Tuesday, April 26, 2011

Purple Audio Biz Mk -- Discrete Class A+A/B Dual Mode 500 Series Microphone Preamplifier with DI

500 series gear seems to be the rage nowadays and Purple Audio has some interesting modules. One of which is the Biz MK; A unique sounding, three amplifier, discrete 500 series microphone preamp module.

"The smooth Gain control helps you dial in the sound you want. If the output level is too high (the Class A/B output opamp 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 opamps, 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. Two LEDs clearly indicate signal level for the gain and output stages at a glance, turning green to indicate signal present, yellow for 10dB below clipping, and red for clipping."


Output level control
Input and output tricolor LED metering
Mic / Line switch for rack input
Bridging line input for high output mics or line level sources
Use with our Moiyn 8x2 mixer module in the Sweet Ten rack for mic or line mixing

DI Load switch for front panel input
33kohms as in the original Biz or 100kohms for a more open tone
Discrete signal path
Over Current Resettable Fused (prevents any module problem from affecting your rack)
ROHS - Lead Free


Maximum output level +27dBu
Frequency response 10hz – 70kHz +/- 1db(3db down at 100kHz)
Transformer input:
Mic modeMaximum gain 60dB in single modeMaximum gain 75dB in dual modeLine modeMaximum gain 35dB in single modeMaximum gain 50dB in dual mode

Direct input:
Maximum gain 30dB in single modeMaximum gain 40dB in dual mode

$725 at Dale Pro Audio:

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