Lexicon manual PCM92 Specifications, kHz 48 kHz 88.2 kHz 96 kHz

PCM92 Specifications

Analog Inputs
Connectors				Two, Female XLR
Impedance				20K Ohm, balanced
Level (for 0 dbFS)				+4dBu mode: +20dBu
				–10dBV mode: 8.2dBu
Freq Response @96K				20Hz to 40KHz, +0/–3dB
A/D Conversion				24 bits
A/D Dyn Range				>112 dB unweighted, 115dB A-weighted
THD				<.002% 20 → 20kHz @ +4dBu
Crosstalk @ 1Khz				<–90 dB, 20 → 20k at +20dBu input
Analog Output
Connectors				Two, Male XLR
Impedance				30 Ohm, electronically balanced
Level (at 0 dBFS)				+20dBu
Freq Response @96K				20 Hz - 20 kHz, +/- 0.25 dB
				20Hz - 40kHz +0/–3dB
D/A Conversion				24 bits
D/A Dyn Range				112 dB unweighted, 115 dB A-weighted
THD				<.002% 20Hz - 20kHz at +4dBu
Crosstalk @ 1kHz				<–90 dB at 20Hz - 20kHz with +20dBu
				input
Digital Audio IO
Connectors				One Male XLR Output
				One Female XLR Input
				Two FireWireTM Ports
Format				AES/EBU/FireWire (400Mb)
Word Size				24 bits
Sample Rates
Internal				44.1kHz/48kHz/88.2kHz/96kHz
Accuracy				within ±50ppm
External				44.1kHz/48kHz/88.2kHz/96kHz
Lock Range				±2% of nominal
Propagation Delays (milliseconds)
		44.1 kHz	48 kHz	88.2 kHz	96 kHz
	A/D	1.41	1.28	1.25	1.13
	A/A	1.64	1.51	1.28	1.18
	D/A	1.48	1.36	1.24	1.14
	D/D	1.23	1.12	1.15	1.07
Synchronization
TTL Word Clock Input *				75 Ohm, BNC

*Falling edge marks start of frame

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