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Cb, great minds think alike! i'm in the process of rebuild ... Easternenigma
Enigma - it is interesting that we are going down such simi ... Cincy_bob
Cb, i've been corresponding with nicholas for a few month ... Easternenigma
Cincy, i reviewed all my emails with nicholas to ensure t ... Easternenigma
Stephen - thanks for the update and for all the information ... Cincy_bob
Bob, you're welcome, and i think the idea of "compar ... Easternenigma
Bob, i believe nicholas is either at or on the verge of p ... Easternenigma
Hi stephen - that the promitheus tvc can play on the same f ... Cincy_bob
Bob, i do not have the ref version of the tvc to use as a ... Easternenigma
Stephen - i just found the e-mail in which nicholas describ ... Cincy_bob
Bob, you are obviously both a man after my own heart and fa ... Easternenigma
Bob, another exciting tidbit just came in (or perhaps my ... Easternenigma
So, stephen, how did you make out with your speaker project? ... Cincy_bob
My speakers are now operational. I spent all day yesterday attaching stuffing (attenuate high frequencies in the cabinet and reduce standing waves), drilling for drivers, wiring and then closing it all up. I'm more of a Get-Someone-To-Do-It-For-You (GSTDIFY - you read it here first) person than DIY, so a couple of theraputic Bavarian wheat beers were called for to alleviate stress.
The stain looks a bit different from what I expected it to look like (Minwax Sequoia); it actually looks like a slightly light brown walnut. With the black drivers, the speakers have a bit of the Tannoy Westminster classic English look to them, which I find appealing. Initial WAF assessment was only slightly negative to neutral, which may turn to somewhat positive in the fullness of time based upon experience.
They obviously need some break-in before a fair assessment can be made. My last speakers used a mass-loaded transmission line (MLTL) and I thought the designer did a superb job in getting the bass 'right.' (gershmanacoustics.com/index.html..., although the Cameleon model is no longer made.) I've had the two front AN drivers in small open baffles (OB) while my cabinets were being made, so they should be more or less broken in.
Bearing in mind all of this and that the Morrows look to be slightly different (different bass port, my upper drivers don't have the copper phase plug, etc.), I first noticed a general improvement in low level detail retrieval over the OBs, which surprised me. Since I had added the speaker binding posts to the signal path, if anything I would expect slightly less detail. I attribute this to superior impedance matching, as my interim Sonic Impact II prefers 4 ohms over 8 ohms. The OBs were 8 ohm due to the single drivers, but I have my speakers currently configured for 4 ohms.
I thought the bass was okay but not exceptional. I prefer the bass of my old MLTL speakers in terms of tone and taughtness. Bearing in mind that we're talking in the vicinity of 40Hz, I think the speakers have acceptable bass for acoustic, jazz and small classical works, and probably for those nostalgia sessions with the old rock albums. In fairness, the Sonic Impact II has been observed to be a little shy in the bass, so the speakers may be better here than I observe.
The highs are slightly rolled off, which is to be expected, I suppose, from most full-rangers. However, there's enough there that I found this didn't really bother me other than to note its existence.
I also noted, along with the great detail retrieval, a substantial increase in stage depth on some recordings, the best I've yet experienced. Lead sax was louder and more forward, drummers were slightly fainter and farther back. Also, the dynamic range seemed to expand nicely. I found I was noticing percussion rhythms more distinctly (Art Blakey), and a greater sense of the recording space or 'being there.' (E.g. Jazz At The Pawnshop.)
While much of this may be a function of the enhanced impedance matching, I still wouldn't be hearing it if the speakers couldn't deliver. While your Morrow speakers will likely pale somewhat to those in your main rig at the frequency extremes - I could be wrong, though -, I think they may actually be as good or better in terms of midrange detail. I have no doubt that your upcoming Morrow Amps will greatly surpass my T-amps, and with the TVC pre I'd wager you (and, by default, 'we') have thought this out correctly and have the basis for an excellent system.
Yes, this will be very revealling of your upstream source(s).
Congratulations on the BHP success. (I.e. transformer damping, not stock appreciation due to a major mineral find.) I've asked Nicholas before about it and he had indicated that he was thinking about it for the Signatures. (I think - I'll have to check the mails to be certain.) I'll ask him about it again.
Finally, I would also like to add how much I enjoy your posts, both for their content AND for the very articulate writing, which I find to be a rarity online these days. You have me playing "Guess Bob's Career Profession" whenever I read them. I speculate that you're not a charter member of the Cincy Septic Guardians Guild.
Easternenigma (System | Answers | This Thread)
Bob, i've realized that i have a grounding/hum issue in m ... Easternenigma
Bob, i have started a system here on audiogon to show you ... Easternenigma
Hi stephen - i'm glad your speaker project was a success. ... Cincy_bob
Bob, if you're an odd duck, you're at least one with meti ... Easternenigma
Bob, please drop me an email at firstname.lastname@example.org ... Easternenigma
Stephen - based on a recent e-mail exchange with mike morro ... Cincy_bob
System edited: i received the doge 6 cd player from pacific ... Cincy_bob
I received the new doge cd player this week. it turns out t ... Cincy_bob
System edited: pictures posted. Cincy_bob
System edited: i received the new promitheus audio signature ... Cincy_bob
The new promitheus signature tvc is a considerable upgrade i ... Cincy_bob
At this point, i have had an opportunity to listen a bit to ... Cincy_bob
Cincy_bob, did the signature tvc come with any additonal dam ... Pubul57
Pubul57, promitheus used bhp as the damping material in my s ... Cincy_bob
Cincy_bo, is there any difference between the signature an ... Dino
Dino, the signature tvc is nick's flagship tvc product that ... Cincy_bob
Nice set-up;maybe one day the wife will let you take those c ... Trigg
Very nice system, bob. would love to hear your amps sometim ... Douglikesaudio
Trigg, thanks. regarding the room set-up, my wife was nice ... Cincy_bob
Bob, yes, i wish i were nearby to hear them myself. i appre ... Douglikesaudio
Bob, seriously i was kidding. but since you mention: " ... Trigg
Trigg, that's good to know. i agree that lv has achieved so ... Cincy_bob
With about 340 hours on the western electric 300bs and a ver ... Cincy_bob
Come on bob, did the tonearm come in? lets unpack that turnt ... Vudutu
Craig, the dynavector tonearm is scheduled to arrive today. ... Cincy_bob
I now have the analog rig set up and running in this audio s ... Cincy_bob
I received the new vpi rim drive upgrade today. i made the ... Cincy_bob
Well, after living with the new vpi rim drive upgrade for ne ... Cincy_bob
System edited: updated pictures, including pictures of the t ... Cincy_bob
Mike morrow paid me a visit today and made an important modi ... Cincy_bob
Latest update: i replaced the phono cable in my reference sy ... Cincy_bob
System edited: yesterday i received and installed in this sy ... Cincy_bob
Just a quick update on the new cables that were installed in ... Cincy_bob
System edited: i am in the process of upgrading the morrow 3 ... Cincy_bob
Bob, that rim drive for the vpi looks really cool. that's ... Albertporter
That's a lot of mosaics! Zowie
Albert, thanks for your post. while my photography is clear ... Cincy_bob
I received the new sp4 speaker cables and installed them in ... Cincy_bob
Great system, and nice to have something a little different ... Glenfihi
Glen, thanks for your post. this set system is definitely a ... Cincy_bob
The new interconnects and speaker cables in this audio syste ... Cincy_bob
Nice review about the sp4s.i recently aquired the same just ... Dart6
Yesterday i took delivery of a pair of the new ortofon mc a9 ... Cincy_bob
I added the nagra bps battery-powered phono stage to this sy ... Cincy_bob
Hi, just came across your system - incredible rig, yet alon ... C1ferrari
Sam, thanks for your post and sorry for my untimely reply. ... Cincy_bob
Hi, bob! acknowledged :-) vbr, sam C1ferrari
System edited: the interconnects, speaker cables and phono c ... Cincy_bob
I lost a filament in one of my sophia electric carbon plate ... Cincy_bob
Cincy_bob, is there a reason why you have not connected xlrs ... Milpai