Rupert Neve Designs Portico II Channel
For recording and mixing engineers, the greatest challenge will always be to capture and transform disparate 2-D elements into an engrossing 3-D vision that elicits the same raw emotions and compelling vibrance as the live performance. With the Portico II Channel, every possible attention has been paid towards producing the most accurate, sweet-sounding audio topologies, while enabling engineers with the tools they need to boldly shape or fine tune tracks to the limits of their imaginations.
The Portico II Channel was created using the high voltage topologies from the 5088 to create a channel strip with the ultimate sound quality. Comprised of a fully-featured mic preamplifier, 4-band EQ, compressor-limiter, “texture” control and level metering, the Portico II Channel includes a bevy of new features including; Variable Silk with Texture control, a fully tunable “de-esser”, multiple VCA filtering and detection options, a transient-optimized swept HPF and parallel compression blending. With its simple yet powerful topologies and extensive feature set, every element of the Portico II: Channel is geared towards empowering recording artists to realize these visions.
Input signals may be derived from any of three sources; Microphone, Line or DI. The Microphone input has a 10K Ohm non-reactive input resistance that handles a full 26dBu signal without the need for a pad. A primary Gain control provides 66dB of gain in 6dB increments for easy recall with a +/- 6dB Trim for fine adjustment. A transient-optimized HPF variable from 20-250Hz is included. Additionally, a 48V Phantom Power switch, Phase Inversion, Signal Present indicator and a Mute switch are included. The pre-amp is a TLA non-reactive design that precludes the loading of microphones with limited driving capability and which maintains a 2 dB noise figure over a wide range.
Inserting a plug into the DI input selects a 3M Ohm discrete FET DI circuit with a transformer-coupled topography that optimizes both the microphone and DI inputs, allowing low impedance microphones and high impedance sources like electric guitars and basses to sound their very best. Primary Gain and Trim controls are fully operational. A “Thru” jack on the front panel that duplicates the unaffected source signal allows the use of an external amplifier if required. A “Line” switch selects the independent Line XLR non-reactive input circuit that includes the HPF and Level Trim controls.
Continuously variable control for Silk and Silk+ modes allows the engineer to fine tune the harmonic ratio and tonality of the channel.
Moves the EQ after the Compressor
Tunable with the HMF EQ bandwidth reduction, the multi-variable De-Esser can be used to soften harsh sibilance in voices and instruments
A parallel matrix providing continuously variable control to mix compressed and uncompressed signals
Changes the VCA Detection from a forward feed design (fast, more accurate attack & release) to a feed back design (smoother, more musical response)
RMS / Peak
Overrides the attack setting, using a combination of peak and RMS detection set below 1ms
Side Chain Send/Return
External compressor side chain send and return on 2 x TRS jacks. The send is always active and normalled to the return (NOTE: If the send and return are connected to a patchbay, the send should be normalled or connected to the return by default, as the compressor will not trigger if the return has no signal)
Dual 16 point peak meters display compressor (not de-esser) gain reduction and output levels
High Pass Filter
Continuously variable from 20-250Hz
HPF to Side Chain
Uses the HPF in the Compressor Side Chain
Provides 66dB in 6dB steps
Continuous +/- 6dB level contro
Reverses the polarity of the signal
Selectable 48V for powering microphones
Discrete FET input for Hi-Z instruments
Selectable +4 balanced input
+/-15dB adjustment at 35, 60, 100, and 220 Hz, independent LF engage, selectable classic bell or accelerated shelf curves
+/-15dB adjustment from 70 to 1.4KHz, with a continuous “Q” from .7 to 5., engaged with the MF switch.
+/-15dB adjustment from 700Hz to 14KHz, with a continuous “Q” from .7 to 5., engaged with the MF switch.
+/-15dB adjustment at 4.7, 6.8, 12, and 25kHz, independent HF engage, selectable classic bell or accelerated shelf curves
All EQ In
Enables all EQ Bands (Individual bands must still be engaged)
Engages Compressor section
Comes with Manufacturer's Warranty
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