Rupert Neve Designs Portico II Operation Manual
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Rupert Neve Designs Portico II Operation Manual

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Summary of Contents for Rupert Neve Designs Portico II

  • Page 1 Serial #: Operations Manual...

  • Page 2: Power Requirements

    Thank you for your purchase of a Portico II Channel module. Everyone at Rupert Neve Designs hope you enjoy using this tool as much as we have enjoyed designing and building it. The name “Portico II” will be used for a series of new ultra-high end professional products that will share some traits.

  • Page 3: Channel Strip

    The fuse is a protection device intended to prevent additional damage or hazard if the Portico II unit de- velops a problem. However sometimes a fuse may “pop” due to a mains surge and need to be replaced (it probably did protect the Portico II). The symptom of a blown fuse is simply that the unit does not power up.
  • Page 4 De-esser EQ Master Master engage for the EQ Multi-variable de-esser tuned with the HMF section with pre or post frequency and Q controls compressor selection (EQ adjustments may be Line Input made simultaneously with EQ Transformer balanced line level control) LMF EQ level input with +/- 6dB trim +/- 15dB gain from 70 to...
  • Page 5 Compressor-Limiter Fully featured classic compressor-limiter with attack, release, threshold, ratio, link, compression Blend LED Metering mode, parallel blend, A parallel matrix providing Dual 16 point peak meters make-up gain, HPF side continuously variable control display compressor gain chain and master engage to mix compressed and reduction and output levels uncompressed signals...

  • Page 6: Microphone Input

    The Rupert Neve Designs Portico II™ Channel The Rupert Neve Designs Portico II Channel is a full 19” rack width, 3.5” (2U) with standard rack mounting “ears”. As with the entire Portico II range, the construction incorporates a heavy and robust steel shell that provides total magnetic screening and exceptional mechanical stability.

  • Page 7: The Line Input

    Freedom from the interference fields that are inevitably present in any control room is virtually guaranteed by the balanced, ground-free design used in the Channel Strip. The classic Rupert Neve designed modules always used transformers, as do a number of other high quality vintage modules still in current use.
  • Page 8 of a de-esser that pulls down the volume of the whole signal if it senses an “ess”. And it should be noted that the built-in Channel Strip De-Esser acts in a different way and only reduces the narrow area of frequencies that the High Mid EQ is set for.
  • Page 9 impedance causes the high frequencies to roll off due to leakage inductance in the transformer in addition to the above amplifier distortion (This can be an advantage with some microphones!). For this reason we have provided a high value of input impedance that will load microphones to the smallest possible extent and makes the best possible use of that limited “Phantom”...
  • Page 10 sections of the recording. Experience shows that mic preamps and basic console routing paths should offer supreme fidelity otherwise the engineer has little control or choice of recorded “color” and little recourse to undo after the fact. Devices or circuits that can easily be bypassed are usually better choices when “color”...

  • Page 11: High Pass Filter

    engineers follow the basic rule of keeping +48V off until all mics are plugged in and verify that faders and/or monitor volume controls are down before switching +48V on. Most dynamic mics, ribbon mics and tube condensor mics do not need +48V but some newer ones do or they will not work. Many condensor mics require +48V Phantom power or they will not function.
  • Page 12 POST COMP Pushing this button changes the order of where the EQ and Compressor are in the circuit. Normally the EQ is followed by the Compressor so that the Compressor responds to significant tonal changes caused by the EQ. This is generally advisable but has a down-side when making large changes to the EQ, one will also probably need to adjust compression thresholds to maintain consistent amounts of gain reduction.
  • Page 13 LMF/HMF IN Engages both the Low Mid and High mid sections and allows one to adjust the mids. HMF -15 / +15 (Boost /Cut knob) Adjusts the amount of High Mid Frequency audio. One can cut or boost by up to 15 dB at frequencies selected by the knob above it.
  • Page 14 De-Esser Suggestions One can use the combination of the buiilt in de-esser plus an eq to shape the compressor response for additional control DE-ESSING USING AN EXTERNAL EQ WITH ONBOARD COMPRESSOR ANY EQ ADJUST HF BOOST LF CUT SIDE CHAIN LINK OUTPUT LINE IN...

  • Page 15: Compressor Section

    PEAK Selects a symmetrical bell-shaped EQ curve with an approximate “Q” of 2.5. With the button de- selected, the EQ is a special Accelerated Slope shelf curve first introduced by the Portico 5032, that is particularly sweet. Selects the center frequency of the bell in peak mode and the 3 dB down point in the shelf mode. The four rotary switch selectable frequencies are 4.7 kHz, 6.8 kHz, 12 kHz and 25 kHz.
  • Page 16 COMP IN The compressor section is not bypassed with this button in. This may be the most useful control on the compressor because it is there for “confidence checks”. In particular, exercise it in both the quietest and the loudest sections of the song. Watch out for the compressor exaggerating noise and room sound in the quiet sections and chopping off transients and consonants in the loud sections, either of which suggest maybe too much compressor “action”.

  • Page 17: Gain Reduction Meter

    compressor/limiters to introduce a nasty form of distortion called “modulation distortion” when they are set for a combination of fast attacks, fast releases and high ratios. FAST This changes the compressor from essentially responding to the RMS level of the audio to also responding to the PEAK level.

  • Page 18: Specifications

    POWER We obviously saved the best for last. If this button is not pressed then the Portico II is maximally “green” and exhibits its absolute lowest noise floor. However, for any of the previously described features and fun controls to have any significance, the POWER button should be pressed. If nothing happens when the button is pressed and not one LED even winks at you, then you may also want to plug in the Power cord too.
  • Page 19 Can be routed to the compressor side chain Equalizer LF SECTION Frequency: Rotary switch selectable 35Hz, 60Hz, 100Hz, 220Hz Shelf type: “Rupert Neve Designs Accelerated Slope” Peak /Bell Q: Approximately 2.5 Maximum range Cut 15 dB, Boost 15 dB LMF SECTION...
  • Page 20 Portico II Recall Sheet...

  • Page 22: Product Warranty

    PRODUCT WARRANTY Rupert Neve Designs warrants this product to be free from defects in materials and workmanship for a period of one (1) year from date of purchase, and agrees to remedy any defect identified within such one year period by, at our option, repairing or replacing the product.

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