Tube Friendly Speakers - Down to 30Hz - $3000?


I'm looking for speaker recommendations that play down to 30Hz. Able to be fully driven without compromise by tube amplification with as little as 15wpc.

$3000 new or used.

16x19 room. Rock, jazz and classical.

Reasonably small footprint (Klipsch K-Horns and LaScalas are too large).

I have eliminated Zu Druid and Tones from contention. All other options are open.

Thanks in advance.
tvad
Senna, I haven't been able to find any info about the Cary loudpspeakers. Perhaps you can post a link?

Here's a good article from 6Moons that lists ten SET friendly speakers and amplifier combinations. It was written by Srajan, apparently before he discovered the Zu Definitions, otherwise I'm sure they'd have been on this list.
Tvad,

Don't want to sound like (pardon the pun) a broken record, but I believe Kevin at Upscale has Cary Silver Oaks on hand. Honestly, I have no affiliation with the guy, I just think his inventory is heavy on the kind of stuff you're seeking; SET amplification and good partnering speakers.

Marty
I called Kevin. Essentially his response after putting me through the standard salesman's buyer qualification was, "Listen to everything on your list, and then call me in a couple of weeks."

I saw a photo of the Silver Oaks. They look quite large. What are their dimensions? What are their specifications?
Hi Tvad,

I have a friend who owned Silverline Reference 17's, and they were very nice little speakers. In his set-up, I'd estimate they got down to maybe the upper to mid 40's.

I'm skeptical of the 17.5's implied claim of extension to 32 Hz (although to be precise no plus-or-minus-dB tolerance is specified). Assuming an 88 to 90 db efficient woofer in a .65 cubic foot vented enclosure, the response will be down at least 10 dB at 32 Hz without significant boundary reinforcement. While it's true that I don't know the specific parameters of the Dynaudio woofer used, enclosure volume and efficiency and bass extension are interrelated enough that knowing any two will allow a reasonably reliable extrapolation of the third.

You might find it useful to make calculations of your own to check out manufacturer's claims. Speaker designers are pretty much constrained by the same sets of rules, unlike writers of ad copy.

You can download a pretty good little speaker simulation program here. Try the free demo version - that's probably all you really need. I can help you run a few practice simulations if you'd like.

Best regards,

Duke