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1-3MLS 306, MLS 506, MLS 506MA, MLS 506SA • Specifications
Input impedance.......................... >1 kohms
Output impedance ...................... 75 ohms
Max input voltage ....................... 5V p-p
Max propagation delay…........... 30 ns
Polarity .......................................... Positive or negative (follows input)
Audio
Frequency response
MLS 306, MLS 506 ........... 20 Hz to 20 kHz, +0dB/-3dB
MLS 506MA ...................... 50 Hz to 15 kHz, +0dB/-1dB; 20 Hz to 20 kHz, +0dB/-3dB
MLS 506SA ....................... 20 Hz to 20 kHz, +0dB/-1dB at 30 W into 8 ohms
THD + Noise
MLS 306, MLS 506 ........... <0.2% @ 50 Hz to 22 kHz at rated maximum output drive
MLS 506MA ...................... <0.8% @ 50 Hz to 22 kHz at rated maximum output drive
MLS 506SA ....................... <0.5% @ 1 kHz at 30 W into 8 ohms
S/N ................................................ >90dB at 22 Hz to 22 kHz
Crosstalk ....................................... <-65dB @ 20 Hz to 20 kHz, <-80dB @ 1kHz and below 60 Hz, fully loaded
Stereo channel separation
MLS 506SA ....................... >80dB @ 1 kHz
All other models .............. >90dB @ 1 kHz
CMRR ............................................ >90dB @ 20 Hz to 200 Hz, >60dB @ 20 Hz to 20 kHz
Audio input
Number/signal type
MLS 306, MLS 506 ........... 6 stereo, balanced/unbalanced
MLS 506MA/SA .............. 7 stereo, balanced/unbalanced
Connectors
MLS 306............................. Inputs 1 to 3 .............. 3.5 mm captive screw connectors, 5-pole
Inputs 4 to 6 .............. 3.5 mm captive screw connectors, 5-pole or
female 3.5 mm mini stereo jacks (unbalanced)
MLS 506............................. 6 3.5 mm captive screw connectors, 5-pole
MLS 506MA/SA .............. 7 3.5 mm captive screw connectors, 5-pole
Impedance .................................... >18 kohms unbalanced/balanced
Maximum level ............................ +21dBu (balanced or unbalanced) at stated % THD + N
Input gain adjustment................. MLS 306, MLS 506 .................. -15dB to +9dB, adjustable per input
Input level adjustment ................ MLS 506MA, MLS 506SA ...... -78dB to +24dB (in 1 to 100 steps), adjustable per
input
Audio — effects return (MLS 506MA & MLS 506SA)
Number/signal type ................... 1 stereo, unbalanced
Connectors.................................... 1 3.5 mm captive screw connector, 3-pole
Impedance .................................... >10 kohms unbalanced
Level .............................................. +4dBu, unbalanced
Audio — effects send (MLS 506MA & MLS 506SA)
Number/signal type ................... 1 stereo, unbalanced
Connectors.................................... 1 3.5 mm captive screw connector, 3-pole
Impedance .................................... 50 ohms, unbalanced
Level .............................................. +4dBu, unbalanced