HM-800

Rack-Mountable, 8-Channel Headphone Amplifier

Overview 

The Mackie HM-800 is a rack-mountable, 8-channel headphone amplifier designed to provide versatile headphone amplification for artists, musicians, and engineers. It features a stereo main output via XLR and 1/4 "jacks and twelve 1/4" TRS stereo headphone outputs-three per channel-fed by a customizable blend of inputs. 

Features
One stereo main input via XLR and 1/4 "jacks can be mixed with a per-channel 1/4" stereo aux input. Each channel offers 2-band EQ for quick tone shaping, stereo balance or main / aux input mix control, and output level adjustments. Also on each channel are switches for muting left and / or right signals and operating in stereo or mono. 7-segment LED meters display main input and per-channel output levels.The HM-800 ships with an IEC power cable and occupies 1 RU in a standard 19 "rack.

·          Distribute signal to up to twelve pairs of headphones

·          Occupies 1 RU

·          One stereo main input via XLR or 1/4 "jacks

·          One, 1/4 "per unit input

·          One stereo main output via XLR or 1/4 "jacks

·          Three 1/4 "headphone outputs-one on the front panel and two on the rear-per channel

·          2-band EQ per channel for quick treble and bass adjustments

·          Per-channel Balance knob allows control of left / right level balance or aux / main input mix

·          Switches on each channel for L / R and mute St / 2-Ch (stereo / mono) mode

·          7-segment LED metering for input and each output channel

·          Heavy-gauge steel chassis for rugged durability

Specifications

Number of Channels     8                    

Input Connections     4 x 1/4 "TRS balanced                       

(two stereo pairs, also accepts 1/4 & quot; TS unbalanced)

8 x 1/4 "TRS stereo unbalanced for aux inputs

Output Connectors                        4 x 1/4 "TRS balanced

(two stereo pairs, also accepts 1/4 & quot; TS unbalanced)

16 x 1/4 "TRS stereo unbalanced headphone outputs

Maximum Input Level              Main Input: +19 dBu      

Aux Input: +20 dBu

Maximum Output Level                  Headphone Outputs: 550 mW per channel at 47 Ohms (+21 dBu)

Input Impedance                          Main Input: 40 kOhms balanced, 20 kOhms unbalanced

Aux Input: 13 kOhms unbalanced

Output Impedance                        Headphone Outputs: 3 Ohms unbalanced

Gain Range                                  Main Input: -67 to +19 dBu

Function Controls                          Power on / off

Main level knobs

In 1/2 switches per channel

Stereo / Mono switches per channel

Output knob per channel

Frequency Response                      20 Hz to 20 kHz (± 1 dB)

THD                                             <0.005% (+4 dBu, 1 kHz, unity gain)

Noise                                           -70 dB

CMRR                                           Main Input:> 52 dB at 1 kHz

Display                                         1 x input level meter

8 x output level meters

Power Requirement                       100 to 120 VAC, 50/60 Hz, 24 W

220 to 240 VAC, 50/60 Hz, 24 W

Power Connector                           1 x 3-pin IEC male, 250 VAC, 10 A

Construction Material                     Heavy-gauge steel chassis

Dimensions (H x W x D)                 1.8 x 19.0 x 8.8 & quot; / 46 x 483 x 224 mm

Weight                                          8 lb / 3.6 kg

Packaging Info
Package Weight                                     10.7 lb

Box Dimensions (LxWxH)                       20.8 x 10.7 x 4.1 "

What's In The Box

-   HM-800

-   Power Cable