Quantcast

$2.65 DIY Hydra

MartinLogan Owners (MLO)

Help Support MartinLogan Owners (MLO):

jjqiv

Well-known member
Joined
Jan 1, 2005
Messages
355
Reaction score
0
Location
Los Gatos, CA
http://www.10audio.com/diy_power_conditioner.htm

I made a crude DIY Hydra with one Hubble outlet so far. Great tweak!

Hooked my Six Pac's up to it. More inner detail, blacker backgrounds. Maybe lost a tiny bit of macro dynamics. I bought 8 of the capacitors from Mouser Electronics. I want to make a big power strip with 5 or 6 outlets with a wood frame and a box of Hubble outlets I have sitting around. I will probably buy some VH cable for the project.
 

Cherian

Well-known member
Joined
Aug 1, 2005
Messages
1,214
Reaction score
0
You might want to build a snubber circuit with those capacitors. All filters will amplify a set frequency depending on the L and C of the filter network. Adding a snubber resister will help reduce this.
 

jjqiv

Well-known member
Joined
Jan 1, 2005
Messages
355
Reaction score
0
Location
Los Gatos, CA
Cherian said:
You might want to build a snubber circuit with those capacitors. All filters will amplify a set frequency depending on the L and C of the filter network. Adding a snubber resister will help reduce this.
I might if I knew where to start. I am not not an EE. As it is, DIY Hydra has already exceeded my expectations.

By the way, you wouldn't happen to know how to make a device to remove DC fom an AC line (i.e., a DIY humbuster)?
 

Munster

Well-known member
Joined
Jan 17, 2005
Messages
205
Reaction score
0
Location
East Meadow, Long Island
Blacker backgrounds? Ok...I need a link to an audiophile dictionary or something. Alot of these terms people use to describe sound just don't register with me. Anyone got a link?
Oh and I was able to google out the meaning of Gusset :)
 

Cherian

Well-known member
Joined
Aug 1, 2005
Messages
1,214
Reaction score
0
The fastest way to get rid of DC on a AC line is put the power through an AC 60Hz transformer. A transformer will not pass DC.

Cherian
 

lexor

Well-known member
Joined
Jan 1, 2005
Messages
59
Reaction score
0
dc/ac

can you give an example on how to build one of these transformers to eliminate dc on an ac line?
 

Cherian

Well-known member
Joined
Aug 1, 2005
Messages
1,214
Reaction score
0
There is no way you can build one of these transformers. I would look at a company called Equitech. They make a center tapped isolation transformer based power conditioner that will get rid of common mode humm. See the link below.

http://www.equitech.com/

Cherian
 

jjqiv

Well-known member
Joined
Jan 1, 2005
Messages
355
Reaction score
0
Location
Los Gatos, CA
Munster said:
Blacker backgrounds? Ok...I need a link to an audiophile dictionary or something. Alot of these terms people use to describe sound just don't register with me. Anyone got a link?
Oh and I was able to google out the meaning of Gusset :)
Blacker background = quieter background (i.e., no haze of white noise)
 

jjqiv

Well-known member
Joined
Jan 1, 2005
Messages
355
Reaction score
0
Location
Los Gatos, CA
Cherian said:
There is no way you can build one of these transformers. I would look at a company called Equitech. They make a center tapped isolation transformer based power conditioner that will get rid of common mode humm. See the link below.

http://www.equitech.com/

Cherian
PS Audio use to make the Humbuster, a standalone DC filter. They now make a UPC 200HB that includes DC removal functionality to their UPC 200 passive AC noise filter.
 

nirvanaseeker

Member
Joined
Jan 27, 2006
Messages
13
Reaction score
0
If you had some more info, maybe making a RLC tank circuit to resonate at 60hz might be an approach. WHOOPS!!!! Did I say resonate???
 

jjqiv

Well-known member
Joined
Jan 1, 2005
Messages
355
Reaction score
0
Location
Los Gatos, CA
nirvanaseeker said:
If you had some more info, maybe making a RLC tank circuit to resonate at 60hz might be an approach. WHOOPS!!!! Did I say resonate???
Why, do you believe there is a problem with the Shunyata Hydra? If you search Audio Asslum, it is considerred to the one of the best power conditioners. The Hydra does not use a RLC tank circuit. Though, I suppose it is possible to improve upon the circuit. Maybe Shunyata is holding off on such an improvement to make all their dedicated customers hit the upgrade path.

Follow the link: http://www.10audio.com/diy_power_conditioner.htm
 

lexor

Well-known member
Joined
Jan 1, 2005
Messages
59
Reaction score
0
ac/dc

Cherian: I did not mean to make a transformer but to make a setup using a transformer to eliminate dc in the ac line. thanks
 

Cherian

Well-known member
Joined
Aug 1, 2005
Messages
1,214
Reaction score
0
If you can get and Isolated center tapped transformer with the VA rating you are looking for, then you can make a balanced power conditioner easy.
 

DTB300

Well-known member
Joined
Jan 1, 2005
Messages
2,146
Reaction score
0
Location
Fallout 3 Land
There is a discussion on the "Felicia" DIY Balanced Power Unit over at Audio Circles if interested in building one one. Link to the unit shows step by step of soeone building one and their lessons learned.

Dan
 

jjqiv

Well-known member
Joined
Jan 1, 2005
Messages
355
Reaction score
0
Location
Los Gatos, CA
Neither one of those are able to handle the load of an amplifier. One big reason people want to remove DC from the line is that they have a transformer that is humming. You can pick-up a used PS Audio humbuster for about $175. This will handle the load of an amp.
 

jjqiv

Well-known member
Joined
Jan 1, 2005
Messages
355
Reaction score
0
Location
Los Gatos, CA
Last weekend I wired together four outlets with one cap per outlet. I now have my whole system running off one wall outlet. I have seen this recommended in a few places. This was a very substantial upgrade. Now I need to rewire it with some VH Audio Bulk AC Power Wire.

Additionally, I want to make some power cords with custom lengths of the VH wire. http://vhaudio.com/wire.html

I tried it out on video too. Very nice improvement as well.
 
Top