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Eurorack + Modular
Synthesizers + Keyboards
Pedals + Effects
Studio + Recording
Controllers + Sequencing
![Source Audio True Spring Reverb Pedal (no Tap Switch) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/o/SourceAudio_True_Spring_Reverb_U23-37511_01.webp "Source Audio True Spring Reverb Pedal (no Tap Switch) [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 "Electrix Filter Factory Analog Filter [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-190-2 MIDI-to-CV / Gate Interface [USED]")
![Doepfer A-180-9 Multicore (Pair) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-180-9_Multicore_Modul_U23-37780_01.webp "Doepfer A-180-9 Multicore (Pair) [USED]")
![Doepfer A-180-9 Multicore (Pair) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-180-9_Multicore_Modul_U23-37732_01.webp "Doepfer A-180-9 Multicore (Pair) [USED]")
![Doepfer A-140-2V Dual Mini ADSR Envelope Generator (Vintage Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-140-2V_Dual_Mini_ADSR_-_Vintage_Edition_U23-37692_01.webp "Doepfer A-140-2V Dual Mini ADSR Envelope Generator (Vintage Edition) [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 "Doepfer A-140 ADSR Envelope Generator [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_U23-38077_01.webp "Doepfer A-138n Narrow Mixer (Slim Line) [USED]")
![Doepfer A-132-1 Dual Voltage Controlled Amplifier [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-132-1_Dual_Voltage_Controlled_Amplifier_U23-37577_01.webp "Doepfer A-132-1 Dual Voltage Controlled Amplifier [USED]")
![Doepfer A-118-2 Noise / Random (Slim Line) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-118-2_Noise___Random_Slim_Line_-_Standard_Edition_U23-37880_01.webp "Doepfer A-118-2 Noise / Random (Slim Line) [USED]")
![Doepfer A-111-4 Quad Precision VCO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-111-4_Quad_Precision_VCO_-_Standard_Edition_U23-37720_01.webp "Doepfer A-111-4 Quad Precision VCO [USED]")
![Doepfer A-110-2V Basic VCO (Vintage Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-110-2_U23-37573_01.webp "Doepfer A-110-2V Basic VCO (Vintage Edition) [USED]")
![Doepfer A-106-5SE 12dB SEM VCF Filter (Special Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-106-5_12dB_SEM_VCF_Special_Edition_Creme_U23-37748_01.webp "Doepfer A-106-5SE 12dB SEM VCF Filter (Special Edition) [USED]")
![4MS Shuffling Clock Multiplier Breakout [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Shuffling_Clock_Multiplier_Breakout_U23-37053_01.webp "4MS Shuffling Clock Multiplier Breakout [USED]")
![4MS Shuffling Clock Multiplier (1.2) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Shuffling_Clock_Multiplier_12_U23-37756_01.webp "4MS Shuffling Clock Multiplier (1.2) [USED]")
![4MS Shuffling Clock Multiplier (1.2) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Shuffling_Clock_Multiplier_12_U23-37052_01.webp "4MS Shuffling Clock Multiplier (1.2) [USED]")
![4MS Pod64X Desktop Eurorack Case - 3U / 64HP (Powered) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Pod64X_Powered_U23-37306_01.webp "4MS Pod64X Desktop Eurorack Case - 3U / 64HP (Powered) [USED]")
![4MS Pod64X Desktop Eurorack Case - 3U / 64HP (Powered) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Pod64X_Powered_U23-37307_01.webp "4MS Pod64X Desktop Eurorack Case - 3U / 64HP (Powered) [USED]")
![4MS Pod34X Desktop Eurorack Case - 3U / 34HP (Powered) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Pod34X_Powered_U23-35576_01.webp "4MS Pod34X Desktop Eurorack Case - 3U / 34HP (Powered) [USED]")
![4MS Buffered Mult Multiple [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Buffered_Mult_Multiple_U23-37728_01.webp "4MS Buffered Mult Multiple [USED]")
![Doepfer A-157-1 8x16 Trigger Sequencer Matrix [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-157-1_U23-37934_01.webp "Doepfer A-157-1 8x16 Trigger Sequencer Matrix [USED]")
![4MS Quad Clock Distributor [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Quad_Clock_Distributor_U23-38078_01.webp "4MS Quad Clock Distributor [USED]")
![4MS Quad Clock Distributor [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Quad_Clock_Distributor_U23-37806_01.webp "4MS Quad Clock Distributor [USED]")
![4MS Pingable Envelope Generator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Pingable_Envelope_Generator_U23-37842_01.webp "4MS Pingable Envelope Generator [USED]")
![Doepfer A-145-4V Quad LFO (Vintage Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-145-4v_Quad_LFO_Slim_Line_-_Vintage_Edition_U23-37134_01_1.webp "Doepfer A-145-4V Quad LFO (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_U23-37299_01_1.webp "Doepfer A-138sV Mini Stereo Mixer (Vintage Edition) [USED]")
![Doepfer A-130 Linear VCA [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-130_Linear_VCA_U23-37122_01_1.webp "Doepfer A-130 Linear VCA [USED]")
8hp USED
![Doepfer A-145 LFO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-145_LFO_U23-37126_01.webp "Doepfer A-145 LFO [USED]")
$79.99
In stock
8hp USED
![Doepfer A-145 LFO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-145_LFO_U23-37127_01.webp "Doepfer A-145 LFO [USED]")
$79.99
In stock
![Doepfer A-144 Morphing Controller [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-144_Morphing_Controller_U23-37133_01.webp "Doepfer A-144 Morphing Controller [USED]")
![Doepfer A-136 Distortion Waveshaper [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-136_Distortion_Waveshaper_U23-37131_01.webp "Doepfer A-136 Distortion Waveshaper [USED]")
![Doepfer A-135-2 Quad VCA / Mixer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-135-2_Quad_VCA_Mixer_-_Standard_Edition_U23-37184_01.webp "Doepfer A-135-2 Quad VCA / Mixer [USED]")
![Doepfer A-130 Linear VCA [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-130_Linear_VCA_U23-37123_01.webp "Doepfer A-130 Linear VCA [USED]")
![Doepfer A-130 Linear VCA [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-130_Linear_VCA_U23-37124_01.webp "Doepfer A-130 Linear VCA [USED]")
14hp USED
![Doepfer A-111-1 VCO 2 [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-111-1_VCO_2_U23-37125_01.webp "Doepfer A-111-1 VCO 2 [USED]")
$269.00
In stock
![Doepfer A-110-6 Trapezoid Thru-Zero Quadrature VCO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-110-6_Trapezoid_Thru_Zero_Quadrature_VCO_U23-37128_01.webp "Doepfer A-110-6 Trapezoid Thru-Zero Quadrature VCO [USED]")
![4MS Stereo Triggered Sampler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Stereo_Triggered_Sampler_U23-37289_01.webp "4MS Stereo Triggered Sampler [USED]")
![4MS Listen IO Input / Output Amplifier [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_IO_U23-37107_01.webp "4MS Listen IO Input / Output Amplifier [USED]")
![4MS Listen Four Quarters Mixer / Output [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_Four_Quarters_U23-37460_01.webp "4MS Listen Four Quarters Mixer / Output [USED]")
![4MS Listen Four Quarters Mixer / Output [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_Four_Quarters_U23-37237_01.webp "4MS Listen Four Quarters Mixer / Output [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_U23-36975_01.webp "Doepfer A-190-4 USB/MIDI-to-CV/Gate Interface [USED]")
![Doepfer A-190-3V USB / MIDI-to-CV / Gate Interface (Vintage Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-190-3V_USB_MIDI-to-CV_Interface_-_Vintage_Edition_U23-36995_01.webp "Doepfer A-190-3V USB / MIDI-to-CV / Gate Interface (Vintage Edition) [USED]")
![Doepfer A-178 Theremin Control Voltage Source [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-178_Theremin_CV_Source_-_Standard_Edition_U23-37226_01.webp "Doepfer A-178 Theremin Control Voltage Source [USED]")
![Doepfer A-156 Dual Quantizer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-156_Dual_Quantizer_-_Standard_Edition_U23-37098_01.webp "Doepfer A-156 Dual Quantizer [USED]")
![Doepfer A-145-4V Quad LFO (Vintage Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-145-4v_Quad_LFO_Slim_Line_-_Vintage_Edition_U23-36987_01.webp "Doepfer A-145-4V Quad LFO (Vintage Edition) [USED]")
![Doepfer A-124SE VCF5 Wasp Filter (Special Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-124SE_VCF5_Wasp_Filter_Special_Edition_U23-36962_01.webp "Doepfer A-124SE VCF5 Wasp Filter (Special Edition) [USED]")
![Doepfer A-120V VCF1 24dB Low Pass Filter (Vintage Edition) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-120v_VCF1_24dB_Low_Pass_Filter_-_Vintage_Edition_U23-37234_01.webp "Doepfer A-120V VCF1 24dB Low Pass Filter (Vintage Edition) [USED]")
![Doepfer A-106-1 X-Treme Filter [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/o/Doepfer_A-106-1_X-Treme_Filter_U23-36960_01.webp "Doepfer A-106-1 X-Treme Filter [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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