Mackie HM-800 8-Channel Headphone Amplifier

Introducing the HM-800 8-Channel Headphone Amplifier, a robust rackmount unit designed for professional environments such as studios, houses of worship, and practice spaces. This versatile amplifier provides up to 10 available mixes through its 8 input select switches, catering to diverse audio needs.

Featuring two discrete main stereo inputs with individual level controls and stereo outputs, the HM-800 ensures precise audio management. Each channel is equipped with stereo/mono switches for flexible audio routing, complemented by 16 headphone outputs for extensive monitoring capabilities.

Key Features include:

• Two discrete main stereo inputs with separate level control
• Stereo outputs with segment LED metering per channel
• 16 headphone outputs (2 per channel)
• Eight independent aux inputs for creating individual stereo mixes
• Input select and stereo/mono switches per channel

Built with durability in mind, the HM-800 boasts a 'built-like-a-tank™' construction, ensuring reliability in demanding settings. Its audio performance specifications include a frequency response of 20 Hz to 20 kHz with ±1 dB accuracy, and low noise levels of -70 dB. Distortion (THD) is kept minimal, offering clear sound even at high gain levels.

Technical Specifications:

• Frequency Response: 20 Hz - 20 kHz, ±1 dB
• Noise: -70 dB
• Distortion (THD): < 0.005% at +4 dBu, 1 kHz, unity gain
• Gain Range (Main Input): -67 to +19 dBu
• Input Impedance:
• Main Input: 40 kΩ balanced, 20 kΩ unbalanced
• Aux Input: 13 kΩ unbalanced
• Output Impedance:
• Headphone Output: 3Ω unbalanced

Physical Properties:

• Height: 1.8 in / 46 mm
• Width: 19.0 in / 483 mm
• Depth: 8.8 in / 224 mm
• Weight: 8.0 lb / 3.6 kg

Power Requirements:

• Detachable Line Cord: 100-120V, 50/60 Hz, 24 W; 220-240V, 50/60 Hz, 24 W
• AC Connector: 3-pin IEC 250 VAC, 10 A male

The HM-800 is equipped with front panel features including power on/off LEDs, input level meters, output level meters, and mute switches. Its ergonomic design and comprehensive feature set make it an ideal choice for professional audio applications requiring high-quality headphone monitoring and flexible routing options.

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