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Comparison Bosch AdvancedRotak 770 06008B9307 vs Bosch AdvancedRotak 760 06008B9306

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Bosch AdvancedRotak 770 06008B9307
Bosch AdvancedRotak 760 06008B9306
Bosch AdvancedRotak 770 06008B9307Bosch AdvancedRotak 760 06008B9306
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Typelawn mowerlawn mower
Motor typeelectric (mains)electric (mains)
Mowing
Cutting width46 cm46 cm
Cutting systemrotaryrotary
Min. cutting height25 mm25 mm
Max. cutting height80 mm80 mm
Number of height settings77
Cutting height adjustmentsynchronoussynchronous
Cleaning
Grass ejection
rear ejection
in a bag
rear ejection
in a bag
Bag typecombinedcombined
Bag volume50 L50 L
Full bag indicator
Design
Features
handle height adjustment
handle height adjustment
In box
Nozzles
2-tooth blade
2-tooth blade
Motor
Motor power1800 W1800 W
General
Deck materialplasticplastic
Noise level76 dB89 dB
Dimensions136x46x105 cm
Weight16 kg16 kg
Added to E-Catalogapril 2021may 2020

Noise level

The level of noise produced by the device during operation. Usually, a certain average indicator is indicated in the characteristics — in the standard mode of operation; however, the actual values usually do not differ much from the claimed ones.

The lower the noise level, the more convenient the unit to use and the less tired the operator. In the case of lawn mowers, this is especially true, since such equipment is quite noisy — even the quietest models (some robots) give out about 47 – 48 dB, which is comparable to talking at an average volume. Note that the decibel is a non-linear quantity, and it is easiest to evaluate the actual loudness using comparative tables. Here is the simplest table for the values found in modern lawn mowers:

— 60 – 65 dB — talking in raised tones at a distance of about 1 m;
70 dB — loud conversation of several people at the same distance;
75 dB — loud laughter at a distance of 1 m;
80 dB — motorcycle engine, medium power vacuum cleaner.
90 dB — loud screams, freight car at a distance of 7 – 10 m;
100 dB — a subway train or a loud car signal at a distance of 5 – 7 m, an industrial workshop;
110 dB — tractor engine at a distance of about 1 m.

In addition to subjective sensations, there are specific sanitary standards that limit the impact of strong noise. So, according to European standards, noise of 85 dB is allowed to be heard without protective equipment for 8 hours, 91 dB — 2 hours, 97...dB — half an hour, and 103 dB — only 7 minutes. So when choosing a unit, you should take into account the duration of work with it — with high noise, you may need protective headphones.
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