Purple Audio Biz MK - 500 Series Microphone Preamp & DI is a used item in very good condition, listed on Reverb. The asking price is £601. It is offered by Tinytelephone through Reverb. It is in our Preamps & Channel Strips category. Used Gear Hunter first saw this listing on 24 October 2026 and last saw it on 25 October 2026. It has been seen 3 times in our scans. Prices are converted from the seller's currency when we scan the listing, so the amount you pay may differ slightly. The seller sets shipping, and import duty or VAT may apply, so check the final cost and the item's details on Reverb before buying.

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Second Purple Audio Biz MK - 500 Series Microphone Preamp & DI Cost £799 and currently only available on backorder in the UK. Seldom used, in full working order. I have another unit available. Please see my other listings. Both consecutive serial numbers. Post to confirmed UK addresses only. Thanks for viewing. A unique sounding, three amplifier, discrete microphone preamp module. Designed to work in standard "500" racks. The smooth Gain control helps you dial in the sound you want. If the output level is too high (the Class A/B output op-amp can pump out up to +27 dBu), you can ride the level down with the separate Level control. Pressing the "Dual" switch splits the gain between two of our Class A op-amps, enabling up to 75 dBu of clean gain, making the Biz a perfect match for ribbon microphones. With different Gain, Level, and Dual settings the Biz can produce an infinite variety of tonal variations with the same amount of output level. The front panel DI helps you record instruments and line level sources with unrivaled clarity and punch.

Purple Audio Biz MK - 500 Series Microphone Preamp & DI

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