Interface audio USB

Prism Sound Atlas

Name: Atlas
Brand: Prism Sound
SKU: 202911
Rating: 5.0 (2 reviews)

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Interface audio USB de la marque Prism Sound

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Créée le 20/01/2014

Fabricant : Prism Sound
Modèle : Atlas
Catégorie : Interfaces audio USB
Poids du colis : 5 kg

-	FRONT PANEL

Instrument Inputs	2 x 6.3mm mono jack sockets, auto-select to analogue inputs 1 & 2 when plugged
Headphone Outputs	2 x 6.3mm stereo TRS Jacks, each with illuminated volume control
Master volume	Assignable encoder / push switch with halo indication
Standby button	with standby indicator (also flashes when unit is in 'identify' mode)
Indication:
Level Meters	10 x multi-segment bargraphs with overload indication, 8 for analogue, 2 for digital, assignable to inputs or outputs
Input selection	Indicate mode of analogue inputs 1-8 as Mic / line / inst with phantom power indication for mic mode
Overkiller	For every analogue input, lit when Overkiller limiters are acting
Digital Input	indicators for digital input unlocked and SRC (sample-rate converter) selected
Digital Output	indicator for SRC (sample-rate converter) selected
Sync	Master indicator, lit when interface is providing system sync

-	REAR PANEL

Mic / Line inputs	8 x combo connectors with XLR sockets for mic input and 6.3mm TRS jack sockets for line input (balanced or unbalanced)
Line outputs	8 x 6.3mm TRS jack sockets (balanced or unbalanced)
Digital inputs	1 x RCA 1 x TOSLINK for S/PDIF or ADAT Optical input; (RCA can operate as AES3 input using XLR-RCA adapter supplied)
Digital output	1 x RCA 1 x TOSLINK for S/PDIF or ADAT Optical output; (RCA can operate as AES3 output using XLR-RCA adapter supplied)
MIDI I/O	2 x 5 Pin DIN sockets (in and out)
Wordclock	2 x BNC sockets, output and input (75R)
USB port	1 x USB 2 port
Ethernet port	For future expansion / AVB
MDIO Expansion Slot	For alternative digital multi-channel I/O
Mains power	3-pin 6A IEC inlet

-	SOFTWARE SUPPORT

Mac OS Support	OS X 10.4 or later, Intel platform
Windows OS Support	Windows Vista, 7 or 8, 32 or 64 bit
Mac audio driver	Core Audio device
Windows audio driver	ASIO device
Control Panel applet	Graphical user interface for control of single or multiple Atlas units under Mac OS X or Windows.

-	ANALOGUE LINE INPUTS

Configuration	Electronically balanced, with fully-balanced analogue signal path
Input Sensitivity	Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV' (0dBFS = +6dBu)
Input Impedance	14.5kΩ
Unbalanced Mode	Automatic
Total harmonic distortion	-117dB (0.00014%, -0.1dBFS)
THD+N	-111dB (0.00028%, -0.1dBFS)
Dynamic Range	116dB (-60dBFS)
Gain Accuracy	±0.05dB
LF roll-off	-0.05dB at 8Hz; -3dB at <1Hz
HF roll-off	fs = 44.1kHz: -0.05dB at 21.1kHz; -3dB at 22.0kHz fs = 48kHz: -0.05dB at 23.0kHz; -3dB at 23.9kHz fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.9kHz fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 78kHz
CMRR	20Hz..20kHz: >70dB
Inter-channel cross-talk	1kHz: <140dB; 20Hz..20kHz: <-120dB
Inter-channel phase	10Hz..5kHz: ±0.25°, 5kHz..20kHz: ±1.0°, 20kHz..50kHz: ±2.0°,
Overkiller	Progessive limiter, auto-aligning, selectable per channel
Impact Filter	High-pass filter, -3dB at 80Hz, 40dB/decade (selectable for channels 1-4; whether in line, mic or instrument mode)
RIAA de-emphasis filter	Response accuracy: ±0.22dB at fs=44.1kHz; ±0.14dB at fs=48kHz; ±0.015dB at other sample rates
M-S matrix	Allows direct connection of mid-side mics, or non-matrix mic-preamps (selectable for channels 1-4; whether in line or mic mode)

-	MICROPHONE PREAMPLIFIERS

Configuration	Electronically balanced, with fully balanced analogue signal path
Gain	10dB to 65dB in 1dB steps (0dBFS = -56dBu to -1dBu)
Gain accuracy	±0.05dB
Input impedance	5.5kΩ
THD	+10dB gain: -116dB at -0.1dBFS (0.00016%) +40dB gain: -110dB at -0.1dBFS (0.00032%)
THD+N	+10dB gain: -108dB at -0.1dBFS (0.00040%)
Equivalent input noise (EIN)	+30dB gain: -128.5dBu (0Ω source); -126.3dBu (150Ω source) +40dB gain: -130.9dBu (0Ω source); -127.6dBu (150Ω source) +50dB gain: -131.2dBu (0Ω source); -127.7dBu (150Ω source) +60dB gain: -131.4dBu (0Ω source); -127.8dBu (150Ω source)
LF roll-off	-0.05dB at 20Hz, -3dB at 5Hz
HF roll-off	As per analogue line input data (dependent on fs)
CMRR	50Hz/60Hz: >110dB at all gains 1kHz: >100dB at all gains 20kHz: >90dB at all gains
Phantom power	+48V, switchable per channel
Pad	-20dB, switchable per channel

-	INSTRUMENT PREAMPLIFIERS

Configuration	Unbalanced, high impedance buffer
Gain	10dB to 65dB in 1dB steps, 18dB pad (0dBFS = -38dBu to 17dBu)
Gain accuracy	±0.05dB
Input impedance	1MΩ

-	ANALOGUE OUTPUTS

Configuration	Electronically balanced, with fully-balanced analogue signal path
Output amplitude	Switchable '+4dBu' (0dBFS = +18dBu) or '-10dBV (0dBFS = +6dBu)
Output impedance	100Ω balanced, 50Ω unbalanced
Unbalanced mode	Automatic, with bootstrapping level compensation
Total harmonic distortion	-107dB (0.00045%, -1dBFS)
THD+N	-106dB (0.00050%, -0.1dBFS)
Dynamic range	115dB (-60dBFS)
Gain accuracy	±0.05dB
LF roll-off	-0.05dB at 8Hz, -3dB at <1Hz
HF roll-off	fs = 44.1kHz: -0.05dB at 21.4kHz; -3dB at 22.0kHz fs = 48kHz: -0.05dB at 23.2kHz; -3dB at 23.9kHz fs = 96kHz: -0.05dB at 32.0kHz; -3dB at 47.8kHz fs = 192kHz: -0.05dB at 32.0kHz; -3dB at 76kHz
Output balance	>50dB
Inter-channel cross-talk	1kHz: <135dB; 20Hz..20kHz: <-120dB
Inter-channel phase	10Hz..5kHz: ±0.4°, 5kHz..20kHz: ±0.25°, 20kHz..50kHz: ±0.5°,

-	DIGITAL INPUTS

Formats supported	S/PDIF (RCA or TOSLINK), ADAT, ADAT S/MUX (TOSLINK)
Sample rates supported	S/PDIF (2 channel): 44.1, 48, 88.2, 96, 176.4 and 192kHz ADAT (8 channel) 44.1 and 48kHz ADAT S/MUX (4 channel): 88.2 and 96kHz
Channel Status	ignored
Word-length	24 bit
AES3 operation	via S/PDIF RCA, using RCA-XLR adaptor (supplied)
Sample-rate converter (SRC)	Selectable at S/PDIF input; allowing input at any sample rate
Bit transparency	Maintained (allows recording of Dolby or DTS streams)

-	DIGITAL OUTPUTS

Formats supported	S/PDIF (RCA or TOSLINK), ADAT, ADAT S/MUX (TOSLINK)
Sample rates supported	S/PDIF (2 channel): 44.1, 48, 88.2, 96, 176.4 and 192kHz ADAT (8 channel) 44.1 and 48kHz ADAT S/MUX (4 channel): 88.2 and 96kHz
Channel Status	Full implementation, Consumer (S/PDIF) or professional (AES3)
Word-length	24 bit, or reduction to 16 bits using flat TPDF dither or Prism Sound SNS (Super Noise Shaping - four alternative shapes available)
AES3 operation	via S/PDIF RCA, using RCA-XLR adaptor (supplied)
Sample-rate converter (SRC)	Selectable at S/PDIF output; output rate can be referenced to Wordclock, DI or local clock at 44.1, 48, 88.2, 96, 176.4 or 192kHz
Bit transparency	Maintained in 24 bit mode (allows playback of Dolby or DTS streams to external decoder)

-	SYNCHRONIZATION

System sample rates	44.1 / 48 / 88.2 / 96 / 176.4 / 192kHz
Sync sources:
Master	local, Wordclock, DI (S/PDIF input) or ADAT
Slave	bus master (another interface or Host computer)
Local clock accuracy	±50ppm
Jitter rejection	>60dB / decade above 100Hz
Internal mixer delay (total analogue in to out)	fs = 44.1kHz: 0.56ms; fs = 48kHz: 0.52ms; fs = 88.2kHz: 0.2ms; fs = 96kHz: 0.18ms; fs = 176.4kHz: 0.09ms; fs = 192kHz: 0.08ms;

PHYSICAL

Form factor	2u 19inch rack mountable (rubber feet and rack ears supplied)
Dimensions	Table top (inc feet): W: 440mm D: 290mm H: 95mm Rack-mount (inc ears): W: 483mm D: 290mm H: 88mm (2u)
Power:	90-250VAC, 50/60Hz internal power supply IEC 6A connector
Power consumption	35W
Fuse rating	0.5A(T), 20mm, ceramic
Weight:	5kg
Operation ambient conditions	0 to 35°C, 85% maximum relative humidity

-	SUPPLIED ACCESSORIES

Printed manual	x 1
Software CD	x 1
IEC mains lead	x 1
19" Rackmount ears	x 2 (pair)
Allen key (for rack ears)	x 1
USB lead	x 1
XLR-F to RCA-M adaptor (S/PDIF/AES3)	x 1
XLR-M to RCA-M adaptor (S/PDIF/AES3)	x 1

Except where otherwise stated, audio performance data are RMS, unweighted, 20Hz..20kHz figures, measured at 997Hz, using fs = 96kHz and '+4dBu' sensitivity settings.

In keeping with our policy of continual development, specifications are subject to amendment without notice. E&OE.

All Trade Marks Acknowledged.

The rear panel photograph shows the optional MDIO card fitted.

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Avis utilisateurs

5.0/5

(2 avis)

100 %

(2 avis)

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tonton erno

Amplitude

Publié le 14/02/21 à 07:49

Cette machine est exceptionnelle. Grand son ample, fidèle avec ressources infinies. Les préamps sont à tomber. Elle ne clipse jamais ! Il y a de la finesse, de la chaleur et de la précision.
Attention toutefois aux mises à jour avec pro tools, ce n'est pas toujours très simple (toujours télécharger les firmwares récents.

inti

Simple/efficace

Publié le 04/10/15 à 11:12

Mise en oeuvre sans problème, driver téléchargé sur le site PRISM SOUND.

ADÉQUATION/PERFORMANCE

Aucun problème d'utilisation.
Compatibilité Mac, Windows, iPad, Linux et Android
Driver avec routing complet
Connexion USB2 intemporel
Buffer à 32 : 5,8 ms de latence aller/retour, rien ne décroche !

AVIS GLOBAL

Simple/efficace :
préamplis transparents, horloge splendide, conversion sublime ...

. 8 IN sur combo XLR/jacks avec détection automatique de la source (micro ou ligne)
. 2 IN instrument haute impédance (sur la face avant)
. 8 OUT symétriques sur jacks TRS
. 2 sorties casques stéréo (sur la face avant)
. wordclock, ADAT, S/PDIF, AES (adaptateur fourni) & MDIO expansion slot