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The long term solution is to have the part clear hard anodized. It may cost a few dollars but you will only have to do it once and as long as you do not scratch the coating it will remain shinny.

Tobes, If you are not a woodworker and don't want to build a new set of boxes you need to determine the internal volume of the box. You know the outside dimensions so you can just see what the thickness is and calculate the internal volume. I am sure there a plenty of 6 1/2" speakers you could...

That is not going to happen for a simple cable function. You would have to include a network with the cable to create a filter, a cable alone can not do that to the degree you are asking even with some weird capacitance in the insulation or high impedance in the cable.

Spuds, This being the preamp section why did you say you need lots of them? Are you speaking of a mufti-channel setup? And are you following this section with a tube amplifier or are you satisfied with the early stage having a vacuum tube section and giving those harmonics?  :teach:

Spuds, The reason for the vacuum tube implementation is because of the second order harmonics over a solid state devices third order harmonics, or is there another reason to do the circuit  the way that it is done. Just asking, not leaning either way.  :thinking:

We've got White Lightning here for those that dare. 180 proof I think, wouldn't try it myself. And Last BMW I had was falling apart, trim and lights and things just falling off the damned thing.  Pissed me off to say the least for a new car. Perhaps it was assembled in America.

Atjan, I will have to look into it as I know they moved the company. I will see what I can find out.

I wont name names but I know one of the capacitor manufacturers here in the USA, made some of the most expensive caps for a few other manufacturers to put their name on. Exactly the same as their standard polypropylene caps with stranded wire leads and fancy wrappers. Gave me bags of them for...

Geco, Why not just use a stepped attenuator, wouldn't a series of resistors just be easier than all those relays and resistor networks?

A few resistors and you'd have a nice CRC power supply....  :Whoohoo: :ROFLMAO: :ROFLMAO: :ROFLMAO:

I was just thinking don't these cabinets have rear firing ports? If so they are more than likely loading real nice with that back wall. Moving them out could really change the balance in the bass region and cover much of the mid output. Move them or cover the ports and see what they sound like. ...

:stop: Give the spiders some time to soften up. Put on some loud  test tones and leave the house for a few hours and then listen again. The sound will change some, maybe not enough but it will change.  :walled:

Ampdog, Thanks for the explanation. Sometimes the slang used is a little hard to follow though most of the time I figure out what you mean. Like listening to the Aussie's speaking English  to us in the U.S. I hail from California and I know how people can obsess over their wines, we have that...

Ampdog, Here in the States Spuds are potato's so makes me guess is you are talking Vodka? Enlighten us who are not from down under. Steven

Geco, I have a Sony ES cd transport that I probably wouldn't touch but I also have a Denon that sounds pretty atrocious. So I would be willing to modify that transport. How hard is it to change the D/A system in these transports, what else needs to change. I assume that the laser and transport...

Hennie, I can not give you a flux density at this very moment and I don't want to say much about my magnetic circuit design as from my attempts at researching the patent office my techniques has not been patented or published by anyone else. I will say that it is very hard to get high flux...

Hennie, some of what I am doing is either going to have to be protected by patent or just keep as proprietary information. My cone material I am very up in the air about as it has not been used before in the combination I have developed. The spider designs I have seen other things that are...

Ardino Boards will take the mess out of the proto boards, just saying...... I feel bad for you, I would be rather pissed if I smoked all my hard work and money to boot... :headbanger:

Hennie, I just wanted to get your thinking on the distortion reduction as 20db reduction is nothing to sneeze at. I am already using many of the things you are talking about and a few other things. One of the next areas I plan on pursuing is to linearize the suspension. I'm not so sure that a...

The simple answer to your question is yes. And you really don't want to cover 100% of the walls anyway. So this would work, but what is your purpose is the real question. To attenuate the upper frequency response or for box tuning. Typically you would have a loose stuffing rather than materials...