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In Reply to: RE: Janszen zA2.1 new review posted by Dave Pogue on August 14, 2013 at 05:14:21
The zA2.1s are not light in bass support. I can attest that different amps have a great affect in bass output as well as the setup of course. Suffering bass suck out in show rooms doesn't help at all. I heard David's setup at the Chicago Axpona show and that didn't create the right impression. I get acceptable bass in my setup but I recently found out it could be much better.
A local friend brought over his Decware Zen Torii tube amp to try on the zA2.1s and the bass dropped my jaw, not to mention the overall sound in general. I had no idea the JansZen's bass was that good. My current SS amp has tons of power and sounds great, but does not do this. The Decware amp only has 25 watts but it is all class A power. That might be the key, or it may just be a testament to the Torii's design.
I was fully happy with the sound I was getting with my amp but I have that Decware amp on order currently for myself. Comparing only two very different amps is hardly conclusive but these speakers really reveal the attributes of what is driving them. Hearing the bass driven right gave me a whole new respect for what is possible with twin 7" woofers.
Follow Ups:
And that would compensate nicely for any lightness in the bass.
The manufacturer specs it to around 35 or 40. That positivef review claimed in room to 25. I'm skeptical of that latter claim - any room gain differences are not going to make that big a difference. (Just using some spl meter in room uncritically doesn't mean it was giving useful output to 25 hz, even if that is what some person wielding the meter thinks.)
can admittedly be tricky. But in this case I happen to know it was not done with "some spl meter", say from Rat Shack for example. Rather it was a professional Real Time Analyzer.
Even so, delivering measurable in-room bass at 30 or 35 Hz is not too shabby for a pair of 7" woofers. But for me the integration of electrostatic and dynamic drivers as jsm71 mentioned is more important than sub-40 Hz response anyway.
"You can’t know what the “best” is unless you have heard everything, and keep in mind that given individual tastes, there really isn’t any such thing." HP
Not to 30 or 35, so I'm skeptical, whatever meter it was.
have you voiced your concern at PFO?
I only posted the link for information. I can't verify or deny any details beyond what I've already offered.
"You can’t know what the “best” is unless you have heard everything, and keep in mind that given individual tastes, there really isn’t any such thing." HP
Why would I contact that online publication just because their claims about this speaker contradict both yours and the manufacturer's?
How strange to even phrase these facts as "skepticism."
Your suggestion sounds more like denial than a suggestion.
Hi Ktem,
1. You ask why you should contact the source for the review? It seems reasonable if you have any questions about how the measurements were made or their accuracy then that would be a logical place to raise your issues.
2. You suggest the review claims contradict my own. Please identify where I made specific claims about bass response I observed for the Janszens. I said nothing about 25 Hz and used a broad example of "30 to 35 Hz" as amazing response from a pair of 7" woofers.
3. You consider it strange to phrase some facts as "skepticism". My reply merely lifted a word you yourself used in two separate responses.
Maybe we simply need to agree we have different perspectives here, but if you don't agree with the message, why question the messenger rather than the source?
"You can’t know what the “best” is unless you have heard everything, and keep in mind that given individual tastes, there really isn’t any such thing." HP
By your logic, anyway, you ought to.No, it does not "reasonable" if I have questions about a review to contact the publication. Why would I?
Is that what you post to anyone who says anything here about a review in "Stereophile"? That they should contact them? Of course not.
You're blowing smoke, but one thing is clear: pf's claimed frequency response does not scan with what the manufacturer and other users claim. And it's not off by a mere rounding error, either. That's fact, whether it upsets you or not.
Edits: 08/15/13
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