Rotel DX-3

Headphone Amplifier

Rotel DX-3

Headphone Amplifier
$1,499.00
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Overview

The ultimate personal audio companion combining an exquisite industrial design with the sophistication of a premium, fully balanced Headphone Amplifier supported by an ESS Sabre ES9028PRO DAC. Connect your balanced or single-ended phones to the DX-3 or attached directly to a pair of active, powered speakers rending music up to 32-bit/384kHz from the PC-USB input, 24-bit/192kHz via Coaxial/Optical, aptX HD Wireless Bluetooth or any legacy audio equipment via the AUX RCA input.

Fully balanced circuit topology is powered by an in-house manufactured toroidal transformer with ultra-low noise isolation and filter capacitors. The full color graphic display, extruded aluminum remote control and front panel controls ensure ease of operation and configuration.

The DX-3 is perfect for audiophiles who want to enjoy music through loudspeakers or in private listening sessions, combining performance and style.

Sabre ES9028PRO 8-channel DAC

At its core the DX-3 is driven by a Sabre ES9028PRO 8-channel DAC ensuring exceptional digital-to-analog conversion rendering music with ultimate resolution maximized on an immersive soundstage. The internal headphone amplifier is powered by a custom in-house manufactured, shielded toroidal transformer with high current drivers to deliver dynamics with an ultra-low distortion of <0.004%.

Support for Low and High Impedance Headphones

Variable user selectable headphone gain levels of High, Medium and Low ensures support for low and high impedance headphones through convenient front panel 4.4mm balanced and 6.35mm single ended headphone connectors. Volume attenuation is controlled by an audiophile grade NJW1195A analog controller delivering precise steps as refined as 0.5dB.

Flexibility of Installation

The DX-3 also functions as a standalone DAC and fully functional Preamplifier via XLR Balanced and RCA outputs. This extends the flexibility of installation to directly drive external amplifiers, powered speakers or feeding an existing audio system.

Ideal for Discerning Audiophiles

A full-color front panel display provides all user feedback and simplifies a powerful array of setup options with ease. The included aluminum extruded remote control puts the power of the DX-3 in your hands providing access to all runtime and setup functions.

Whether used as a high-performance Headphone Amplifier, feature laden Preamplifier or high-performance DAC, the DX-3 redefines the personal audio space with performance, features and value exquisitely packaged; ideal for discerning audiophiles.

Details & Specs

Model Rotel DX-3
HEADPHONE SECTION
Power Output (THD+N < 1%) Single-ended (6.35 mm): 765 mW (16 Ω), 383 mW (32 Ω), 41 mW (300 Ω)
Balanced (4.4 mm): 2.8 W (16 Ω), 1.4 W (32 Ω), 150 mW (300 Ω)
Total Harmonic Distortion (32 Ω, 1k Hz) Single-ended: < 0.008% @ Output = 70 mW
Balanced: < 0.004% @ Output = 270 mW
Intermodulation Distortion (60 Hz : 7k Hz, 4:1) Single-ended: < 0.01%
Balanced: < 0.006%
Frequency Response 20 Hz - 20k Hz, (+0 dB, -0.2 dB)
Output Impedance Single-ended: < 0.3 Ω
Balanced: < 0.6 Ω
Signal to Noise Ratio (IHF “A” weighted) Single-ended: > 100 dB
Balanced: > 110 dB
Gain 0 dB @ Gain = H
-6 dB @ Gain = M
-12 dB @ Gain = L
Recommended Headphone Impedance 16 Ω - 300 Ω
ANALOG SECTION
Total Harmonic Distortion (20 Hz– 20k Hz) Unbalanced (RCA): < 0.006%
Balanced (XLR): < 0.003%
Intermodulation Distortion (60 Hz : 7k Hz, 4:1) < 0.001%
Frequency Response 20 Hz – 20k Hz (+0 dB, -0.4 dB)
Signal to Noise Ratio (IHF “A” weighted) > 107 dB
Line Output Level / Impedance Unbalanced (RCA): 1 Vrms / 100 Ω
Balanced (XLR): 2 Vrms / 200 Ω
Input Sensitivity / Impedance 1.2 V / 10k Ω
Input Overload 5 V
Channel Separation > 86 dB @ 10k Hz
DIGITAL SECTION
Total Harmonic Distortion (20 Hz– 20k Hz) Unbalanced (RCA): < 0.005%
Balanced (XLR): < 0.003%
Line Output Level Unbalanced (RCA): 1.6 Vrms
Balanced (XLR): 3.5 Vrms
Frequency Response 10 Hz – 20k Hz (+0 dB, -0.5 dB)
Signal to Noise Ratio (IHF “A” weighted) > 112 dB
Input Sensitivity / Impedance 0 dBFS / 75 Ω
Digital Inputs SPDIF LPCM (up to 24-bit / 192k Hz )
PC-USB USB Audio Class 2.0 (up to 32-bit / 384k Hz )*
*Driver installation required
Support DSD (up to 11.2 MHz) and DoP (up to 5.6M Hz)
Roon Tested
GENERAL
Power Requirements USA: 120 V, 60 Hz
Europe: 230 V, 50 Hz
Power Consumption 30 W
Standby Power Consumption < 0.5 W
Dimensions (WxHxD) 8 1/2" x 3" x 9 3/4" (215 x 76 x 247 mm)
Front Panel Height 2 3/4" (70 mm)
Weight (net) 7.1 lbs (3.2 kg)
Finish Black and Silver

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