MARTIN RANGER 3-Way Mic Feedback Karaoke Amplifier Instruction Manual

MA-2500DSP
3-WAY MIC FEEDBACK KARAOKE AMPLIFIER
Operation Manual
Automatic Pairing with Bluetooth ” BT-AMPLIFIER”

REMOTE CONTROL INISTRUCTION

1. POWER: Press it to turn on the unit, press it again to turn off.

2. PLAY/PAUSE: Press to play, press again to pause.

3. EQ: Sound field-effect button.

4. MODE: Work mode selects USB/SD/DVD/AUX.

5. MUTE: Press it to mute down sound.

6. : Press to skip the next track.
   Press ****to skip prey. track.

7. VOL+/VOL-: Press it to adjust the volume level. 8.REPEAT: Switch the repeat mode.

8. SD/USB: Press it to turn the

9. SD card and USB

10. 0-9: Numeric buttons

SPECIFICATION

Output power (40)…………………….. 750W+750W
Output power (80)…………………………. 500W+500W
Mic input sensitivity…………………………… 10mV
External devices sensitivity…………………… 200mV
Signal/Noise ratio (with IHF A Filter)….. >80dB
T.H.D (1KHz,10W)…………………………………. 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……………. 100Hz ± 15dB
Music tone adjustment: MID……………. 1KHz ± 12dB
Music tone adjustment  HI…………………10KHz ± 15dB
Power source…………………………………. AC 220V-240V 50Hz
or AC110V-120V 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 INISTRACTION

1. Make sure that line voltage is AC 220-240V/50Hz If you are not sure, Kindly consult your appliance dealer or local power service company

2. Please put the unit in a ventilated place. Do not operate in a sealed Box.

3. Protect voltage line
   Avoid high pressure and stamp on, do not pull, push excessively.
   

4. Avoid any objects inserted into the unit. It may cause a short circuit and unit defect
   

5. Avoid water, dust, and moisture. Do not put a Flower vase and another water container on the top of the unit.

6. Avoid cleaning with a volatile solution
   Do not spray insecticide. Do not clean with alcohol, painting, gasoline, etc.
   

7. Avoid covering vents
   Block up the vents will make the temperature in the unit become higher and will damage the unit.
   

8. Avoid opening the cover. Do not open, fix, or touch the inner parts, refer to qualified service personnel for help.

FEATURES

1. Support Wireless Steaming/USB/SD
2. 4 Microphone Input
3. 32-bit digital key controller
4. DSP effect digital processor
5. Mp3 player compatible with lossless format songs play
6. Automatic Pairing with Bluetooth BT-AMPLIFIER’

FRONT PANEL INSTRUCTION

1. Mic 1 2 3 4 Jack
2. Switch button for Mic. Feedback
3. Mic -20dB Switch
4. Mic Overload LED
5. Mic 1 2 3 4 Volume Adjust
6. Mic Balance Adjust
7.  Mic Echo Adjust
8.  Mic Low Tone Adjust
9.  Mic Middle Tone Adjust
10. Mic High Tone Adjust
11. Mono/stereo Switch
12. Echo Volume Adjust
13. Echo Low Tone Adjust
14. Echo High Tone Adjust
15. Echo Repeat Adjust
16. Echo Delay Adjust
17. SD Data Input Interface
18. USB Data Input Interface
19. MP3 Play/pause Switch
20. MP3 Prey Switch
21. MP3 Next Switch| 22. Mp3 Repeat Switch
23. Instrumental without the vocal or original sound
24. MP3 Input Mode Switch (Blue/AUX/DVD)
25. Display Screen
26. 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.
7. Music Master Volume Adjust
28. Music Volume Adjust
29. Music Balance Adjust
30. Music Low Tone Adjust
31. Music Middle Tone Adjust
32. Music High Tone Adjust
33. DSP Effect Switch
34. DSP X-bass Tone Adjust
35. DSP Low Tone Adjust
36. DSP Middle Tone Adjust
37. DSP High Tone Adjust
38. Power Switch
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REAR PANEL INSTRUCTION

39. AC115V/230V Voltage Selector
40. Ac 220-240V Power Source Input
41. Right Channel Speaker Output
42. Left Channel Speaker Output
43. Fan Window

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44. Record Audio Output Jack
45. Lien Audio Output Jack
46. AUX Audio input jack
47. DVD Audio input jack

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DIAGRAM OF SYSTEM CONNECTION

Use the speaker of impedance 8 ohm, when using speaker terminal a or b

Operation Manual

Documents / Resources

| MARTIN RANGER 3-Way Mic Feedback Karaoke Amplifier [pdf] Instruction Manual
MARTIN RANGER, MA-2500DSP, 3-Way, Mic, Feedback, Karaoke, Amplifier
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