Peavey SMR 821 user manual Output Specifications, Noise, Gain

Specifications

Output Specifications

	Min Load		Output Level		Balanced/
Output	Impedance	Nom		Max	Unbalanced	Connector
				+21dBu		+
Left/Right	600 ohms	+4dBu			Balanced	–
				+19dBm
						Ground
				+21dBu		+
Aux	600 ohms	+4dBu			Balanced	–
				+19dBm
						Ground

0 dBu = 0.775 Vrms

0 dBm = 1 mW

Noise

Output	Signal/Noise (typical)	Test Conditions
Left/Right	100 dB	All Level controls down
	84 dB	Master Level control nominal
		Channel Level controls down
	80 dB	All controls nominal
		All channels assigned
		Mic gain minimum
Aux	95 dB	All Level controls down
	92 dB	Master Level control nominal
		Channel Level controls down
	81 dB	All controls nominal
		All channels assigned
		Mic gain minimum

Gain

Mic Input Range without pad:	10dB to 60dB
	80dB max
Mic Input to Output without pad:
Mic Input Range with pad:
	-10dB to 40dB
Mic Input to Output with pad:	60dB max
Mic Input Range without pad	20 dB to 60 dB
(optional transformer):
Mic Input to Output without
	80dB max
pad (optional transformer):
Mic Input Range with pad	0 dB to 40 dB
(optional transformer):
Mic Input to Output with pad	60dB max
(optional transformer):

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