Pricing and availability

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Price History

Based on price data from 1 merchant for "Purple Audio 5M1 Biz". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Purple Audio 5M1 Biz is a powerhouse preamp designed for discerning audio professionals seeking both precision and versatility in their studio recordings. A standout in the world of 500 Series modules, this preamp combines three discrete amplifiers with an innovative Class AB opamp, offering an impressive 27dB of gain. This makes it adaptable to a variety of recording scenarios, from capturing the delicate nuances of ribbon mics to delivering robust, clean gain for dynamic microphones.

What truly sets the 5M1 Biz apart is its unique "Dual" switch, which reallocates gain between two Class A opamps, pushing the limits to an astounding 75dBu of clean gain. This feature ensures your recordings remain crystal clear while allowing for a wide range of tonal possibilities. For those seeking even more tonal exploration, the preamp includes a front-panel DI with load options of 33kohms or 100kohms, perfect for achieving that open, resonant sound.

In addition to its sonic capabilities, the 5M1 Biz is built with practical studio use in mind. It features a discrete signal path, input and output tri-color LED metering for precise monitoring, and an auto-resetting fuse that safeguards your gear without hindering the rest of your setup. Whether you're a seasoned engineer or a passionate hobbyist, the Purple Audio 5M1 Biz is engineered to elevate your recordings to new heights.

Key Features:

  • Discrete signal path
  • Output level control with tri-color LED metering
  • Mic/Line switch for rack input versatility
  • Bridging line input for high-output mics or line-level sources
  • Dual switch for up to 75dBu of clean gain
  • Load switch offering 33kohms or 100kohms for DI flexibility
  • Auto-resetting fuse for individual module protection

Product specs

Preamp Type Solid State
Number of Channels 1
Frequency Response 10Hz-70kHz
Phantom Power Yes

FAQs

What type of sound characteristics can I expect from the Purple Audio Biz 500 Series Microphone Preamp?

The Purple Audio Biz preamp delivers a solid-state sound with a wide frequency response from 10Hz to 70kHz, providing clarity and detail suitable for various recording applications.

Does the Purple Audio Biz 500 Series Preamp provide phantom power for condenser microphones?

Yes, the Purple Audio Biz 500 Series Preamp includes phantom power, making it compatible with condenser microphones that require external power.

How many channels does the Purple Audio Biz 500 Series Microphone Preamp have?

The Purple Audio Biz 500 Series Microphone Preamp is a single-channel preamp, designed for high-quality, focused recording of individual sound sources.

Is the Purple Audio Biz 500 Series Preamp suitable for home studio use?

Yes, with its solid-state design and broad frequency response, the Purple Audio Biz 500 Series Preamp is ideal for home studios seeking professional-quality preamplification for vocals and instruments.

Reviews

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Artist usage

Add artist
G

Greg Cartwright

Singer, Guitarist

Oblivians

...
Verified via EMusician

Used for vocals on Shattered, as mentioned producer and engineer Wayne Gordon in this August 28, 2014 Electronic Musician article,

Gordon put up two mics on Cartwright’s voice: “One was a Bock 241 and the other is one we call the ‘million-dollar mic.’ It’s a mic that my brother Lawrence Gordon built. Gabe had a shootout of all these great mics, and this one won, so we dubbed it the million-dollar mic. Those two main vocal mics were going through a Purple Biz pre and a Purple MC77 compressor. That captured the deepness of Greg’s voice, but also the clarity.”

Album Usage

The Purple Audio 5M1 Biz has been featured on the following albums:

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Purple Audio 5M1 Biz, it is most commonly used with the following gear.

Ampeg Gemini I G-12
Ampeg Gemini I G-12 Combo Guitar Amplifiers
1
Bock Audio 241
Bock Audio 241 Condenser Microphones
1
Shure SM57
Shure SM57 Dynamic Microphones
1

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