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OctoPre

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The line inputs are not routed through the mic pre amp section but through a line level amp and then through the filter, dynamics and converter. When the 'line' button is pressed in the level knob...
This is not possible - you will need an audio interface/sound card to connect the outputs of the Octopre to. The optional ADC cards for the Octopre give you the optiopn of a digital audio output but...
Unfortunately not but if you find them too bright then try putting some pieces of masking tape over them (not the markings though) so that they still shine through.
The analogue outputs are always active and you can use them simultaneously with the digital outputs.
The pinout for the 25 pin line out connector on the Octopre can be found here . The line outputs are balanced so you will need to ensure that the 25 pin connector is wired correctly if you intend to...
This has been known with early Octopre cards and can be fixed with a firmware update for the ADC card. If you are experiencing this problem then please contact us for further advice.
The Octopre connectors use a standard 4-40 thread (most all D Sub connectors will do).
So how does the dynamics circuit in the OctoPre actually operate? The Opto-driven dynamic circuit is not only a limiter and compressor, but also is split into two bands to improve sound quality. The...
The Octopre will get very hot when it is on since it uses class A circuitry - do not worry - this is normal!! There is a cooling fan in the Octopre whose speed is governed by a thermistor so the...
The Octopre is rated at 45W.
It is best to turn the unit off when it is not being used so as to let the capacitors discharge and save wear on the resistors therefore giving the unit a slightly longer shelf life.
The Octopre ADC specs are: 0dBFs = +22dBu S/N = -109dBfs measured with A weighting filter at 48Khz sample frequency. THD = <0.003% at 0dBfs with 1KHz signal measured with 20Hz/22Khz band pass...
The phantom power circuit is only on the XLR mic input. The line switch swaps the channel input between the XLR inputs and the line inputs (25 pin connector). Then the signal passes through the fader...