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New external PT Power speed controller/PSU

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New external PT Power speed controller/PSU

Postby tim_bissell » 08 Jul 2012 17:47

Hi,

I have been busy over the past few weeks putting new electrolytic capacitors on my PT1 speed controller boards. For this PTMA PSU I went for front panel mounting of a power switch and the rotary speed control switch, with some LEDs to show the speed.
A very helpful company http://www.cutlasercut.co.uk cut and etched the front panel from black acrylic, and I think it looks very smart...

-- Tim

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Re: New external PT Power speed controller/PSU

Postby rolleye » 09 Jul 2012 09:28

WANT ONE.......NOW :D :D :D :D =D> =D> =D>

that looks nice Tim, how do you get these guys to do a one off....cheaply??
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Re: New external PT Power speed controller/PSU

Postby tim_bissell » 10 Jul 2012 22:46

Hmmm, well the front panels were about a tenner each for five; not bad if you consider that the power switch cost the same, but quality costs; the Nuvotem toroidal transformer was about £20 and the case was near £30 - the entire unit cost around £110 to put together; a smaller, simpler unit with no PSU or power switch would be around £60...

-- Tim
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Re: New external PT Power speed controller/PSU

Postby dkyyu » 11 Jul 2012 07:44

Hi, dear tim,

I have a Pink Triangle PT1 and can you advise me:
1)I need a Rega mount armboard, either used or new is fine to me. I wrote funk firm but no response yet. Can you help point me to sourcing the armboard?
2) I also need the thin wall hex spanner. Can you help.
3) My PT1 works well and I have soare belt. Now I wish to purchase some spare suspension springs as spare.
4) Your external power supply looks gorgeous. Is it a DC 9V power supply designed to drive PT1? Is it your DIY and can you tell me how to build it or you have spare to sell?

I live in Hong Kong in SE Asia. If any offer, I can send payment to UK using paypal service.

I also open a forum under Pink Triangle.

Regards
Dennis
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Re: New external PT Power speed controller/PSU

Postby Zebbo » 11 Jul 2012 15:26

Hello Dennis
How are you doing? It's Pete here (PeteNC30) who was selling the Rosewood Long Body. Didn't know you were a fellow Pink owner. Sorry, the original buyer came up with the money in the end. Tim made me up an arm board not so long ago and makes a lovely job of it. You will have to add your own ballast weight to it though but that is easy enough, I just cut some strips of lead flashing and screwed them to the underside. Hopefully he can sort you out.
Pink Triangle Anniversary(Batt)/Audiomods Series 5/ZYX R100 Fuji - NVA Phono 2 - Music First Copper - NVA A80s - Martin Logan Scenarios.
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Re: New external PT Power speed controller/PSU

Postby SimonLogan » 11 Jul 2012 20:20

That looks lovely Tim, good job!

Simon
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Re: New external PT Power speed controller/PSU

Postby tim_bissell » 11 Jul 2012 21:41

Hi all,

Thanks for the compliments!

Dennis, I can send you a thin wall spanner - it you want to make one yourself, it is a section of 5/16" brass tubing (a standard size for modelling supplies, e.g. radio controlled models) one end of which has been squeezed into a hex shape around a 1/4" AF (across flats) allen key.

I can also make a Rega arm board for you; it will be a carbon/balsa/carbon sandwich like the modern Funk Firm ones, but cut square (the Funk ones are squared with rounded corners. I'll send you a PM.

The PSU/speed controller is a DIY effort; the power switch is from an eB*y seller in Hong Kong, the aluminium heatsink case, rotary switch, aluminium knob and toroidal transformer are all from rs-online, and the other fittings (IEC socket at rear, internal PCB, power supply regulator kit etc.) are from Maplin - a UK electronics retailer.

I may well publish a description of how to build it online - I need to sort out some web space and get my PT DIY instructions back online - and I could part-build a kit, but it needs the original speed controller and motor from out of the PT, and some DIY work on the PT to get it working again - I drill a hole in the back of the plinth and mount a DIN socket.

Arthur at the Funk Firm may well be able to supply some suspension springs; I'm sure he will reply eventually!

cheers,

Tim
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Re: New external PT Power speed controller/PSU

Postby abril » 12 Jul 2012 15:14

Arthur at the Funk Firm may well be able to supply some suspension springs


Couldn't before hence my bulk buy from Flexo a couple of years ago.
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