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Home Media Ltd

 
HOME MEDIA LIMITED
24-26 Union Street
Maidstone
Kent
ME14 1ED
Tel: 01622 676703
Fax: 01622 676723
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    DAB & AM/FM Tuners
Who invented DAB?
Digital Audio Broadcasting or 'DAB digital radio' has been developed by a consortium of manufacturers and broadcasters. The BBC pioneered DAB digital radio and was the first broadcaster in the UK to build a transmission network and start broadcasting DAB in 1995.

We have listed a number of DAB & AM/FM Tuners available from our showroom.

For further information, please click on a model number below to view the product and for specifications.

Arcam T91

Denon TU1800

Marantz ST7001 ST15S1

Nad C445

AM/FM Tuners only
Arcam T61

Denon TU1500

Marantz ST6001

Nad C422

Naim NAT05

Quad 99FM

Roksan Kandy Tuner Caspian Tuner

Yamaha TX497

How does it work?
Put simply - DAB radio works by utilising both MPEG and COFDM (Coded Orthogonal Frequency Division Multiplex) technology which converts the music or speech from analogue signal into digital (binary) code. This vastly reduces the potential for the broadcast to be corrupted during transmission by weather conditions, and other problems that can degrade the quality of reception.

How is this different from FM?
The 'multipath' interference which disturbs FM reception (caused by radio signals bouncing off buildings and hills) is eliminated within DAB signals. Digital radio sets have processors which filter out interference and correct signal errors. Digital radio is designed to use 'multipath' to its advantage. DAB technology allows the receiver to combine delayed signals, making for a more robust reception overall.


   
What sort of aerial do I need?
Your Digital radio/hi-fi tuner will come with an indoor aerial, either a ribbon dipole or a standard telescopic aerial.

The aerial supplied should work well if you're within DAB coverage area, however if you're listening in a basement, or your building is steel-framed, or reinforced concrete, you might need an external aerial. As a rule of thumb, if you already have poor FM or mobile phone reception, chances are you'll need an external aerial. But first, see if placing the radio near to a window improves reception.

To obtain the best results from an external aerial, either use a dipole (omnidirectional aerial - should work well for moderate to strong signal levels provided it is vertically polarised) or, in exceptional circumstances, a Yaggi (which has a much higher gain than a dipole, but is directional - best suited where reception is poor and all transmitters are in the same direction). The Yagi aerial must be pointed at the transmitters.

All DAB Di-pole aerials must be vertically polarised. The higher the aerial is mounted, the better reception you will receive. You should find a qualified aerial installer in your local Yellow Pages or we can recommend one, but make sure they understand you want a DAB aerial, not an FM or TV aerial.

 
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