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1-channel 500 Series EQ

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Trident Audio Developments 80B 500 Series 4-band EQ

500 Series 4-band EQ with Shelving High and Low Bands, Sweepable Mid Bands, and Highpass Filter
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Cranborne Audio Carnaby 500 Harmonic EQ

3-band 500 Series EQ with Harmonic Saturation Technology and Optosync Feature
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Rupert Neve Designs 551 500 Series Inductor Equalizer

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API 550b 500 Series 4-band Equalizer

Modular 4-band Equalizer, 500 Series, With 7 API-selected Frequency Centers, 12dB of Boost/Cut Per Band, and Proportional Q Control
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Neve 88R LBEQ 500 Series EQ

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Maag Audio EQ4 500 Series 6-band Equalizer

500 Series 6-band EQ
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Solid State Logic UltraViolet EQ 500 Series Equalizer

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Solid State Logic 611EQ 500 Series Parametric Equalizer

500 Series Mono 4-band Parametric Equalizer Module with Dual-mode Design
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Pultec EQP-500X 500 Series Program Equalizer

Single-channel, 2-band 500 Series Equalizer with Separate Boost and Cut Controls, Switchable Frequency Selection, and Variable Bandwidth
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API 550A 500 Series 3-band Equalizer

Modular 3-band Equalizer, 500 Series, With 5 API-selected Frequency Centers, 12dB of Boost/Cut Per Band, and Proportional Q Control
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Harrison Audio MR3eq EQ

500 Series 3-band Parametric EQ with Proportional-Q and High Pass Filter
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Solid State Logic SiX Channel 500 Series Channel Strip

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BAE 1073D 500 Series Microphone Preamp & EQ

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Photo of API 560 500 Series Graphic Equalizer

API 560 500 Series Graphic Equalizer

Modular 10-band Graphic Equalizer, 500 Series Classic Reissue, With 12dB of Boost/Cut Per Band, Silent Bypass, and Proportional Q
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Trident Audio Developments A-Range 500 EQ

500 Series 4-band EQ Module with LF and HF Shelving, LMF and HMF Peaking, and Per-band Boost/Cut Faders
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Photo of Pultec MEQ-500 500 Series Parametric Equalizer - Jack Douglas Edition

Pultec MEQ-500 500 Series Parametric Equalizer - Jack Douglas Edition

1-channel, 3-band Solid-state 500 Series Midrange Equalizer with Switchable Frequency Centers
$1,495.00
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Hazelrigg Industries DLC Vacuum Tube-inductor Equalizer

1-channel, 2-band Tube Equalizer 500 Series Module with Simultaneous Boost and Cut
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Maag Audio EQ4 500 Series 6-band Equalizer - Black

500 Series 6-band Equalizer with Air Band - Black
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elysia xfilter 500 500 Series Stereo Equalizer

500 Series 4-band Stereo Equalizer Module with Switchable Wide/Narrow Q Parametric Low-Mid and High-Mid, Low- and Highpass Filters, and Stepped Controls
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Lindell Audio PEQ-501a 500 Series Retro 2-band Program Equalizer

500 Series 2-band Program EQ
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H2 Audio 5011 500 Series 3-Band Helios EQ

500 Series 1-channel EQ with Selectable LF and MF Controls and Fixed 10kHz HF Control
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Photo of Wolff Audio FREQ 500 Series Parametric EQ with Proportional Q

Wolff Audio FREQ 500 Series Parametric EQ with Proportional Q

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API 550A Special Edition 500 Series 3-band Equalizer

3-band Equalizer, 500 Series, with 5 Frequency Centers and 12dB of Boost/Cut Per Band, and Proportional Q Control - Vintage Cream
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Photo of API 565 Filter 500 Series Equalizer

API 565 Filter 500 Series Equalizer

500 Series Filter Module with Highpass and Lowpass Filters with Slope Controls, and Variable Notch Filter with Adjustable Q
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Neve 1073LBEQ 500 Series EQ

500 Series EQ Module with 3-band EQ and Audio Processing Insert Feature
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Maag Audio EQ2 500 Series 2-band Equalizer

500 Series EQ, Single-channel, 2-band, with Boost-only Low-mid and Air Bands, Input Attenuator, and Detented Controls
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Dangerous Music BAX 500 EQ

Mono 500 Series 2-band Baxandall Shelving EQ with HPF, LPF, and Stepped Controls
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Empirical Labs DocDerr 500 Series Instrument Channel Strip

500 Series Instrument Channel Strip Module with Preamp, 4-band EQ, Tape Emulation Circuit, and Mix Knob
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API Select SV14

500 Series Parametric 4-band EQ with Transformer-Balanced Output and Dual-Concentric Knobs
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Solid State Logic SiX Channel 500 Series Channel Strip

500 Series Channel Strip with Mic/Line/Instrument Preamp, EQ, and Compressor
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API 560 Special Edition 500 Series Graphic Equalizer

10-band Graphic Equalizer, 500 Series, with 12dB of Boost/Cut Per Band, Silent Bypass, and Proportional Q - Vintage Cream
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Or $183.00 suggested monthly payment§ with 6 month‡ special financing
Photo of Heritage Audio 73EQ JR 500 Series Equalizer

Heritage Audio 73EQ JR 500 Series Equalizer

500 Series 3-band EQ Module with Selectable Center Frequencies, Shelving Baxandall Type Low and High Bands, and Fixed-Q Dual-inductor-based Midband
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Photo of Electrodyne 511b 500 Series 2-band Inductor EQ

Electrodyne 511b 500 Series 2-band Inductor EQ

500 Series 2-band Inductor EQ with Selectable Peak/Shelf
$1,200.00
Or $200.00 suggested monthly payment§ with 6 month‡ special financing
Used available for $960.00
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Photo of Chandler Limited TG12345 MKIV 500 Series Curve Bender Equalizer

Chandler Limited TG12345 MKIV 500 Series Curve Bender Equalizer

1-channel 500 Series EQ with Presence and Bass Bands, Continuous Boost/Cut, and True Bypass
$1,250.00
Or $35.00/month§ with
36 month financing*
Photo of Lindell Audio 6X-500 500 Series Microphone Preamp & EQ

Lindell Audio 6X-500 500 Series Microphone Preamp & EQ

500 Series Mic Preamp/Equalizer with Single-channel Transformer-coupled Mic Preamp and 2-band Pultec-style Equalizer
$299.00
Or $50.00 suggested monthly payment§ with 6 month‡ special financing
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Photo of Lindell Audio PEX-500 500 Series Passive Equalizer

Lindell Audio PEX-500 500 Series Passive Equalizer

500 Series Rack Format Passive Parametric Equalizer with Stepped Frequency Controls and True Bypass
$299.00
Or $50.00 suggested monthly payment§ with 6 month‡ special financing
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Photo of Purple Audio Odd 500 Series 4-band Equalizer

Purple Audio Odd 500 Series 4-band Equalizer

500 Series Inductor EQ with Four Bands of 12dB Boost/Cut and Switchable Hi and Low Cut Filters
$775.00
Or $130.00 suggested monthly payment§ with 6 month‡ special financing
Photo of Drawmer MQ-1 Single-channel 7-band 500 Series EQ

Drawmer MQ-1 Single-channel 7-band 500 Series EQ

1-channel 500 Series 7-band EQ with Proportional-Q Design, Crush Mode, Gain Control, and Hard-wired Bypass
$369.00
Or $11.00/month§ with
36 month financing*
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Photo of Millennia NSEQ-HF 500 Series EQ

Millennia NSEQ-HF 500 Series EQ

500 Series High-frequency Equalizer with Class A Discrete Topology
$1,076.00
Or $30.00/month§ with
36 month financing*
Photo of Midas 512 V2 500 Series Parametric Equalizer

Midas 512 V2 500 Series Parametric Equalizer

4-band 500 Series Parametric EQ with Dual-concentric Pots, and Variable Q
$189.00
Or $32.00 suggested monthly payment§ with 6 month‡ special financing
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Photo of Lindell Audio RE-51 500 Series Microphone Preamp & EQ

Lindell Audio RE-51 500 Series Microphone Preamp & EQ

500 Series Mic/Line Preamp/DI/EQ with Transformer-coupled Mic/Line Inputs and Output, 80Hz HPF, and Stepped Rotary Controls
$599.00
Or $17.00/month§ with
36 month financing*
(1)
Photo of Phoenix Audio Pivot Tone Channel/500 Series Channel Strip

Phoenix Audio Pivot Tone Channel/500 Series Channel Strip

500 Series DI/EQ Module with Discrete Class a Circuitry, Tilt-type Equalization with 3 Center Frequencies, and Through Jack
$799.00
Or $23.00/month§ with
36 month financing*
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