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ii. To adjust for deficiencies in the speaker system's high frequency and bass response, the
M810/M1610 also has a 2-band rotary shelving equalizer. These work in conjunction with
the 9-band graphic. Yorkville engineers have developed this technique to provide you with
greater tone shaping capability. This allows the graphic equalizer bands frequencies to be
spaced at closer intervals, which mean better selectivity for feedback reduction and sound
shaping. You may want to turn up the Lo and Hi controls to give the system a more HiFi
sound when you're playing at lower volumes. At higher volume levels, you may need to
turn these controls down, this will help maximize the volume and tighten up the sound.
iii. The third use of the graphic equalizer is to adjust the sound character for artistic rea-
sons. The frequencies are adjusted until the sound feels best to the musicians.
M810/M1610 Rear Panel
1. Power Amplifiers
Each of the M810/M1610 dual power amplifiers has two ¼-inch jacks and 1 Speakon jack
for speaker connections. The power amplifiers are designed to provide full power into a 4-
ohm load. Connecting two 4-ohm speakers (2-ohm load) to either AMP A or AMP B will not
harm the M810/M1610 but the maximum power output may be reduced.
WARNING: Do not obstruct the flow of air around the vents on the rear of the M810/
M1610, this may cause the power amplifier to overheat. The amplifier will start to reduce
its power output in order to keep running. In extreme cases it may be forced to shut down.
If the clip LEDs are illuminated continuously and the Power LED is off, this will indicate
shutdown. After the M810/M1610 cools down, operation will be restored automatically
This condition should not occur if adequate ventilation is provided at the back of the unit.
2. Power Switch and Breaker
The Power switch and circuit breaker are located on the rear panel. If the circuit breaker
trips during use, wait a few minutes (to cool), then push in to reset. The circuit breaker can
trip if the amplifier is too heavily loaded with long periods of continuous tones (such as
feedback). If the circuit breaker trips immediately after being reset, take the unit to your
Yorkville dealer for service.
Phantom
SPEAKER OUTPUT
Power
B
CHANNEL
in
800 Watts MAX
SPEAKON ™ Pin
1+/1–
@ 4 ohms
Configuration
(2 ohm min.)
out
Phantom
SPEAKER OUTPUT
Power
B
CHANNEL
in
400 Watts MAX
SPEAKON ™ Pin
@ 4 ohms
1+/1–
Configuration
(2 ohm min.)
out
SPEAKER OUTPUT
A
CHANNEL
800 Watts MAX
2
x
8 0 0
W a t t
P o w e r e d
M i x e r
@ 4 ohms
(2 ohm min.)
Circuit
POWER
Breaker
ON
SPEAKER OUTPUT
A
CHANNEL
400 Watts MAX
@ 4 ohms
2 x 4 0 0 W a t t P o w e r e d M i x e r
(2 ohm min.)
Circuit
POWER
Breaker
ON
TYPE: YS1032
Z446A / 1.1
230V
120VAC
50Hz
60Hz
3,3A
6.4A
Yorkville
DESIGNED & MANUFACTURED BY
YORKVILLE SOUND • TORONTO, CANADA
TYPE: YS1033
Z446B / 1.1
230V
120VAC
50Hz
60Hz
2,2A
4.2A
Yorkville
DESIGNED & MANUFACTURED BY
YORKVILLE SOUND • TORONTO, CANADA
7
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