RE: Buzzing sound with GU10 (mains halogen) fittings

[Chris Langridge <chrisl@xxxxxxx>]

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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