624384

Focusrite VRM Box Manual

8
Zoom out
Zoom in
Previous page
1/8
Next page
8
ENGLISH
Performance specications
Headphone Outputs (Outputs 1-2)
• Outputimpedance:<10Ohms
• Poweroutputinto150R:15mV
• Poweroutputinto50R:30mW
• THD+N:-100dB(0.001%)(-1dBFSinput,20Hz/22kHz
bandpasslter,150Rload)
• SignaltoNoiseRatio:>105dB
S/PDIF Digital Input
• AutomaticSampleRateconversion
• Supportedsamplerates:continuousfrom32kHzto192kHz
• THD+N:<-110dBanysamplerate
Crosstalk (Channel Isolation)
• Anyoutputtooutput:>100dB
Digital Performace
• D/ADynamicRange:120dB(A-weighted)
• MeasuredD/ADynamicRange:108dB(A-weighted)
• ClockSource:InternalClockonly
• Clockjitter<250picoseconds
• SupportedSampleRates:44.1kHz&48kHz.
• 2inputchannelstocomputer:S/PDIF(2).
• 2outputchannelsfromcomputer:Headphones(2).
Connectors and Controls
• StereoS/PDIFinputonRCA
• StereoHeadphoneOutputon¼”TRS
• HeadphoneOutputLevelcontrol(analogue)
• 4-pinUSB2.0compatiblesocket
Indicators
• 1GreenLEDIndicator:
Flashing:Unitnotinstalledcorrectlyonhost
Off:VRMeffectsturnedoff
On:VRMeffectsturnedon
Power
• BuspowerfromUSBbus.
Weight and Dimensions
• Dimensions:68mmx25mmx68mm(WxHxD)
• Weight:123g
Latency and CPU information
TheVRMBoxprocessingtakesplaceatadriverlevelonyourcomputer.
Thisprocessincursa64samplelatency(about1ms).TheVRMprocessing
alsousesacertainamountofCPUresources.
The VRM Box driver will also add additional latency. This latency will
dependonhowyouusetheVRMBox:
WhenusingtheVRMBoxasyouraudiointerfaceinyourDAW,thelatency
youexperiencewillbedependantontheaudiobuffersizeyousetin
yourDAW,andinmostDAWstheactuallatencygureisdisplayedinthe
preferences.Iftheaudiobuffersizeissettolessthan64samples,thenthe
VRM processing does not have enough time to do the processing and no
audiowillpass.VRMCPUrequirementsaremuchhigherwhentheaudio
buffersizeissettoolow,soitisrecommendedthatabuffersizeof512
samples(Mac)or10ms(Windows)shouldgivethebeststartingpoint.
WhenusingtheS/PDIFinput(receivingaudiofromanotheraudiointerface),
thelatencygurewillbedependantontheaudiobuffersizeyousetinyour
DAWforthatinterface,PLUSadditionallatencyfromtheVRMBox.Inthis
case,therewillbelatencyincurredfromthetransferofS/PDIFaudiosent
fromtheVRMBoxviaUSBusingtheVRMaudiodriver,throughtheVRM
processing,thenbacktotheVRMBox.Thetotalroundtriplatencyislikely
tobeintheregionof20ms(dependingoncomputerspecs).
FormoredetailedinformationpleaserefertotheFocusriteanswerbase:
www.focusrite.com/answerbase
Copyright
FocusriteisaregisteredtrademarkofFocusriteAudioEngineeringLimited.
TheFocusritelogo,VRMVirtualReferenceMonitoringandtheVRMlogo
aretrademarksofFocusriteAudioEngineeringLimited.
Allotherproductnames,trademarks,ortradenamesarethemarksoftheir
respectiveowners,whichareinnowayassociated,connectednorafliated
with Focusrite or its VRM Box product. These other product names, trade
marks,andtradenamesareusedsolelytoidentifyanddescribethethird
partyloudspeakersystems,thesonicbehavioursofwhichwerestudiedfor
the VRM technology incorporated within the VRM Box, and to accurately
describeanelementoffunctionalitywithintheVRMBox.
The VRM Box is an independently engineered technology which utilises
Focusrite’sVRMVirtualReferenceMonitoring(Patentappliedfor)toac-
curatelymeasureexamplesofthesonicimpactoforiginalloudspeaker
systemsuponanaudiostream,soastoelectronicallyemulatetheperform-
anceoftheoriginalproductstudied.Theresultofthisprocessissubjective
andmaynotbeperceivedbyauserasproducingthesameeffectsasthe
loudspeakersystemsstudied.
2010 © Focusrite Audio Engineering Limited. All rights reserved
8


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Focusrite VRM Box at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Focusrite VRM Box in the language / languages: English as an attachment in your email.

The manual is 1,57 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info