Eminent Technology ET-2 Tonearm Owners

02-01-14: Slaw
Wow, when I post, I post!

If this has been addressed in the past, I apologize... I notice some choose to "hang or mount" their counterweights from the top of the I-beam. I choose to hang mine from the bottom.
In the past, (a long time ago), I A-B'd these settings and preferred the way I do it. From my logical standpoint, I would think hanging the counterweights below the center of gravity, from the spindle's point of view, would be the preferred method. Any takers?

Anyone that is an ET2-er for any real length of time; the big question of choice will come to you.

Do I do an IN-e or an OUT-e, with the lead weights ?

An IN'e requires a ton more weight (figuratively speaking) Fully loaded down version baby.

Think teeter totter of childhood days with two friends. One is the same weight as you the other 50 lbs more.
The heavier friend needs to sit inside more to balance out things. The same physics applies here, except the friend has a leaf spring on his side.

Which friend would you prefer to ride with?

This hobby is about free choice, personal choice and enjoyment. If you call Bruce and ask him for an opinion he will say what makes sense as a manufacturer, and as it relates to his business.

SOME FACTS

An OUT-e requires more thought (a certain combination of weights) to get out to the end. Its the stripped down version. Light on its feet.

The ET2 was designed with Adjustable Effective Mass

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PAGE 9

The effective mass is adjustable both vertically and horizontally. The arm has low to medium mass vertically. Medium to High mass horizontally. Four counterweights allow the vertical and horizontal mass to be changed. For example: if the user decreases the amount of counterweights used, and moved this position back (higher scale number) the horizontal inertia would go down and the vertical inertia would go up.

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PAGE 24

We believe that for a light cartridge. The smallest number of counterweights should be used. This raises the vertial inertia of the arm. (because it is low) and decreases the horizontal inertia (because it is high). bringing the mass of the arm to a more desirable figure. It will always be lower vertically than horizontally which is desirable.

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IMO the word "light" should just be deleted as it really applies to "all" cartridges.
My personal experiences have been whenever vertical inertia is increased, bass gets better defined and tuneful.

Hi Frogman

I came across that article while having my Sunday morning coffee.
I am now having Sat Morning coffee.
Same black coffee made from beans.
Package reads 100 % Columbian Premium Whole Bean Coffee.
Company name is Zavida, Purchased at Costco. I prefer it to Tim Hortons :^)

I listen to digital and LP all the time. I can have an all digital listening session and enjoy it.
I have a lot of music on cd that I do not have on vinyl.
But when I switch to vinyl it stays there. it doesn't go back to digital later on. thats just me.

The only part of the article that stands out to me still is the analogy of hitting sticks - near a person ear and at a distance.
No idea if hitting a stick near a persons ear comes close to a square wave.
That article left a lot to personal interpretation, along with saying some things that electronically I don't think are possible.
I threw it out there because it was a little off the wall and different. Why not ?
What better thread to do this on. A heavily moderated one.

I am not very good at describing what I am hearing and you are very eloquent at this.
You have shown this here, as well as other threads at Audiogon.

Assuming you have a copy of the same recording on both CD and LP.
Assuming this is a recording that you would consider "very average" from an sound engineering perspective.
Not focusing on how the actual performances in the recording are.
Can you tell us what you hear - differences - between the two when you play the CD and LP?
I would be very interested in hearing how you describe this.
It would carry a lot more weight than the article to me.
Cheers.

Hi Chris, I would be glad to share some thoughts about that. I am on tour in Asia for a couple of weeks with limited internet access and will post when I have a window of opportunity. Regards.

Richardkrebs: I'm using the air regulator I previously posted... the Motronix knock-off, Schrader , model 35501030,
it does expel air, this is to keep any pulsing action to a minimum as the arm sees it. However, with the M-30, this is a non-issue.

My feeling is that when I receive my Jun-Air 6-25 back from repair, although it does cut off after building up pressure in it's tank/s, I'll be pleasantly surprised if there is any at all, sonic benefit, from this arrangement. I say this because I'm SO confident in the M-30 and it's filtering properties!!

Slaw
Yes I remember your post now.
Thanks for that.
Will be interesting to read your comments on changes, if any, with the Jun Air.
Looking at these compressors on line, they appear to be very high quality.
Do you or any one else have any opinions on them?

Thanks