Amplimo: primary brown, pink and orange?

Vigier · 4th February 2006, 01:12 PM

Hi,

I have a few amplimo toroids, with 3 primary wires.
Brown, pink and orange. The pink one has 2 wires in it (sleeve) that are tied together.
This toroid can be used for 220V and 231V. Does anyone know how to use these wires?

I've searched the forum, and the PDF's of Amplimo, but now they only use double-white wires.
Secondary is the usual red/yellow + blue/gray.

Kind regards,

Joris

Netlist · 4th February 2006, 01:21 PM

Joris,
Without being certain, this is likely a dual primaries transformer.
Just connect the 230V to the brown and orange wires.
Use a variac and slowly power up without load and look at the light bulb you connected in series with say the brown wire.
If the lamp starts glowing, something is wrong.
Monitor the secondaries while your at it.
There should be no difference between 220 and 231V.
Picture?

/Hugo

Vigier · 5th February 2006, 09:48 PM

Thanx Hugo,

I'll use a dimmer, buy one tomorrow (last 2 were broken, used them for a drill). Good Idea of you!

If anyone has a transformer of this type and you already know what wire is what... let me know!

Kind regards,

Joris

Netlist · 6th February 2006, 07:02 AM

Joris,
Don't use a dimmer. Try to find a variac, they can be found for very cheap and your bench will thank you.

/Hugo

loek · 8th February 2006, 02:27 PM

Hi Joris, did you try a phonecall to amplimo?,
I did once for old amplimo stuf and they could help me.
Greetings, Loek

Vigier · 10th February 2006, 03:54 PM

Hi Loek,

pffew... why didn't I think of that before! Thanks!

I'll call them tomorrow

Grtz, Joris

4th February 2006, 01:12 PM	#1
Vigier diyAudio Member Join Date: Nov 2002 Location: Netherlands	Amplimo: primary brown, pink and orange? Hi, I have a few amplimo toroids, with 3 primary wires. Brown, pink and orange. The pink one has 2 wires in it (sleeve) that are tied together. This toroid can be used for 220V and 231V. Does anyone know how to use these wires? I've searched the forum, and the PDF's of Amplimo, but now they only use double-white wires. Secondary is the usual red/yellow + blue/gray. Kind regards, Joris

8th February 2006, 02:27 PM	#5
loek diyAudio Member Join Date: Feb 2005 Location: The Hague	Amplimo: primary brown, pink and orange? Hi Joris, did you try a phonecall to amplimo?, I did once for old amplimo stuf and they could help me. Greetings, Loek

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4th February 2006, 01:21 PM	#2
Netlist diyAudio Moderator Join Date: Jan 2003	Joris, Without being certain, this is likely a dual primaries transformer. Just connect the 230V to the brown and orange wires. Use a variac and slowly power up without load and look at the light bulb you connected in series with say the brown wire. If the lamp starts glowing, something is wrong. Monitor the secondaries while your at it. There should be no difference between 220 and 231V. Picture? /Hugo

5th February 2006, 09:48 PM	#3
Vigier diyAudio Member Join Date: Nov 2002 Location: Netherlands	Thanx Hugo, I'll use a dimmer, buy one tomorrow (last 2 were broken, used them for a drill). Good Idea of you! If anyone has a transformer of this type and you already know what wire is what... let me know! Kind regards, Joris

6th February 2006, 07:02 AM	#4
Netlist diyAudio Moderator Join Date: Jan 2003	Joris, Don't use a dimmer. Try to find a variac, they can be found for very cheap and your bench will thank you. /Hugo

10th February 2006, 03:54 PM	#6
Vigier diyAudio Member Join Date: Nov 2002 Location: Netherlands	Hi Loek, pffew... why didn't I think of that before! Thanks! I'll call them tomorrow Grtz, Joris

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