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This very original preamp design offers tone and versatility like no other for your 500 series rack!
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 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. The Biz uses two KDJ3 opamps and one KDJ4 opamp.
Purple Audio Biz Features
- 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 8×2 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
Purple Audio Biz Specifications
- Maximum output level +27dBu
- Frequency response 10hz – 70kHz +/- 1db (3db down at 100kHz)
- Transformer input:
- Mic mode
- Maximum gain 60dB in single mode
- Maximum gain 75dB in dual mode
- Line mode
- Maximum gain 35dB in single mode
- Maximum gain 50dB in dual mode
- Direct input:
- Maximum gain 30dB in single mode
- Maximum gain 40dB in dual mode
- ROHS – Lead Free
Our ONE WITH EVERYTHING ZEN WARRANTY extends the standard manufacturer warranty by one year, see our ZEN WARRANTY page for details.