Instrukcja obsługi Rupert Neve Designs RNHP Precision

Rupert Neve Designs odbiornik RNHP Precision

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RNHP:
Precision Headphone Amplifier
User Guide
Common Source Devices
In addition to being able to drive a wide variety of headphones without sacricing performance, the RNHP is also capable of
receiving a wide array of signals with its 3 separately calibrated inputs. Here are some common examples:
Maximum Input Levels
XLR I/P: +22.8 dBu @1kHz, RCA I/P: +14.7dBu @1kHz, 3.5mm I/P: +3.3dBu @1kHz
Output Power:
As measured with 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
With typical headphones, Z=44 Ω, BW 22Hz – 22kHz
XLR Input: -101.9dBV, RCA Input: -100.9dBVdBu, 3.5mm Input: -88.8dBV
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
“A” +4dBu Line (XLR or TRS) Devices “B” RCA Devices “C” 3.5mm Stereo Devices
Studio Audio Interfaces (Line or Monitor Out)
Headphone Mixers (Line Output or send low level HP out)
Mixing Consoles (Line or Monitor Out)
Professional Turntable Mixers (Line or Monitor)
Professional Stereo Digital to Analogue Converter
Professional Cameras
Studio Monitor Controller
CD Players / DVD Players
Stereo Tuners
Preamplied Turntables
Prosumer Recording Devices / Cameras
Phones
Mobile Music Players
Computers
DSLR Cameras
Handheld Recording Devices
Any 3.5mm headphone output
p/n 775-00024 Rev A
Thank you for your purchase of the RNHP: Precision Headphone Amplier. Everyone at Rupert Neve Designs hopes you enjoy
using this tool as much as we have enjoyed designing and building it.
Front / Back Panel
RNHP Overview
The RNHP is designed to deliver precise, extremely reliable amplication to any pair of headphones. Based on the headphone
amplier in our model 5060 Centerpiece, the RNHP is a dedicated 24V, reference-quality headphone amplier with calibrated
+4dBu Line, RCA and 3.5mm stereo 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.
Usage Notes
Performance Monitoring and Unconscious Adaptation: One of the most critical roles for the RNHP is for encouraging the
very best performances from musicians. With many integrated headphone ampliers, non-linear frequency response, noise,
distortion and lack of headroom can be quite problematic when actual headphones are connected. While to many, these
ampliers may seem “good enough”, this overlooks the power of unconscious response. To understand why, one needs to
realize that the human brain and hearing system are interconnected both consciously and unconsciously. While the conscious
mind says “that sounds good enough”, the unconscious mind reacts to the cues fed back to it in ways that even experienced
artists can’t overcome. A prime example of this power can be observed with speech jamming applications, which make people
unable to speak uidly due to slightly delayed feedback of the voice (download one yourself to experience it). Although the
effects on a performer of a skewed frequency response or running out of headroom are subtle by comparison, a collection of
subtle emotional nuances in a performance can be what separates a good performance from a sensational performance. As
music lovers and music creators, our goal is to empower artists to perform and react to those nuanced emotions whenever
possible.
The Challenge of Reliable Performance with Headphones: Unlike static loads, the reactive load impedance that headphones
present can vary greatly depending on frequency, far more so than even loudspeakers. The result of this reactivity is that
the frequency response, noise and distortion of many ampliers will suffer when compared to the same amp with an ideal
resistive load. When using headphones for critical listening, mixing or deciding how to place microphones in the studio, these
shifts can provide a false account of the source material. The RNHP is designed with a near Zero Ohm output impedance to
minimize these issues in both individual headphones and when comparing multiple pairs of headphones. This performance is
imperative for those who need to trust the decisions they make with headphones.
VESA Mount: The RNHP may be mounted with any VESA 100 compatible mount. This may include pole mounts, wall mounts,
table mounts, or articulating arm mounts. These mounts can help to ensure the RNHP is always in the perfect position.
Multiple Line Feed: In some situations where you only have one pair of outputs but need to feed the RNHP and another device
such as speakers, a second headphone amplier, or a 2-track recorder, we recommend using a splitter cable from the Left and
Right line outputs to feed both devices from the same stereo pair.
High Power Headphone Amplication & Hearing Loss: The RNHP is designed with an abundance of headroom and power
so that it can perform comfortably during tracking sessions with high dynamic range and loud ambient volumes, even while
feeding high impedance headphones. This is to say that the RNHP can make your headphones very loud if it is turned up too
high, and that could cause permanent hearing damage. Please be kind to your ears when using the RNHP.
RNHP: Precision Headphone Amplifier
A B C
MIN MAX
Rupert Neve Designs
VOLUMEHEADPHONE INPUT SELECT
RNHP Precision
Headphone Amplier
Heaphone Output
Near zero output impedance
1/4” stereo output for
headphones; Min. headphone
impedance: 16 Ohm
Input Select
Selects between inputs
A= +4dBu Combo Jack
B= -10dBV RCA
C= 3.5mm Stereo
Volume
High precision, highly-damped
continuously variable
stereo potentiometer for
amplifier volume control
POWER
B
Made in USA
Rupert Neve Designs
Model RNHP 24VDC
RIGHTLEFT
C
L
R
A
1 0
Line input
Combo jack XLR
& TRS callibarated for
+4dBu, balanced signals
3.5mm Input
3.5mm stereo input
designed for signals
from mobile devices
RCA Input
RCA input jack
calibrated for unbalanced
-10dBV signals
Power
Switches on the
headphone amplifier. On
each power up, the input
select defaults to “A”
Power Input
24VDC, 0.25A Min (6 watt)
Use with supplied power
adapter for best performance

Specyfikacje produktu

Marka: Rupert Neve Designs
Kategoria: odbiornik
Model: RNHP Precision

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