A few comments...
First, while some companies like to create buzz by talking about impending products that, at times, never materialize, we never like to talk about products until we feel they are ready to launch. Some great ideas just don't pan out and if you talk about them in advance, people are disappointed when the products never materialize. So it is best not to discuss projects until they become reality. That said, the cat seems to be out of the bag on this one.
So...here is what we know at this point:
When the SongTowers were first introduced, a few people asked whether or not a version could be done with a ribbon tweeter. At the time, Dennis and I discussed the prospect. I can honestly say it didn't make sense to me. It would be a more expensive model and we already had the Veracity QW's (transmission line) and HT2's (MTM). But, of course, it was an interesting concept, so Dennis went ahead and developed a prototype which was completed recently.
We are currently in the process of building a pair for test purposes. We expect to have them completed in the next two weeks or so. We will be using an LCY tweeter in this model. We are also working on a new prototype baffle system. While it is too early to judge it's feasibility, we are working to develop a machined aluminum front baffle (we may test a Corian-type material as well). The idea is to anodize them in both clear and black. There are a few other upgrades as well. Think of it as a SongTower on steroids (which are street legal where speakers are concerned)

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It is estimated that this new SongTower version, if and when it is released, will be priced at about $500 per pair over our current SongTower "custom" model and available only in "custom" finishes.
In anticipation of a potential question, it will not be possible to upgrade current SongTowers to this new configuration. The driver spacing is different (by necessity) and there is no way to re-work existing cabinets without rebuilding them (which would be cost-prohibitive).
When will we announce this new model? The answer is simple: when, and if, it is ready. Thanks, in advance, for your understanding.
- Jim