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Old Belles Two amp ?
Old Belles Two amp ?
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Old 6th February 2007, 03:40 PM   #1
Jozef is offline Jozef  Poland
diyAudio Member
 
Join Date: Jan 2004
Location: east Poland or east EU
Default Old Belles Two amp ?

Hi,
Few weeks ago I get this old amp now I like to restore it.
After few unaswered emils to manufacturer I will like to ask
few question on this forum.This is first time.
1.Maybe someone has the schematic ?
2.There D41D14 and D40D14(I not sure about this because is unmarked)
driver transistor.
Which newer one BD237/38 or 2N4920/23 I can use without any change
on PCB ?
Maybe some others can be use here ?
3.On output looks like I use MJ15003/4 it's a good choice ?
I have not much even no expirence with SS staff I tube guy but I
hope I can change the tranzistors and caps.
Thanks for any help.
Jozef
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