Re: Buzzing sound with GU10 (mains halogen) fittings

["Simon Coates" <ecolume@xxxxxxx>]

Try some Philips lamps.  Note Osram and Sylvania lamps are the
same.

Simon

----- Original Message -----
From: Chris Langridge <chrisl@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: 21 May 2002 21:57
Subject: RE: [ukha_d] Buzzing sound with GU10 (mains halogen) fittings


> They are Sylvania!
>
>
> >-----Original Message-----
> >From: Simon Coates [mailto:ecolume@xxxxxxx]
> >Sent: 21 May 2002 20:49
> >To: ukha_d@xxxxxxx
> >Subject: Re: [ukha_d] Buzzing sound with GU10 (mains halogen)
fittings
> >
> >
> >Chris,
> >
> >The lamps are 'ringing'.  The filament is resonating
because
> >of the modified
> >sinewave from the dimmer.  Change your brand of lamp. 
Use either
> >Sylvania/Osram or Philips, or other decent branded lamp.
> >Lamps ringing was
> >very common years ago, esp. RO80s reflector lamps.
> >You could also change to low voltage fittings and lamps - this
> >would be much
> >cheaper in the long run.
> >
> >Regards
> >
> >Simon
> >
> >----- Original Message -----
> >From: Chris Langridge <chrisl@xxxxxxx>
> >To: <ukha_d@xxxxxxx>
> >Sent: 21 May 2002 19:33
> >Subject: [ukha_d] Buzzing sound with GU10 (mains halogen)
fittings
> >
> >
> >> Anybody get a buzzing sound with GU10 fittings when passed
through an
> >LD10?
> >> As these are mains vo0ltage I can't understand why the
hell
> >the actual
> >lamps
> >> would buzz.
> >>
> >> Any ideas?
> >>
> >>
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