Posts by Gunnar Faith-Ell
44 total posts36 results
Beolab 4 repair , fix it, bin it,It's worth it ??
in General Discussion & Questions · Jan 18, 2022 14:33Do you know where I can get the 8003195 board? My local dealer is not allowed by B&O to sell spare parts any more and cant even access them in the computer system.
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Sept 7, 2021 19:55And finally the Beolab 5000 is producing 60V and fully working. So the problem was the fake transistors.
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Sept 7, 2021 18:47Now an inside picture from the new and from the fake 2N3055
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Sept 7, 2021 18:47Now an inside picture from the new and from the fake 2N3055
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Sept 6, 2021 10:33The new one is 11gr and the fake 9 gr.
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Sept 6, 2021 10:31So, I got the new 2N3055.. The one to the right.
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 19, 2021 18:30I ordered the 2N3055 from CPC in UK and I will open one when they arrive and let you know if they can be trusted as a replacement. Otherwise I will send them back 😁
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 19, 2021 11:39I need more like 50 pcs...
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 18, 2021 21:08How about this one from Farnell? 2N3055 - Multicomp Pro - Bipolär (BJT) singeltransistor, Allmänt ändamål, NPN (farnell.com)
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 18, 2021 21:05How about this from Farnell: 2N3055 - Multicomp Pro - Bipolär (BJT) singeltransistor, Allmänt ändamål, NPN (farnell.com)
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 17, 2021 13:31When trying to find a larger lot than 1-2 of them most looks like the fake one. Perhaps it's easier to find a good replacement for 2n3055 which they dont copy?
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 15, 2021 17:10Ok, I will see what I can find. Gunnar
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 13, 2021 16:53ok, I will order new transistors. Thank you Gunnar
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 12, 2021 19:57Thank you Martin for a fast reply. 1) The 2N3055 come from a workshop that I bought so its not possible to trace the actual source. What do you recommend for make of them to be sure its original? Here is a picture of the…
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 12, 2021 19:57Thank you Martin for a fast reply. 1) The 2N3055 come from a workshop that I bought so its not possible to trace the actual source. What do you recommend for make of them to be sure its original? Here is a picture of the…
Beolab 5000 (60:th), 2N3055 in the power supply breaks when speaker is connected
in Imported Content (Unmapped) · Aug 11, 2021 09:39I am repairing a Belab 5000. All capacitors have been changed. The Power supply is repaired with new transistors, new 18V zenner and show correct values (60V, over the 33V Zenner diode about 34V). The problem is when I c…
Beomaster 8000 bias setting drifting
in Imported Content (Unmapped) · Jun 11, 2021 15:23Thank you for your answer. Then it is no worry🤗. I think it could have to do with the temperature on BF857 which gets quite hot.
Beomaster 8000 bias setting drifting
in Imported Content (Unmapped) · Jun 11, 2021 14:32I have repaired a few Beomaster 8000. In some of them when I set the bias to 18mV it will raise a few mV after some minutes. The 100ohm potentiometers on the amplifier boards are exchanged. So are the capacitors on the b…
Beocord Steromaster spare parts
in General Discussion & Questions · Apr 6, 2021 12:42I just repaired a board on a Beocord stereomaster and got everything working except that one of the rubber drive wheels is slippering so it wont get correct speed unless I press on its shaft. Further the motor is a bit n…
Beomaster 8000 "object" wanted
in Imported Content (Unmapped) · Dec 9, 2020 09:59I am interested in Beomaster 8000, Beogram 8000 and Beocord 9000 in defect condition, maybe it has been used for spares or is broken and is just standing in a storage.