Nilfisk-ALTO 3.4 user manual Technical Specifications

8. TECHNICAL SPECIFICATIONS

INPUT section
	Connectors	2 x COMBO
	Nominal input sensitivity	0 dB (0.775 V)
	Input Impedance	30kOhm, electronically balanced
	Maximum Input Level	+20dBu
	Input Gain	-30 / +6 dB variable in 0.5 dB steps
	Digital input	AES/EBU, XLR-F
	Digital input sample rate	32 kHz ~ 48 kHz
Output Section
	Connectors	6 x XLR-M
	Output Impedance	600 Ohms, electronically balanced
	Nominal Output Level	0 dBu
	Maximum Out put Level	+20 dBu
	Output Gain	-30 / +6 dB variable in 0.5 dB steps
DSP Section
	A/D converters	20 bit
	D/A converters	20 bit
	Internal dynamics	40 bit
	Sampling frequency	48 kHz
Features
	Configuration	2-WAY STEREO, 3-WAY STEREO, 2,3,4,5,6-WAY MONO
	Crossover Filters Type	Bessel, Butter worth or Linkwitz- Riley
	Crossover Filters Slope	6, 12, 18, 24, or 48dB per octave
	Delay Step	21 microseconds minimum
	Max Delay time	2621 ms (inputs), 291 ms (outputs)
	EQ filters	Up to 40 maximum (depending on the crossover slope)
	EQ Type	Peak, 6dB Lo-Shelf, 12dB Lo-Shelf, 6dB Hi-Shelf, 12dB Lo-Shelf, Notch
	EQ Gain	+/15dB, variable in 0.5dB steps
	EQ Bandwidth	0.05 to 3.00 octaves, variable in 0.05 steps
	EQ freq	15.6 Hz to 16 kHz
	Dynamics	Digital limiter on all the output
	Memories	FACTORY PRESETS are 10 + 64 USER PRESETS
		+ 128 CARD PRESETS
	Communications	9-pin RS232, XLR-F RS485 IN, XLR-F RS485 IN
General Performance
	Frequency Response	20Hz - 20kHz, 0.25dB
	Dynamic range	>117dB 20Hz to 20kHz
		>120dB 20Hz to 20kHz on AES/EBU input
	Channel Separation	>100dB 20Hz to 20kHz
	Distortion (THD)	0.05%, 20Hz to 20kHz
	Input Meter	-24dB, -18dB, -12dB, -6dB, CLIP relative to Clip point (+20dBu)
	Output Metering	-24dB, -12dB, -6dB, LIMIT relative to limiter threshold setting, CLIP
General
	Dimensions	483 44 300 mm
	Weight	4.0 Kg
	Power supply	see label on the unit

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