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| - Bogen's M-Class delivers on what professional sound installers need most - Flexibility, Power, and Reliability. Flexibility - 3 modes of operation: Stereo, 70V Mono, or Dual Mono; and 2 modular input bays for a variety of prioritized input types. Power - up to 600W/ch stereo or 1200W of 70V mono power. Reliability - Massive power toroid and heat sinks; heavy 14-gauge chassis; patented Back-Slope™ AC voltage stabilization; Clip limiters, DC voltage, over-current, and thermal protection circuits.
Features:
- 3 mono power levels: 1200W, 900W, or 600W for 70V speaker systems
- 3 stereo power levels: 600W, 450W, or 300W per channel @ 4 ohms
- 3 modes of operation to choose from - Stereo, Dual Mono, or 70V Mono
- Low noise, low distortion, and high slew rate
- Flexible modular input capability (2 module capacity)
- Professional, dual-channel (balanced or unbalanced), high-impedance input module with gain selection included
- 3 selectable low-frequency, roll-off choices
- 2x1 mixer function when in mono modes
- Insert connections for outboard equipment (in mono modes)
- Post- and Pre-EQ Output Feeds (summed mono out in stereo mode)
- DC, overload, short circuit, and thermal protection circuits Clip limiting circuits for speaker protection
- Power-saving Sleep Mode for intermittent use applications
- Status, Signal, and Clip/Limit indicators
- Back-Slope AC voltage stabilization for dependable performance over varying AC line voltages
- Heavy-gauge steel chassis with cast aluminum front panel
- Recessed volume control knobs with snap-on protective cover
- Mounts in 2 rack spaces (3-1/2") directly stackable without need for extra space above or below
- 2 independent, continuously variable, cooling fans for dependable and quiet operation
- Easily removable front fan grilles with filters
- Stable into 2-ohm loads
Specifications:
- Power Output
70V Mono: 600W @ 8 ohms
4-ohm: 300W per channel
8-ohm: 200W per channel
- Input Sensitivity: 0.840V for 300W @ 4 ohms
- S/N Ratio (20K BW): 103 dB ref. 8 ohms, F.P.
- Class of Operation: AB
- Product Weight: 41 lbs
- Connectors:
Power: 15A line cord
Input: 2 new Bogen std. 12-pin connector modules/RCA input
Output: 5-pin "touch-proof" Barrier Strip, RCA Pre- & Post-EQ Output
- Power Bandwidth: 20-40kHz .5% THD
- THD @ 1 kHz rated power: less than .02%
- Load Impedance: 4-8 ohms, 70V
- Minimum Load Impedance (Stereo): 3.2 ohms
- Frequency Response @ 1 watt: 20-20kHz +/-0.25dB
- Output Regulation
1kHz Direct: 0.5dB @ 8 ohms
1kHz Bridged: 1.5dB @ 70V
- Inputs (Plug-in modules): Electronically balanced, high-impedance module standard, other modular input types available
- AC Input Voltage Range: 95-130V AC, 60Hz
- Maximum AC Current: 12A
- Indicators: Status (On/Protect/Sleep), Clip/Limit, Signal
- Temperature Range: 15 to 105 degrees F
- Cooling: Forced Air Variable Speed Fan
- Dimensions (W x H x D): 17" x 3 1/2" x 16"
- Protection: RF, DC, Low-frequency, Thermal, Low-Impedance, Circuit-Breaker, Short Circuit
- Special Features: Sleep Mode, Back-Slode regulation, Stereo, Dual Mono, 70V Mono Operation, Toroidal Power Transformer
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