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เครื่องขยายเสียง ENERGY STAR® qualified amplifier
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QSC SPA2-200 เครื่องขยายเสียง ENERGY STAR® qualified amplifier 
For higher power the SPA2-200 two channel amplifier delivers up to 200 watts rms per channel into 4 or 8 ohms; the two channels can also be bridged providing up to 400 watts rms into 4 or 8 ohms. When the channels are bridged they can be switched into 70V or 100V direct drive mode providing up to 350 watts rms into a mono 70V or 100V output. Like the other SPA models, an 80Hz highpass filter is engaged when in 70V or 100V mode. 
- Up to 200 watts per channel into 4 and 8 ohms — the outputs of the SPA2-200 model are designed to provide up to 200 watts per channel into Low-Z loads.
 
- ENERGY STAR® qualified amplifier — The ENERGY STAR qualified SPA amplifiers employ an efficient class-D design to conserve energy and reduce operational cost.
 
- Bridgeable outputs for higher power — Bridging the outputs of the SPA2-200 will deliver up to 350 watts into 70V or 100V when bridged.
 
- Auto-Ramp provides quiet startup and power-down — The ENERGY STAR auto-ramp circuitry ensures quiet and fast power up from standby and seamless power-down following 25 minutes of inactivity, dramatically reducing power consumption.
 
- Rack-mountable 1U, half rack width enclosure — The SPA amplifers can be mounted in 1 RU, 1/2 rack space, and their clever joining brackets enable easy under-table and wall-mounting
 
 
| SPECIFICATIONS | 
SPA2-60 | 
SPA4-60 | 
SPA2-200 | 
SPA4-100 | 
 
| Stereo Mode Watts Per Channel | 
 
| 8Ω dynamic, both channels driven | 
60 W | 
60 W | 
200 W | 
100 W | 
 
| 4Ω dynamic, both channels driven | 
60 W | 
60 W | 
200 W | 
100 W | 
 
| Bridged Mode, watts per channel | 
 
| 8Ω & 4Ω | 
200 W | 
200 W | 
400 W | 
200 W | 
 
| 
 70V & 100v 
 | 
250 W | 
250 W | 
350 W | 
350 W* | 
 
| 
 Signal to Noise (A weighted, 20 Hz-20 kHz) 
 | 
>100 dB | 
>100 dB | 
>100 dB | 
>100 dB | 
 
| 
 Input Sensitivity 
 | 
1.23 Vrms (+4 dBu) | 
1.23 Vrms (+4 dBu) | 
1.23 Vrms (+4 dBu) | 
1.23 Vrms (+4 dBu) | 
 
| 
 Maximum Voltage Gain 
 | 
25.0 dB | 
25.0 dB | 
25.0 dB | 
25.0 dB | 
 
| 
 Ouput Circuitry 
 | 
Class D | 
Class D | 
Class D | 
Class D | 
 
| 
 Frequency Response (20 Hz - 20 kHz) 
 | 
Frequency Response (20 Hz - 20 kHz) | 
 
| 
 Input Impedance 
 | 
>10 kΩ (balanced), >10 kΩ (unbalanced) | 
 
| 
 Maximum Input Level 
 | 
 12.3V (+24 dBu) | 
 
| 
 Highpass Filter 
 | 
Switchable 80 Hz when Bridged in 70V & 100V | 
 
| 
 Front Panel Indicators 
 | 
Power, per channel Signal, per channel Protect/Limit | 
 
| 
 Controls 
 | 
4Ω/8Ω/70V Bridge Highpass On/100V Bridged Highpass On per channel pair | 
 
| 
 Dimensions (HWD) inches 
 | 
1.7 x 8.7 x 9.5 / 1RU | 
 
| 
 Dimensions (HWD) mm 
 | 
43 x 220 x 241 / 1RU | 
 
| 
 Weight (Net) 
 | 
3.5 lb / 1.6 kg | 
3.5 lb / 1.6 kg | 
4.0 lb / 1.4 kg | 
4.0 lb / 1.4 kg | 
 
| 
 Weight (Shipping) 
 | 
6 lb / 2.3 kg | 
6 lb / 2.3 kg | 
6.5 lb / 2.5 kg | 
6.5 lb / 2.5 kg | 
 
| 
 Agency Approvals 
 | 
UL, CE, ENERGY STAR, RoHS/WEEE compliant, FCC Class B (Conducted and Radiated emissions), UL 2043 witd PL-Kit | 
 
| 
 Carton Contents 
 | 
Power cable, quick start guide, connector kit, rack mount ears, mounting brackets | 
 
 
 
 
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