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Old 27th November 2013, 10:39 AM   #1
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Default Super V/i converted (LL1684 )

Super V/I converted For DAC

OUTPUT STAGE WITH LL1684 LUNDAL TRANSFORMER

After many listening tests with my friends I consider this configuration as the best.

The LL1684 with the amorphous core is the best choice as output transformer.
This is the circuit diagram V / I LL1684: Super V/I
Attached Images
File Type: jpg Suppler-V-I-LL1684-for-DAC.jpg (518.6 KB, 2077 views)
File Type: jpg ll1684,2.jpg (302.6 KB, 1896 views)
File Type: jpg LL1684-OUT-ES9018-pcb.jpg (278.9 KB, 1743 views)
File Type: jpg ll1684,3.jpg (321.2 KB, 1672 views)
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update 06/14/2013 :http://www.audiodesignguide.com/DAC32/index2.html
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Old 27th November 2013, 10:52 AM   #2
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This Supper V/I for DAC module have these features:
Component parts are purchased from the following websites:
1. Parts ConneXion - The authority on hi-fi DIY parts and components
2. 2. K & K Audio - Lundahl Transformers, audio DIY kits and more!
VISHAY-RODERSTEIN MKP-1837
Vishay R. Film Caps
ClarityCap ESA Series Film Capacitor
ClarityCap ESA Series Film Capacitor
DELUXE RCA (PHONO) PANEL SOCKET Solder, red
DELUXE RCA (PHONO) PANEL SOCKET Solder, red
NEUTRIK XLR NC3MAV
Search : NC3MAV+
This options are available and the price
Please see the image

Attached Images
File Type: jpg The-price-Suppler-V-I-LL1684-for-DAC.jpg (538.0 KB, 1694 views)
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Group buy DAC-END R (ES9018) full assembled board
update 06/14/2013 :http://www.audiodesignguide.com/DAC32/index2.html

Last edited by quanghao; 27th November 2013 at 10:55 AM.
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Old 27th November 2013, 11:11 AM   #3
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Default Please write your nick in the list of registered LL1684 PCB

Interest list for LL1684 PCB SET (2 channels):

1. NicMac, 1 set (possibly also the transformers)
2. palmito, 1 set
3. Misterwolf, 1 set
4. rredline, 1 set
5. audiodesign, 1 set
......

In about 15 days to complete PCB!

Thanks for your interest!
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Group buy DAC-END R (ES9018) full assembled board
update 06/14/2013 :http://www.audiodesignguide.com/DAC32/index2.html
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Old 27th November 2013, 01:00 PM   #4
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1. NicMac, 1 set (possibly also the transformers)
2. palmito, 1 set
3. Misterwolf, 1 set
4. rredline, 1 set
5. audiodesign, 1 set
6. danielkol, 2 set
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Old 27th November 2013, 01:42 PM   #5
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Join Date: Nov 2003
Location: South China Sea
1. NicMac, 1 set (possibly also the transformers)
2. palmito, 1 set
3. Misterwolf, 1 set
4. rredline, 1 set
5. audiodesign, 1 set
6. danielkol, 2 set
7. Mas Penk, 1 Set (If provide the LL1684, I also want them too.)
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Old 27th November 2013, 02:11 PM   #6
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Join Date: Oct 2012
1. NicMac, 1 set (possibly also the transformers)
2. palmito, 1 set
3. Misterwolf, 1 set
4. rredline, 1 set
5. audiodesign, 1 set
6. danielkol, 2 set
7. Mas Penk, 1 Set (If provide the LL1684, I also want them too.)
8. flowerpot, 1 set
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Old 27th November 2013, 02:13 PM   #7
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Join Date: Dec 2009
Location: Ruten 63 1 th 2700 Brønshøj
Default LL 1684 projekt.

Quote:
Originally Posted by quanghao View Post
Interest list for LL1684 PCB SET (2 channels):

1. NicMac, 1 set (possibly also the transformers)
2. palmito, 1 set
3. Misterwolf, 1 set
4. rredline, 1 set
5. audiodesign, 1 set
6. Blackberry. 1 set with transformers
......

In about 15 days to complete PCB!

Thanks for your interest!
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Old 27th November 2013, 02:14 PM   #8
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Join Date: Dec 2008
Location: Italy
Hi Quanghao,
is it right? see pos.3

1. NicMac, 1 set (possibly also the transformers)
2. palmito, 1 set
3. Misterwolf, 1 set = 1(25$)+2(2$)+4(2$)+6(7$)+shipping(10$) = 46$
4. rredline, 1 set
5. audiodesign, 1 set
6. danielkol, 2 set
7. Mas Penk, 1 Set (If provide the LL1684, I also want them too.)
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Old 27th November 2013, 03:08 PM   #9
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Join Date: Dec 2009
Location: Ruten 63 1 th 2700 Brønshøj
Quote:
Originally Posted by misterwolf View Post
Hi Quanghao,
is it right? see pos.3

1. NicMac, 1 set (possibly also the transformers)
2. palmito, 1 set
3. Misterwolf, 1 set = 1(25$)+2(2$)+4(2$)+6(7$)+shipping(10$) = 46$
4. rredline, 1 set
5. audiodesign, 1 set
6. danielkol, 2 set
7. Mas Penk, 1 Set (If provide the LL1684, I also want them too.)
8.Blackberry 1 set with transformers no oscon but clarity caps.
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Old 27th November 2013, 03:16 PM   #10
diyAudio Member
 
Join Date: Dec 2009
Location: Ruten 63 1 th 2700 Brønshøj
1. NicMac, 1 set (possibly also the transformers)
2. palmito, 1 set
3. Misterwolf, 1 set = 1(25$)+2(2$)+4(2$)+6(7$)+shipping(10$) = 46$
4. rredline, 1 set
5. audiodesign, 1 set
6. danielkol, 2 set
7. Mas Penk, 1 Set (If provide the LL1684, I also want them too.)
8. Blackberry 1 set , clarity caps and also transformers

Last edited by blackberry; 27th November 2013 at 03:22 PM.
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