071_01_1.webp "API 505-DI 500-Series Direct Input [USED]")
![Mutable Instruments Warps Algorithmic Modulator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Warps_Algorithmic_Modulator_U23-37995_01.webp "Mutable Instruments Warps Algorithmic Modulator [USED]")
![Mutable Instruments Shelves MK1 4 Band VC Parametric EQ [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Shelves_MKI_U23-38028_01.webp "Mutable Instruments Shelves MK1 4 Band VC Parametric EQ [USED]")
![Mutable Instruments Shades 3 CH Attenuverter Attenuator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Shades_3_CH_Attenuverter_Attenuator_U23-37952_01.webp "Mutable Instruments Shades 3 CH Attenuverter Attenuator [USED]")
![Mutable Instruments Grids Topographic Drum Sequencer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Grids_Topographic_Drum_Sequencer_U23-38025_01.webp "Mutable Instruments Grids Topographic Drum Sequencer [USED]")
![Mutable Instruments Braids Macro Oscillator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Braids_Macro_Oscillator_U23-37989_01.webp "Mutable Instruments Braids Macro Oscillator [USED]")
![Mutable Instruments Blinds Quad Polarizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/u/MutableInstruments_Blinds_Quad_Polarizer_U23-38029_01.webp "Mutable Instruments Blinds Quad Polarizer [USED]")
![Doepfer A-183-9 Quad USB Power Supply [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-183-9_Quad_USB_Power_Supply_U23-38050_01.webp "Doepfer A-183-9 Quad USB Power Supply [USED]")
![Doepfer A-132-3 Dual VCA [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-132-2_Quad_VCA_U23-39024_01.webp "Doepfer A-132-3 Dual VCA [USED]")
![API 505-DI 500-Series Direct Input [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/P/API_505_DI_500-Series_DI_U23-39072_01.webp "API 505-DI 500-Series Direct Input [USED]")
![Doepfer A-185-2 Precision Adder [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-185-2_Precision_Adder_-_Standard_Edition_U23-38920_01.webp "Doepfer A-185-2 Precision Adder [USED]")
![Doepfer A-155 Analog/Trigger Sequencer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-155_Analog_Trigger_Sequencer_-_Standard_Edition_U23-37949_01.webp "Doepfer A-155 Analog/Trigger Sequencer [USED]")
![Doepfer A-110-1V Standard VCO (Vintage Edition) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-110-1V_Standard_VCO_-_Vintage_Edition_U23-38921_01.webp "Doepfer A-110-1V Standard VCO (Vintage Edition) [USED]")
![API 505-DI Direct Input [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/P/API_505-DI_Direct_Input_U23-39428_01.webp "API 505-DI Direct Input [USED]")
![Doepfer A-171-2 Voltage Controlled Slew Processor / Generator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-171-2_VC_Slew_Limiter_-_Standard_Edition_U23-38786_01.webp "Doepfer A-171-2 Voltage Controlled Slew Processor / Generator [USED]")
![Doepfer A-157-3 Trigger Sequencer Control Inputs [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-157-3_U23-39336_01.webp "Doepfer A-157-3 Trigger Sequencer Control Inputs [USED]")
![Doepfer A-157-2 Trigger Sequencer Trigger Outs [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-157-2_U23-39335_01.webp "Doepfer A-157-2 Trigger Sequencer Trigger Outs [USED]")
![Doepfer A-149-2 Digital Random Voltages [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-149-2_Digital_Random_Voltages_U23-39339_01.webp "Doepfer A-149-2 Digital Random Voltages [USED]")
![Doepfer A-149-1 Quantized / Stored Random Voltages [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-149-1_Quantized_Stored_Rnd_Voltages_U23-39340_01.webp "Doepfer A-149-1 Quantized / Stored Random Voltages [USED]")
![Doepfer A-138c Polarizing Mixer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-138c_Polarizing_Mixer_U23-39341_01.webp "Doepfer A-138c Polarizing Mixer [USED]")
![Doepfer A-183-3 Amplifier [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-183-3_Amplifier_U23-38487_01.webp "Doepfer A-183-3 Amplifier [USED]")
![Doepfer A-183-3 Amplifier [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-183-3_Amplifier_U23-38488_01.webp "Doepfer A-183-3 Amplifier [USED]")
![Doepfer A-140V ADSR Envelope Generator (Vintage Edition) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-140V_ADSR_Envelope_Generator_-_Vintage_Edition_U23-39323_01.webp "Doepfer A-140V ADSR Envelope Generator (Vintage Edition) [USED]")
![Doepfer A-130-8 Octal Linear VCA [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-130-8_Octal_Linear_VCA_U23-38483_01.webp "Doepfer A-130-8 Octal Linear VCA [USED]")
![Random Source Wave Multipliers + Resonant Equalizer 4x4 (Serge 4U) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/R/a/RandomSource_Serge_Wave_Mulitpliers_VCM_U23-39186_01.webp "Random Source Wave Multipliers + Resonant Equalizer 4x4 (Serge 4U) [USED]")
![Random Source Divide and Compare 4x4 (Serge 4U) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/R/a/RandomSource_Serge_Divide_and_Compare_4U_U23-39163_01.webp "Random Source Divide and Compare 4x4 (Serge 4U) [USED]")
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High quality used electronic music gear—100% guaranteed. If you're looking for a great deal on a lightly used synth, electronic instruments, or other music equipment, you're in the right place.
Our selection of used gear runs the gamut: rare Eurorack modules, boutique effects pedals, vintage synthesizers and drum machines, professional studio gear, and much more. All of our used and vintage gear is 100% guaranteed to be fully functional, so you can buy with confidence. Plus, we offer financing and the option for free shipping on most orders.
We're constantly updating our used inventory—so keep your eyes here to see the latest additions!
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