Holger

Drip V72 build (pics)
« on: May 03, 2012, 03:57:41 PM »
Here is my version. I had this big knob and wanted to build something around it...














Hairball Audio

Re: Drip V72 build (pics)
« Reply #1 on: May 03, 2012, 04:41:50 PM »
Nice!  8)

I love that your build started with the knob!  It's like that advert where the couple builds a house around their designer faucet.
Hairball Audio, LLC
DIY Parts and Kits
http://hairballaudio.com/shop

Top secret stuff and upcoming releases:
http://facebook.com/hairballaudio
http://twitter.com/HairballAudio/

gemini86

Re: Drip V72 build (pics)
« Reply #2 on: May 03, 2012, 06:33:28 PM »
NICE! What choke are you using?

I've been messing with a v72 layout myself... :)
- Rodney

"...you better call Kenny Loggins, 'cause you're in the danger zone."

Holger

Re: Drip V72 build (pics)
« Reply #3 on: May 04, 2012, 11:54:27 AM »
I'm using the recommended Sowter choke here, forgot the number....

Re: Drip V72 build (pics)
« Reply #4 on: May 06, 2012, 03:47:30 PM »
Great!
Tell us, as is their sound?

Holger

Re: Drip V72 build (pics)
« Reply #5 on: May 07, 2012, 01:48:46 AM »
delaymix, all I can say for now is that it passes audio  ;)
I had no time to test it in my studio.

braeden

Re: Drip V72 build (pics)
« Reply #6 on: May 07, 2012, 03:52:32 AM »
What font is that? It looks amazing and so does the front panel. Beautiful build!

Holger

Re: Drip V72 build (pics)
« Reply #7 on: May 07, 2012, 03:07:21 PM »
The font is 'DIN1451' in Front Panel Designer. Thanks for liking...

peters

Re: Drip V72 build (pics)
« Reply #8 on: July 02, 2012, 05:35:54 PM »
You might want to consider playing with the input transformer on this build.
See some of my pics and measurements at http://home.comcast.net/~ps8899/v72/

--Peter

Re: Drip V72 build (pics)
« Reply #9 on: July 05, 2012, 11:23:32 PM »
Nice. The only thing i'm skeptical about with V72 project is the input transformer...seems pretty vital and impossible to find.


dustbro

Re: Drip V72 build (pics)
« Reply #10 on: July 06, 2012, 04:04:46 PM »
Nice. The only thing i'm skeptical about with V72 project is the input transformer...seems pretty vital and impossible to find.

Sowter makes a replacement for the Telefunken type CTV72/1 transformer. Sounds pretty good to my ears.

Holger

Re: Drip V72 build (pics)
« Reply #11 on: July 07, 2012, 12:10:47 PM »
I used the Lundahl 1636 transformer suggested by Drip and did the PCB modification 'peters' has recommended. My frequency response:


dustbro

Re: Drip V72 build (pics)
« Reply #12 on: July 07, 2012, 06:15:23 PM »
right channel looks pretty solid

Holger

Re: Drip V72 build (pics)
« Reply #13 on: July 07, 2012, 06:58:24 PM »
right channel looks pretty solid
;)
Right channel is my audio interface in>out, left channel is the preamp. The frequency response is not bad for an old school tube mic pre, please note that this is measured at 192kHz SR. The MicPre has a -3dB point at ~25kHz.

Stagefright13

Re: Drip V72 build (pics)
« Reply #14 on: July 08, 2012, 06:09:32 PM »
Actually that is good. Only -1.5 at 20k. I typically roll of stuff that goes that high depending on what it is. :)

John
Amateur experimenter

Pliplo

Re: Drip V72 build (pics)
« Reply #15 on: September 17, 2012, 11:53:24 PM »
man, i want to do a couple so bad! Dripp doesnt have the pcbs listed... emailed about it, hope they made a run or i can get them somewhere

beautiful build!

letterbeacon

Re: Drip V72 build (pics)
« Reply #16 on: September 18, 2012, 06:37:10 PM »
Build it point to point! There's not much to it, and you'll learn a great deal...

dustbro

Re: Drip V72 build (pics)
« Reply #17 on: September 22, 2012, 01:47:08 PM »
Build it point to point! There's not much to it, and you'll learn a great deal...

I have a spare DRIP board if you're interested.
PM me

Zander

Re: Drip V72 build (pics)
« Reply #18 on: August 20, 2015, 08:17:45 AM »
Sorry to post in here.


Does somebody still have the documentation for the drip72 project? Can't find it elsewhere.


Zander

Michael Tibes

Re: Drip V72 build (pics)
« Reply #19 on: August 26, 2015, 01:57:21 PM »
Actually that is good. Only -1.5 at 20k. I typically roll of stuff that goes that high depending on what it is. :)

John

Well, the original goes higher... I wonder why? The Lundahl should probably be better than the 40 year old iron?

Michael


 

Related Topics

  Subject / Started by Replies Last post
drip V72 pcb

Started by dripelectronics « 1 2 ... 8 9 » The Lab

176 Replies
38836 Views
Last post September 26, 2009, 08:18:31 PM
by griffmeister
0 Replies
881 Views
Last post July 21, 2009, 05:18:29 PM
by Brolik
Drip V72 finished!

Started by JoleFIN « 1 2 » The Lab

24 Replies
7031 Views
Last post April 15, 2010, 08:48:57 PM
by JoleFIN
5 Replies
1828 Views
Last post May 23, 2011, 09:09:14 PM
by Govinda Doyle