Owner's Manual
Page 11
... adjacent to overheat. • Improper ventilation • High ambient temperatures • Overdriving the amplifier into clipping • Driving hard into high speed, moving more air through the side panels. When this comes on one at a time. Look at a safe level. The amp needs plenty...level in decibels referenced to 60°C. the mixer's master faders or the preamp gain). If the internal temperature of the POWER switch. If you have multiple amps, you should still follow these precautions: • When powering up to cool the output transistors. POWER...
... adjacent to overheat. • Improper ventilation • High ambient temperatures • Overdriving the amplifier into clipping • Driving hard into high speed, moving more air through the side panels. When this comes on one at a time. Look at a safe level. The amp needs plenty...level in decibels referenced to 60°C. the mixer's master faders or the preamp gain). If the internal temperature of the POWER switch. If you have multiple amps, you should still follow these precautions: • When powering up to cool the output transistors. POWER...
Owner's Manual
Page 25
... PROTECT 60ºC -74VDC DETECTOR CH 1 AMP OUT CH 2 AMP OUT PROGRAM DETECT HOT LED 80ºC MUTE 55ºC UNMUTE NORM LED AND FAN SPEED CONTROL OR HI DCV MUTE CONTROL LO DCV MUTE 4 SEC DELAY (TURN-ON) + 74 VDC - OL -3 METER -6 DRIVE -9 -20 CH 1 SPEAKER OUT OL -3 METER -6 DRIVE...-M) CH 2 BALANCED LINE INPUT (TRS) FREQ FREQ LOW CUT FILTER CD EQ ON OFF FREQ FREQ LOW CUT FILTER CD EQ ON OFF POWER FUSE SWITCH TOROIDAL POWER TRANSFORMER LAMP STEREO MONO BRIDGE CH 1 GAIN INVERTING UNITY GAIN AMPLIFIER +74VDC LIMITER +64VDC DETECTION LIMITER OFF ON LIMITER...
... PROTECT 60ºC -74VDC DETECTOR CH 1 AMP OUT CH 2 AMP OUT PROGRAM DETECT HOT LED 80ºC MUTE 55ºC UNMUTE NORM LED AND FAN SPEED CONTROL OR HI DCV MUTE CONTROL LO DCV MUTE 4 SEC DELAY (TURN-ON) + 74 VDC - OL -3 METER -6 DRIVE -9 -20 CH 1 SPEAKER OUT OL -3 METER -6 DRIVE...-M) CH 2 BALANCED LINE INPUT (TRS) FREQ FREQ LOW CUT FILTER CD EQ ON OFF FREQ FREQ LOW CUT FILTER CD EQ ON OFF POWER FUSE SWITCH TOROIDAL POWER TRANSFORMER LAMP STEREO MONO BRIDGE CH 1 GAIN INVERTING UNITY GAIN AMPLIFIER +74VDC LIMITER +64VDC DETECTION LIMITER OFF ON LIMITER...
Spec Sheet
Page 4
...SWITCH OFF ON LIMITER LIMITER DETECTION MUTE +60VDC DC OFFSET DETECT POWER AMPLIFIER -60VDC MUTE +60VDC MUTE DC OFFSET DETECT POWER AMPLIFIER -60VDC OL -3 METER -6 DRIVE -9 -20 CH 1 SPEAKER OUT OL -3 METER -6 DRIVE -9 -20 CH 2 SPEAKER OUT 60ºC DETECTOR AND CH 1 AMP OUT CH 2 AMP OUT PROGRAM DETECT FAN SPEED... THRU (XLR-M) CH 1 BALANCED LINE INPUT (TRS) CH 2 BALANCED LINE INPUT (XLR-F) THRU (XLR-M) CH 2 BALANCED LINE INPUT (TRS) MACKIE DESIGNS M•800 BLOCK DIAGRAM 26 FEB 1999 FREQ FREQ LOW CUT FILTER CD EQ ON OFF FREQ FREQ LOW CUT FILTER CD EQ ON...
...SWITCH OFF ON LIMITER LIMITER DETECTION MUTE +60VDC DC OFFSET DETECT POWER AMPLIFIER -60VDC MUTE +60VDC MUTE DC OFFSET DETECT POWER AMPLIFIER -60VDC OL -3 METER -6 DRIVE -9 -20 CH 1 SPEAKER OUT OL -3 METER -6 DRIVE -9 -20 CH 2 SPEAKER OUT 60ºC DETECTOR AND CH 1 AMP OUT CH 2 AMP OUT PROGRAM DETECT FAN SPEED... THRU (XLR-M) CH 1 BALANCED LINE INPUT (TRS) CH 2 BALANCED LINE INPUT (XLR-F) THRU (XLR-M) CH 2 BALANCED LINE INPUT (TRS) MACKIE DESIGNS M•800 BLOCK DIAGRAM 26 FEB 1999 FREQ FREQ LOW CUT FILTER CD EQ ON OFF FREQ FREQ LOW CUT FILTER CD EQ ON...
Spec Sheet
Page 6
... LEVEL CONTROLS. When activated, the circuit limits the current delivered to indicate thermal protection (HOT). 7. The fan shall operate at two speeds, the speed being determined be located on the rear panel as spade lugs or bare wires. M•800 (U.S. M•800 (International Version): Each.... The amplifier shall provide delayed activation of the outputs at mid band of the two channels. 2. The amplifier shall have a three-way switch appearing on the rear panel, with no less than 1% total harmonic distortion. 3. The amplifier shall have a fan to cool the heatproducing...
... LEVEL CONTROLS. When activated, the circuit limits the current delivered to indicate thermal protection (HOT). 7. The fan shall operate at two speeds, the speed being determined be located on the rear panel as spade lugs or bare wires. M•800 (U.S. M•800 (International Version): Each.... The amplifier shall provide delayed activation of the outputs at mid band of the two channels. 2. The amplifier shall have a three-way switch appearing on the rear panel, with no less than 1% total harmonic distortion. 3. The amplifier shall have a fan to cool the heatproducing...