Electro-Voice CPS 3, Руководство по обслуживанию

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1
SPECIFICATIONS: CPS4 entire unit
Measuring Standard IEC 268 part 3IHF-A
0 dBu = 775 mV (RMS)
A. POWER SUPPLY
1. voltage supply AC
2. nominal supply voltage, depending on the model: 120V/230V/240V
3. nominal mains frequency: 50 - 60 Hz
4. nominal power consumption (2x1200W/4
Ω
): 4100 W
5. nominal power consumption (2x120W/4
Ω
): 1500 W
6. power consumption at 1/8 of the nominal power (150W/4
Ω
): 1650 W
7. deviation range of the power supply: -10 % … +10 %
B. INPUT PROPERTIES
• level control fully open
Input Nominal input level
(nominal source EMK)
select jumper internally
Nominal
output power
Nominal load
impedance
0 dBu +6 dBu +26 dB
Channel A/B +1 dBu +7 dBu +14 dBu 750 W
8
Ω
Channel A/B 0 dBu +6 dBu +13 dBu 1200 W
4
Ω
Channel A/B -2 dBu +4 dBu +11 dBu 1500 W
2
Ω
Channel BRIDGED 0 dBu +6 dBu +13 dBu 2400 W
8
Ω
Channel BRIDGED -2 dBu +4 dBu +11 dBu 3000 W
4
Ω
With the CPS-version, the input sensitivity is referenced to the maximum output power at 8
Ω
,
which is 1Vrms when the jumper is set to 0 dBu.
Maximum input level: +21 dBu
C. OUTPUT PROPERTIES
• nominal output power with THD = 0.1 %, 20 Hz … 20 kHz, MBW = 80 kHz
• maximum output power at 1 kHz with THD = 1 %, MBW = 80 kHz
Output connector Nominal
load
impedance Nominal output
power Dual
Mode Maximum output
power Dual Mode,
THD=1 % Single channel
output
power)1
Nominal
output
voltage
SPEAKER A/B
8
Ω
750 W 850 W 950 W 77.5 V
SPEAKER A/B
4
Ω
1200 W 1300 W 1700 W 69.3 V
SPEAKER A/B
2
Ω
1500 W 1800 W 2000 W 54.8 V
SPEAKER BRIDGED
8
Ω
2400 W 2600 W 3400 W 138.6 V
SPEAKER BRIDGED
4
Ω
3000 W 3600 W 3700 W 109.5 V
)1 measured with Dynamic Headroom Test-Signal according to IHF-A: 1 kHz Burst, 20ms ON, 480 ms OFF
D. Idling output voltage
Output connector SPEAKER A/B SPEAKER BRIDGED
Max. idling voltage 91 V (RMS) 182 V (RMS)
E. Stabilizing
with nominal load impedance, Dual Mode, standard output voltage
8
Ω
4
Ω
Stabilizing 0.325 % 0.686 %
Stabilizing level 0.028 dB 0.059 dB