### New Copper Caps and introductory pricing

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#### Danny Richie

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##### New Copper Caps and introductory pricing
« on: 9 Oct 2019, 03:49 pm »
The new Copper Caps are a pure Copper foil and wax paper film design. These are 100 volt rated caps.

I will be offering introductory discount prices of 25% off when two or more caps are ordered.

Here are the sizes, retail prices, and introductory discount price.

5.0uF retail \$275 each.
6.0uF retail \$315 each.
6.8uF retail \$320 each.
8.0uF retail \$325 each.
9.0uF retail \$345 each.
10uF retail \$350 each.
12uF retail \$360 each.
15uF retail \$475 each.
20uF retail \$576 each.

Call to order: 940-592-3400

Here are the Dimensions of the caps in inches:

Length    X    Diameter
5uF=       2.5”       X      1.625”
6uF=       2.5”       X      2.0”
6.8uF=    2.5”       X      2.0”
8uF=       2.5”       X      2.0”
9uF=       2.5”       X      2.25”
10uF=    4.95”      X      1.75”
12uF=    4.95”      X      1.82”
15uF=    4.95”      X      2.0”
20uF=    4.95”      X      2.5”

The leads AWG are 18AWG for the 5uF through the 9uF.

Leads on the 10uF through the 20uF are 16AWG.

All use solid Copper wire with 99.99% purity and Tinned leads.
« Last Edit: 23 Jun 2020, 03:41 am by Danny Richie »

#### Caper

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##### Re: New Copper Caps and introductory pricing
« Reply #1 on: 2 Dec 2019, 06:47 pm »
Hi How would such a large heavy cap do as a cap for a 1st order single cap tweeter filter? Is bypassing say 4uf large cap like this be beneficial ? If so what value , does super fast 0.01uf makes any sense as a bypass?

#### Danny Richie

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##### Re: New Copper Caps and introductory pricing
« Reply #2 on: 2 Dec 2019, 06:57 pm »
Hi How would such a large heavy cap do as a cap for a 1st order single cap tweeter filter? Is bypassing say 4uf large cap like this be beneficial ? If so what value , does super fast 0.01uf makes any sense as a bypass?

What order crossover they are used in is not a factor. And there still may be some benefit from a small by-pass cap.

#### Caper

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##### Re: New Copper Caps and introductory pricing
« Reply #3 on: 2 Dec 2019, 09:25 pm »
Thank you Danny.
I do use 3.9uf Mundorf Supreme + 0.33uf German Copper foil +0.01uf Mundorf Silver Oil all in parallel , as only part of a crossover for the tweeter .
Speakers did disapear and highs are super clean and airy but bit too recessed for my ultimate satisfaction.
Do you think having 3 caps in parallel is ok or should I try single cap like this Copper or maybe 4uf Miflex copper KPCU ???  Speaker is B&W 686s2.

#### Danny Richie

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##### Re: New Copper Caps and introductory pricing
« Reply #4 on: 2 Dec 2019, 11:23 pm »
Thank you Danny.
I do use 3.9uf Mundorf Supreme + 0.33uf German Copper foil +0.01uf Mundorf Silver Oil all in parallel , as only part of a crossover for the tweeter .
Speakers did disapear and highs are super clean and airy but bit too recessed for my ultimate satisfaction.
Do you think having 3 caps in parallel is ok or should I try single cap like this Copper or maybe 4uf Miflex copper KPCU ???  Speaker is B&W 686s2.

I have found the Silver and oil caps to have a bit of a sharp edge and at the same time they tend to truncate or damp out the very top octave. But maybe as a by-pass cap those attributes are less prominent.

When by-passing I like to limit the size to a .1uF or smaller.

The Copper caps would definitely take the sharpness out of that tweeter and smooth it out a little.

#### Caper

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• Posts: 5
##### Re: New Copper Caps and introductory pricing
« Reply #5 on: 3 Dec 2019, 04:02 am »
Thank you for your observation, I guess it can be a bit of trial and error test to get the balance right .
I almost wish I could have more forwardness to the soundstage now as it sounds rather recessed and drawn more to the back what makes it sound almost too calm and less in front detail that i like on most recordings.
Before I do anything I will wait for my power amp to be updated by John at Musical Concepts , his power amp modules with Mosfets and dual mono latest drive stage modulss should be pretty magical and with Jensen 4 pole power caps should guarantee super low noise and very dynamic and detailed presentation so afteAFr hearing it I will give my speakers final cap tune up 😉

#### Folsom

##### Re: New Copper Caps and introductory pricing
« Reply #6 on: 3 Dec 2019, 05:27 am »
Interesting they start at 5uf, and not below! It's often hard to get larger caps that are the "good stuff". Nice to see a very new product to GR!

#### Caper

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• Posts: 5
##### Re: New Copper Caps and introductory pricing
« Reply #7 on: 4 Dec 2019, 04:44 am »
If you need 4uf you can always use 2 x 2uf for even lower esr. If im not mistaken.
How do these huge and heavy copper caps sound in the tweeter filter in comparison to Sonicap you like to use...?
I know it is 10x the price so we got to be fair .

#### Danny Richie

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##### Re: New Copper Caps and introductory pricing
« Reply #8 on: 4 Dec 2019, 04:10 pm »
If you need 4uf you can always use 2 x 2uf for even lower esr. If im not mistaken.
How do these huge and heavy copper caps sound in the tweeter filter in comparison to Sonicap you like to use...?
I know it is 10x the price so we got to be fair .

These Copper caps are on another performance level, and of coarse at another price level.

#### Caper

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• Posts: 5
##### Re: New Copper Caps and introductory pricing
« Reply #9 on: 4 Dec 2019, 04:29 pm »
Of course 500usd per set of 2 pcs is a lot of money amd maybe overkill for some systems...  it would be great to try it with some great tweeter 😉
Did you experimented with small bypass say 0.1uf on top of Sonicaps you offer?
Also are these new copper caps kind of like Miflex KCPU Copper ?
4uf Miflex weights over 2lbs each and its size is huge so it may change volume of the box of say mini monitor , so i thought to try it outside of the box on a little shelf mount behind the speaker....  if that would yield significant performance gain?   I did not hear of anyone trying it yet?

#### CaptainBill

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• Posts: 4
##### Re: New Copper Caps and introductory pricing
« Reply #10 on: 12 Apr 2020, 05:05 pm »
Hi,

Very cool product!  Do these have a finite lifespan or environmental requirements like humidity thresholds?

Thanks,
Billy

#### Danny Richie

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##### Re: New Copper Caps and introductory pricing
« Reply #11 on: 13 Apr 2020, 04:26 pm »
Hi,

Very cool product!  Do these have a finite lifespan or environmental requirements like humidity thresholds?

Thanks,
Billy

I know of no special concerns.

#### SSpringer

• Jr. Member
• Posts: 6
##### Re: New Copper Caps and introductory pricing
« Reply #12 on: 1 Jun 2020, 12:40 pm »
The new Copper Caps are a pure Copper foil and wax paper film design. These are 100 volt rated caps.

I will be offering introductory discount prices of 25% off when two or more caps are ordered.

Here are the sizes, retail prices, and introductory discount price.

5.0uF retail \$275 each, and discounted \$206.25
6.0uF retail \$315 each, and discounted \$236.25
6.8uF retail \$320 each, and discounted \$240.00
8.0uF retail \$325 each, and discounted \$243.75
9.0uF retail \$345 each, and discounted \$258.75
10uF retail \$350 each, and discounted \$262.50
12uF retail \$360 each, and discounted \$270.00
15uF retail \$475 each, and discounted \$356.25
20uF retail \$576 each, and discounted \$432.00

Call to order: 940-592-3400

Here are the Dimensions of the caps in inches:

Length    X    Diameter
5uF=       2.5”       X      1.625”
6uF=       2.5”       X      2.0”
6.8uF=    2.5”       X      2.0”
8uF=       2.5”       X      2.0”
9uF=       2.5”       X      2.25”
10uF=    4.95”      X      1.75”
12uF=    4.95”      X      1.82”
15uF=    4.95”      X      2.0”
20uF=    4.95”      X      2.5”

The leads AWG are 18AWG for the 5uF through the 9uF.

Leads on the 10uF through the 20uF are 16AWG.

All use solid Copper wire with 99.99% purity and Tinned leads.
Do they come in any other sizes?

#### Danny Richie

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##### Re: New Copper Caps and introductory pricing
« Reply #13 on: 1 Jun 2020, 12:48 pm »
Do they come in any other sizes?

Not at the moment.

#### rollo

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• Rollo Audio Consulting -
##### Re: New Copper Caps and introductory pricing
« Reply #14 on: 1 Jun 2020, 07:08 pm »
Good luck Danny.

charles

#### Danny Richie

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##### Re: New Copper Caps and introductory pricing
« Reply #15 on: 23 Jun 2020, 03:43 am »
The company owner would really like to get these caps out there in use so that feedback can be generated.

So they are going to run a special on these USA made caps and will be discounting them 50% from now until the 4th of July.

So you better jump on this deal while you can.

#### mresseguie

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• D Sachs amp/pre + Daedalus Audio Speakers = HEAVEN
##### Re: New Copper Caps and introductory pricing
« Reply #16 on: 23 Jun 2020, 03:27 pm »
Danny,

In which kinds of equipment are the above capacitor values likely to be used? [I’m trying to determine which of my components might benefit from trying these.]

I’ll take a look at my Adelphos XOs.

Michael

#### Danny Richie

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• Posts: 13230
##### Re: New Copper Caps and introductory pricing
« Reply #17 on: 23 Jun 2020, 04:00 pm »
Danny,

In which kinds of equipment are the above capacitor values likely to be used? [I’m trying to determine which of my components might benefit from trying these.]

I’ll take a look at my Adelphos XOs.

Michael

These are made in values normally used in speakers.

So any of your top level speakers are prime candidates for these caps and now is the time.

#### mresseguie

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• D Sachs amp/pre + Daedalus Audio Speakers = HEAVEN
##### Re: New Copper Caps and introductory pricing
« Reply #18 on: 23 Jun 2020, 04:04 pm »
Thank you, Danny.

I’ll check the Adelphos and another pair of speakers to see what is lurking inside.

#### Endo2112

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• Posts: 89
• Particularist
##### Re: New Copper Caps and introductory pricing
« Reply #19 on: 23 Jun 2020, 04:12 pm »
Hello Michael, hope all is well;

I can say that when we added these to Jay's Super 7's the up-tick in performance was profound!!

Cheers,

Don