Our "Second Dose" of "Fine Tuning" - A TOTAL Dynaco FM-3 reconstruction!

arindamcc · « **Reply #60 on:** 26 Feb 2019, 01:46 pm »

Hi guzeev,

Do you have PCB set for sale ?

guzeev · « **Reply #61 on:** 27 Feb 2019, 09:01 pm »

Will be a month later on ebay. My ebay User ID guzeevs

Retrovert · « **Reply #62 on:** 23 Mar 2019, 06:07 pm »

Having acquired an FM-3, plus a spare EMM801 magic-eye tube, I'm interested in a set of boards.

Rebuilding any formaldehyde-phenolic board is difficult, even with a temperature controlled desoldering station.

Do let us know when these are available.

guzeev · « **Reply #63 on:** 3 Apr 2019, 09:11 pm »

Hi, I ordered a batch of 10 pieces, waiting for delivery.

arindamcc · « **Reply #64 on:** 15 May 2019, 05:03 pm »

Hi guzeev,

Any news about PCB set ?

arindamcc · « **Reply #65 on:** 19 May 2019, 03:11 pm »

Could anyone perhaps share the electrical characteristic of the sections of the PA-509 transformer used in the FM-3?

arindamcc · « **Reply #66 on:** 2 Jun 2019, 05:38 am »

Quote from: guzeev on 21 Jul 2017, 11:22 pm

Yes, I saw this resource, thank you.
I want to say that the use of UHF blocks on one board is not desirable.
It is also not advisable to use two-sided mounting in devices with a power supply of more than 250 volts.
I made gerber files of PC-7, PC-8, PC-12 PCBs, leaving the correct installation but improving the screening between the conductors. After checking, I'll post these files here.

Hi,
Can you please upload the gerber file of PC-7 using GAA10006 trimmer.

arindamcc · « **Reply #67 on:** 4 Jun 2019, 06:02 pm »

Hi guzeev,

I want to make the PCB set of FM3 but there is an error in top layer of PC12 design top layer PAD incomplete (in Yellow color) and no solder musk on pin of T71,T72,T73 can you please check this ?

Retrovert · « **Reply #68 on:** 14 Jun 2019, 02:47 am »

Quote from: guzeev on 3 Apr 2019, 09:11 pm

Hi, I ordered a batch of 10 pieces, waiting for delivery.

I checked eBay but never saw these listed for sale.

Are these available?

arindamcc · « **Reply #69 on:** 3 Jul 2019, 05:18 pm »

Quote from: Retrovert on 14 Jun 2019, 02:47 am

I checked eBay but never saw these listed for sale.

Are these available?

3 set of PCB available for sale

arindamcc · « **Reply #70 on:** 5 Jul 2019, 06:46 am »

New PCB arrived....

aguaazul · « **Reply #71 on:** 19 Dec 2020, 06:10 pm »

Repost from:

Re: Dynaco FM-3 rebuild - "A Double Dose of Fine Tuning!" https://www.audiocircle.com/index.php?topic=62800.msg1836509#msg1836509

A member over at the The Dynaco Tube Audio Forum named 'Stewdan' set me up with the web files for the threads up to reply 44 of the original 'Double Dose of Fine Tuning!' thread & up to reply 32 on 'Our "Second Dose" of "Fine Tuning" - A TOTAL Dynaco FM-3 reconstruction.

I put them in PDF format on a Google Drive. Here are the links:

Dynaco FM-3 rebuild - _A Double Dose of Fine Tuning!_Full Thread through Post 44
https://drive.google.com/file/d/15B4E107St_x4lreS8CbOvAXRWc03PuEd/view?usp=sharing

Our _Second Dose_ of _Fine Tuning_ - A TOTAL Dynaco FM-3 reconstruction!
https://drive.google.com/file/d/1j6kd8F3-mOOYvZcI69YVaoRzha4uJ-id/view?usp=sharing

Hope this helps!

Cheers,

Aguaazul

alan-bc · « **Reply #72 on:** 17 Jan 2023, 02:34 am »

Coming to the party very late, but here goes.

I have a pair of working FM3s. I would like to rebuild one completely, starting with new PCBs.

I have several options for PCBs, the first being to buy some from someone. Sadly, I can't find anyone selling them.

Next option is to have some made. This of course requires some Gerber files. Now, I could lay out some boards myself, but that's a lot of work and lots of room for error.

I see that someone DID lay out some boards and even made the files available here. That's probably a better option than doing it myself. More sadness though: those links are now dead.

So, can anyone help me with a source for boards or links to those old gerbers or ...

Thanks in advance.

Alan

FullRangeMan · « **Reply #73 on:** 17 Jan 2023, 05:50 pm »

Maybe you could google Dynaco FM3 or Dynaco FM 3 price.

alan-bc · « **Reply #74 on:** 17 Jan 2023, 07:41 pm »

Quote from: FullRangeMan on 17 Jan 2023, 05:50 pm

Maybe you could google Dynaco FM3 or Dynaco FM 3 price.

Ahh, why? Neither would get me a link to FM3 PCBs, which is what I'm looking for.

FullRangeMan · « **Reply #75 on:** 17 Jan 2023, 09:45 pm »

Quote from: alan-bc on 17 Jan 2023, 07:41 pm

Ahh, why? Neither would get me a link to FM3 PCBs, which is what I'm looking for.

Feel free tô google FM3 PCB or anything else.

rlee8394 · « **Reply #76 on:** 18 Jan 2023, 01:43 am »

Try here:

https://dynacodesigns.wordpress.com/fm-3-kits-and-parts/

I used the single board and other parts from them. The single board looks out of stock. May want to contact them for an ETA.

Ron

Markvinyl · « **Reply #77 on:** 18 Jan 2023, 05:36 am »

Quote from: aguaazul on 19 Dec 2020, 06:10 pm

Repost from:

Re: Dynaco FM-3 rebuild - "A Double Dose of Fine Tuning!" https://www.audiocircle.com/index.php?topic=62800.msg1836509#msg1836509

A member over at the The Dynaco Tube Audio Forum named 'Stewdan' set me up with the web files for the threads up to reply 44 of the original 'Double Dose of Fine Tuning!' thread & up to reply 32 on 'Our "Second Dose" of "Fine Tuning" - A TOTAL Dynaco FM-3 reconstruction.

I put them in PDF format on a Google Drive. Here are the links:

Dynaco FM-3 rebuild - _A Double Dose of Fine Tuning!_Full Thread through Post 44
https://drive.google.com/file/d/15B4E107St_x4lreS8CbOvAXRWc03PuEd/view?usp=sharing

Our _Second Dose_ of _Fine Tuning_ - A TOTAL Dynaco FM-3 reconstruction!
https://drive.google.com/file/d/1j6kd8F3-mOOYvZcI69YVaoRzha4uJ-id/view?usp=sharing

Hope this helps!

Cheers,

Aguaazul

Thanks for this....just bought an FM3....and the pics will be very helpful

arindamcc · « **Reply #78 on:** 18 Feb 2023, 01:36 pm »

Quote from: alan-bc on 17 Jan 2023, 02:34 am

Coming to the party very late, but here goes.

I have a pair of working FM3s. I would like to rebuild one completely, starting with new PCBs.

I have several options for PCBs, the first being to buy some from someone. Sadly, I can't find anyone selling them.

Next option is to have some made. This of course requires some Gerber files. Now, I could lay out some boards myself, but that's a lot of work and lots of room for error.

I see that someone DID lay out some boards and even made the files available here. That's probably a better option than doing it myself. More sadness though: those links are now dead.

So, can anyone help me with a source for boards or links to those old gerbers or ...

Thanks in advance.

Alan

I have 3 set of PCB and also have the Gerber file if you need please let me know.

gtalmo · « **Reply #79 on:** 4 Mar 2023, 09:19 pm »

I am interested in purchasing the FM3 pc boards or the gerber files that arindamcc has. I’m a new member who doesn’t have my 3x posts so I can’t direct message. : )

I’m rebuilding an FM3 to go along with the Fisher X-202-B I listen to every day. My FM3 works, but the PC-8MX is warped and I don’t think it will survive the rebuild. I’m looking forward to finally having a good valve-tuner.

Thank you!

- greg