Markbass 58R-58R Little Mark 500W Bass Amp Head Owner’s Manual

Markbass 58R-58R Little Mark 500W Bass Amp Head

IMPORTANT SAFETY INSTRUCTIONS

1. Read these instructions;

2. Keep these instructions;

3. Heed all warnings;

4. Follow all instructions;

5. Do not use this apparatus near water;

6. Clean only with dry cloth;

7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions;

8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat;

9. Do not defeat the safety purpose of the polarized or ground-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet;

10. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus

11. Only use attachments/accessories specified by the manufacturer;

12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from the tip-over (and Fig 21 DU Tipping Cart Symbol).

13. Unplug this apparatus during lightning storms or when unused for long periods of time;

14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped;

15. “WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE AND OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHOULD NOT BE PLACED ON THIS APPARATUS”.

16. TO COMPLETELY DISCONNECT THIS APPARATUS FROM THE AC MAINS, DISCONNECT THE POWER SUPPLY CORD PLUG FROM THE AC RECEPTACLE;

17. THE MAINS PLUG OF THE POWER SUPPLY CORD SHALL REAMIN READILY ACCESSIBLE.

18. In case of voltage selector make sure the switch on the rear panel is on the correct voltage before connecting it to the AC power, and the fuse is the right value for that voltage (This selector is not available on the 100V version). Please change the voltage/fuse values label located near the voltage selector matching the voltage/fuse values when you need to change the voltage of the apparatus.

19. “WARNING: THIS APPARATUS MUST BE SECURELY ATTACHED TO THE FLOOR OR WALL IN ACCORDANCE WITH INSTALLATION ISTRUCTION. TIPPING, SHAKING, OR ROCKING THE MACHINE MAY CAUSE INJURY OR DEATH.”

20. “CAUTION: THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED SERVICE PERSONNEL ONLY. TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN TEH OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO”

MORE INFORMATION
For warranty and service information, please contact your local Markkas distributor (contact information available at www.markbass.it).

For more technical information, please visit us at www.markbass.it and fill out the form on the Support page.
We hope you enjoy your power amp and use it to make great music!

The Lightning Flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product enclosure that may be of sufficient magnitude to constitute a risk of shock to persons.”

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.”

“To be used only With altitude not exceeding 2000 m”

To be used only where the climate is not tropical”

The MB58R series is a further example of how Markbass is always one step ahead in innovating -using state-of-the-art technologies. Once again Marco De Virgiliis with his pioneering soul has managed to create this new series of products which, with the use of custom components born thanks to years of experience and research Markbass and the use of revolutionary materials with an eye to the future and the environment, has really nailed the tone and power versus portability issue. The new LM MB58R amp new design features all the connections and controls on the front panel leaving on the rear panel only the speaker outs and AC power socket, offering optimal ergonomics and making everything more practical. This amp features updated 4 band EQ section, the new bi-band limiter paired with a 500 watt MPT power amp, a mute switch, and the 3 way rotary switch that that includes the options of a Flat, Scooped or FSW (Footswitch able) EQ options, all in an high build quality and ultralight new chassis in ABS, a super portable package that weights only 2.17Kg/ 4.78Ibs.

FRONT PANEL LITTLE MARK 58 R LITTLE MARK 58 R COMBO

1. SEND EFFECT 1 /4″ JACK
2. RETURN EFFECT 1/4″ JACK
3. LINE OUT XLR
4. LINE OUT PRE/POST EQUALIZATION CONTROL SWITCH
5. GROUND LIFT CONTROL SWITCH
6. UNBALANCED 1 /4″ JACK INPUT
7. GAIN KNOB
8. CLIP LED
9. 3-WAY ROTARY SWITCH KNOW (FLAT/SCOOPED-MID/FSW)
10. SCOOPED-MID EQ LED
11. LOW EQUALIZATION CONTROL KNOB
12. MID LOW EQUALIZATION CONTROL KNOB
13. MID HIGH EQUALIZATION CONTROL KNOB
14. HIGH EQUALIZATION CONTROL KNOB
15. OLD SCHOOL FILTER
16. LINE OUT LEVEL KNOB
17. MASTER VOLUME LEVEL KNOB
18. MUTE SWITCH
19. FOOTSWITCH INPUT
20. MAIN ON/OFF SWITCH

LITTLE MARK 58 R

LITTLE MARK 58 R

Rear Panel Little Mark 58r – Little Mark 58r Combo

1. AC POWER SOCKET
2. COOLING SYSTEM FAN
3. 4. SPEAKER OUTS 1/4” JACK
4. SPEAKER OUT SPEAKON TWO POLE
   

TECHNICAL DETAILS

INPUTS

• INPUT : impedance: 1 Mohm, max. voltage: 9 Vpp
• RETURN : impedance: 22 Kohm, max. voltage: 10 Vpp
• CONTROLS GAIN: – 46 dB to +23 dB range
• LINE OUT:  level control on front panel
• PRE/POST EQ (for line out): switch on front panel
• GROUND LIFT MUTE SWITCH/FSW MASTER VOLUME: switch on front panel

OUTPUTS

• SEND EFFECT: balanced XLR, max. voltage 20 Vpp
• LINE OUT: 1x speakon + 2x 1/4″jack
• SPEAKER OUT: 2 rack units (3.19 in. I 81 mm)

OTHERS

• HEIGHT: 10.87 in. I 27.6 cm (19 in. I 48.3 cm with rack ears)
• WIDTH: 10.16 in. I 25.8 cm
• DEPTH: 4.78 lbs I 2.17 kg
• WEIGHT: Flat/Scooped-Mid/Mute
• FOOTSWITCH (OPTIONAL):
• OUTPUT POWER: 5 00W RMS @4 ohm, 300W RMS@ 8 ohm (LITTLE MARK SBR/LITTLE MARK SBR COMBO)
• POWER REQUIREMENT: 100V; 120V; 230V,- 240V 50/60Hz (Voltage is factory preset according to region of sale). Markbass amps/combos are manufactured to be sold and used in the country of purchase, and are factory preset to that country’s voltage. Due to homologation issues, the voltage may not be changed.
• FUSE: LITTLE MARKSBR, LITTLE MARK SBR COMBO EUROPE 4A 250VT 5×20 AUSTRALIA/UK 4 A 250V T 5×20 USA/CANADA 8 A 250V T 5×20 JAPAN 10 A 250VT 5×20

COMBOS: TECHNICAL DETAILS

COMBO SERIES| MBS8R CMD 102 PURE| MB58R CMD 121 PURE| MB58R CMD 151 PURE| MB58R MINI CMD 121 PURE
---|---|---|---|---
SPEAKER| 2×1 0″ Neodimium Custom| 1 x12″ Neodimium Custom| 1xl5″ Neodimium Custom| 1×12″Neodimium Custom
TWEETER| Markbass hi-fi tweeter| Markbass hi-fi tweeter| Markbass hi-fi tweeter| Markbass hi-fi tweeter
SPEAKER POWER HANDLING| 400W RMS (AES Standard)| 400W RMS (AES Standard)| 400W RMS (AES Standard)| 400W RMS (AES Standard)
REFLEX| Rear| Rear| Rear| Rear
IMPEDANCE| 8 ohms| 8 ohms| 8 ohms| 8 ohms
CROSSOVER FREQUENCY| 3.5 kHz| 3.5 kHz| 3.5 kHz| 3.5 kHz
FREQUENCY RESPONCE| 40Hz to 20KHz| 45Hz to 20KHz| 40Hz to 20KHz| 45Hz to 20KHz
SENSITIVITY DB SPL| 101 dB| 99 dB| 100 dB| 99 dB
CONTROLS| GAIN I 4-BAND EQ I OLD SCHOOL FILTER I MUTE SWITCH I MASTER VOLUME I LINE OUT level control I PRE/POST EQ e GND switches I 3 WAY SWITCH: flat/scooped-mid/FSW
OUTPUT POWER| 500W RMS @ 4 ohm
300W RMS @ 8 ohm| 500W RMS @ 4 ohm
300W RMS @ 8 ohm| 500W RMS @ 4 ohm
300W RMS @ 8 ohm| 500W RMS @ 4 ohm
300W RMS @ 8 ohm
DIMENSIONS| 17.72745cm (vv) 22.68″/57.6cm (h)| 17.72745cm (w) 22.68757.6cm (h)| 17.72745cm (w) 22.687 57.6cm (h)| 15.35739cm (w) 18.50747 cm (h
WEIGHT| 18.64″/47.1 cm (d) 30 lbs /13.6 kg| 18.64″/47.1 cm (d) 31.1 lbs /14.1 kg| 18.64″/47.1 cm (d) 31.7 lbs / 14.4 kg| 14.17736 cm (d) 21.7 lbs / 10.3 kg

TROUBLESHOOTING TIPS

THERMAL PROTECTION
SYMPTOM: The amp gets hot and shuts down.

PROBABLE CAUSE: The amp is overheated, either as a result of inadequate ventilation or damage cooling system fan. When the amplifier cools down to a safe level, the amp will automatically restart.

SUGGESTIONS Please verify that the fan is working properly, and that the cooling system ports are not obstructed.

CURRENT PROTECTION

SYMPTOM PROBABLE CAUSE SUGGESTIONS: The amp turns on, but there is no signal coming from the speaker / s. low impedance load (minimum impedance for Markbass amps is 4 ohms), or a bad speaker cable. Please verify the impedance of the speaker l s connected to the amp. Note that two 4 ohm cabinets, or an 8 ohm and a 4 ohm cabinet, will result in an impedance below 4 ohms. Please check the speaker cab/el s. After checking these two things, please turn the amp off and turn it on again.

If the troubleshooting steps outlined above do not solve your problem, please contact your Markbass distributor/dealer for service information.

For more TROUBLESHOOTING TIPS, please check the FAQ section on the SUPPORT page of our website at www.markbass.it

Block Diagram

Block Diagram – Little Mark 58R
Note: product specifications are subject to change without notice

Customer Support

Parsek srI – Italy – 66020 San Giovanni Teatino CH – Via Po, 52
Tel: +39 0854407764 / 0854465705
Fax: +39 0854407764 / 0854407399
[email protected]
www.markbass.it

References

• Markbass – Passion brings innovation

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