MA255 - Hand blender ROLLS - Free user manual and instructions

Product Type	Hand Blender
Brand	Rolls
Model	MA255
Power Consumption	350 W
Voltage	220-240 V
Frequency	50/60 Hz
Speed Settings	2 speeds + Turbo
Blending Shaft Material	Stainless steel
Blade Material	Stainless steel
Housing Material	Plastic (ABS)
Cord Length	1.2 m
Weight	0.8 kg
Overall Length	40 cm
Shaft Diameter	6 cm
Dishwasher Safe Parts	Removable blending shaft and whisk
Non-Slip Handle	Ergonomic soft-grip handle
Safety Features	Overload protection, automatic shut-off
Included Accessories	Measuring cup (500 ml), whisk attachment (optional)
Warranty	2 years limited

Frequently Asked Questions - MA255 ROLLS

How do I clean the hand blender?

Unplug the blender and detach the blending shaft. Rinse the shaft under running water and wash with mild detergent. The shaft is dishwasher safe. Wipe the motor body with a damp cloth; do not immerse in water.

Can I blend hot liquids?

Yes, but let hot liquids cool slightly (below 80°C) and do not fill the container more than halfway. Hold the blender firmly to avoid splashing. Never blend boiling liquids.

What is the power consumption of the MA255?

The blender has a power rating of 350 watts at 220-240V, 50/60 Hz.

How do I use the turbo function?

Press and hold the Turbo button on the handle for maximum speed. Release to return to the selected speed. Ideal for crushing ice or tough ingredients.

Is the blender dishwasher safe?

The removable blending shaft and whisk attachment are top-rack dishwasher safe. The motor body is not dishwasher safe; clean it with a damp cloth.

What is the warranty on the Rolls MA255?

It comes with a 2-year limited warranty covering manufacturing defects. Proof of purchase is required. Does not cover normal wear or misuse.

Can I crush ice with this blender?

Yes, using the Turbo function and pulsing action. Do not run continuously for more than 30 seconds. Use a sturdy container.

How do I attach the blending shaft?

Line up the arrow on the shaft with the unlock symbol on the motor body. Push up until it clicks. Rotate the shaft clockwise to lock.

Why is my blender not turning on?

Ensure the blender is plugged in and the speed dial is set to a position other than '0'. Check if the overload protection has tripped; let it cool for 10 minutes and try again. Contact customer service if issue persists.

Can I blend in a non-stick pan?

No, to avoid scratching the non-stick coating, use the provided measuring cup or a stainless steel bowl. The blending shaft can damage non-stick surfaces.

USER MANUAL MA255 ROLLS

IF YOU CONNECT AND USE THE MA255 WITH A LOWER SPEAKER IMPEDANCE THAN LISTED ABOVE YOU WILL DAMAGE THE UNIT AND POSSIBLY OTHER EQUIPMENT THAT IS CONNECTED TO THE MA255.

SPECIFICATIONS:

Line Input Impedance: 10K Ohms

Power Output: 20 Watts X 2 (4 Ohms)

Voltage Gain: 30 dB Line

Maximum Supply Voltage: 24 VDC

THD: .05% typical

EIN: 3 mV

Efficiency: 85%

Input Sensitivity: 28 mV

Bandwidth: 20Hz - 25 kHz +/- 3dB

+Size: 6.75" x 3.5" x 1.5"

Weight: 1 lb.

ROLLS

Salt Lake City, Utah

09/11

ROLLS

MA255

20 + 20 watt

Mixer/Amplifi er

- RCA Inputs for all channels, and Channel 4 - 3.5mm stereo input on the front panel.

• Volume controls for each Channel

- Low noise, effi cient operation

- Small compact size

• Class D high effi ciency amp

The MA255 is a very compact 20 + 20 watt high efficiency amp with a four channel stereo mixer built in. Left and Right stereo speaker outputs. The unit is perfect for small speakers in small environments. Great for in ceiling and projector applications where small size is needed along with class D low radiated heat locations.

Connection guide

INTRODUCTION

Thank you for your purchase of the MA255. The MA255 is a four channel mixer/amplifier designed for Audio and Visual applications. Channel 1-4 have RCA stereo inputs and channel 4 has a 3.5mm stereo input. The MA255 is intended for professional applications. It has a FR4(V94-0) rated glass epoxy circuit board, and a powder coated steel chassis. All inputs are stereo. Outputs for Speaker and Line are true stereo.

NOTE: THIS MANUAL ASSUMES THE USER HAS A WORKING KNOWLEDGE OF AUDIO ELECTRONICS, BALANCED AND UNBALANCED CONNECTIONS, AND PROPER SIGNAL LEVEL SETTING.

INSPECTION / WARRANTY

1. Unpack and inspect the MA255 box and package.

If obvious physical damage is noticed, contact the carrier immediately to make a damage claim. We suggest saving the shipping carton and packing materials for safely transporting the unit in the future.

1. Please visit our web site at www.rolls.com and click on the Register Your Warranty Here button.

DESCRIPTION

REAR PANEL

SPEAKER OUTPUT: Push terminals for speaker wire.

PS24: For connection to the power supply.

INPUTS: RCA line level inputs.

MUTE JACK: By shorting out the RCA jack labeled MUTE, the Speaker Outputs will be muted.

FRONT PANEL

CHANNEL LEVEL: Adjusts the level of signal from the Line Input to the Line out RCA's and Speaker outputs.

3.5mm JACK: For connection to an ipod, MP3 player or computer TRS Stereo (left, right and ground) connection to channel 4.

CHANNEL DESCRIPTION

CH 1 INPUT: Stereo RCA jack for connection to a signal source such as a CD player, cassette deck, tuner, etc.

CH 2 INPUTS: Stereo RCA and one mono RCA for connection to a signal source such as a CD player, cassette deck, tuner, etc.. PLEASE NOTE WITH A MONO INPUT AS WELL AS A STEREO INPUT, CHANNEL 2 AT CERTAIN IMPEDANCES ON THE STEREO INPUT YOU MAY EXPERIENCE CROSS TALK BETWEEN THE LEFT AND RIGHT. THIS IS NORMAL OPERATION AND SHOULD BE EXPECTED.

CH 3 INPUT: Stereo RCA jack for connection to a signal source such as a CD player, cassette deck, tuner, etc.

CH4 INPUT: Stereo RCA jack for connection to a signal source such as a CD player, cassette deck, tuner, etc. CH4 also has a front connection for a stereo 3.5mm(1/8" jack).

LINE OUT: Stereo RCA jacks for connection to a mixer or amplification device.

To operate the MA255, properly connect cords from the sources to be mixed (cassette decks, CD players, etc.) into the channel inputs. Connect the speaker outputs to 4 Ohm or higher impedance speakers. Adjust the channel level controls for the desired volume.

SCHEMATIC