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-   -   TO-3 SYMASYM (http://www.diyaudio.com/forums/group-buys/187592-3-symasym.html)

Rudi_Ratlos 4th April 2013 02:41 PM

Rudi, my current project is: I have sent a dozen of my "Lightspeed Attenuator" - PCBs along with the needed components to German DIYers last week, and I am now waiting for their feedback.

This PCB does not only include George Stantscheff's "Lightspeed Attenuator", it includes source selection, mute and standby function,
temperature sensors, volume display, ..., everything being displayed on a 16x2 chars LCD-display and - of course: every function can be
controlled/accessed by a remote infrared control unit.
The heart of the PCB is a PIC µProcessor.

Give me your EMail address (per PM) please - and I will tell you more.

Best regards - Rudi_Ratlos

P.S. I have mixed up the current dates.
I will close this round-of-groupbuy the day after tomorrow, on Saturday 7th.

watchtmouse 4th April 2013 08:58 PM

I did a paypal money transfer for 2 x TO3_SYMASYM and 2 x PSU prints, I am interested in 2 x LSProtection

dexter166 7th April 2013 11:01 AM

Hi Rudi, is possible add me for 2 T03 boards and 2 PSU boards?
Thanks

Gianfranco

Rudi_Ratlos 7th April 2013 01:32 PM

Gianfranco, I have added you to the interested-party list.
Please transfer 53.45€ to my PAYPAL-ID: RRozek@t-online.de

Best regards - Rudi_Ratlos

Rudi_Ratlos 7th April 2013 02:11 PM

2 Attachment(s)
This is the final order list.
I will order the PCBs tonight.

Best regards - Rudi_Ratlos

dexter166 7th April 2013 02:24 PM

Quote:

Originally Posted by Rudi_Ratlos (http://www.diyaudio.com/forums/group-buys/187592-3-symasym-post3444473.html#post3444473)
Gianfranco, I have added you to the interested-party list.
Please transfer 53.45€ to my PAYPAL-ID: RRozek@t-online.de

Best regards - Rudi_Ratlos

Hi Rudi, payment done.

Transaction ID # 7N226092J62623057

Regards.

Gianfranco

rephil 7th April 2013 04:51 PM

Quote:

Originally Posted by Rudi_Ratlos (http://www.diyaudio.com/forums/group-buys/187592-3-symasym-post3444473.html#post3444473)
Gianfranco, I have added you to the interested-party list.
Please transfer 53.45€ to my PAYPAL-ID: RRozek@t-online.de

Best regards - Rudi_Ratlos

:) Payment done Rudi, and thank you for having added my name to the list :D.

Best regards

rephil

Rudi_Ratlos 7th April 2013 05:09 PM

This group-buy is closed now, and I cannot accept any new order.
Best regards - Rudi_Ratlos

Rudi_Ratlos 10th April 2013 08:53 AM

Gentlemen, I have been told that the TO3-SYMASYM - PCBs will be etched on April, 23rd. I will then have them on April 27th
and will send them to you ASAP.

This is where I stored the BoM of one SYMASYM - PCB:
Warenkorb übernehmen - Elektronik und Technik bei reichelt elektronik günstig bestellen
You can choose the English language as well.

The BoM does not include:
- 4 emitter resistors 0R22, 5W, grid-size: about 9.5mm
- the TO3 - transistors MJ21195G / MJ21196G (2 pairs of each are needed per PCB)
- the DC blocking capacitor C1, recommended value: 10µF, max. grid-size: 27.5mm
- the input pair of transistors (f.e. 2SK170, MPSA18, 2N5551, ...)

Best regards - Rudi_Ratlos

cjkpkg 12th April 2013 12:10 AM

I just threw in a pair of mkt1822 4.7uF stocked at mouser...Awesome!

Should have just went with those from the get go for the input caps...seems that the bass is lower and maybe smoother than the mks10uF that were in there before.

Definitely recommend the mkt1822's.


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