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Bogen Communications M-Class Modular Amplifiers
Bogen's M-Class modular amplifiers provide professional sound installers with exactly what they need from an amplifier: 3 modes of operation: stereo (4-ohm), 70V mono, dual mono (4-ohm); 2 bays for a variety of input modules; up to 600W/ch stereo (4-ohm) or 1200W of 70V mono power; massive power toroid and heat sinks; heavy 14-gauge chassis; patented Back-Slope™ AC voltage stabilization; clip limiters; and DC voltage, over-current, and thermal protection circuits.
P r o d u c t F e a t u r e s : • 3 mono power levels: 600W, 900W, or 1200W for 70V speaker systems • 3 stereo power levels: 300W, 450W, or 600W per channel @ 4 ohms • 3 modes of operation to choose from- Stereo (4-ohm), Dual Mono (4-ohm), or 70V Mono • Low noise, low distortion, and high slew rate • Flexible modular input capability • Professional, high-impedance, balanced stereo input module • 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 • Status, Signal, and Clip/Limit indicators • Back-Slope AC voltage stabilization for dependable performance over varying AC line voltages • Recessed volume control knobs • Mounts in 2 rack spaces (3-1/2") directly stackable • 2 independent, continuously variable, cooling fans • Easily removable front fan grilles with filters • Stable into 2-ohm loads
Part# Wattage Weight Dimensions Check Price M300 300 41 17" x 3.5" x 16" M450 450 44 17" x 3.5" x 16" M600 600 46 17" x 3.5" x 16"
Input Modules Each amplifier can accept up to two Bogen input modules, with user-settable priority levels. Plug-in modules support different signal processing options including the ability to interface to balanced and unbalanced high- and low-level inputs, stereo or mono, telephone PBXs, and microphones. A stereo, balanced, high-impedance, input module (BAL1S) comes standard with each amplifier. Other modules offer more advanced functionality.
Part# Description Check Price BAL1S BALANCED INPUT Stereo, balanced input module. (Comes standard with M600/450/300.) • Stereo, high-impedance, balanced inputs • Professional-quality, low noise performance • Mutable by higher priority modules • Variable ducking level when muted • Fade back from mute Standard on M300, M450, & M600 TEL1S TELEPHONE INPUT Interfaces to telephone system’s loop start/ground start trunks or paging ports. • Loop start or ground start trunk interfacing (requires external power supply) • Dry loop interface to paging ports • Audio-activated paging in dry loop • Gain/Trim control • Noise gate • Limiter • Mutes lower priority modules • Mutable by higher priority modules • Bus assignable • Transformer-isolated • Screw terminal connections SAX1R STEREO AUX INPUT Stereo, unbalanced input module. • Gain/Trim control • Bass & Treble controls • Gate feature mutes lower priority modules • Mutable by higher priority modules • Variable ducking level when muted • Fade back from mute • Stereo to mono summing option • Bus assignable • RCA connectors BRG1R BRIDGING INPUT Daisy chain multiple amplifier inputs. • Gain/Trim control • Input signal available at buffered output • Mutes lower priority modules • Mutable by higher priority modules • Variable ducking level when muted • Buffered output not muted • Bus assignable • RCA input and output connections MIC1X MICROPHONE INPUT Low-impedance, balanced microphone input. • Gain/Trim control • Bass & Treble controls • Noise gate • Limiter • 24V Phantom Power • Mutes lower priority modules • Mutable by higher priority modules • Bus assignable • Balanced, transformer-isolated • XLR connector MAX1R MONO AUX INPUT Mono, unbalanced input module. • Gain/Trim control • Bass & Treble controls • Gate feature mutes lower priority modules • Mutable by higher priority modules • Variable ducking level when muted • Fade back from mute • Bus assignable • RCA connector
Accessories
Part Description Check Price RPK86 Rack Mounting Kit for M-Class & Black Max Series