F5 Turbo Builders Thread - Page 107

AudioSan · 15th January 2013, 08:14 AM

i'm also building chassis my self. and for the turbo v3's. i'm looking at $500 in material. NOT inkl heatsinks. and NOT inkl CNC of logo. and after all that, i need to lay out a finnish.

henryve · 15th January 2013, 08:29 AM

That case that I made for the KSA50 worked out to about $500 in material, inclusive of the heatsinks. But then I must say Aluminium is cheap in SA compared to Europe. But I still need to cost in the CNC work for my front plate.

I will probably order my trafo from Amplimo or Toroidy and that is where you save again, since I have to factor in shipment. I am dissappointed with the quality of the 2 500VA trafos that a local company wound for me as used in the KSA50 clone.

For the F5TV3 monoblocks I am looking at maybe a 1KVA trafo for each monoblock, and that will cost me an arm an a leg from either of those 2 suppliers.

bkdog · 15th January 2013, 09:57 AM

Quote:

Originally Posted by AudioSan

i need to lay out a finnish.

What have you guys got against the Finns? I know a few and they are ok, they like reindeer etc etc...

[sorry, could not resist...

]

AudioSan · 15th January 2013, 01:09 PM

Quote:

Originally Posted by bkdog

What have you guys got against the Finns? I know a few and they are ok, they like reindeer etc etc...

[sorry, could not resist...

]

dazed2 · 15th January 2013, 01:31 PM

Yes you can never underestimate the cost and time involved in building the case.
The reason my original F5 took so long was that I built my own case. Borrowing time off a friends mini-cnc, tapping holes etc. took over 2 months!

This time, I plan to have Antek / Par Metal build it for me

They even have the heatsinks to boot!

As for trafo, given the size of 1kVA anywhere of about $130 - $200US isn't bad.
No one said a F5T V3 is cheap

Renron · 15th January 2013, 04:59 PM

Check out Antek Transformers. 1kv @35V x4 is $100 USD + shipping.
Antek - AN-10435
I've used one of their TX in my F5 for years and it NEVER gets hot or buzzes.
No affiliation to Antek.
Ron

PKI · 15th January 2013, 07:44 PM

Any news on the store F5T pcb's?

Renron · 15th January 2013, 09:56 PM

Buzz,
Any news on ToeCutters?

buzzforb · 15th January 2013, 10:01 PM

I know beta testers have them and from what I understand, all is OK. THey may be working out specifics and BOM. The store has them, just havent released them officially.

Marra · 16th January 2013, 02:01 PM

Quote:

Originally Posted by buzzforb

Power up FE first and set drop across r5,r6 to 3.5V using P1 and P2. THis will allow you to figure out which way to turn the posts in order to adjust them. You will be starting at similar Vgs and will have solid footing for hooking up mosfets and firing them up.

After doing the above do you set the trimmers back to zero?

15th January 2013, 08:14 AM	#1061
AudioSan diyAudio Member Join Date: Feb 2009 Location: Trondheim	i'm also building chassis my self. and for the turbo v3's. i'm looking at $500 in material. NOT inkl heatsinks. and NOT inkl CNC of logo. and after all that, i need to lay out a finnish. __________________ aleph P1.7 pre. F5 power amp. CDpro2(need DAC). Vivaldi8 speakers

15th January 2013, 04:59 PM	#1066
Renron diyAudio Member Join Date: Jan 2007 Location: Sacramento	Check out Antek Transformers. 1kv @35V x4 is $100 USD + shipping. Antek - AN-10435 I've used one of their TX in my F5 for years and it NEVER gets hot or buzzes. No affiliation to Antek. Ron __________________ "If it doesn't work properly, hope it catches on fire"- Nelson Pass @ BA3 "I fired up the prototype. Literally." The Prophet Pass.

15th January 2013, 09:56 PM	#1068
Renron diyAudio Member Join Date: Jan 2007 Location: Sacramento	Buzz, Any news on ToeCutters? __________________ "If it doesn't work properly, hope it catches on fire"- Nelson Pass @ BA3 "I fired up the prototype. Literally." The Prophet Pass.

15th January 2013, 10:01 PM	#1069
buzzforb diyAudio Member Join Date: Oct 2010 Location: Burlington, NC	I know beta testers have them and from what I understand, all is OK. THey may be working out specifics and BOM. The store has them, just havent released them officially. __________________ \|F6 Kit/Trasnformer GB Sign up sheet Closed,\|Primrose GB Sign Up sheetClick Here ...Shape the sound , Man!

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15th January 2013, 08:29 AM	#1062
henryve diyAudio Member Join Date: Jun 2008 Location: Strand	That case that I made for the KSA50 worked out to about $500 in material, inclusive of the heatsinks. But then I must say Aluminium is cheap in SA compared to Europe. But I still need to cost in the CNC work for my front plate. I will probably order my trafo from Amplimo or Toroidy and that is where you save again, since I have to factor in shipment. I am dissappointed with the quality of the 2 500VA trafos that a local company wound for me as used in the KSA50 clone. For the F5TV3 monoblocks I am looking at maybe a 1KVA trafo for each monoblock, and that will cost me an arm an a leg from either of those 2 suppliers.

15th January 2013, 01:31 PM	#1065
dazed2 diyAudio Member Join Date: Jun 2010 Location: Toronto	Yes you can never underestimate the cost and time involved in building the case. The reason my original F5 took so long was that I built my own case. Borrowing time off a friends mini-cnc, tapping holes etc. took over 2 months! This time, I plan to have Antek / Par Metal build it for me They even have the heatsinks to boot! As for trafo, given the size of 1kVA anywhere of about $130 - $200US isn't bad. No one said a F5T V3 is cheap

15th January 2013, 07:44 PM	#1067
PKI diyAudio Member Join Date: Aug 2011	Any news on the store F5T pcb's?

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