| A Designs Audio 503HR | $499.00 | |
| A-Designs EMBLUE | $899.00 | |
| A-Designs EMGOLD | $899.00 | |
| A-Designs EMPEQ | $1,399.00 | |
| A-Designs EMRED | $899.00 | |
| A-Designs EMSILVER | $899.00 | |
| A-Designs P1 | $1,049.00 | |
| AEA RPQ500-2 | $1,238.00 $1,177.00 | |
| AMS RMX16 | $2,299.00 | |
| Aphex A Pre 500 | $949.00 | |
| Aphex EXBB500 | $499.00 | |
| Aphex JPRE500 | $1,049.00 | |
| API 312 - 50th Anniversary Edition | $2,288.00 | |
| API 312 500 Series Discrete Microphone Preamp | $1,144.00 | |
| API 500 Blank Panel | $35.00 | |
| API 500 Lunchbox Rack Kit (HC) | $158.00 | |
| API 500 VPR | $1,540.00 | |
| API 500-6HC Lunchbox | $1,144.00 | |
| API 500-8HC Lunchbox | $792.00 | |
| API 505-DI Direct Input | $924.00 | |
| API 512C | $1,408.00 | |
| API 512v Discrete Mic / Line Pre | $1,540.00 | |
| API 525 | $1,980.00 | |
| API 527 Compressor/Limiter | $1,716.00 | |
| API 529 Stereo Compressor | $3,784.00 | |
| API 535-LA Line Amplifier | $924.00 | |
| API 550A | $1,848.00 | |
| API 550A - 50th Anniversary Edition | $2,992.00 | |
| API 550B | $2,024.00 | |
| API 560 | $1,496.00 | |
| API 565 Filter Bank | $968.00 | |
| Aurora Audio GT500 Pre | | |
| Avedis Audio E12G 12 Band Graphic Equalizer | $1,333.00 | |
| Avedis Audio E27 Modular Equalizer | $2,124.00 | |
| Avedis Audio MA5 Class-A Microphone Preamplifier 500 Series | $1,333.00 | |
| Avedis Audio MD7 Microphone Preamplifier 500 Series | $1,333.00 | |
| BAE 1023L | $4,305.00 | |
| BAE 1066DL | $3,312.00 | |
| BAE 1073D | $3,753.00 | |
| BAE 11 Module 500 Series Rackmount | $1,711.00 | |
| BAE 1272 Module | $1,104.00 | |
| BAE 312A Module | $1,435.00 | |
| BAE 312B Module | $1,435.00 | |
| BAE 3LB Three Space Lunchbox | $750.00 | |
| BAE 500 Series Blank Panel | $110.00 | |
| BAE 6 Space Lunchbox w/ Power Supply | $993.00 | |
| BAE 6 Space Rack | $938.00 | |
| BAE 73EQL 500 Series EQ | $1,677.00 | |
| BAE Audio 500C FET Compressor | $1,545.00 | |
| BAE B15 | $1,711.00 | |
| BAE Bootsy Mod | $441.00 | |
| BAE DLB | $772.00 | |
| BAE DLB w/ 1x 500 Series 312a Mic Pre | $1,821.00 | |
| BAE DLB w/ 2x 500 Series 312a Mic Pres | $3,256.00 | |
| BAE G10 500 Series Graphic EQ | $1,435.00 | |
| BAE Lunchbox Rack Ears | $110.00 | |
| BAE R53 3 Channel Horizontal 500 Series Rack with Linking Option | $750.00 | |
| Black Lion Audio Auteur MKII 500 Mic Pre | $315.00 | |
| Black Lion Audio PBR-8 500-Series Rack | $1,511.00 | |
| Burl Audio B1D 500 Microphone Preamp with BX4 Iron Output Transformer | $1,576.00 | |
| Burl B1 Mic Pre 500 | $1,576.00 | |
| Buzz Audio Elixir 500 Series | $999.00 | |
| Buzz Audio Essence | $1,499.00 | |
| Buzz Audio Tonic | $1,249.00 | |
| Chameleon Labs 560EQ 500-series Three Band Inductor-based Equalizer | $658.00 | |
| Chameleon Labs 581 500-series Microphone Preamplifier | $658.00 | |
| Chameleon Labs 581 iMOD 500-series Microphone Preamplifier | $940.00 | |
| Chameleon Labs 880Rack 8-slot 500 Series Powered Rack System | $1,128.00 | |
| Chameleon Labs CPS503 Modular 500-Series Power System | $564.00 | |
| Chandler Limited TG Opto 500-Series Compressor | | |
| Chandler Little Devil Compressor | | |
| Chandler Little Devil EQ | | |
| Cranesong Falcon 500 | $2,344.00 | |
| Cranesong Insigna | $2,436.00 | |
| Cranesong Syren | $2,244.00 | |
| Dramastic Obsidian 500 | $4,385.00 | |
| Electrodyne 501 Preamp | $1,501.00 | |
| Electrodyne 511 EQ | $1,733.00 | |
| Elysia Karacter 500 | $1,644.00 | |
| elysia karacter qube | | |
| Elysia mpressor | | |
| Elysia Mpressor 500 | $1,288.00 | |
| elysia mpressor qube | | |
| Elysia Nvelope 500 | $1,666.00 | |
| elysia nvelope qube | | |
| elysia qube 500 Series Chassis | | |
| Elysia Skulpter 500 | $1,533.00 | |
| elysia skulpter qube | | |
| Elysia xfilter 500 | $1,666.00 | |
| elysia xfilter qube | $1,987.00 | |
| Elysia xpressor 500 series | $1,666.00 | |
| elysia xpressor qube | | |
| Empirical Labs EL/Rx-H DocDerr | $1,387.00 | |
| Empirical Labs EL/RxVDocDerr | $1,520.00 | |
| Empirical Labs ELDSHDerrEsser | $783.00 | |
| Eventide DDL500 | $1,380.00 | |
| Forssell SMP-500 | | |
| Golden Age EQ573 | $398.00 | |
| Golden Age Premier PRE-73 DLX PREMIER | $1,199.00 | |
| Golden Age Project COMP-554 | $678.00 | |
| Golden Age Project PRE-573 MK3 | $548.00 | |
| Golden Age Project PRE-573 PREMIER | $817.00 | |
| Golden Age Project PRE-73 DLX MK2 | $733.00 | |
| Grace Design m501 | $1,240.00 | |
| Great River 32EQ | $1,299.00 | |
| Great River MP-500NV | $1,299.00 | |
| Great River PWM-501 | $1,399.00 | |
| Heritage Audio 2264 JR 500 Series | $2,137.00 | |
| Heritage Audio 73EQ JR 500 Series | $1,805.00 | |
| Heritage Audio 73JR 500 Series | $1,615.00 | |
| Heritage Audio BT-500 500 Series | $380.00 | |
| Heritage Audio MCM-8 II Summing Mixer | | |
| Heritage Audio OST-10 10-Slot 500 Series Rack | $1,330.00 | |
| Heritage Audio OST-4 V2.0 500 Series Rack with OS Tech | $617.00 | |
| Heritage Audio OST-6 6-Slot 500 Series Rack | $855.00 | |
| IGS 572 Red Stripe | $1,453.00 | |
| IGS 576 Blue Stripe | $1,398.00 | |
| IGS Audio iQ505 5 Band Fully Parametric Equalizer | | |
| IGS Audio NE573 | | |
| IGS Audio S-Type 500 | $1,321.00 | |
| IGS Bison 500 | $1,223.00 | |
| IGS ONE LA 500 | $1,521.00 | |
| IGS Panzer 500 - 10 Slot | $1,398.00 | |
| IGS Rubber Bands 500 | $1,321.00 | |
| IGS Rubber Bands 500 ME | $1,816.00 | |
| IGS TubeCore 500 | $1,611.00 | |
| Inward Connections Magnum | $1,349.00 | |
| Inward Connections The Brute | $1,399.00 | |
| JDK Audio V10 Single Channel Mic Pre | $992.00 | |
| JDK Audio V14 4 Band VPR 500 Format Equalizer | $992.00 | |
| Joe Meek meC500 | $479.00 | |
| Joe Meek meQ500 | $479.00 | |
| Joe Meek preQ500 | $479.00 | |
| Kush Audio Clariphonic 500 | $949.00 | |
| Kush Audio Omega 500 | $949.00 | |
| LaChapell 583S mk2 | $1,549.00 | |
| Lindel Audio 506 Power MKII | | |
| Lindel Audio PEQ-510A | | |
| Lindell 6X-500 Mic Pre/ EQ 500 Series | $510.00 | |
| Lindell 7X-500 Fet Style Compressor 500 Series | $510.00 | |
| Lindell Audio 503 Power | $467.00 | |
| Lindell Audio 506 Power MK II | $680.00 | |
| Lindell Audio 510 Power MKII | $807.00 | |
| Lindell Audio 6X500VIN | $561.00 | |
| Lindell Audio 77X-500 | $1,147.00 | |
| Lindell Audio 7X500VIN | $561.00 | |
| Lindell Audio EVO-6 | $977.00 | |
| Lindell Audio MID-500 | $977.00 | |
| Lindell Audio PEQ-501a 500 Series Retro 2-band Program Equalizer | $812.00 | |
| Lindell Audio PEX-500 Passive EQ 500 Series | $510.00 | |
| Lindell Audio PEX-500VIN | $561.00 | |
| Lindell Audio RE-51 | $977.00 | |
| Lindell Audio Vintage OPA | | |
| Lindell Audio WL-3 | $1,572.00 | |
| Little Labs BLP Blank Panel for RAKL Rackmount Kit | $44.00 | |
| Little Labs Vog | $698.00 | |
| Mercury AM16D | $1,299.00 | |
| Mercury DSeries G810 Rack System 1 complete w/ PSU | $2,499.00 | |
| Mercury DSeries G810 Rack System 2 Complete w/ PSU | $2,099.00 | |
| Millennia HV-35 Preamp 500 Series | $1,178.00 | |
| Neve AMS 1073LB 500 | $1,548.00 | |
| Neve AMS 1073LB, 1073LBEQ and 2264ALB Bundle | | |
| Neve AMS 1073LBEQ 500 | $1,548.00 | |
| Neve AMS 2264ALB 500 | $1,730.00 | |
| Neve AMS 88RLB Mono Mic Premap Module | $1,183.00 | |
| Pendulum OCL-500 | $2,049.00 | |
| Petes Place BAC-500 | $1,649.00 | |
| Phoenix DRS-1R-500 | $1,201.00 | |
| Phoenix Gyrator-EQ-500 | $1,335.00 | |
| Phoenix N90-DRC/500 | $1,335.00 | |
| Phoenix PIVOT TONE CHANNEL/500 | $1,112.00 | |
| Prodigy Bella | $1,449.00 | |
| PULTEC EQP-500X 500 SERIES PROGRAM EQUALIZER | $2,177.00 | |
| Pultec MEQ-500 Jack Douglas Edition | | |
| Purple Audio Action | | |
| Purple Audio Biz MK | | |
| Purple Audio Cans II | | |
| Purple Audio LILPEQr | | |
| Purple Audio LILPEQrM 500 Series | | |
| Purple Audio Moiyn | | |
| Purple Audio Odd | | |
| Purple Audio Pants | | |
| Purple Audio Sweet Ten Rack | | |
| Purple Audio Tav | | |
| Q2 Audio F765 500 Series "Compex" Compressor/Limiter | $1,882.00 | |
| Radial EXTC500 | | |
| Radial JDV500 | | |
| Radial Komit500 | | |
| Radial Workhorse | | |
| Rascal Audio OneV | $1,299.00 | |
| Rascal Audio TwoV | $2,199.00 | |
| Retro Double Wide 500 | $2,445.00 | |
| Retro Instruments 500PRE Tube Microphone Preamp | $1,955.00 | |
| Roll Music RMS5A7 | $1,599.00 | |
| Rupert Neve Designs 511 | $900.00 | |
| Rupert Neve Designs 517 | $1,440.00 | |
| Rupert Neve Designs 535 Diode Bridge Compressor | $1,665.00 | |
| Rupert Neve Designs 542 | $1,260.00 | |
| Rupert Neve Designs 543 | $1,665.00 | |
| Rupert Neve Designs 551 | $1,440.00 | |
| Rupert Neve Designs R10 | $1,530.00 | |
| Rupert Neve Designs R6 | $1,080.00 | |
| Serpent Audio Chimera 500 OPTO Compressor | $2,199.00 | |
| Serpent Audio SB4001 500 Stereo Buss Compressor Module | $1,899.00 | |
| Serpent Audio Send n' Blend 500 Blend Module | $749.00 | |
| Serpent Audio Splice-500 MKII FET Compressor | $1,899.00 | |
| Shadow Hills Dual Vandergraph | $3,298.00 | |
| Shadow Hills Mono Gamma 500 | $1,611.00 | |
| Speck Electronics EQF 810 Parametric Equalizer | $1,498.00 | |
| Spectra 1964 STX 100 Preamp | $1,549.00 | |
| Spectra 1964 STX 500 Equalizer | $1,099.00 | |
| SPECTRA 1964 STX100 MK2 500 SERIES PREAMP | $1,649.00 | |
| SPL Electronics TwinTube Processor RPM 500 | $699.00 | |
| SPL RackPack 4 Chassis for Four RPM Modules | $1,049.00 | |
| SPL RackPack Model 2710 Modular Rack System | $1,699.00 | |
| SSL LMC+ 500 Series Module | $1,049.00 | |
| SSL Stereo Bus Compressor 500 Series Module | $3,899.00 | |
| SSL VHD Pre 500 Series Module | $1,049.00 | |
| STANDARD AUDIO LEVEL-OR MK2 ANNIVERSARY EDITION | $949.00 | |
| Standard Audio Stretch | $1,149.00 | |
| Studio Projects SPM5 | $599.00 | |
| TK Audio BC501 | $1,628.00 | |
| TK Audio MB1 Mini Blender | $880.00 | |
| TK Audio SP-501 | $1,408.00 | |
| TK Audio T-Komp 500 | $1,056.00 | |
| TK Audio TK-lizer 500 | $2,112.00 | |
| TONELUX EQ5P 500 SERIES PARAMETRIC EQ | | |
| Tonelux MP5A | $798.00 | |
| Tonelux TX5C | $798.00 | |
| TREE AUDIO 3 IN THE TREE | $5,223.00 | |
| TREE AUDIO 3 IN THE TREE DUAL CHANNEL STRIP | $7,112.00 | |
| TREE AUDIO BAX EQ 500 SERIES EQUALIZER | $1,644.00 | |
| TREE AUDIO L/C 1 500 SERIES OPTO COMPRESSOR | $1,644.00 | |
| TREE AUDIO TREE COMP 500 SERIES VCA LIMITER/COMPRESSOR | $1,644.00 | |
| TREE AUDIO TREE PRE 500 SERIES MICROPHONE PREAMP | $1,644.00 | |
| TREE AUDIO TREEQ 2 500 SERIES 2-BAND PARAMETRIC EQUALIZER | $1,644.00 | |
| TREE AUDIO TREEQ 4 500 SERIES 4-BAND PARAMETRIC EQUALIZER | $1,644.00 | |
| Trident 80B EQ 500 | $621.00 | |
| Trident Deca Dent 500 Series Chassis | $1,298.00 | |
| TritonAudio D20 Tube-Fet 500 Series | $1,099.00 | |
| UK Sound MPL 500 Series Mic Pre | $911.00 | |
| Vintech 573 | $1,349.00 | |
| Warm Audio Tonebeast TB12 500 | $889.00 | |
| Warm Audio WA12-500 MkII Microphone Preamp | $666.00 | |
| Wunder Audio Allotrope EQ | | |
| Wunder Audio Cobolt Preamp | | |
