Preso più per curiosità che per necessità, ora è il mio rigerimento. ho trovato un R1 usato su Subito (sempre Audiophonics) e confermo che è un ottimo marchio (Audio-GD) e un ottimo sistema. Appena possibile mi compro il R11 MKII.
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This product has been replaced by the new version, the AUDIO-GD R2R-11 MK2 DAC Headphone amplifier.
DAC / Headphone Amplifier
The Audio-GD R2R 11 is THE Swiss army knife for audiophiles. Combining the functions of DAC, Preamplifier and Headphone Amplifier, it will fulfill most needs./ P>
Embarking many new features, this new version of the acclaimed NFB11 now offers a discrete R2R DAC, a USB Amanero Combo 384, a dual-stage power supply, selectable digital filters and an MCU controller.
This R2R11 benefits from 2019 update. This improvement significantly lowers noise while playing DSD (difference measured up to -14dB). The DSD mode now offers performance close to OS architecture while retaining its NOS design.
The 2019 release also includes 2018 update (removal of pops when switching from a PCM format to another).
Equipped with a USB interface Amanero Combo 384 rather than USB32, it offers both performance and compatibility. It supports sampling rates up to 32bit / 384kHz and the DXD, DSD64 and DSD128 (DSD256 and DSD512 on Windows). Its design allows it to enjoy a very low jitter.
The R2R 11 offers optimal performance thanks to componentss chosen carefully. Thus, in addition to supporting the DSD / DXD and sampling rates up to 32bit / 384kHz, it takes advantage of the Non-Feedback (NFB) technology developed by Audio-GD on the ACSS stage. This allows the converter to offer less sound color and therefore a faithful reproduction, a very low distortion and high linearity. You gain in dynamics, details and neutrality.
The NFB-R2R 11 now features a dual discrete R2R DAC R2R Specially designed and optimized for converting digital to analog signals. This allows output sample rate support up to 32bit / 384kHz and a 100dB Signal / Noise ratio.
All components have been carefully selected to offer a device as powerful as durable. Thus, you will find for example an ALPS 27 potentiometer or pure copper RCA plugs.
Par défaut la position fixed est désactivée par mesure de sécurité en cas d'utilisation comme préamplificateur. Il est possible de la réactiver en déplaçant le jumper à l'intérieur de l'appareil.
Connections: Inputs | |
---|---|
USB Amanero | x1 |
Coaxial | x1 |
Optics | x1 |
Connections: Outputs | |
---|---|
RCA ACSS | x1 |
6.35mm Jack | x1 |
Specifications | |
---|---|
S / N | 118dB |
Output level | Headphone: 10V RMS / Variable: 5V Max / Fixe : 2.5V RMS (High Gain) / 1V RMS (Low Gain) |
Output Headphone power | 3500mW (25 Ohm) / 1800mW (50 Ohm) / 900mW (100 Ohm) / 300mW (300 Ohm) / 150mW (600 Ohm) |
Headphone output impedance | 2Ω |
DAC output impedance | 2Ω |
Coaxial Input Sensitivity | 0.5Vp-p (75Ω) |
Optical input sensitivity | 19dBm |
Frequency response | 20Hz - 20kHz (-0.2dB) / 3Hz - 350kHz (Analog) |
Sample rate | USB up to 384kHz / Coaxial up to 192kHz / Optical up to 96kHz |
Miscellaneous | |
---|---|
Compatibility | Windows, Mac |
Consumption | 12W |
Weight | 2kg |
Dimensions | 180 x 220 x 55mm |
Accessories | 1x AC power cable / 1x USB cable 1.3m |
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