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Sets, Parts and Service Information Wanted (private buyers only, no swaps) If you need help obtaining components, sets or equipment, post a message here. Private buyers only - no traders. No swaps.

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Old 14th Jan 2022, 5:31 pm   #1
FIXITNOW
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Default HMV Marconi Mains transformer wanted

had this HMV model 1120 come my way sadly with out its original Mains transformer
valves U84/X81/W81/DH81/KT81
so need to find one to suit
a quick search on valve types give
HMV 5103/7103/5302 and radio gram 1609
plus
Marconi 7102/7103/5103 as basically the same

has any one got a transformer please? as would prefer to put it back to original if i could.

I do have a HNV 1119 chasses that at a push i could use plus its rectifier and rewire for the 6.3v heater rectifier valve as original is a 4v rectifier
but would prefer to put it back to original
Cheers vince
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Old 14th Jan 2022, 7:25 pm   #2
Ed_Dinning
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Default Re: HMV Marconi Mains transformer wanted

Hi Vince, do you have any size details of the transformer you require as I have a selection of used tested ones that may do.
Is it an upright or drop through type?

Ed
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Old 14th Jan 2022, 7:48 pm   #3
FIXITNOW
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Default Re: HMV Marconi Mains transformer wanted

Quote:
Originally Posted by Ed_Dinning View Post
Hi Vince, do you have any size details of the transformer you require as I have a selection of used tested ones that may do.
Is it an upright or drop through type?

Ed
its a drop through hole off
2 and 5/8" by 2 and 1/4"
screw mounts are 3" x 2 and 1/2"

picture snip for site DVD2 original HMV manual

i guess for voltages 4v for rectifier 75ma
HT 250 0 250
and for valves/ dial blubs about 2a at 6.3v
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Old 14th Jan 2022, 8:29 pm   #4
FIXITNOW
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Default Re: HMV Marconi Mains transformer wanted

spec for heater rectifier valve U84 from web
4 volt 1 amp ht 250 v 75ma
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Old 14th Jan 2022, 9:02 pm   #5
Ed_Dinning
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Default Re: HMV Marconi Mains transformer wanted

Hi Vince, give me a couple of days to see what I can find

Ed
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Old 15th Jan 2022, 8:27 am   #6
FIXITNOW
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Default Re: HMV Marconi Mains transformer wanted

Quote:
Originally Posted by Ed_Dinning View Post
Hi Vince, give me a couple of days to see what I can find

Ed
cheers
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Old Yesterday, 8:04 pm   #7
Ed_Dinning
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Default Re: HMV Marconi Mains transformer wanted

Hi Vince, sorry not got a suitable one of that type and voltages

Ed
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Old Yesterday, 8:31 pm   #8
FIXITNOW
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Default Re: HMV Marconi Mains transformer wanted

Quote:
Originally Posted by Ed_Dinning View Post
Hi Vince, sorry not got a suitable one of that type and voltages

Ed
Ok thanks for looking i will leave on the 2 do pile for now and keep an eye out round the rallies , and should it work its way to the top i will consider the parts from my model 1119 scrap chassis

all the best Vince
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Old Yesterday, 9:46 pm   #9
Ed_Dinning
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Default Re: HMV Marconi Mains transformer wanted

Hi Vince, If I'm in the pile again and I can find a suitable upright version I'll dig it out for you, difficulty would be the 4V and 6.3 V heaters. If I can find 5V or 6.3 V for the rect could you add a heater dropper or do you want the set to be original?

Ed
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