Violectric Niimbus US 5 PRO Headphone Pre Amplifier

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Niimbus US 5 PRO

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1-year-warranty

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£5,140

Features

256-step reed relay volume control (Niimbus US 5 Pro+ version only)
A motorised volume control and a balance control
4 powerful amps offering 7000 mW Pmax into 50 Ohm and 32 V RMS into 600 Ohm
Monitoring of the headphone output in terms of DC and overload
Headphone path and line-out path individually selectable
1 balanced headphone output with 4-pin XLR
1 balanced headphone output with 4,4 mm Pentaconn
2 single ended outputs with 6,3 mm jack
2 x Line-outputs, 1 x unbalanced via RCA, 1 x balanced via XLR
Adaptation of the line-out signal to the following devices in the range of +/- 12 dB
2 toroidal transformers, > 50,000 uF filter capacity
-18 – +24 dB Pre-Gain to perfectly adapt the US 5 between source and headphones
3 analogue stereo inputs, 2 x unbalanced via RCA, 1 x balanced via XLR

Specifications

Analogue input parameter
Inputs (stereo)	1 x XLR female, balanced
Inputs (stereo)	2 x RCA, unbalanced
Max. input voltage	+ 21 dBu, Input impedance: 10 kohm
Line out parameter
Line outputs (stereo, analogue)	1 x XLR male, balanced
Line outputs (stereo, analogue)	1 x RCA unbalanced
Line-Out Gain	-12 / -6 / 0 / +6 / +12 dBr
Max. output voltage	+ 21 dBu, Output impedance : 1 Ohm
Headphone amp parameter
Nominal input sensitivity	+6 dBu
Feedback gain	0 dB unbal
Feedback gain	+6 dB bal
Pre-gain	-18 / -12 / -6 / 0 / +6 / +12 / +18 / +24 dBr
Frequency range	5 Hz … 250 kHz (- 0.5 dB)
Balance	+/- 6 dB
Output impedance	0.1 Ohm unbalanced
Output impedance	0.2 Ohm balanced
Damping factor (Load 50 Ohm)	500 unbal / 250 balanced
Dynamic range	> 135 dB (A-wtd)
Noise	< -104 dBu (A-wtd)
THD+N (1kHz/2x10V/100R = 1W)	< -104 dB / < 0.00063%
THD+N (1kHz/2x4V/32R = 0.5W)	< -103 dB / < 0.00071 %
Crosstalk	-105 dB (1 kHz) / -103 dB (15 kHz)
Headphone outputs	1 x 4-pin XLR
	1 x 4.4 mm Pentaconn
	2 x (6.3 mm) jack
General
Supply voltage	230 V AC / 115 V AC max. 50 VA
Front, Back	10 mm / 3 mm Aluminium, black anodised
Case	2 mm sheet steel, metallic coating
Case dimensions	351 x 59 x 248 mm (W x H x D)
Overall dimensions	351 x 90 x 275 mm (W x H x D)

Description

Niimbus US 5 PRO

The Niimbus US 5 PRO is the successor of the praised headphone amps US 4 / US 4+.

The new amps offer the same unsurpassed powerful, noiseless and perfect-sounding headphone amp circuitry to drive any dynamic and planar headphone.

The Niimbus US 5 PRO offers a pre-amp function to connect directly and control power amps or active speakers.

Nearly all functions can be conveniently controlled using a stylish remote.

The Niimbus US 5 PRO additionally offers a 256-step reed relay volume control.
Connect not only your headphones to the Niimbus US 5 PRO but also your power amplifier or your active speakers and enjoy a compact and fantastic-sounding headphone amplifier and/or a premium preamplifier.

LOWEST NOISE

Through a minimal amount of internal gain. This makes the amplifier’s self-generated noise inaudible.

HIGH OUTPUT VOLTAGE

Through 60 V internal operating voltage. Therefore ideally suited for high-impedance headphones deserving high output voltage swing.

HIGH OUTPUT POWER

Thanks to powerful amplifiers that offer far more power than even the most demanding headphones would need. So, best suited for headphones with low impedances and planar (magnetostatic) headphones !!

HIGH DAMPING FACTOR

Due to the lowest output impedance. Therefore the ideal match for difficult-to-drive headphones without negative side effects and with the guarantee of uncompromising frequency response.

Remote

Control the Nimbus US 5 PRO with its stylish remote control, milled from a solid piece of aluminium. Via infrared rays, you have access to motorized volume control, mute, input selection, Headphone and line-out control.

Additional information

Colour	Black

Warranty

Backed with 1 year of Violectric Warranty

Delivery Info

Delivery Information

As a company our primary goal is to provide a seamless service that results in customer satisfaction. We aim to deliver within 3 working days. Unfortunately, there may be occasions where this time frame may not be met due to unforeseen circumstances; in this instance, we deliver product/s as soon as we can. All delivery charges are included within the prices quoted, unless otherwise specified.

All small items are usually delivered between 9am and 6pm, on a Monday to Friday, unless a Saturday delivery is requested. Follow My Parcel is an industry-changing innovation from DPD Local, which will give your customers unparalleled levels of information and peace of mind.Not only will your customers receive a one hour delivery timeslot, but they’ll now also be able to track the progress of their parcels on a map as our drivers make their way to the delivery addresses. Follow My Parcel will:

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Violectric Niimbus US 5 PRO Headphone Pre Amplifier