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RUPERT NEVE DESIGNS 517 500-series Microphone Preamp / Di / Compressor With Vari-phase

RUPERT NEVE DESIGNS 517 500-series Microphone Preamp / Di / Compressor With Vari-phase
SKU: 166255 Catalog #: 517



Vancouver Store
728 Granville St.
Vancouver, BC, V6Z 1E4
604-685-8471
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Coquitlam Store
2560 Barnet Hwy.,
#116 Coquitlam, BC, V3H 1W3
604-941-8447
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Langley Store
19638 Fraser Highway
Langley, BC, V3A 4C5
604-532-8303
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North Vancouver Store
#800-801 Marine Drive
North Vancouver, BC, V7P 3K6
604-988-9974
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Surrey Store
#157-10090 152nd Street
Surrey, BC, V3R 8X8
604-588-3200
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Richmond Store
#150-3631 No. 3 Road
Richmond, BC, V6X 2B9
604-273-6661
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Victoria Store
#105-2401D Millstream Road
Victoria, BC, V9B 3R5
250-383-5222
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Nanaimo Store
#10-6894 Island Hwy. North
Nanaimo, BC, V9V 1P6
250-390-2626
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Note: Stock availability may not be accurate, please contact your preferred location to confirm.

Description

Details

Based on the Portico 5017 Mobile Pre, the 517 provides world-class transformer-coupled micpreamp, compressor and DI circuitry with Vari-phase, “Silk” and DI/mic blending capabilities – all in a single 500 series module.

Mic Pre and Instrument Amplifier
The 517′s mic pre – based on the TEC Award-winning Portico 5017 – provides up to 66dB of gain, polarity-reverse and phantom power switches, and the “Silk” circuit for a more vintage vibe. The separate instrument amplifier includes 30dB of gain, a ground lift, variable phase and an instrument Thru connection.

Blended Use
Used as a single channel device for instruments, the 517 can be used to phase align, combine and compress direct and amplified signals. To achieve this, use the DI for the instrument’s direct signal and the mic preamp for the speaker cabinet signal. The blend control is used for mixing direct and amplified signals to achieve the desired tonal blend between the two sources, and the variphase is used to minimize or extenuate phase cancellations between the two signals.  To compress the blended signal, the internal compressor jumper must be set to the blend path (this is the default setting).  This technique could also be used to create a single, mixed output of a guitar and vocals.

The Compressor
Based around a new LDR (light dependent resister) design, the 517′s opto-coupler compressor has been simplified to a single threshold control with auto make up gain.  By default, the compressor is set to a fixed 2:1 ratio with fixed attack and release. To set the compressor, simply dial the threshold control down until the desired amount of compression is achieved. An LED light indicates when the compressor is active.

Vari-Phase
In addition to the standard polarity reverse, the 517′s vari-phase control may be used to adjust phase incrementally. This control is useful any time two signals derived from the same source are combined.

For instance, even with careful placement, the combination of close miced drums and overheads, can often yield hollow-sounding results. By using the variable phase adjust, the direct signal can be phase rotated until the signals are naturally aligned.

This technique is also extremely useful when combined with the internal blend control on instruments.  A bassist or guitarist using both direct and mic’d signals can blend the two into a single output, using the variable phase to reach an optimal alignment.  By adjusting the phase in the 517, the musician or engineer can find the absolute best mic position without regard to the phase relation to the direct signal.

Silk
Much could be written about this feature. Suffice it to say, it gives a subtle option to enhance sound quality in the direction of vintage modules. The silk button reduces negative feedback and adjusts the frequency spectrum to provide a very sweet and musical performance.

Mic Gain
Mic gain is from 0dB to 66dB overall gain.

DI Gain
DI Gain is from 0dB to 30dB.

DI input
Balanced or unbalanced Hi-Z input for instruments.

Phantom power
Provides 48v phantom power to microphones. Controlled by the 48V switch.

Polarity reverse
Reverses the polarity of the mic input.

Threshold
When signals exceed the "threshold" level, the gain is reduced at a controlled 2:1 ratio, with fixed attack and release time constants.

Indicators
Indicators on the 517 denote signal presence and clipping on both DI and mic signals, as well as compressor activation.

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