RAC 104 • Specifications, Part Numbers, and Accessories
Specifications, Part Numbers, and Accessories
A-2
Specifications
Audio
Gain................................................ Unbalanced output: -6 dB; balanced
output: 0 dB
when input gain is set to 0 dB, output
volume is at 100, and the input and output
are set to the same level via the Line Level
DIP switch
Frequency response .................... 20 Hz to 20 kHz, ±0.05 dB
THD + Noise................................. 0.03% @ 1 kHz at nominal level
S/N ............................................... >90 dB, balanced at maximum output
(unweighted)
Crosstalk ....................................... <-120 dB @ 1 kHz
Stereo channel separation .......... >80 dB @ 1 kHz, >60 dB @ 20 kHz
CMRR ............................................ >75 dB @ 1 kHz
Volume control range ................. -100 dB to 0 dB (volume numbers 0
through 100) in 0.5 dB steps
Attenuation = volume number minus 100. The default is -30 dB
= volume number 70.
Bass control range ....................... ±14 dB, 100 Hz referenced to 1 kHz
(0 through 14) in 2 dB steps
Bass dB = (bass number minus 7) times 2. The default is 0 dB =
bass number 7.
Treble control range.................... ±14 dB, 10 kHz referenced to 1 kHz
(0 through 14) in 2 dB steps
Treble dB = (treble number minus 7) times 2. The default is 0 dB
= treble number 7.
Audio input
Number/signal type ................... 4 channels, which can be mono or tied into
stereo pairs, balanced/unbalanced
Connectors ................................... (2) 3.5 mm captive screw connectors,
5 pole
Impedance .................................... >18k ohms unbalanced/balanced,
DC coupled
Nominal level ............................... +4 dBu (1.23 V), -10 dBV (316 mV),
switchable per group
Maximum level ............................ +20 dBu (7.75 V), (balanced or unbalanced)
at 1% THD+N
