Preamps & Channel Strips | Surplus Network

Triton Audio FetHead in-Line Microphone Preamp-for dynamic microphones

Triton Audio FetHead in-Line...

$39.99 USD

Triton Audio FetHead in-Line...

$39.99 USD

Microphone Booster Preamp Signal Activator for Livestream MB1 by CODA Music Tech

Microphone Booster Preamp Signal...

$39.99 USD

Microphone Booster Preamp Signal...

$39.99 USD

JoeMeek ThreeQ Studio Recording Channel Optical Compression Three-Q 3Q

JoeMeek ThreeQ Studio Recording...

$100.00 USD

JoeMeek ThreeQ Studio Recording...

$100.00 USD

Soundworkshop Series 34 Channel Strip

Soundworkshop Series 34 Channel Strip

$100.00 USD

Soundworkshop Series 34 Channel Strip

$100.00 USD

Open Box Lindell Audio 6X-500 500-Series Microphone Preamp / Equalizer EQ 6X500

Open Box Lindell Audio 6X-500...

$184.99 USD

Open Box Lindell Audio 6X-500...

$184.99 USD

Cloud Microphones Cloudlifter CL-1 Activator Microphone Preamp

Cloud Microphones Cloudlifter CL-1...

$105.00 USD

Cloud Microphones Cloudlifter CL-1...

$105.00 USD

Shure SM7B w/ Cloud Microphones CL1 Cloudlifter 25db Booster(No With Power Cord)

Shure SM7B w/ Cloud Microphones CL1...

$266.00 USD

Shure SM7B w/ Cloud Microphones CL1...

$266.00 USD

Behringer MIC300 Audiophile Vacuum Tube Preamplifier with Limiter UC

Behringer MIC300 Audiophile Vacuum...

$44.99 USD

Behringer MIC300 Audiophile Vacuum...

$44.99 USD

AMS Neve 1073SPX Single Preamp and EQ

AMS Neve 1073SPX Single Preamp and EQ

$1,550.00 USD

AMS Neve 1073SPX Single Preamp and EQ

$1,550.00 USD

ART Pro MPA II 2-Channel Tube Mic Preamp

ART Pro MPA II 2-Channel Tube Mic Preamp

$269.00 USD

ART Pro MPA II 2-Channel Tube Mic Preamp

$269.00 USD

API 312 Preamp PAIR / Vintage 2520 op-amp BAE

API 312 Preamp PAIR / Vintage 2520...

$2,000.00 USD

API 312 Preamp PAIR / Vintage 2520...

$2,000.00 USD

Behringer Tube Ultragain T1953 Mic Preamplifier

Behringer Tube Ultragain T1953 Mic...

$79.95 USD

Behringer Tube Ultragain T1953 Mic...

$79.95 USD

Shure SM7B & Cloudlifter CL-1 Activator Microphone Preamp

Shure SM7B & Cloudlifter CL-1...

$283.94 USD

Shure SM7B & Cloudlifter CL-1...

$283.94 USD

A.R.T. TPS 255 Tube Microphone Preamp System 2-Channel W/ OPL - Rackmountable!

A.R.T. TPS 255 Tube Microphone Preamp...

$139.95 USD

A.R.T. TPS 255 Tube Microphone Preamp...

$139.95 USD

PreSonus Eureka Transformer Coupled Class A Preamp EQ, Compression Rack Mount

PreSonus Eureka Transformer Coupled...

$199.95 USD

PreSonus Eureka Transformer Coupled...

$199.95 USD

Rockville PPA20 Preamp Professional 1U Rack Mount Pre-Amplifier w/Crossover+EQ

Rockville PPA20 Preamp Professional...

$84.95 USD

Rockville PPA20 Preamp Professional...

$84.95 USD

Golden Age Pre-73 MKII Microphone Preamp w/Power Supply & Sales Sheet

Golden Age Pre-73 MKII Microphone...

$188.00 USD

Golden Age Pre-73 MKII Microphone...

$188.00 USD

ART Pro-Channel II Tubed Preamp Opto, Compression, EQ. Factory Reconditioned A++

ART Pro-Channel II Tubed Preamp Opto,...

$279.00 USD

ART Pro-Channel II Tubed Preamp Opto,...

$279.00 USD

- RARE - PreSonus External Power Supply For DigiMax

- RARE - PreSonus External Power...

$135.00 USD

- RARE - PreSonus External Power...

$135.00 USD

Vintage Melcor 1731 Op Amp Pair with Melcor M1590 Socket Boards

Vintage Melcor 1731 Op Amp Pair with...

$135.00 USD

Vintage Melcor 1731 Op Amp Pair with...

$135.00 USD

API 3124V 4-Channel Microphone Preamp

API 3124V 4-Channel Microphone Preamp

$1,995.50 USD

API 3124V 4-Channel Microphone Preamp

$1,995.50 USD

Avalon VT-737SP Class A Mono Tube Channel Strip

Avalon VT-737SP Class A Mono Tube...

$1,100.00 USD

Avalon VT-737SP Class A Mono Tube...

$1,100.00 USD

JoeMeek - British Channel VC6Q Preamp / Channel Strip with Optical Compressor

JoeMeek - British Channel VC6Q Preamp...

$300.00 USD

JoeMeek - British Channel VC6Q Preamp...

$300.00 USD

Purple Audio Biz Mk 500 Series Microphone/Line Preamp Pair w/ DI & Impedance SW

Purple Audio Biz Mk 500 Series...

$918.99 USD

Purple Audio Biz Mk 500 Series...

$918.99 USD

Synergy Friedman BE-DLX Guitar Tube Pre-Amp Module

Synergy Friedman BE-DLX Guitar Tube...

$299.99 USD

Synergy Friedman BE-DLX Guitar Tube...

$299.99 USD

Mackie Onyx 800R | 8 Channel Analog Mic Preamp With 192kHz Digital Output

Mackie Onyx 800R | 8 Channel Analog...

$299.99 USD

Mackie Onyx 800R | 8 Channel Analog...

$299.99 USD

SSL SiX CH 500 Series Channel Strip with Mic Preamp, EQ, Single Knob Compressor

SSL SiX CH 500 Series Channel Strip...

$299.99 USD

SSL SiX CH 500 Series Channel Strip...

$299.99 USD

Stam Audio 1073EQ Neve Style 1073 mic pre eq microphone preamp DI equalizer

Stam Audio 1073EQ Neve Style 1073 mic...

$1,125.00 USD

Stam Audio 1073EQ Neve Style 1073 mic...

$1,125.00 USD

Black Lion Audio B12A MKII Preamp 2010s - Silver (with power suppy)

Black Lion Audio B12A MKII Preamp...

$250.00 USD

Black Lion Audio B12A MKII Preamp...

$250.00 USD

Presonus MP20 pre amp with Burr Brown upgrade

Presonus MP20 pre amp with Burr Brown...

$185.00 USD

Presonus MP20 pre amp with Burr Brown...

$185.00 USD

ART 255 Two Channel Voiced Valve Preamplifier with Output Protection Limiting

ART 255 Two Channel Voiced Valve...

$75.00 USD

ART 255 Two Channel Voiced Valve...

$75.00 USD

2 vintage

2 vintage '70s Sunn 2008 Magna...

$35.00 USD

2 vintage '70s Sunn 2008 Magna...

$35.00 USD

Microphone Pre-Amp Board - Ultra Low Noise, with XLR connector, Round or Sqr.

Microphone Pre-Amp Board - Ultra Low...

$35.00 USD

Microphone Pre-Amp Board - Ultra Low...

$35.00 USD

Rockville PPA20 Preamp Professional 1U Rack Mount Pre-Amplifier w/Crossover RS

Rockville PPA20 Preamp Professional...

$57.67 USD

Rockville PPA20 Preamp Professional...

$57.67 USD

SM Pro Audio TC02 Two-Channel Tube Preamp (NO POWER SUPPLY) As-Is CG00ZTF

SM Pro Audio TC02 Two-Channel Tube...

$79.99 USD

SM Pro Audio TC02 Two-Channel Tube...

$79.99 USD

Studio Projects VTB1 tube preamp

Studio Projects VTB1 tube preamp

$95.00 USD

Studio Projects VTB1 tube preamp

$95.00 USD

Black Lion Audio Auteur MKII Mic PreAmp - Half Rack - New Open Box - 2 Channel

Black Lion Audio Auteur MKII Mic...

$220.00 USD

Black Lion Audio Auteur MKII Mic...

$220.00 USD

DigiTech VTP-1 Dual Vacuum-Tube Preamp / EQ / Converter (Used)

DigiTech VTP-1 Dual Vacuum-Tube...

$220.00 USD

DigiTech VTP-1 Dual Vacuum-Tube...

$220.00 USD

(2) Art Dual MP, Two Channel Tube Microphone Preamplifiers

(2) Art Dual MP, Two Channel Tube...

$120.00 USD

(2) Art Dual MP, Two Channel Tube...

$120.00 USD

dbx 376 Tube Channel Strip As-Is (church owned) CG0004T

dbx 376 Tube Channel Strip As-Is...

$99.99 USD

dbx 376 Tube Channel Strip As-Is...

$99.99 USD

Rack Ears for Audient Evo SP8 / Evo 16 8-Channel Mic Preamp

Rack Ears for Audient Evo SP8 / Evo...

$19.95 USD

Rack Ears for Audient Evo SP8 / Evo...

$19.95 USD

Ward Beck Module

Ward Beck Module

$200.00 USD

Ward Beck Module

$200.00 USD

sE Electronics DM1 Dynamite Active In-Line Preamp DM-1 Microphone Mic Pre

sE Electronics DM1 Dynamite Active...

$57.99 USD

sE Electronics DM1 Dynamite Active...

$57.99 USD

Better Music Builder DX-333 | OO146*

Better Music Builder DX-333 | OO146*

$159.99 USD

Better Music Builder DX-333 | OO146*

$159.99 USD

PreSonus Eureka Transformer Coupled Class A Preamp EQ, Compression Rack Mount

PreSonus Eureka Transformer Coupled...

$140.00 USD

PreSonus Eureka Transformer Coupled...

$140.00 USD

Behringer T1953 Microphone Preamp Tube Ultragain Vintager Series

Behringer T1953 Microphone Preamp...

$140.00 USD

Behringer T1953 Microphone Preamp...

$140.00 USD

Rockville RDF9U 1U 15A Rack Mount DJ Pro Audio Power Supply Strip w/USB Charging

Rockville RDF9U 1U 15A Rack Mount DJ...

$49.95 USD

Rockville RDF9U 1U 15A Rack Mount DJ...

$49.95 USD

DBX 386 Dual Vacuum Tube Mic Preamp - 2-Channel Microphone Preamplifier w/ SPDIF

DBX 386 Dual Vacuum Tube Mic Preamp -...

$195.00 USD

DBX 386 Dual Vacuum Tube Mic Preamp -...

$195.00 USD

PreSonus Studio Channel Strip w/ PEQ/Compressor/Tube Preamp U216386

PreSonus Studio Channel Strip w/...

$195.00 USD

PreSonus Studio Channel Strip w/...

$195.00 USD

AUDIO RESEARCH PH-3 Tube Phono Preamp

AUDIO RESEARCH PH-3 Tube Phono Preamp

$944.99 USD

AUDIO RESEARCH PH-3 Tube Phono Preamp

$944.99 USD

CAPI FD312 Heider Mic Preamp & BT50 EQ 500 Equalizer Classic Audio Products Inc

CAPI FD312 Heider Mic Preamp & BT50...

$1,449.99 USD

CAPI FD312 Heider Mic Preamp & BT50...

$1,449.99 USD

RCA 2520 OP Amp With EMI Painton Fader

RCA 2520 OP Amp With EMI Painton Fader

$400.00 USD

RCA 2520 OP Amp With EMI Painton Fader

$400.00 USD

Roland MMP-2 Mic Modeling Preamp, used

Roland MMP-2 Mic Modeling Preamp, used

$129.99 USD

Roland MMP-2 Mic Modeling Preamp, used

$129.99 USD

ART Tube MP - Mic Preamp ( Power supply not included ) Never Used.

ART Tube MP - Mic Preamp ( Power...

$32.00 USD

ART Tube MP - Mic Preamp ( Power...

$32.00 USD

Universal Audio 4110 4-Channel Mic Preamp

Universal Audio 4110 4-Channel Mic...

$2,599.99 USD

Universal Audio 4110 4-Channel Mic...

$2,599.99 USD

PreSonus Bluemax Stereo Smart Compressor

PreSonus Bluemax Stereo Smart Compressor

$49.97 USD

PreSonus Bluemax Stereo Smart Compressor

$49.97 USD

N-SONIC N73PRE 500 Series 1073 Style Microphone Preamp

N-SONIC N73PRE 500 Series 1073 Style...

$169.99 USD

N-SONIC N73PRE 500 Series 1073 Style...

$169.99 USD

Ebtech LLS-8 8-channel Rack Mount Line Level Shifter

Ebtech LLS-8 8-channel Rack Mount...

$169.99 USD

Ebtech LLS-8 8-channel Rack Mount...

$169.99 USD

Grace Design m103 Channel Strip With Power Cable - Tested, Ships Free!

Grace Design m103 Channel Strip With...

$899.99 USD

Grace Design m103 Channel Strip With...

$899.99 USD

Behringer MIC2200 V2 2-channel Tube Microphone Preamp

Behringer MIC2200 V2 2-channel Tube...

$169.00 USD

Behringer MIC2200 V2 2-channel Tube...

$169.00 USD

Universal Audio LA-610 MkII Mic Pre + LA2A LA-2A Style Compressor

Universal Audio LA-610 MkII Mic Pre +...

$1,275.00 USD

Universal Audio LA-610 MkII Mic Pre +...

$1,275.00 USD

Veeleiz Mica In-line mic Preamp, +30dB Gain, XLR Dynamic Microphone Booster

Veeleiz Mica In-line mic Preamp,...

$59.00 USD

Veeleiz Mica In-line mic Preamp,...

$59.00 USD

Focusrite ISA-TWO

Focusrite ISA-TWO

$675.00 USD

Focusrite ISA-TWO

$675.00 USD

Neumann NS424 Power Supply 24V DC perfect f V476 U473 W495 Siemens V276 TAB V376

Neumann NS424 Power Supply 24V DC...

$129.00 USD

Neumann NS424 Power Supply 24V DC...

$129.00 USD

Cloud Microphones Cloudlifter CL-1 Mic Activator Preamp

Cloud Microphones Cloudlifter CL-1...

$109.00 USD

Cloud Microphones Cloudlifter CL-1...

$109.00 USD

Focusrite ISA428 MKII MK2 4-Channel Mic Microphone Preamp wOptional Digital Card

Focusrite ISA428 MKII MK2 4-Channel...

$1,450.00 USD

Focusrite ISA428 MKII MK2 4-Channel...

$1,450.00 USD

Cloud Microphones Cloudlifter CL-1 Activator Microphone Preamp

Cloud Microphones Cloudlifter CL-1...

$85.00 USD

Cloud Microphones Cloudlifter CL-1...

$85.00 USD

AC Sound Custom Built Stereo 1176 Limiter - Dual Compressor

AC Sound Custom Built Stereo 1176...

$999.00 USD

AC Sound Custom Built Stereo 1176...

$999.00 USD

Professional 4000 Watts Hybrid Amplifier / Pre-Amplifier / Receiver MU-H4000BT

Professional 4000 Watts Hybrid...

$199.99 USD

Professional 4000 Watts Hybrid...

$199.99 USD

Heritage Audio HA-73 EQ Elite Series Single-Channel Mic Preamp / EQ 2017 - 2019

Heritage Audio HA-73 EQ Elite Series...

$750.00 USD

Heritage Audio HA-73 EQ Elite Series...

$750.00 USD

presonus firepod preamps x24

presonus firepod preamps x24

$265.00 USD

presonus firepod preamps x24

$265.00 USD

MUSYSIC Professional 8000 Watts Amplified Receiver /Pre-Amplifier BT/USB MU-RD8K

MUSYSIC Professional 8000 Watts...

$249.99 USD

MUSYSIC Professional 8000 Watts...

$249.99 USD

With audio demo: PAIR Telefunken V672 mic preamps with variable gain 35 .. 65 dB

With audio demo: PAIR Telefunken V672...

$899.00 USD

With audio demo: PAIR Telefunken V672...

$899.00 USD

Warm Audio WA412 WA-412 4-Channel API 312-Style Microphone Preamp Mic Pre / DI

Warm Audio WA412 WA-412 4-Channel API...

$899.00 USD

Warm Audio WA412 WA-412 4-Channel API...

$899.00 USD

Art VoiceChannel Tube Channel Strip Digital Audio Interface

Art VoiceChannel Tube Channel Strip...

$379.00 USD

Art VoiceChannel Tube Channel Strip...

$379.00 USD

Art Pro Channel Tube Mic Preamp, Tube/Optical Compressor, Parametric EQ

Art Pro Channel Tube Mic Preamp,...

$229.00 USD

Art Pro Channel Tube Mic Preamp,...

$229.00 USD

Aphex 1788A 8-Channel Microphone Preamp With Optional Digital Output Module

Aphex 1788A 8-Channel Microphone...

$1,699.99 USD

Aphex 1788A 8-Channel Microphone...

$1,699.99 USD

TECH 21 GED-2112 Geddy Lee Signature SansAmp Rackmount Bass Preamp

TECH 21 GED-2112 Geddy Lee Signature...

$319.77 USD

TECH 21 GED-2112 Geddy Lee Signature...

$319.77 USD

DIYRE DOA Discrete Opamp Colour Module Professionally Assembled

DIYRE DOA Discrete Opamp Colour...

$37.50 USD

DIYRE DOA Discrete Opamp Colour...

$37.50 USD

Yamaha AD8HR 8ch Analog to AES Converter - tested to power on

Yamaha AD8HR 8ch Analog to AES...

$150.00 USD

Yamaha AD8HR 8ch Analog to AES...

$150.00 USD

HHB Radius 10 4 channel tube mic preamp BRITISH MADE RARE , Purple

HHB Radius 10 4 channel tube mic...

$550.00 USD

HHB Radius 10 4 channel tube mic...

$550.00 USD

Avalon Design VT-737 SP

Avalon Design VT-737 SP

$1,899.00 USD

Avalon Design VT-737 SP

$1,899.00 USD

Vintage Numark Model DM-1550 Studio Mixer Master Control Panel - unTested

Vintage Numark Model DM-1550 Studio...

$76.11 USD

Vintage Numark Model DM-1550 Studio...

$76.11 USD

ART Tube MP Studio V3 Tube Mic Pre Preamp PRO AUDIO - NEW - PERFECT CIRCUIT

ART Tube MP Studio V3 Tube Mic Pre...

$109.99 USD

ART Tube MP Studio V3 Tube Mic Pre...

$109.99 USD

CAPI VP312 500 Series Module Litz Variable NOT Stepped

CAPI VP312 500 Series Module Litz...

$350.00 USD

CAPI VP312 500 Series Module Litz...

$350.00 USD

HHB Radius 40 British Tube Mic Pre EQ/Compressor

HHB Radius 40 British Tube Mic Pre...

$349.00 USD

HHB Radius 40 British Tube Mic Pre...

$349.00 USD

SSL 502 EQ’s In Custom Built Rack

SSL 502 EQ’s In Custom Built Rack

$3,550.00 USD

SSL 502 EQ’s In Custom Built Rack

$3,550.00 USD

Focusrite ISA One Analog Preamp In Great Condition!

Focusrite ISA One Analog Preamp In...

$425.00 USD

Focusrite ISA One Analog Preamp In...

$425.00 USD

Presonus VXP Dual Servo Mic Preamp Voice Processor

Presonus VXP Dual Servo Mic Preamp...

$180.00 USD

Presonus VXP Dual Servo Mic Preamp...

$180.00 USD

Focusrite Clarett+ OctoPre

Focusrite Clarett+ OctoPre

$759.99 USD

Focusrite Clarett+ OctoPre

$759.99 USD

Golden Age PRE73 Upgrade to PRE73 MK2

Golden Age PRE73 Upgrade to PRE73 MK2

$99.00 USD

Golden Age PRE73 Upgrade to PRE73 MK2

$99.00 USD

Technical Pro Bluetooth USB/SD Preamp Mixing Recorder w/2 Mic Inputs+9 Band EQ

Technical Pro Bluetooth USB/SD Preamp...

$107.50 USD

Technical Pro Bluetooth USB/SD Preamp...

$107.50 USD

Radial Engineering ProD2 (Open Box)

Radial Engineering ProD2 (Open Box)

$139.00 USD

Radial Engineering ProD2 (Open Box)

$139.00 USD

MESA BOOGIE FORMULA PRE STUDIO VTG PREAMP & FU-2P FOOT SWITCH GUITAR NICE

MESA BOOGIE FORMULA PRE STUDIO VTG...

$599.50 USD

MESA BOOGIE FORMULA PRE STUDIO VTG...

$599.50 USD

B&K Pro-10MC Sonata Series PreAmp

B&K Pro-10MC Sonata Series PreAmp

$365.00 USD

B&K Pro-10MC Sonata Series PreAmp

$365.00 USD

Rupert Neve Designs Portico 5017 Mobile Mic Preamp DI Compressor

Rupert Neve Designs Portico 5017...

$879.99 USD

Rupert Neve Designs Portico 5017...

$879.99 USD

Radial Engineering ProDI (Open Box)

Radial Engineering ProDI (Open Box)

$89.00 USD

Radial Engineering ProDI (Open Box)

$89.00 USD

Audient Evo SP8 8-Channel AD/DA Smart Preamp

Audient Evo SP8 8-Channel AD/DA Smart...

$449.00 USD

Audient Evo SP8 8-Channel AD/DA Smart...

$449.00 USD

Fredenstein Artistic MicPre SE 500 Series Microphone Preamp Module

Fredenstein Artistic MicPre SE 500...

$84.15 USD

Fredenstein Artistic MicPre SE 500...

$84.15 USD

Radial Engineering J48 (Open Box)

Radial Engineering J48 (Open Box)

$179.00 USD

Radial Engineering J48 (Open Box)

$179.00 USD