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| | |-+  Please help me to choose PT and OT for 504OL
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Author Topic: Please help me to choose PT and OT for 504OL  (Read 2769 times)
Fred.T
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« on: January 06, 2013, 07:45:17 PM »

Same as in HeyWhat section, maybe here is the better place to ask the following...

I am about to purchase the HeyWhat kit but would like to try with transformers built in Europe. Not that I don't trust Nik transformers (I already have the OTS working great), but trying to reduce costs including shipping and VAT, customs...

Here goes, options for 504 OL (50watt):

Output transfomer:
http://www.welter-electronic.de/bauteile/trafos/uebertrager/standard/standard_uebertrager.htm

type Ü4
50 Watt Übertrager - RAA: 3,4kΩ - für 2xEL34/6550 - Output 4+8+16Ω - Der Übertrager wird nachoriginal alten Marshall® Trafowickeldaten bei uns hergestellt. Die Wicklungswiderstände der beiden Primärwicklungen A1 zu+ und A2 zu+ sind durch unsere präzise Wickeltechnik absolut gleich. Maße 98x80x93mm - 2,2kg -

type Ü9/4oD
UL 40-50 Watt Universal-Übertrager - RAA: 3,6kΩ - Output 4, 8 und 16Ω mit SG-Anschluss - für 2xEL34 oder 2x6L6GC - Maße 97x80x91mm -  sonst wie Ü 9/4.

are closest to specifications.


For the Power Transformer:
http://www.welter-electronic.de/bauteile/trafos/netztrafo/musiker/sonder_trans.htm

type N 9 F3
Netztrafo mit folgenden Daten: 360-340-52-0-340-360V - 140/140mA - 5V 3A - 6,3V 4,8A  Universal Netztrafo

N 13 F2+3
Netztrafo mit folgenden Daten: 360-320-53-0-320-360V - 200/200mA - 6,3V 5,8A - 5V 3A

or N15 E-BS40
BV.070907MD
Netztrafo mit folgenden Daten: 0-320-360V 230mA - 50V 50mA -6,3V 5A. Dieser Netztrafo hat die gleiche Bauform (MD85)  wie der original Netztrafo von Echolette®  BS40

Any help is greatly appreciated, thanks!!!
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