I have an Rca T-62 that has a Bad RF-If can there a B@*^$ to work on still working on it i am doing exactly what ya talking about but still haveing no luck at this point in time
if i have to make transistor radio...could you just please tell me where i have to put tank coil (emitter, base or collector) and where i have to put feedback coil??? is the areal wire you have shown with 4 turns, the same called feedback coil??? what is the function of feedback coil and where it is plased in transistor please help me...dont discuss amplifier, i want to know about the first circuit,amplification comes next stage...please help.
I think that should be in the next video, may be the next two on the 280. I don't want to skip any steps even though I don't particularly like doing all of them, each step is very important. I believe that the RCA 280 was the top radio in 1933, nothing better on this planet. I feel grateful that I had this chance.
Back in those days they didn't have magnets that were very strong enough. So they made those speakers with an electro magnets instead. There were usually 4 wires for the speaker. two to power the electro magnet and two for the audio.
If you supply the correct amount of DC voltage to the Field coil it would work like a regular speaker. Depending on how much voltage you need it can be simple or very hard. All your doing is creating a magnet with eletricity. I seen where one speaker used 600 volts to create the field. But you could hook up a transformer that has D/C output and try upping the voltage like 12volt then go to 24 volt then so forth. It would be of help to know what the voltage its expecting.
well Tmrrow 2-192012 is the yearly Big East Coast Radio Show my club is putting it on hope i can locate some parts
radioman56 1 week ago
I have an Rca T-62 that has a Bad RF-If can there a B@*^$ to work on still working on it i am doing exactly what ya talking about but still haveing no luck at this point in time
radioman56 1 week ago
@radioman56
Yes, it can change the definition of the word, fun. Hope you can fix it or find a suitable sub.
AllAmericanFiveRadio 1 week ago
fudge factor?
SpeakerFreak95 2 months ago
@SpeakerFreak95
It's much better than the frustration factor.
AllAmericanFiveRadio 2 months ago
@AllAmericanFiveRadio LOL! thats funny, not so sure why, but that was funny. and yes its true,
SpeakerFreak95 2 months ago
great video!
SpeakerFreak95 2 months ago
Thanks SpeakerFreak95
AllAmericanFiveRadio 2 months ago
This has been flagged as spam show
if i have to make transistor radio...could you just please tell me where i have to put tank coil (emitter, base or collector) and where i have to put feedback coil??? is the areal wire you have shown with 4 turns, the same called feedback coil??? what is the function of feedback coil and where it is plased in transistor please help me...dont discuss amplifier, i want to know about the first circuit,amplification comes next stage...please help.
tiputipu0052 1 year ago
nice! how you making out with the field coil? btw what is the field coil for?
damusician 4 years ago
I think that should be in the next video, may be the next two on the 280. I don't want to skip any steps even though I don't particularly like doing all of them, each step is very important. I believe that the RCA 280 was the top radio in 1933, nothing better on this planet. I feel grateful that I had this chance.
AllAmericanFiveRadio 4 years ago
Back in those days they didn't have magnets that were very strong enough. So they made those speakers with an electro magnets instead. There were usually 4 wires for the speaker. two to power the electro magnet and two for the audio.
jimmy101112000 4 years ago
thanx and btw is there a way to hook a field coil speaker to a modern piece of equipment.
damusician 4 years ago
If you supply the correct amount of DC voltage to the Field coil it would work like a regular speaker. Depending on how much voltage you need it can be simple or very hard. All your doing is creating a magnet with eletricity. I seen where one speaker used 600 volts to create the field. But you could hook up a transformer that has D/C output and try upping the voltage like 12volt then go to 24 volt then so forth. It would be of help to know what the voltage its expecting.
jimmy101112000 4 years ago