Extron electronic MLS 306 Audio input, Audio - effects return MLS 506MA & MLS 506SA

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

MLS 306, MLS 506, MLS 506MA, MLS 506SA • Specifications 1-3