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DM60RC Front Panel 

 

Important Safety Instructions 

 

 

 

 

This symbol warns the user of dangerous voltage levels 
localized within the enclosure. 
 

 
This symbol advises the user to read all accompanying literature 
for safe operation of the unit. 

INPUT

: Instrument input. Plug your guitar in here. 

SELECT

: This pushbutton selects either the Clean or Drive Channel. The green LED 

indicates the Clean Channel and the red LED indicates the Drive Channel. 

 

 

CLEAN VOL:

 Adjusts the loudness of the Clean Channel 

•Read, retain, and follow all instructions.  Heed all warnings. 
•Only connect the power supply cord to an earth grounded AC receptacle 
in accordance with the voltage and frequency ratings listed under 
INPUTPOWER on the rear panel of this product. 

DRIVE GAIN:

 Adjusts the gain of the Drive Channel 

DRIVE VOL:

 Adjusts the loudness of the Drive Channel 

•WARNING: To prevent damage, fire or shock hazard, do not expose this 
unit to rain or moisture. 

BASS:

 (Active) Adjusts the low frequency level. +/- 12db @ 100Hz 

MIDDLE:

 (Active) Adjusts the mid frequency level. +/- 12db @ 160HZ – 4.5KHz 

•Unplug the power supply cord before cleaning the unit exterior (use a 
damp cloth only).  Wait until the unit is completely dry before re-connecting 
it to power. 

SWEEP:

 Adjusts the mid frequency “center point” from 160Hz – 4.5KHz 

TREBLE

: (Active) Adjusts the high frequency level. +/- 12db @ 3KHz 

•Maintain at least 6 inches (15.24 cm) of unobstructed air space behind the 
unit to allow for proper ventilation and cooling of the unit. 

REVERB:

 Adjusts the reverb effect level for both channels. 

•This product should be located away from heat sources such as radiators, 
heat registers, or other products that produce heat. 

MASTER:

 Adjusts overall loudness of the amplifier.

  

SEND/RETURN: 

EFX LOOP – Used for connecting effects or other  

•This product may be equipped with a polarized plug (one blade wider than 
the other).  This is a safety feature.  If you are unable to insert the plug into 
the outlet, contact an electrician to replace your obsolete outlet.  Do not 
defeat the safety purpose of this plug. 

external sound equipment. 

CHORUS DEPTH:

 Adjusts the level of the internal chorus effect.

  

CHORUS SPEED:

 Adjusts the speed of the internal chorus effect. 

•Protect the power supply cord from being pinched or abraded. 

MP3 IN:

 (Stereo) Input Jack for use with an MP3 player, portable CD or Tape player, drum 

machine, etc. This input jack is not affected by the amplifiers volume or tone controls. 
Adjust the signal at the source. 

•This product should only be used with a cart or stand that is 
recommended by the manufacturer. 
•The power supply cord of this product should be unplugged from the 
outlet when left unused for a long period of time, or during electrical 
storms. 

HEADPHONES:

 This jack provides a stereo signal to drive headphones. The use of this 

jack will disengage the amplifiers internal speaker. This jack can also be used as an 
unbalanced line output by using either a stereo or mono ¼” phone plug connection. 

•This product should be serviced by qualified service personnel when: the 
power supply cord or the plug has been damaged; or objects have fallen, 
or liquid has been spilled onto the product; or the product has been 
exposed to rain; or the product does not appear to operate normally or 
exhibits a marked change in performance; or the product has been 
dropped, or the enclosure damaged. 

BACK PANEL CONTROLS 

FOOTSWITCH:

 

(DRIVE)

 - Used for remote channel switching to select Clean or Drive 

Channel. 

FOOTSWITCH:

 

(CHORUS/REV)

 - Used for remote switching of on board Reverb and 

Chorus effects. 

 

•Do not drip nor splash liquids, nor place liquid filled containers on the 
unit. 

POWER

: This rocker switch turns the AC power ON and Off. When ON the unit is ready 

for play.

 

•CAUTION: No user serviceable parts inside, refer servicing to qualified 
personnel only. 
• Dean Markley amplifiers and loudspeaker systems are capable of 
producing very high sound pressure levels which may cause temporary or 
permanent hearing damage.  Use care when setting and adjusting volume 
levels during use. 

AC INPUT:

 Connect the female end of the AC line cord here. Connect the male plug to a 

suitable source of line voltage. Refer to the voltage information on the back of the amplifier 
for its voltage and current requirements. This connector also acts as the main fuse holder 
and includes a compartment for a spare fuse. 

 

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