Placement tips for Synergistic Research HTFs

geoffkait,

Your repeated use of epithets does not reflect well on your contributions to the forum. "Grasshopper, knuckleheads, nerds, little old ladies." What do think you are gaining by being condescending and insulting? New customers for your $100 resonator cups? It behooves us all to show respect for one another here. Of course, I don't take this personally because I know it comes from someone who seems to be "challenged" in this regard, lamentably.

You originally stated, "Also keep in mind Tchang’s diagram is indicated on his web site as pertinent ONLY to his Silver and Gold tiny bowls". In fact, if you read Franck's site closely, this is not indicated anywhere on his. You have stated Franck's diagrams do not "apply" to other resonators. But Franck himself does not say this. Franck obviously created the diagrams for his own products. But this does not mean, ipso facto, that they cannot be used successfully with other resonators. The fact is that they can and are being used with other resonators with very good results -- in spite of your statement that they do not "apply" to others, which you falsely attribute to Franck..

Also, Franck Tchang produces 2 models with 5 kinds of bowls for each model, including platinum and copper. So, your statement regarding 2 and then 3 bowls was obviously inaccurate, as I pointed out.

You recently stated, "Exactly. And his bowls are gold and silver and platinum. His diagrams don’t apply to cheap DIY knock offs. Hel-loo! Your comments remind me that you can lead a horse to water but you can’t make him drink. Look within, grasshopper." I reflect this comment back to you -- "Cast out the mote that is in thine eye." Luke 6:42. 

Your reference to "cheap knock offs" is cute. What difference does it make how cheap a "knock off" is, if it works? Perhaps it makes a difference to makers like yourself who are trying to sell $100 resonators. It hurts to hear that a $1 "knock off" offers stunning results. In fact, others are picking up on this and are also getting good results -- belying your negative statements. Are only manufacturers of expensive products entitled to make claims regarding resonators?

Your reference to horses and water deserves a hearty lol. It is obvious that $1 water is too cheap for someone who is trying to sell water at $100 a cup.

toddverrone,

There are other products out there that have proved superior in my system to those that Ozzy recommends. They may be great for a lot of systems but you might want to check out various kinds of cones and cups to see what works best in your system.

Sabai, sorry but you’re wrong. See below for examples from Franck Tchang’s website diagram and instructions for using HIS acoustic resonators. The steps of the diagram are specific to his gold, silver, platinum and basic models. Even if resonators are in the same shape and geometry as the original Acoustic Resonators (which your cheap knock-offs almost certainly aren’t) different materials, metals, ceramics, whatever, will have different reactions in different positions. Of course it’s your option to guess but IMHO there are simply too many variables for guessing to be a good choice. That’s why the only logical and reasonable approach is to use a SPL meter and test tone(s) of your choice. This probably explains why you had to use SO MANY resonators. Eventually you will find the ideal locations by accident. Wake up and smell the coffee! 😀

[Also, note that caveats are provided in his instructions, such as this location is good for small room with big speakers. So, obviously his diagrams are NOT intended to be universal.]

Step 4 should only use the Silver or Gold Special models. This position is very effective to open up the corners. The wooden base must be installed on the sidewall but butt right up against the front wall. It should sit slightly lower than the center resonator of Step 3 but no lower than 5cm from the ceiling.

Step 6 should use the Gold or Platinum versions. Install these units on the side walls as high as possible. Relative to your listening position, these resonators should align within a plus 100cm, minus 50cm window in front of and behind your chair. These two units cancel the sidewall reflections and reduce low-frequency resonance.

The Silver or Gold Special models are suitable for Step 8. This pair should be installed as high as possible on the sidewalls and butt right up against the rear wall. This location is very useful for smaller rooms with big speakers.

Have either of you built/used HFTs of different sizes to focus on particular frequencies that are amplified by the room? Or do you just build a bunch and hope they cover the frequencies you need help with?

Todd,
I had a big reply ready but Audiogon lost it Grrrrrrrrrrrrrr.

I will be building three different size Ozinators.  The regular size plus two smaller sizes.  I want to find out if smaller sizes affect different frequencies.   I will report.
If you don't have a place to buy cones I bought mine at:  Flyfishers.com
For anyone buying cones please keep in mind that for under $5.00 you will be getting a PACKAGE of cones.  Most likely 24 cones in a pack.  The write-ups are not clear.
So don't do what almost did and order 12 cones not realizing I was ordering packages.  I almost ended up with just under 300 cones.     ;<)