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RME ADI-2/4 Pro SE 2-AD/4-DA 768 kHz, High-Performance Converter

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Description

The ADI-2/4 Pro SE is a 2-channel analog input to digital and 4-channel digital to analog output converter in a half-rack (9.5") enclosure of 1 U height. Latest 32 bit / 768 kHz converters offer up to 123 dBA signal to noise ratio. This value is not only printed in the brochure – it is what the unit achieves in real-world operation. Reference class tech specs throughout are combined with an unprecedented feature set. A powerful DSP adds all kinds of useful audio processing, including 5-band parametric EQ, fast Bass/Treble adjustment, Crossfeed, and a new concept in Loudness sound control. Operation is quick and easy through 3 encoders with push button function and 4 more buttons to access dedicated menus. The unit remembers all current settings, even the menu position. Additionally the unit’s whole setup as well as equalizer settings can be stored under individual names. Read more

Features

  • 2-Channel A/D, 4-Channel D/A Converter
  • SteadyClock with Femtosecond Technology
  • Supports AES/EBU, ADAT, S/PDIF
  • 2 x Extreme Power Headphone Outputs
  • PCM/DSD Record/Playback
  • Built-In Digital Signal Processing
  • USB 2.0 Class Compliant

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The ADI-2/4 Pro SE is a 2-channel analog input to digital and 4-channel digital to analog output converter in a half-rack (9.5") enclosure of 1 U height. Latest 32 bit / 768 kHz converters offer up to 123 dBA signal to noise ratio. This value is not only printed in the brochure – it is what the unit achieves in real-world operation. Reference class tech specs throughout are combined with an unprecedented feature set. A powerful DSP adds all kinds of useful audio processing, including 5-band parametric EQ, fast Bass/Treble adjustment, Crossfeed, and a new concept in Loudness sound control. Operation is quick and easy through 3 encoders with push button function and 4 more buttons to access dedicated menus. The unit remembers all current settings, even the menu position. Additionally the unit’s whole setup as well as equalizer settings can be stored under individual names. Read more

Features

  • 2-Channel A/D, 4-Channel D/A Converter
  • SteadyClock with Femtosecond Technology
  • Supports AES/EBU, ADAT, S/PDIF
  • 2 x Extreme Power Headphone Outputs
  • PCM/DSD Record/Playback
  • Built-In Digital Signal Processing
  • USB 2.0 Class Compliant

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About the RME ADI-2/4 Pro SE 2-AD/4-DA 768 kHz, High-Performance Converter

The ADI-2/4 Pro SE is a 2-channel analog input to digital and 4-channel digital to analog output converter in a half-rack (9.5") enclosure of 1 U height. Latest 32 bit / 768 kHz converters offer up to 123 dBA signal to noise ratio. Reference class tech specs throughout are combined with an unprecedented feature set. A powerful DSP adds all kinds of useful audio processing, including 5-band parametric EQ, fast Bass/Treble adjustment, Crossfeed, and a new concept in Loudness sound control.

The ADI-2/4 Pro includes two servo-balanced analog inputs on combo XLR / TRS jacks, two separate balanced and unbalanced outputs on XLR and TRS, two stereo Extreme Power headphone outputs on the front for easy balanced operation of all headphones, including IEMs via Pentaconn connector.

Key Features

  • 2-Channel A/D, 4-Channel D/A Converter
  • SteadyClock with Femtosecond Technology
  • Supports AES/EBU, ADAT, S/PDIF
  • 2 x Extreme Power Headphone Outputs
  • PCM/DSD Record/Playback
  • Built-In Digital Signal Processing
  • USB 2.0 Class Compliant

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RME ADI-2/4 Pro SE 2-AD/4-DA 768 kHz, High-Performance Converter Specs

Analog Inputs
XLR/TRS
Input
XLR and 6.3 mm TRS jack, servo-balanced
Input impedance @ 1 kHz, balanced
90 kOhm, unbalanced
Input sensitivity switchable
+24 dBu, +19 dBu, +13 dBu, +7 dBu, +1 dBu @ 0 dBFS
Digital Trim Gain range
0 dB up to +6 dB, in steps of 0.5 dB
Signal to Noise ratio (SNR) @ +13/19/24 dBu
>120 dB (AES17), >123 dBA
Signal to Noise ratio (SNR) @ +7/+1 dBu
>120 dB (AES17), 123 dBA
Frequency response* @ 44.1 kHz, -0.1 dB
0.4 Hz – 20.4 kHz
Frequency response* @ 96 kHz, -0.5 dB
0.2 Hz – 45.5 kHz
Frequency response* @ 192 kHz, -1 dB
0.15 Hz – 90.9 kHz
Frequency response* @ 384 kHz, -1 dB
0.15 Hz – 182 kHz
Frequency response* @ 768 kHz, -1 dB
0.15 Hz – 348 kHz
THD @ -0.5 dBFS
> -130 dB, 0.0000316 %
THD+N @ -0.5 dBFS
-119 dB, 0.000112 %
Channel separation
> 130 dB @ 1 kHz
RIAA Mode via TS
RIAA deviation 20 Hz – 20 kHz
< ±0.05 dB
Input impedance
45 kOhm @ 1 kHz, input capacitance 150 pF
Sensitivity
+14 dB: 20 mV, +20 dB: 10 mV, +26 dB: 5 mV
Sensitivity
+32 dB 2.5 mV, +38 dB: 1.25 mV
Additional 0 to +6 dB Gain in steps of 0.5 dB via Trim Gain
Maximum input level @ +14 dB
114 mV, -16.6 dBu
Maximum input level @ +20 dB
57 mV, -22.6 dBu
Maximum input level @ +26 dB
28.4 mV, -28.7 dBu
Maximum input level @ +32 dB
14.3 mV, -34.7 dBu
Maximum input level @ +38 dB
7.2 mV, -40.6 dBu
Digital headroom in all Gains, related to sensitivity
15 dB
Signal to Noise Ratio (SNR), 20 Hz-20 kHz, +14/20 dB Gain
88 dB, 92 dBA
Signal to Noise Ratio (SNR), 20 Hz-20 kHz, +26 dB Gain
80.5 dB, 85 dBA
Signal to Noise Ratio (SNR), 20 Hz-20 kHz, +32 dB Gain
74 dB, 78.5 dBA
Signal to Noise Ratio (SNR), 20 Hz-20 kHz, +38 dB Gain
68 dB, 73 dBA
THD+N, 20 Hz-20 kHz, +14/+20 dB
-88 dB, 0.004 %
THD+N, 20 Hz-20 kHz, +26 dB
-81.5 dB, 0.0084 %
THD+N, 20 Hz-20 kHz, +32 dB
-74 dB, 0.019 %
THD+N, 20 Hz-20 kHz, +38 dB
-69 dB, 0.035 %
Analog Outputs
1/2 XLR
Maximum Output Level
+26.5 dBu @ 0 dBFS
Output level switchable
+24 dBu, +19 dBu, +13 dBu, +7 dBu, +1 dBu @ 0 dBFS
Signal to Noise ratio (SNR) @ +7/+13/19/24 dBu
120 dB (AES17), 123 dBA
Signal to Noise ratio (SNR) @ +1 dBu
119 dB (AES17), 120 dBA
Frequency response @ 44.1 kHz, -0.1 dB
0 Hz – 21 kHz
Frequency response @ 96 kHz, -0.5 dB
0 Hz – 44.9 kHz
Frequency response @ 192 kHz, -1 dB
0 Hz – 90 kHz
Frequency response @ 384 kHz, -1 dB
0 Hz – 181 kHz
Frequency response @ 768 kHz, -3 dB
0 Hz – 285 kHz
THD @ 0 dBFS
< -120 dB, 0.0001 %
THD+N @ 0 dBFS
-116 dB, 0.00016 %
Channel separation
> 130 dB
Output impedance @ 1 kHz @ +24/+19/+13 dBu
213 Ohm
Output impedance @ 1 kHz @ +7/+1 dBu
113 Ohm
1/2 TS (rear)
As output XLR, but:
Output
6.3 mm TRS jack, impedance-balanced
Maximum output level
+21.5 dBu @ 0 dBFS
Signal to Noise ratio (SNR) @ +19/13 dBu
120 dB (AES17), 123 dBA
Signal to Noise ratio (SNR) @ +7 dBu
119 dB (AES17), 121 dBA
Signal to Noise ratio (SNR) @ +1 dBu
118 dB (AES17), 118 dBA
Output impedance @ 1 kHz
balanced 213 Ohm, unbalanced 106 Ohm
Phones 1/2, Phones 3/4
As Output 1/2 TRS, but:
Output
6.3 mm TRS stereo jack, unbalanced
Maximum output level
+21.5 dBu @ 0 dBFS
Output impedance
0.1 Ohm
Signal to Noise ratio (SNR) @ +19 dBu (Hi-Power)
120 dB (AES17), 122 dBA
Signal to Noise ratio (SNR) @ +7 dBu (Lo-Power)
119 dB (AES17), 121 dBA
Signal to Noise ratio (SNR) @ +1 dBu (IEM)
118 dB (AES17), 120 dBA
Output level at 0 dBFS, Ref Level +19 dBu, load 100 Ohm or up
+21.5 dBu (9.2 V)
Minimum load impedance IEM @ +1 dBu
4 Ohm
Minimum load impedance Lo-Power @ +7 dBu
8 Ohm
Minimum load impedance Hi-Power @ +19 dBu
24 Ohm
THD @ +20 dBu, 32 Ohm load (1.9 Watts)
-124 dB, 0.000057 %
THD+N @ + 20 dBu, 32 Ohm load (1.9 Watts)
-118 dB, 0.00011 %
Max power @ 0.001% THD
2.1 W per channel
Channel separation 20 Hz – 20 kHz
80 dB @ 32 Ohm
Balanced Phones mode
As before, but:
Maximum output level
+27.5 dBu (18.4 V) @ 0 dBFS
Output levels switchable
IEM +7 dBu, Lo-Power +13 dBu, Hi-Power +25 dBu
Output levels switchable
IEM 1.73 V, Lo-Power 3.46 V, Hi-Power 13.8 V
Output impedance
0.2 Ohm  Signal to Noise ratio (SNR) @ +25 dBu: 120 dB (AES17), 122 dBA
Signal to Noise ratio (SNR) @ +13 / +7 dBu
119 dB (AES17), 121 dBA
Minimum load impedance IEM @ +7 dBu
8 Ohm
Minimum load impedance Lo-Power @ +13 dBu
12 Ohm
Minimum load impedance i Hi-Power @ +25 dBu
40 Ohm
Max power @ 0.001% THD
4 W per channel  Channel separation
Digital Inputs
General
Lock Range
28 kHz – 200 kHz
Jitter suppression
> 50 dB (> 1 Hz)
Accepts Consumer and Professional format
AES/EBU
1 x XLR, transformer-balanced, galvanically isolated, according to AES3-1992
Input sensitivity 1.0 Vpp
SPDIF coaxial
1 x RCA, transformer-balanced, according to IEC 60958
High-sensitivity input stage (< 0.3 Vpp)
AES/EBU compatible (AES3-1992)
SPDIF optical
1 x optical, according to IEC 60958
ADAT compatible
Digital Outputs
AES/EBU
1 x XLR, transformer-balanced, galvanically isolated, according to AES3-1992
Output level 2.7 Vpp
Format Professional according to AES3-1992 Amendment 4
Single Wire mode, sample rate 28 kHz up to 200 kHz
SPDIF coaxial
1 x RCA, according to IEC 60958
Output level 0.75 Vpp
Format Consumer SPDIF according to IEC 60958
Single Wire mode, sample rate 28 kHz up to 200 kHz
SPDIF optical
1 x optical, according to IEC 60958
Format Consumer (SPDIF) according to IEC 60958
Sample rate 28 kHz up to 200 kHz
Digital
Clocks
Internal, AES In, SPDIF In, ADAT In
Jitter suppression of external clocks
> 50 dB (> 1 Hz)
Effective clock jitter influence on AD and DA conversion: near zero
PLL ensures zero dropout, even at more than 100 ns jitter
Additional Digital Bitclock PLL for trouble-free varispeed ADAT operation
Supported sample rates for external clocks
32 kHz up to 200
Internally supported sample rates
44.1 kHz up to 768 kHz

Key Features

  • 2-Channel A/D, 4-Channel D/A Converter
  • SteadyClock with Femtosecond Technology
  • Supports AES/EBU, ADAT, S/PDIF
  • 2 x Extreme Power Headphone Outputs
  • PCM/DSD Record/Playback
  • Built-In Digital Signal Processing
  • USB 2.0 Class Compliant

Already own this item and want to sell it?

Click here to sell your item

FAQs about RME ADI-2/4 Pro SE 2-AD/4-DA 768 kHz, High-Performance Converter

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