Yamaha EM2820 Operation Manual page 13

MAXIMUM OUTPUT POWER
200 W + 200 W & 4 ohms 0 5 % (THD) at 1 kHz
120 W + 120 WO 8 ohms 0 5 % (THD) at 1 kHz
MAXIMUM OUTPUT LEVEL
+ 20 dB (MON OUT) & 600 ohms 0.5 % at 1 kHz
+ 20 dB (EFF SEND) E 10 kohms 0 5 % at 1 kHz
FREQUENCY RESPONSE
+1,- 3 dB 20 Hz — 20 kHz O 1 W/8 ohms (SP OUT)
+ 1, - 3 dB 20 Hz — 20 kHz E + 4 dB/600 ohms (ST OUT)
HUM & NOISE (20 Hz — 20 kHz) Rs = 150 ohms, Input PAD = 0 dB
(Input sensitivity = -45 dB)
— 117 dB Equivalent Input Noise
~ 70 dB Residual output noise (SP OUT)
~ 97 dB Residual output noise (ST OUT/MON OUT)
— 105 dB Residual output noise (EFF SEND)
- 77 dB (81 dB S/N) ST OUT
Master fader at maximum level and all CH faders at mini-
mum level
— 71 dB (75 dB S/N) ST OUT
Master fader at nominal level and one CH fader at nomi-
nal leve!
— 77 dB (81 dB S/N) MON OUT
Master fader at maximum level and all CH MONITOR
level controls at minimum level
— 71 dB (75 dB S/N) MON OUT
Master fader at nominal level and one CH MONITOR level
control at nominal level
- 93 dB (83 dB S/N) EFF SEND
Master level control at maximum level and all CH EFF
SEND level controls at minimum leve!
- 85 dB (75 dB S/N) EFF SEND
Master level control at nominal level and one CH EFF
SEND level control at nominal level
CROSSTALK (at 1 kHz)
60 dB adjacent input channels
60 dB input to output
MAXIMUM VOLTAGE GAIN
82 dB MIC IN to SP OUT
55 dB MIC IN to ST OUT
41 dB MIC IN to REC OUT
55 dB MIC IN to MON OUT
47 dB MIC IN to EFF SEND
30 dB LINE IN to STOUT
30 dB EFF RTN to ST OUT
30 dB EFF RTN to MON OUT
20 dB TAPE IN to ST OUT
20 dB TAPE IN to MON OUT
76 dB MIC IN to SP OUT(L)
(O Power amp select: L+R/MON
INPUT CHANNEL EQUALIZATION
+ 15 dB maximum boost or cut in each of three bands
HIGH : 10 kHz shelving
MIDDLE : 2 kHz peaking
LOW : 100 Hz shelving
GRAPHIC EQUALIZATION
+ 12 dB maximum boost or cut in each of seven bands
125, 250, 500Hz, 1 k, 2k, 4 k, 8 kHz : peaking
LIMITER
Input overload : 15 dB
INDICATOR LEDS
POWER Red LED is lit when power is "ON"
PROTECTION Red LED is lit when protection circuitry is
activated
LIMITER Red LED is lit when limiter circuitry is acti-
vated
PROTECTION CIRCUIT
Poweron mute 642 sec Muting time
DC sense DC + 2 V Output shut off
PC limiter less than 2 ohms @ Load impedance
PHANTOM POWER
+ 48 Voc is applied to electrically balanced XLR inputs (via
68 kohms current limiting/isolation resistors) for Phantom
powerd condenser microphones
POWER REQUIREMENTS
UL/CSA model
General model
120 V AC 60 Hz
230/240 V AC 50/60 Hz
POWER CONSUMPTIONS
UL/CSA model 400 W (450 VA)
General model 400 W
DIMENSIONS (W x H x D)
500 x 172 x 550 mm (19-11/16" x 6-3/4" x 21-5/89)
WEIGHT
19 5 kg (43 lbs)
* OdB=0775 Vrms
* Specifications and appearance subject to change without
notice
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