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Old 11th September 2010, 07:10 AM   #1
ervinl is offline ervinl  Indonesia
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Default Help Old Radio Philips


I have old Philips radio with phone/amplifier inputs. The type could be 483X-05 (not sure due to letter is not clear), NR E10999E00.

Anybody has this schema?

I would like to refresh/change the tube. The rect tube pinout is similar to AZ1, but the type is not clear (almost gone). Should have higher rating than AZ1 (but what tube type?).

The power tube is EL3??. I guest EL34, but it is wrong since the pinout (socket) is not octal (although 8 pin), almost like AZ1 (4 pins wide space, 4 pins short space). Seems like EL3, but not sure since there is additional number/letter after that. It is Miniwatt.

And about driver, somethink like EBF??. With a cap.


Ervin L
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Old 11th September 2010, 07:33 AM   #2
Netlist is offline Netlist  Belgium
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Ervin, got a picture? I can't find that type.
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Old 11th September 2010, 02:39 PM   #3
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Try contacting the American Radio Museum in Bellingham, Washington. They have at least 10,000 different old tubes and lots and lots of radios, parts, and expertise from a group of volunteers that really know their stuff when it comes to radios.
There website address is: American Museum of Radio & Electricity
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Old 11th September 2010, 03:32 PM   #4
ervinl is offline ervinl  Indonesia
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Originally Posted by Netlist View Post
Ervin, got a picture? I can't find that type.
See the attachment for picture. Not so clear. May help.


Ervin L
Attached Images
File Type: jpg Radio Philips 242.jpg (288.8 KB, 136 views)
File Type: jpg Tabung EL3.jpg (11.8 KB, 128 views)
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Old 11th September 2010, 04:43 PM   #5
davorin is offline davorin  Croatia
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Location: Zadar, Croatia
EL3N I think.
AZ2(120mA) and AZ4(160mA) are stronger tubes than AZ1(100mA), with same socket connection(pin-compatible).
For 1xEL3N as an output tube, You need AZ1. Your AF-driver is EBF1.
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Old 16th December 2010, 07:17 PM   #6
acarp is offline acarp  Bulgaria
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EL 3, Tube EL3; Röhre EL 3 (EL3)
EK 3, Tube EK3; Röhre EK 3 (EK3)
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Old 16th December 2010, 09:30 PM   #7
DF96 is offline DF96  England
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As it seems to be a European design you could try asking here, but better pictures might help.
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