1948 Astor
- Topic Author
14 years 11 months ago #8314
by
1948 Astor was created by
Hi i would like ask the EXBERTS out there : Why my 1948 Astor Radiogram plays my 78's , 45's & 33 1/3 records at top volume but when it comes to the radio part it comes out softy even with volume turn up full blast........I NEED HELP .DAVE
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14 years 11 months ago #8315
by huppypuppy
Dave,
Have you checked there's no dust in behind the volume controls???? I used to have problems with the volume controls getting dust into them - a little squirt of CRC CO Contact Cleaner should do the trick!
Joe
Replied by huppypuppy on topic Re: 1948 Astor
Hi i would like ask the EXBERTS out there : Why my 1948 Astor Radiogram plays my 78's , 45's & 33 1/3 records at top volume but when it comes to the radio part it comes out softy even with volume turn up full blast........I NEED HELP .DAVE
Dave,
Have you checked there's no dust in behind the volume controls???? I used to have problems with the volume controls getting dust into them - a little squirt of CRC CO Contact Cleaner should do the trick!
Joe
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14 years 9 months ago #8316
by grahamjb
Replied by grahamjb on topic Re: 1948 Astor
Dave
If you are in Perth I will fix it for you.
In simple terms the amplifier has two inputs - one for the turntable and one for the tuner. In your case, the output from the tuner is low thus giving you low volume. Old valve tuners and amplifiers often exhibited low output which can be caused by low emission valves, leaky paper capacitors (called condensers in the old days) or bias resistors that have gone high in value.
Most likely it will be a valve such as the Rf amplifier 6J8G or IF valve 6U7G. The circuit shown at the attached link is typical
www.keypoint.com.au/~pauledgr/AstorHM.pdf
If you are in Perth I will fix it for you.
In simple terms the amplifier has two inputs - one for the turntable and one for the tuner. In your case, the output from the tuner is low thus giving you low volume. Old valve tuners and amplifiers often exhibited low output which can be caused by low emission valves, leaky paper capacitors (called condensers in the old days) or bias resistors that have gone high in value.
Most likely it will be a valve such as the Rf amplifier 6J8G or IF valve 6U7G. The circuit shown at the attached link is typical
www.keypoint.com.au/~pauledgr/AstorHM.pdf
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- Topic Author
14 years 9 months ago #8317
by
Replied by on topic Re: 1948 Astor
Got a simple answer.... Upgrade to CD player!
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14 years 9 months ago #8318
by Andy Wright
Andy&&&&Whatever rubs your buddah.&&&&Got Bedfords? http://bedfordtr
Replied by Andy Wright on topic Re: 1948 Astor
Then he'd have to buy CDs...
Graham, Deadly's in Melbourne.
Graham, Deadly's in Melbourne.
Andy&&&&Whatever rubs your buddah.&&&&Got Bedfords? http://bedfordtr
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14 years 9 months ago #8319
by grahamjb
Replied by grahamjb on topic Re: 1948 Astor
Looks as though I won't be fixing it for him then - he will probably be able to fix it himself by changing valves as per my previous post
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- Topic Author
14 years 9 months ago #8320
by
Replied by on topic Re: 1948 Astor
Thanks graham i have down loaded your info and where would i get these values from in Melbourne this sure looks like i will have my witts about to do this . Dave :
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14 years 9 months ago #8321
by Swishy
Dedlee
GuddayM8
Have eye got a deal 4 U !
jist wotcha need fur U're beluved BedPhord
Tiz in the right time frame n all
CliknHereWillGetchaThere
www.miniscience.com/projects/CrystalRadio/crystalradio.jpg
www.eecs.umich.edu/~srs/Antiques/Radios/Crystal_Radio.jpg
Least it wont flatten the battery
LOL
Cya
[ch9787]
OF ALL THE THINGS EYE MISS ................. EYE MISS MY MIND THE MOST
There's more WORTH in KENWORTH
Replied by Swishy on topic Re: 1948 Astor
Dedlee
GuddayM8
Have eye got a deal 4 U !
jist wotcha need fur U're beluved BedPhord
Tiz in the right time frame n all
CliknHereWillGetchaThere
www.miniscience.com/projects/CrystalRadio/crystalradio.jpg
www.eecs.umich.edu/~srs/Antiques/Radios/Crystal_Radio.jpg
Least it wont flatten the battery
LOL
Cya
[ch9787]
OF ALL THE THINGS EYE MISS ................. EYE MISS MY MIND THE MOST
There's more WORTH in KENWORTH
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- Topic Author
14 years 9 months ago #8322
by
Replied by on topic Re: 1948 Astor
Thanks Ted your a real gem but the radio rns on 240 volts. Dave
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14 years 9 months ago #8323
by Sarge
Sarge
ACCO Owner, Atkinson dreamer.
Replied by Sarge on topic Re: 1948 Astor
Dave try RAPAR they were up the top end of Spencer street Melb last time I looked, all they used to do was stock radio parts.
Sarge :-X
Sarge :-X
Sarge
ACCO Owner, Atkinson dreamer.
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