The Ocean Audio MicPre one is no longer manufactured.
The Interphase Audio Iron is the much improved version
The information on this page is for reference only.
The 500 MicPre one is a Mic / Line Preamp module, with custom transformers on both input and output.
It has a huge gain range from -10 dB to 60 dB.
The separate Hi-Z input on the front panel allows you to directly plug-in a guitar or keyboard, and / or use this unit as a DI-box.
Phantom Power and Phase Reverse switch are pretty standard on most Preamps, but this unit also has a 30 to 300 Hz sweepable hi-pass filter.
More details on the 500 MicPre one :
* Mic / Line Preamp module
* Custom transformers on both Input and Output
* Gain Range from -10 dB to 60 dB
* Separate Hi-Z input (on front panel) with gain control
* 30 to 300 Hz sweep hi-pass filter
* Phantom Power switch
* Phase Reverse switch
* Fits any 500-series rack or console
* Designed by Malcolm Toft
* Hand-crafted and hand-wired by Ocean Audio in the UK
While the standard versions are with black faceplate and knobs, we also produced a Limited Edition Series with grey faceplate.
Only 100 of the Limited Series were produced, each of them was personally signed by Malcolm.
Mic input impedance : 1.2K ohms transformer balanced
Hi-Z / Line input impedance : 1M ohm unbalanced
Output Impedance : 600 ohms transformer balanced
Frequency Response : ± 1dB 20Hz to 20kHz
Maximum Output level : +21dBm
Distortion (mic) : <0.1% at +20dBm 1 kHz
Noise (mic) : >-126dBm E.I.N 20Hz to 20kHz
Power requirements : ± 16V DC 30mA approx.