Page 80 - Hi-Fi World (January 2020)
P. 80

LETTERS & EMAILS




                               lead is attached. My previous 75 had   too is for Dave Peacock to have more   you can remove them.
                               a Sony tuner but my present 75 has   success than Chas Hodges going   Regards,
                               a horrendous JVC tuner – silver in a   forward, given that the latter sadly   Mike Bickley
                               mock Tudor Walnut dash! I had similar   passed away in September 2018. Do
                               reception problems with my Daewoo   you want to tell Jon or shall I?  Thanks for that Mike. Yes, indeed
                               Lanos which had a retractable external   Many thanks,    – ferrite rings and beads absorb
                               aerial – posh!               Yours in Sound,             high frequency energy, thereby
                               Ray Spink                    Ian Davies                  reducing noise. RS Components stock
                               Nottingham                                               388 different types, for example,
                                                            Mea Culpa. Apologies to you all. If   companies like TDK making them for
                               Hi Ray. Your Naim amps and Garrard   Chas Hodges is reading the column   mains cable use.
                               401 fettled by Dr Martin Bastin are   from way above he may have a wry      Russ Andrews clamps (£8 for
                               lovely products in good, solid and   smile on his face at my stupidity.   two) are especially neat and he makes
                               honest British tradition – and Martin   JM               some very good points about their
                               Bastin helped re-launch the 401                          use, including being clamped to the
                               by his efforts. I am wedded to my   LED BULBS            output of wall-warts (switched mode
                               Garrard 401 on Martin Bastin plinth,   As a supplement to Richard Barton’s   power supplies) whose cable carries a
                               with its equally gorgeous SME3012S   experience with LED bulbs and RF.   lot of high frequency rubbish.
                               arm. Naim’s NDX 2 made its own   Russ Andrews has started to sell RF      I presume LED bulbs also carry
                               case for UK quality, in construction,   clamps https://www.russandrews.com/  internal switch mode supplies, to
                               finish and sound quality. Good   rf-clamp-pack-of-2-small.  change a.c. to d.c. for the LED,
                               engineering, worth appreciating.      When these first appeared they   also radiating rubbish, so as you
                                  With Radio 4 in the car, it seems   were clipped to interconnect cables   say: "clip them on to the mains cable
                               that you need to look at having a   and the like. In fact, Hi-Fi World   that feeds the light fitting". It makes
                               better aerial installed, rather than   carried a review of a pair of TDK   good technical sense, reducing RF
                               relying on the rear de-mister, if that   ones some years ago. Russ’s take on   radiation from the cable. The EU
                               is the aerial. I’m sure the ‘net can   the subject is to clip them on to the   mandates against RF radiation from
                               help here with car aerial installers.   mains cable which feeds the light   electronic equipment but endorses
                               NK                           fitting. He perceives that fitting them   LED bulbs for their power saving,
                                                            to signal carrying cables degrades the   ignoring the rubbish they produce
                               CHAS & DAVE 1                sound.                      – contradictory. A good solution
                               Slightly confused about Jon Myles’s      I think that you need to fit them   would be for household lighting
                               words regarding Chas & Dave in the   on all the LED light bulb mains cables   circuits to carry d.c. to LEDs direct, I
                               December 2019 issue...       before any perceived difference is   believe, eliminating RF radiation from
                                  It appears that Mr Myles is not   noticed, and then it’s probably very   household wiring, in line with EU
                               aware that Chas Hodges sadly died   subtle, but they are fairly cheap and   requirements. NK
                               over a year ago. I’m not a huge Chas
                               & Dave fan or anything but I do know
                               Chas is brown bread.
                               Adam Tate
                               Hertford
                               Hertfordshire
                               CHAS & DAVE 2
                               Jon Myles has really excelled himself
                               this month: “And then, of course, there’s
                               Chas And Dave. I’d wager it will be
                               Chas – so the chances are we’re going
                               to see Dave become the big interna-
                               tional star. Good luck to him too in that
                               venture and I hope Chas takes it well”.
                                  I think there’s every chance   Russ Andrews mains filter clamps, just £8 a pair. Clamp them
                               Dave’s career will be bigger, since Chas   over mains cables to reduce RF interference.
                               Hodges died in 2018.
                               Steve Fenton
                               Cambridge

                               CHAS & DAVE 3
                               Take the old boy out, buy him a pint
                               and give him a stiff talking to.  Tell him
                               that Chas is dead.
                               Best wishes,
                               Nick Powell
                               CHAS & DAVE 4
                               I was enjoying Jon Myles opinion article   Wall-wart power supplies produce RF noise. Russ Andrews
                               up until the last paragraph. My money   clamps suppress it.
                 80        HI-FI WORLD JANUARY 2020   www.hi-fiworld.co.uk
   75   76   77   78   79   80   81   82   83   84   85