| A-Designs EMBLUE | $899.00 | |
| A-Designs EMGOLD | $899.00 | |
| A-Designs EMRED | $899.00 | |
| A-Designs EMSILVER | $899.00 | |
| A-Designs P1 | $1,049.00 | |
| AEA RPQ500-2 | $1,177.00 | |
| Aphex A Pre 500 | $949.00 | |
| Aphex JPRE500 | $1,049.00 | |
| API 312 - 50th Anniversary Edition | $2,288.00 | |
| API 312 500 Series Discrete Microphone Preamp | $1,144.00 | |
| API 512C | $1,408.00 | |
| API 512v Discrete Mic / Line Pre | $1,540.00 | |
| API 535-LA Line Amplifier | $924.00 | |
| 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 1272 Module | $1,104.00 | |
| BAE 312A Module | $1,435.00 | |
| BAE 312B Module | $1,435.00 | |
| BAE DLB w/ 1x 500 Series 312a Mic Pre | $1,821.00 | |
| BAE DLB w/ 2x 500 Series 312a Mic Pres | $3,256.00 | |
| Black Lion Audio Auteur MKII 500 Mic Pre | $315.00 | |
| Burl Audio B1D 500 Microphone Preamp with BX4 Iron Output Transformer | $1,398.00 | |
| Burl B1 Mic Pre 500 | $1,398.00 | |
| Buzz Audio Elixir 500 Series | $999.00 | |
| Chameleon Labs 581 500-series Microphone Preamplifier | $658.00 | |
| Chameleon Labs 581 iMOD 500-series Microphone Preamplifier | $940.00 | |
| Cranesong Syren | $2,244.00 | |
| Electrodyne 501 Preamp | $1,501.00 | |
| Elysia Karacter 500 | $1,644.00 | |
| Elysia Skulpter 500 | $1,533.00 | |
| Empirical Labs EL/RxVDocDerr | $1,520.00 | |
| Forssell SMP-500 | | |
| Golden Age Premier PRE-73 DLX PREMIER | $1,199.00 | |
| 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 MP-500NV | $1,299.00 | |
| Heritage Audio 73JR 500 Series | | |
| Heritage Audio 73JR II 500 Series | | |
| IGS 572 Red Stripe | $1,453.00 | |
| IGS Audio NE573 | | |
| Inward Connections Magnum | $1,349.00 | |
| JDK Audio V10 Single Channel Mic Pre | $992.00 | |
| Joe Meek preQ500 | $479.00 | |
| Kush Audio Omega 500 | $949.00 | |
| LaChapell 583S mk2 | $1,549.00 | |
| Lindell 6X-500 Mic Pre/ EQ 500 Series | $510.00 | |
| Lindell Audio 6X500VIN | $561.00 | |
| Lindell Audio EVO-6 | $977.00 | |
| Lindell Audio RE-51 | $977.00 | |
| Lindell Audio WL-3 | $1,572.00 | |
| Mercury AM16D | | |
| 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 88RLB Mono Mic Premap Module | $1,183.00 | |
| Prodigy Bella | $1,449.00 | |
| Purple Audio Biz MK | | |
| Purple Audio Cans II | | |
| Purple Audio Pants | | |
| Radial JDV500 | | |
| Rascal Audio OneV | $1,299.00 | |
| Rascal Audio TwoV | $2,199.00 | |
| Retro Instruments 500PRE Tube Microphone Preamp | $1,955.00 | |
| Roll Music RMS5A7 Tubule 500 Series | $1,198.00 | |
| Rupert Neve Designs 511 | $900.00 | |
| Rupert Neve Designs 517 | $1,440.00 | |
| Shadow Hills Mono Gamma 500 | $1,611.00 | |
| 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 | |
| STANDARD AUDIO LEVEL-OR MK2 ANNIVERSARY EDITION | $949.00 | |
| Studio Projects SPM5 | $599.00 | |
| TK Audio SP-501 | $1,408.00 | |
| Tonelux MP5A | $798.00 | |
| TREE AUDIO TREE PRE 500 SERIES MICROPHONE PREAMP | $1,644.00 | |
| 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 | $827.00 | |
| Warm Audio WA12-500 MkII Microphone Preamp | $620.00 | |
