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Specifications
M2500—Owner’s Manual
41
Input/output characteristics
Input specifications
*1 0 dB=0.775 Vrms.
*2 Balanced.
*3 Unbalanced.
*4 Balanced (T=HOT, R=COLD, S=GND).
*5 Unbalanced.
*6 Unbalanced (T=SIGNAL, R=GND, S=GND).
*7 Unbalanced (T=OUTPUT, R=INPUT, S=GND).
*8 n=56, 48, 40, 32 or 24
*9 Sensitivity is the lowest level that will produce an output of +4 dB(1.23 V), or the nominal output level when the unit is set to maximum level.
Output specifications
*1 0 dB=0.775 Vrms.
*2 Balanced.
*3 Unbalanced (T=OUTPUT, R=INPUT, S=GND).
*4 Unbalanced.
*5 n=56, 48, 40, 32 or 24
Connection PAD
Gain
Trim
Actual Load
Impedance
For Use With
Nominal
Input Level
*1
Connector In
Mixer
Sensitivity
*9
Nominal Max before Clip
CH INPUT
(1–n)
*8
0
–60
3 k
Ω
50–600
Ω
Mics
&
600
Ω
Lines
–80 dB(0.078 mV) –60 dB(0.775 mV) –40 dB(7.75 mV)
XLR-3-31 type
*2
26 –54 dB(1.55 mV) –34 dB(15.5 mV) –14 dB(155 mV)
0
–16
–36 dB(12.3 mV) –16 dB(123 mV) +4 dB(1.23 V)
26 –10 dB(245 mV) +10 dB(2.45 V) +30 dB(24.5 V)
ST CH 1A INPUT
[L, R]
–30
5 k
Ω
600
Ω
Lines
–50 dB(2.45 mV) –30 dB(24.5 mV) –10 dB(245 mV)
+10 –10 dB(245 mV) +10 dB(2.45 V) +30 dB(24.5 V)
ST CH 1B INPUT
[L, R]
–20
10 k
Ω
600
Ω
Lines
–40 dB(7.75 mV) –20 dB(77.5 mV) 0 dB(0.775 V)
Phono Jack
*3
+10 –10 dB(245 mV) +10 dB(2.45 V) +30 dB(24.5 V)
ST CH INPUT
[L, R] (2–4)
–30
5 k
Ω
600
Ω
Lines
–50 dB(2.45 mV) –30 dB(24.5 mV) –10 dB(245 mV)
Phone Jack(TRS)
*4
+10 –10 dB(245 mV) +10 dB(2.45 V) +30 dB(24.5 V)
TALKBACK IN 10 k
Ω
50–600
Ω
Mics –66 dB(0.388 mV) –50 dB(2.45 mV) –20 dB(77.5 mV) XLR-3-31 type
*5
MATRIX SUB IN [L, R]
10 k
Ω
600
Ω
Lines
–2 dB(0.616 V)
+4 dB(1.23 V) +24 dB(12.3 V) Phone Jack(TRS)
*6
STEREO [L, R] MONO/C SUB IN –6 dB(388 mV)
CH INSERT IN (1–n)
*8
10 k
Ω
600
Ω
Lines
–26 dB(38.8 mV)
0 dB(0.775 V) +20 dB(7.75 V) Phone Jack(TRS)
*7
STEREO [L, R] MONO/C INSERT IN
GRP/AUX INSERT IN (1/7–8/14)
AUX INSERT IN (1–6)
–10 dB(245 mV)
Connection
Actual Source
Impedance
For Use With
Nominal
Output Level
*1
Connector In Mixer
Nominal Max before Clip
STEREO OUT [L, R]
MONO/C OUT
GRP/AUX OUT (1/7–8/14)
AUX/GRP OUT (7/1–14/8)
AUX OUT (1–6)
MONITOR OUT [L, R, MONO/C]
MATRIX OUT (1–8)
150
Ω
600
Ω
Lines +4 dB(1.23 V) +24 dB(12.3 V) XLR-3-32 type
*2
CH INSERT OUT (1–n)
*5
STEREO INSERT OUT [L, R]
MONO/C INSERT OUT
GRP/AUX INSERT OUT (1/7–8/14)
AUX INSERT IN (1–6)
600
Ω
10 k
Ω
Lines 0 dB(0.775 V) +20 dB(7.75 V) Phone Jack(TRS)
*3
PHONES OUT [L, R] 100
Ω
8
Ω
Phones 10 mW 20 mW
Stereo Phone Jack
*4
40
Ω
Phones 30 mW 75 mW