Maag Audio EQ4-500

Maag Audio EQ4-500

690 £829.00
£690.83 ex VAT
Heritage Audio OST-8 adat

Heritage Audio OST-8 ADAT

798 £958.00
£798.33 ex VAT
Fredenstein Bento 6S Black

Fredenstein Bento 6S - Black

290 £349.00
£290.83 ex VAT
Fredenstein Bento 6 Rack Ears

Fredenstein Bento 6 Rack Ears

32 £39.00
£32.50 ex VAT
Fredenstein Bento 2

Fredenstein Bento 2

182 £219.00
£182.50 ex VAT
Fredenstein Blank Panel

Fredenstein 500-Series Blank Panel - Gold

15 £18.00
£15.00 ex VAT
elysia xfilter 500 - Front

Elysia Xfilter 500 Stereo EQ 500-Series Module

491 £589.50 £655.00
£491.25 ex VAT
KMR Exclusive
Crane Song Falcon 500-Series - Front

Crane Song Falcon

1207 £1,449.00
£1,207.50 ex VAT
API 525 Mono Compressor/Limiter

API 525 Mono Compressor/Limiter

825 £990.00
£825.00 ex VAT
API 512C

API 512C

745 £895.00
£745.83 ex VAT
AMS RMX16 500 Main

AMS RMX16 500 Series

995 £1,194.00
£995.00 ex VAT
A-Designs EM PEQ 500-series Passive EQ

A-Designs EM PEQ

999 £1,199.00
£999.17 ex VAT
B-Stock
Roger Mayer 456HD-500

Roger Mayer 456HD-500 (B-Stock)

532 £639.00 £714.00
£532.50 ex VAT
B-Stock
Neve_1073LB_KMR_1

Neve 1073LB Pre (B-Stock)

735 £882.00
£735.00 ex VAT
Harrison Audio 32Cpre+

Harrison Audio 32Cpre+

548 £658.00
£548.33 ex VAT
Harrison Audio Comp

Harrison Audio Comp

299 £359.00
£299.17 ex VAT
Harrison Audio MR3eq

Harrison Audio MR3eq

299 £359.00
£299.17 ex VAT
Spectra 1964 STX100 D

Spectra 1964 STX 100 D

999 £1,199.99
£999.99 ex VAT
Interphase Audio Carbon 500

Interphase Audio Carbon 500

429 £515.00
£429.17 ex VAT
Interphase Audio IRIDIUM 500

Interphase Audio IRIDIUM 500

499 £599.00
£499.17 ex VAT
Interphase Audio HELIUM 500

Interphase Audio HELIUM 500

570 £685.00
£570.83 ex VAT
Maag Audio PREQ2-500 Microphone Preamplifier

Maag Audio PREQ2-500 Microphone Preamplifier

839 £1,007.00 £1,007.00
£839.17 ex VAT
Solid State Logic 4K B-DYN 611B Compressor 500 Series Module

Solid State Logic 4K B-DYN 611B Compressor 500 Series Module

499 £599.99
£499.99 ex VAT
Black Lion Audio Seventeen 500

Black Lion Audio Seventeen 500 Compressor

499 £599.00
£499.17 ex VAT

A small revolution happened a few years ago when API Audio decided to open up its very popular 500 series format to the industry.

The 500 Series is a modular audio system introduced in the late 1990s by API Audio. It consists of a rack-mounted chassis that can accommodate multiple 500-series modules, which are individual pieces of analogue audio processing equipment. Each module is designed to perform a specific function, such as mic preamplification, equalisation, compression, or reverb, and can be easily swapped in and out of the rack.

The 500 Series has become popular among audio engineers and producers due to its compact size, flexibility, and high-quality sound. It allows users to customise their signal chain by mixing and matching different modules from various manufacturers and is often used in recording studios, live sound reinforcement, and broadcast applications.

Whilst the 500 series in concept is actually taken directly from their console line, this has led to not quite a replacement but certainly an augmentation from pure rack processors to power supply-less modules. Because the power is already provided and the modules are small, they can be cheaper than their rackmount equivalents and sometimes more flexible for different work environments.

This has opened up serious recording devices to even more people and, once again, increased the sonic palette available. Pretty much every processor and style of sound is available for the 500 series.

Mic preamps, compressors and all types of EQ...then there are Filters, Headphone Amps, De-essers, and some AD/DA converters available in this format. 

Check out our  'Is the 500-Series For Me' blog article as it covers many of the FAQ's


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