M-Audio Profire Lightbridge 34in/36out Firewire Interface

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Model: lightbridge
Manufacturer: M-Audio

Retail Price:	~~$499.95~~
Our Price:	$399.00

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The ProFire Lightbridge interfaces up to four Lightpipe devices with a PC or Mac via FireWire—perfect for integrating digital mixers, AD/DA converters and/or ADATs with most popular DAW software. The unit is capable of 32 channels of Lightpipe I/O, two channels of S/PDIF I/O and two-channel analog output for a total of 34 x 36 concurrent channels at 44.1 or 48kHz sample rates. (It also supports 16-channel Lightpipe operation at 88.2 and 96kHz sample rates via the S/MUX protocol.) The ProFire Lightbridge can output word clock as a master, or slave to external sync on any input, and MIDI I/O also accommodates MIDI Time Code and MIDI Machine Control. Independent volume controls are provided for the ¼” balanced outputs and front panel ¼” headphone jack. The ProFire Lightbridge is compatible with most DAW software including Pro Tools M-Powered 7.3 and higher*.

Full Features

32-channel Lightpipe I/O at 44.1 or 48kHz
16-channel Lightpipe I/O at 88.2 or 96kHz using S/MUX
S/PDIF I/O (via included breakout cable, coax)
two ¼” TRS analog outputs with dedicated level control
all analog and digital I/O active simultaneously (total of 34 x 36 concurrent channels at 44.1 or 48kHz; 18 x 20 at 88.2 or 96kHz)
word clock I/O (via included breakout cable, BNC)
MIDI I/O (via included breakout cable)
¼” front-panel headphone out with dedicated level control
up to 24-bit/96kHz operation
FireWire connectivity to computer
indicators for sample rate, Lightpipe I/O, MIDI I/O, sync source and power
Kensington lock slot
half-space rack chassis, optional mounting tray
compatible with most major DAWs including Pro Tools M-Powered 7.3 and higher

* Pro Tools M-Powered currently supports a maximum of 18 simultaneous inputs and outputs.

Specifications

D/A Converters	44.1, 48, 88.2, 96kHz
Supported Bit Rates	16-bit, 24-bit
Digital Inputs	4 optical Lightpipe
	stereo coaxial S/PDIF
Digital Audio Outputs	4 optical Lightpipe stereo coaxial S/PDIF
Line Outputs	1/4” TRS balanced/unbalanced
Output Impedance	300 Ω balanced/150 Ω unbalanced
Maximum Output Level	+10.2dBu (2.5 Vrms) balanced
	+2.0dBV (1.26 Vrms), unbalanced
Channel-to-Channel Crosstalk	< -110dB @ 1kHz
SNR	-109dB, A-weighted
Dynamic Range	109dB, A-weighted
THD+N	0.00127 % (-98dB) @ -1dBFS, 1kHz
Frequency Response	20Hz to 20kHz, +/- 0.1dB @ 48kHz sample rate
	20Hz to 40kHz, +/- 0.2dB @ 96kHz sample rate

Headphone Output

Maximum Output	-3.0dBV (1.71 Vrms) into 32 Ω
Working Range	32 to 600 Ω
Impedance	75 Ω
Crosstalk	< -85dB
THD+N	0.011% (-79dB) @ -1dBFS, 1kHz
SNR	-108dB, A-weighted
Dynamic Range	108dB, A-weighted
Frequency Response	20Hz to 20kHz, +/- 0.1dB @ 48kHz sample rate
	20Hz to 40kHz, +/- 0.2dB @ 96kHz sample rate

*48kHz sampling rate unless otherwise stated

Compatibility

Pro Tools M-Powered 7.3 and higher
ASIO II
WDM
Core Audio
GSIF II

For Minimum Requirements visit M-Audio's Website