Roberts DAB Radio
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Bestselling Reviews
Roberts RD21B(ECO4) Ecologic 4 DAB/FM RDS Digital Stereo Radio
I was very impressed with the Roberts RD21B(ECO4) Ecologic 4 DAB/FM RDS Digital Stereo Radio. It is good looking, has a great sound and is finished to a high standard. When you switch it on it searches for all the digital radio stations in your area.
You can then assign these stations to one of 5 buttons. Pressing another button lets you set another 5 presets. The sound is great but if you need to tweek the sound to your own preference then the separate treble and bass buttons allow for this. Roberts claim that this radio has 150 hours of battery life which is great although I haven’t had the chance to confirm this.
The Ecologic is quite heavy but in my mind this means that the product is of real quality. I understand that this was a “Which” recomnendation – Overall, very impressed.
Manufacturer’s Description
The Ecologic 4 offers 150 hours battery life, which is five times more than other DAB radios on the market, so you’ll need to purchase batteries less often. Alternatively the radio can be operated via the mains and has a reduced level of power consumption. Save money and the environment with the Ecologic 4. It features stereo speakers as well as separate bass and treble controls.
Box Contains
One Ecologic 4 radio
Mains lead
Instruction manual
Technical Details
Roberts ecologic4 Digital portable stereo radio with up to 150 hours battery life
DAB/FM wavebands
Covers entire Band III frequencies and FM Band II frequencies
Frequency range DAB Band III 174.928 – 239.200MHz, FM 87.5-108MHz
FM RDS station name display
Controls: Menu display selection of all major functions
Rotary tuning and volume controls
Rotary bass and treble controls
10 memory presets for DAB and 10 for FM waveband
Stereo/Mono setting on FM
Output power 2×3W
Power consumption:Standby 1.7W in operation 4.1W (min volume) 9W (mid volume)
Display backlight
Batteries 6 x LR20 (D size) not supplied
3.5mm Stereo headphone socket
3.5mm Stereo line output socket
Telescopic aerial
AC mains socket
Dimentions (mm) 295 width x 165 height x 115 depth
Weight 1.95kg
Roberts Unologic DAB/FM RDS Digital Radio with Built-in Battery Charger – Black
This is a great little radio solidly built and with a great sound. It is easy to use and has two power sources. The two sources are the mains or batteries. If you use rechargeable batteries then the radio will recharge them when not in use which makes this function quite unique. You just have to push a small switch to tell it what type of battery you are using.
Another useful function I found was the ability to switch to FM. There are some local stations that aren’t on digital yet and this means I can still listen to them.
I have some friends who go camping a lot and they say that that this radio provides excellent coverage without having to extend the aerial.
This radio is easy to use with great performance.
Product Features
DAB/FM RDS radio WITH 10 station presets AND Search/manual tuning
Runs on rechargeable AA batteries (with built-in battery charger) or via the mains (adapter included)
Easy to read 16 x 2 character LCD display with Amber display backlight
FM RDS station name display
Headphone socket
Technical Details
Roberts ecologic1 Digital portable radio with built-in battery charger
DAB/FM wavebands
Covers entire Band III frequencies and FM Band II frequencies
Frequency range DAB Band III 174.928 – 239.200MHz, FM 87.5-108MHz
FM RDS station name display
Controls:Menu display selection of all major functions
Up/down tuning buttons
Volume Up/down buttons
5 memory presets for DAB and 5 for FM waveband
Stereo/Mono setting on FM
Scan sensitivity setting on FM waveband
Charge/battery low indicator
Lock switch prevents unintentional operation
Output power 0.5W
Power consumption:Standby 0.25W in operation 1.70W (half volume)
Batteries 4 x LR6 (AA size) Alkaline or NiMH rechargeable (not supplied)
Up to 25 hours of listening when used for 4 hours a day at normal volume using alkaline cells
3.5mm headphone socket
Telescopic aerial
Switching adaptor AC 100 – 240V 50/60 Hz
Dimentions (mm) 160 width x 105 height x 35 depth
Weight 387g
What is DAB Radio?
DAB stands for Digital Audio Broadcasting, this is a way of broadcasting radio digitally via a network of transmitters. It provides listeners with much better sound quality, more choice and more information.
Because of the way DAB technology works, broadcasters can transmit many more stations than ever before. Listeners in most major towns and cities in the UK can receive between 30 and 50 radio stations with a digital radio, in many cases that’s more than double what’s available on analogue. Because digital radio uses the spectrum more efficiently than analogue, it is possible to broadcast more channels using the same frequency, making room for broadcasters to expand their station portfolios.
DAB digital radio delivers improved sound quality. The technology allows the receiver to lock on to the strongest signal it can find and ignore everything else. This eliminates the hiss, crackle and fade so familiar on analogue radio.
A DAB digital radio will tune to a station at the touch of a button. No more fine tuning a station to get the best reception. A DAB set allows the listener to scroll through a list of available stations by name – then tune in by pressing the ’select’ button.
Have you ever heard a song on the radio and wanted to know who it is by or what it’s called? Or tuned into speech radio and wanted to know what the programme is about or who is speaking? Digital Radios have a screen which can show text information transmitted by the radio station. Some stations send information about latest news, sports scores, what’s on now and next, website address and phone numbers. Some radios offer an option to view the Electronic Programme Guide (EPG) which shows listings information for some stations. It is also possible to Pause rewind and record live radio.
