Hello All,
I have sourced a set of matched Mills resistors for my Aleph 5 (www.soniccraft.com) and the 1 ohm are no problem but the only value I can get for the .47 is .50
After looking at some of the photos of completed Alephs it seems that some people are using standard sand cast resistors which can vary by up to 10% so I am thinking that .50 in place of .47 is not such a bad thing, is it?
Thanks for any help.
P.S., I did search the threads but got side tracked for 3 or 4 hours, this has got to be the best DIY site on the NET, Period.
Tony D.
I have sourced a set of matched Mills resistors for my Aleph 5 (www.soniccraft.com) and the 1 ohm are no problem but the only value I can get for the .47 is .50
After looking at some of the photos of completed Alephs it seems that some people are using standard sand cast resistors which can vary by up to 10% so I am thinking that .50 in place of .47 is not such a bad thing, is it?
Thanks for any help.
P.S., I did search the threads but got side tracked for 3 or 4 hours, this has got to be the best DIY site on the NET, Period.
Tony D.
Thanks for the replies.
I am measureing the resistors with a Fluke multimeter and my first thought was that it may have been out of spec. so I measured a few resistors of which I know the value and the meter is working fine.
The Fluke allows me to measure R's without using leads so this variable is removed, I am going to take some of the resistors to work and have one of the technicians do a fine measurement.
At this point though I am thinking that the Mills had better sound good because they sure don't measure up to a 1% spec. as advertised, but perhaps when I get a professional measurement tomorrow things will look better, and ultimatly it is how they sound not how they measure that is important to me and I have it on very good authority that the Mills sound extremely good in the aplication I am using them in.
Tony D.
I am measureing the resistors with a Fluke multimeter and my first thought was that it may have been out of spec. so I measured a few resistors of which I know the value and the meter is working fine.
The Fluke allows me to measure R's without using leads so this variable is removed, I am going to take some of the resistors to work and have one of the technicians do a fine measurement.
At this point though I am thinking that the Mills had better sound good because they sure don't measure up to a 1% spec. as advertised, but perhaps when I get a professional measurement tomorrow things will look better, and ultimatly it is how they sound not how they measure that is important to me and I have it on very good authority that the Mills sound extremely good in the aplication I am using them in.
Tony D.
Hi Trigon,
I think Peter Daniel uses a 12watt or so Caddock resistor of .1R in his Aleph 5 so you may be able to get away with it in the Aleph 4 as well. Perhaps ask Peter to be sure.
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Jean,
Yes they are the MRA 12F.
Tony D.
I think Peter Daniel uses a 12watt or so Caddock resistor of .1R in his Aleph 5 so you may be able to get away with it in the Aleph 4 as well. Perhaps ask Peter to be sure.
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Jean,
Yes they are the MRA 12F.
Tony D.
trigon said:Hy Tony.
Or maybe even 2 x 12W 0.1 Ohm in parallel. I think that should do it even better. But one thing is for sure that the Mills resistors are good if you ask anyone who has tried them. Everyone whom I have spoken to has a bunch of compliments, I have not tried them yet.
Thanks.
Trigon.
If you use 2 x 0.1 ohm in parallel, you'll get 0.05ohm and I don't know if it's better?
Hi Peter.
Yes the real value is if you use 6 x 0.47 ohm in parallel = 0.07833 Ohm, so using 0.1 Ohm is much closer than 0.05 but thinking of 12W what is your opinion, it should do it? for Aleph 4.
BTW. Peter I am frustrated with tapping and as I have explained to you earlier that Japanese have came up with special tap that can be used if you do not want to drill trough the heatsink completely but rather couple of mm and have the tap do the job as close as possible to the end of that hole.
I will post the picture later.
Trigon.
Yes the real value is if you use 6 x 0.47 ohm in parallel = 0.07833 Ohm, so using 0.1 Ohm is much closer than 0.05
but thinking of 12W what is your opinion, it should do it? for Aleph 4.BTW. Peter I am frustrated with tapping and as I have explained to you earlier that Japanese have came up with special tap that can be used if you do not want to drill trough the heatsink completely but rather couple of mm and have the tap do the job as close as possible to the end of that hole.
I will post the picture later.
Trigon.
Actually, those spiral taps are far superior as they bring the chips to the top very quickly, and prevent deforming what threads you have already cut. I've been using them for many years now. They are also VERY good for sytainless steel where any chips stuck in the tap may cause things to bind up and the tap to break. Those using regular taps will eventually discover what it is like to break off a tap in alumnium. They are about impossible to get out without destroying the original drilled size of the hole, and then having to put in a threaded insert.
Mark
Mark
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