Rupert Neve Designs RNHP Precision Headphone Amplifier

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Whether you’re tracking, mixing, or just listening to music, your headphone amplifier is as important to the final sound quality as your headphones – yet the world is full of headphone amps with compromised sonics, headroom, and power. To address these shortcomings, Rupert and his team at Rupert Neve Designs have developed the RNHP.

Based on the headphone output circuit in the 5060 Centerpiece Desktop Mixer, the RNHP is a dedicated 24V reference-quality headphone amplifier with specifically-calibrated +4dBu balanced line, unbalanced RCA and 3.5mm (1/8”) inputs, housed in a rugged VESA-mountable steel chassis. With effortless, wide-open sonic performance and the ability to drive any pair of headphones without compromise, the RNHP allows you to perform, mix and enjoy your music with a new level of clarity.

Precision Sound
Wide-open, extremely detailed sound quality allows you to get the most out of your headphones

Dedicated Power
High-power, high-headroom design can effortlessly drive high-impedance (up to 600 Ohm) headphones even during the loudest, most dynamic tracking sessions

Reliable Translation
The near-zero output impedance (.01 Ohm at 1kHz), direct-coupled amplifier design provides for excellent translation with any pair of headphones

Precision Stereo Potentiometer
The highly damped stereo potentiometer is designed to give you precise level control and maintain perfect left-right balance

Professional Line Input
The calibrated +4dBu line input is selected with the “A” switch. The combo jack accepts either XLR or TRS inputs for balanced professional devices.

RCA Input
The unbalanced RCA input is calibrated for -10dBV signals and is selected with the “B” switch. The RCA jack is commonly used with home stereo devices or Prosumer equipment

3.5mm Input
Stereo 3.5mm input specifically calibrated to work with mobile devices like phones, computers and digital cameras

VESA Mount
The VESA 100 compatible mount enables you to mount the RNHP wherever it needs to be. Common mounts are pole-mount arm for mic stands, pivoting multi-arm desk mount, and wall / surface mount for securing upside-down under a table, music stand or other studio furniture

Steel Clamshell Chassis
The RNHP’s rugged, solid-steel chassis is built to a high industrial standard with an overhang to protect the connectors and main level control from glancing blows, as well as shock-absorbing rubberized feet

24V DC Input
The RNHP can be powered using either the included 6 watt power supply or a 24V, 0.25A min battery (not sold by RND)

Technical Specs

Maximum Input Levels
“A” XLR I/P: +22.8 dBu @1kHz
“B” RCA I/P: +14.7dBu @1kHz,
“C” 3.5mm I/P: +3.3dBu @1kHz

Output Power:
As measured with typical headphones, Z=44 Ω: 3.617 VAC RMS @1kHz = 300mW RMS
16 Ω typical Load: 1.933 VAC RMS @1kHz = 230mW RMS
150 Ω typical Load: 5.108 VAC RMS @1kHz = 175mW RMS

Output Impedance
.08 Ω @ 1KHz, 16-150 Ω load, 0dBu input

Frequency Response
+/- .2dB from 10Hz to 120KHz

Noise
Measured with typical headphones, Z=44 Ω, BW 22Hz – 22kHz
“A” XLR Input: -101.9dBV,
“B” RCA Input: -100.9dBV
“C” 3.5mm Input: -88.8dBV

Dimensions
6.5” wide x 4.6” deep and 1.9” tall

Power Supply Requirements
24VDC @ 0.25Amp (6 watt) minimum. Use with supplied power adapter, as this has been carefully selected for best output power and noise performance. May be used with a properly configured 24V battery as well.