Eurorack + Modular
Synthesizers + Keyboards
Pedals + Effects
Studio + Recording
Controllers + Sequencing
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!

![Doepfer A-174-1 Joy Stick [USED] Doepfer A-174-1 Joy Stick [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-174-1_Joy_Stick_U23-38684_01.webp)
![Doepfer A-143-3 Quad LFO [USED] Doepfer A-143-3 Quad LFO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-143-3_Quad_LFO_U23-38674_01.webp)
![Doepfer A-118 Noise + Random Voltage [USED] Doepfer A-118 Noise + Random Voltage [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-118_Noise___Random_Voltage_-_Standard_Edition_U23-38673_01.webp)
![Behringer UMC1820 Rack Mount USB Audio Interface [USED] Behringer UMC1820 Rack Mount USB Audio Interface [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/e/Behringer_U-Phoria_UMC1820_USB_Audio_Interface_U23-38327_01.webp)
![Behringer Neutron Analog Semi-Modular Synthesizer [USED] Behringer Neutron Analog Semi-Modular Synthesizer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/e/Behringer_Neutron_U23-38364_01.webp)
![Behringer MS-1-RD Analog Synthesizer (Red) [USED] Behringer MS-1-RD Analog Synthesizer (Red) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/e/Behringer_MS-1_MKI-RD_Analog_Monophonic_Synthesizer_U23-38696_01.webp)
![Behringer FOUR LFO Quad LFO [USED] Behringer FOUR LFO Quad LFO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/e/Behringer_FOUR_LFO_Quad_LFO_U23-38431_01.webp)
![Behringer 110 VCO / VCF / VCA [USED] Behringer 110 VCO / VCF / VCA [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/e/Behringer_SYSTEM_100_Analog_Modular_Synthesizer_System_U23-38432_01.webp)
![Doepfer LMK2+ MIDI Master Keyboard [USED] Doepfer LMK2+ MIDI Master Keyboard [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_DOLM28noPS_LMK2___Keyboard_Black_U23-36739_01.webp)
![Doepfer Dark Energy Semi-Modular Synthesizer [USED] Doepfer Dark Energy Semi-Modular Synthesizer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_Dark_Energy_U23-37174_01.webp)
![Doepfer A-137-1 Wave Multiplier I [USED] Doepfer A-137-1 Wave Multiplier I [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-137-1_Wave_Multiplier_I_U23-38307_01.webp)
![Doepfer A-100 G6 Rackmountable Eurorack Case - 6U / 84HP [USED] Doepfer A-100 G6 Rackmountable Eurorack Case - 6U / 84HP [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-100_G6_Rackmountable_Case_-_6U_w__IEC_Cable_U23-38259_01.webp)
![DigiTech FS300 Triple Footswitch [USED] DigiTech FS300 Triple Footswitch [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_FS300_U23-37271_01.webp)
![Behringer JT-4000M MICRO 4-Voice Hybrid Synthesizer [USED] Behringer JT-4000M MICRO 4-Voice Hybrid Synthesizer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/e/Behringer_JT-4000M_MICRO_Portable_4-Voice_Hybrid_Synthesizer_U23-38332_01.webp)
![Doepfer A-151 Quad Sequential Switch [USED] Doepfer A-151 Quad Sequential Switch [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-151_Quad_Sequential_Switch_-_Standard_Edition_U23-38397_01_19.webp)
![Doepfer A-145 LFO [USED] Doepfer A-145 LFO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-145_LFO_U23-38256_01_17.webp)
![Doepfer A-140 ADSR Envelope Generator [USED] Doepfer A-140 ADSR Envelope Generator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-140-1_ADSR_Envelope_Generator_-_Standard_Edition_U23-38245_01_17.webp)
![Doepfer A-140 ADSR Envelope Generator [USED] Doepfer A-140 ADSR Envelope Generator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-140-1_ADSR_Envelope_Generator_-_Standard_Edition_U23-38246_01_16.webp)
![Doepfer A-138s Mini Stereo Mixer [USED] Doepfer A-138s Mini Stereo Mixer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-138s_Mini_Stereo_Mixer_-_Standard_Edition_U23-38247_01_15.webp)
![Doepfer A-138n Narrow Mixer (Slim Line) [USED] Doepfer A-138n Narrow Mixer (Slim Line) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-138n_Mixer_Slim_Line_-_Standard_Edition_U23-38396_01_14.webp)
![Doepfer A-160-1 Clock + Trigger Divider [USED] Doepfer A-160-1 Clock + Trigger Divider [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-160-1_Clock___Trigger_Divider_U23-38249_01_13.webp)
![Doepfer A-138b Exponential Mixer [USED] Doepfer A-138b Exponential Mixer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-138b_Exponential_Mixer_-_Standard_Edition_U23-38242_01_11.webp)
![Doepfer A-161 Clock / Trigger Sequencer [USED] Doepfer A-161 Clock / Trigger Sequencer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-161_Clock___Trigger_Sequencer_U23-38250_01_9.webp)
![Doepfer A-138sV Mini Stereo Mixer (Vintage Edition) [USED] Doepfer A-138sV Mini Stereo Mixer (Vintage Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-138sv_Mini_Stereo_Mixer_-_Vintage_Edition_U23-37377_01_9.webp)
![Doepfer A-118 Noise + Random Voltage [USED] Doepfer A-118 Noise + Random Voltage [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-118_Noise___Random_Voltage_-_Standard_Edition_U23-38253_01_9.webp)
![Doepfer A-110-2 Basic VCO [USED] Doepfer A-110-2 Basic VCO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-110-2_Basic_VCO_-_Standard_Edition_U23-38237_01_9.webp)
![Doepfer A-148 Dual S&H [USED] Doepfer A-148 Dual S&H [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-148_Dual_S_H_T_H_-_Standard_Edition_U23-38241_01_8.webp)
![Doepfer A-110-2 Basic VCO [USED] Doepfer A-110-2 Basic VCO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-110-2_Basic_VCO_-_Standard_Edition_U23-38238_01_8.webp)
![Doepfer A-180-2 Multiples [USED] Doepfer A-180-2 Multiples [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-180-2_Multiples_-_Standard_Edition_U23-38236_01_7.webp)
![Doepfer A-140V ADSR Envelope Generator (Vintage Edition) [USED] Doepfer A-140V ADSR Envelope Generator (Vintage Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-140-1_ADSR_black_U23-37381_01_7.webp)
![Doepfer A-110-2 Basic VCO [USED] Doepfer A-110-2 Basic VCO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-110-2_Basic_VCO_-_Standard_Edition_U23-38239_01_7.webp)
![Doepfer A-132-3 Dual VCA [USED] Doepfer A-132-3 Dual VCA [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-132-3_Dual_VCA_-_Standard_Edition_U23-38244_01_6.webp)
![Doepfer A-120 VCF1 24dB Low Pass Filter [USED] Doepfer A-120 VCF1 24dB Low Pass Filter [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-120_VCF1_24dB_Low_Pass_Filter_-_Standard_Edition_U23-38243_01_6.webp)
![Doepfer A-114 Ring Modulator [USED] Doepfer A-114 Ring Modulator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-114_Ring_Modulator_-_Standard_Edition_U23-38240_01_6.webp)
![Doepfer A-106-5 -12dB SEM VCF Filter [USED] Doepfer A-106-5 -12dB SEM VCF Filter [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-106-5_-12dB_SEM_VCF_U23-38255_01_6.webp)
![Doepfer A-115 Audio Divider [USED] Doepfer A-115 Audio Divider [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-115_Audio_Divider_U23-38251_01_5.webp)
![Sequential Prophet Rev2 8-Voice Analog Keyboard Synthesizer [USED] Sequential Prophet Rev2 8-Voice Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Prophet_Rev2_8-Voice_Keyboard_U23-37255_01_4.webp)
![Doepfer A-116 Waveform Processor [USED] Doepfer A-116 Waveform Processor [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-116_Waveform_Processor_U23-38252_01_4.webp)
![Doepfer A-171-2 Voltage Controlled Slew Processor / Generator [USED] Doepfer A-171-2 Voltage Controlled Slew Processor / Generator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-171-2_VC_Slew_Limiter_-_Standard_Edition_U23-38258_01_3.webp)
![Doepfer A-190-4 USB/MIDI-to-CV/Gate Interface [USED] Doepfer A-190-4 USB/MIDI-to-CV/Gate Interface [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-190-4_USB_MIDI-to-CV_Gate_Interface_U23-38235_01_2.webp)
![Doepfer A-147-2 Voltage Controlled Delayed LFO [USED] Doepfer A-147-2 Voltage Controlled Delayed LFO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-147-2_VCDLFO_-_Standard_Edition_U23-38257_01_2.webp)
![Doepfer A-117 Digital Noise + 808 Source [USED] Doepfer A-117 Digital Noise + 808 Source [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-117_Digital_Noise___808_Source_U23-38254_01_2.webp)
![Doepfer A-183-4 Quad Level Shifter [USED] Doepfer A-183-4 Quad Level Shifter [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-183-4_Quad_Level_Shifter_U23-38398_01_1.webp)
![Doepfer A-183-1 Dual Attenuator [USED] Doepfer A-183-1 Dual Attenuator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-183-1_Dual_Attenuator_U23-38399_01.webp)
![Squarp Rample Four-Channel Sampler [USED] Squarp Rample Four-Channel Sampler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/q/Squarp_Rample_U23-37467_01.webp)
![Electrix Filter Factory Analog Filter [USED] Electrix Filter Factory Analog Filter [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/l/Electrix_Filter_Factory_U23-37022_01.webp)
![Doepfer A-190-2 MIDI-to-CV / Gate Interface [USED] Doepfer A-190-2 MIDI-to-CV / Gate Interface [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-190-2_U23-37574_01.webp)
![Doepfer A-140 ADSR Envelope Generator [USED] Doepfer A-140 ADSR Envelope Generator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-140-1_ADSR_Envelope_Generator_-_Standard_Edition_U23-37642_01.webp)
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