TheSPA4-100four channel amplifier delivers 100 watts rms per channel into 4 or 8 ohms; the four channels can also be bridged in pairs, each pair providing up to 200 watts rms into 4 or 8 ohms. The SPA4-100 bridged pair channels can be switched into 70V or
TheSPA4-100four channel amplifier delivers 100 watts rms per channel into 4 or 8 ohms; the four channels can also be bridged in pairs, each pair providing up to 200 watts rms into 4 or 8 ohms. The SPA4-100 bridged pair channels can be switched into 70V or 100V direct drive mode providing up to 350 watts rms into a 70V or 100V output; when in 70V or 100V mode the 80Hz highpass filter is automatically engaged.
Features
Up to 200 watts per channel into 4 and 8 ohms the outputs of the SPA4-100 model are designed to provide up to 100 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 Bridgeable outputs for higher power – Bridging the outputs of the SPA4-100 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
| Amplifier Power Rating | 100 W per Channel 200 W Bridged |
| Amplifier Class | Class-D |
| Load Impedance / Voltage | 4 / 8 Ohms 70 / 100 V |
Performance
| Frequency Response | 20 Hz to 20 kHz 0.1 dB (4 Ohms, 8 Ohms) |
| Input Sensitivity | 1.23 V / +4 dBu |
| Input Impedance | >10 Kilohms (Balanced/Unbalanced) |
| Max Gain | 27 dB (at 8 Ohms) |
| Max Input Level | +24 dBu / 12.3 V |
| SNR | > 100 dB |
| EQ | No |
| Filters | 1x High-Pass: 80 Hz |
| Ducking/Muting | No |
Connectivity
| Analog Audio I/O | 1x Block 10-Pin Line Input 1x Block 10-Pin Line Input 2x Block 4-Pin Speaker Output |
| Digital I/O | No |
| USB I/O | No |
Power
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| AC Power Connector | 1x IEC 15 A / NEMA 5-15 |
Physical
| Display & Indicators | Front Panel: LED (Power/Protect/Signal) Rear Panel: LED (Limit/Protect/Signal, per Channel) |
| Rackmount Size | 1 RU (with Included Hardware) |
| Cooling | Convection |
| Certifications | CE, ENERGY STAR, FCC, RoHS, UL, WEEE |
| Dimensions | 9.5 x 1.8 x 8.7″ / 241.3 x 45.7 x 221.0mm |
| Weight | 4lb / 1.8kg |
Packaging Info
| Package Weight | 6.6 lb |
| Box Dimensions (LxWxH) | 15.4 x 11.4 x 3.4″ |
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