Yamaha M2500 Manual Do Utilizador

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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
Ω
 Phones
10 mW
20 mW
Stereo Phone Jack 
*4
40 
Ω
 Phones
30 mW
75 mW