Martin Roland MA-2500DSP 3-Way Mic Feedback Karaoke Amplifier User Manual
- June 5, 2024
- Martin Roland
Table of Contents
Martin Roland MA-2500DSP 3-Way Mic Feedback Karaoke Amplifier
REMOTE CONTROL INSTRUCTION
- POWER: Press it to turn on the unit, and press it again to turn it off.
- PLAY/PAUSE: Press to play, press again to pause.
- EQ: Sound field-effect button.
- MODE: Work mode select USB/SD/DVD/AUX.
- MUTE: Press it to mute down sound.
- !+./»I: Press »I to skip the next track. Press H<II to skip prev. track.
- VOL+/VOL-:Press it to adjust the volume level.
- REPEAT: Switch the repeat mode.
- SD/USB: Press it to turn the SD card and USB 10.0-9:Numeric buttons
SPECIFICATION
- Output power (40) ……………………………………………………… 750W+750W
- Output power (80) ……………………………………………………… SOOW+SOOW
- Mic input sensitivity ……………………………………………………………… lOmV
- External devices sensitivity …………………………………………………… 200mV
- Signal/Noise ratio (with IHF A Filter) …………………………………….. 80dB
- T.H.D (I KHz, 1 OW) ……………………………………………………………….. 0.1 %
- Frequency band ……………………………………………………….. 25Hz – 20KHz
- Mic tone adjustment: LOW …………………………………………. 80Hz ± 15dB
- Mic tone adjustment: MID ……………………………………….. 3.5KHz ± 12dB
- Mic tone adjustment: HI.. …………………………………………. 12KHz ± 15dB
- Echo tone adjustment: LOW ………………………………………… 80Hz ± 15dB
- Echo tone adjustment: HI.. ………………………………………… 12KHz ± 15dB
- Music tone adjustment: LOW ……………………………………… lOOHz ± 15dB
- Music tone adjustment: MID ……………………………………….. lKHz ± 12dB
- Music tone adjustment: HI.. ………………………………………. 1 OKHz ± 15dB
- Power source ………………………………………………….. AC 220V-240V 50Hz
INTRODUCTION
Thank you for purchasing the power amplifier, To take full advantage of the amplifier functions, and to enjoy long and trouble-free use, please read this user’s manual carefully.
IMPORTANT SAFETY INSTRUCTIONS
- Make sure that the line voltage in AC is 220-240V/50Hz If you are not sure, Kindly consult your appliance dealer or local power service company
- Please put the unit in a ventilated place. Do not operate in a sealed Box.
- Protect voltage line Avoid high pressure and stamp on, do not pull, or push excessively.
- Avoid any objects inserted into the unit. It may cause a short circuits and unit defect
- Avoid water, dust, and moisture. Do not put the Flower vase and another water container on the top of the unit.
- Avoid cleaning with a volatile solution Do not spray insecticide. Do not clean with alcohol, painting, gasoline, etc.
- Avoid covering vents Block up the vents will make the temperature in the unit become higher and will damage the unit.
- Avoid opening the cover. Do not open, fix, or touch the inner parts, refer to qualified service personnel for help.
FEATURES
- Support Wireless Steaming/USE/SD
- 4 Microphone Input
- 32-bit digital key controller
- DSP effect digital processor
- Mp3 player compatible with lossless format songs play
FRONT PANEL INSTRUCTION
-
Mic 1 2 3 4 Jack
-
Switch button for Mic. Feedback
-
Mic -20dB Switch
-
Mic Overload LED
-
Mic 1 2 3 4 Volume Adjust
-
Mic Balance Adjust
-
Mic Echo Adjust
-
Mic Low Tone Adjust
-
Mic Middle Tone Adjust
-
Mic High Tone Adjust
-
Mono/stereo Switch
-
Echo Volume Adjust
-
Echo Low Tone Adjust
-
Echo High Tone Adjust
-
Echo Repeat Adjust
-
Echo Delay Adjust
-
SD Data Input Interface
-
USB Data Inputlnterface
-
MP3 Play/pause Switch
-
MP3 Prev Switch
-
MP3 Next Switch
-
Mp3 Repeat Switch
-
Instrumental without vocal or original sound
-
MP3 Input Mode Switch
-
Display Screen
-
To transpose the key of the played music, rotate this control. The key can be changed in halftone steps in 5 steps; either higher or lower. To reset the key to the natural key, press this control. If over 5 seconds of silence occurs, the unit assumes the played song has finished and reset the key to natural.
-
Music Master Volume Adjust
-
Music Volume Adjust
-
Music Balance Adjust
-
Music Low Tone Adjust
-
Music Middle Tone Adjust
-
Music High Tone Adjust
-
DSP Effect Switch
-
DSP X-bass Tone Adjust
-
DSP Low Tone Adjust
-
DSP Middle Tone Adjust
-
DSP High Tone Adjust
-
power Switch
REAR PANEL INSTRUCTION
-
ACL 15V/230V Voltage Selector
-
Ac 220-240V Power Source Input
-
Right Channel Speaker Output
-
Left Channel Speaker Output
-
Fan Window
-
Record Audio Output Jack
-
Lien Audio Output Jack
-
AUX Audio input jack
-
DVD Audio input jack
DIAGRAM OF SYSTEM CONNECTION
Use the speaker of impedance 8 ohm, when use speaker terminal a or b
Labeling requirements.
This device complies with part 15 of the FCC Rules. Operation is subject to
the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Information to the user.
Any changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
Information to the user.
Note: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or more
of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.