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8240A 8250A
Analog audio input connector XLR female, pin 1 gnd, pin 2 +, pin 3 -
Analog audio input impedance 10 kOhm balanced
Input level for maximum short term output of 100 dB SPL @ 1m Adjustable from +6 to -6 dBu
Crossover frequency, Bass/Treble 3.0 kHz 1.8 kHz
Treble Tilt control operating range in 2 dB steps +2 to -4 dB & MUTE
@ 15 kHz
+2 to -4 dB & MUTE
@ 15 kHz
Desktop low frequency control operating range -4 dB @ 160 Hz -4 dB @ 160 Hz
Bass Roll-Off control operating range in 2 dB steps 0 to -6 dB @ 45 Hz From 0 to -6 dB @ 35 Hz
Bass Tilt control operating range in 2 dB steps 0 to -6 dB & MUTE
@ 100 Hz
0 to -6 dB & MUTE
@ 100 Hz
The 'CAL' position is with all tone controls set to 'off'
and the input sensitivity control to maximum (fully
clockwise)
8240A 8250A
Digital audio input connector XLR female
Digital audio input impedance 110 Ohm
Digital audio Thru output connector XLR male
Digital audio Thru output impedance 110 Ohm
Digital audio format AES/EBU (AES3-2003)
Can also be used with S/P-DIF and AES3id signals
when impedance converters are used
Digital audio word length 16 bits, maximum 24 bits.
Fixed point, AES/EBU format
Digital audio sample rate 32 kHz, maximum 192 kHz
Supports single-wire and dual-wire AES signals.
AD conversion dynamic range 122 dB
Gain-ranging operation in two gain ranges; converter
dynamic range 112 dB typical