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发表于 2017-7-24 22:03:19
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本帖最后由 Phase 于 2017-7-24 22:05 编辑
3A一直都是单端三极管可推的牌子啊,不知道airtight搭配起来到底怎么样,转Salvatore的名单:S.E.T. FRIENDLY SPEAKERS LIST
Until I find a list which is more definitive, and objective, here are some speakers that I, and mainly Readers, have found to work very well with low-powered Single Ended Triode (SET) amplifiers;
AcuHorn rosso superiore175
Affirm (formerly Maxxhorn) Lumination & Immersion
Apogee Acoustics Definitive Ribbon Speaker (very expensive)
Aspara Acoustics HL1 Horn Speaker
Audio Note ANE SEC Signature
Avantgarde Duo and Trio (All Versions)
BD-Design Oris and Orphean Models
Bottlehead Straight 8s (Discontinued)
Brentworth Sound Lab
Cain & Cain BEN ES (and other models)
Cardersound Madison (Single-Drive Back Loaded Horns)
Coincident (Total) Victory II & Pure Reference Extreme (and most of their other models)
Decware (Various Models)
(DIY Hi-Fi Supply) Crescendo Ribbon Horn Speaker System
Fab Audio Model 1 (Toronto, Canada)
FAL Supreme-C90 EXW or EXII
Goodmans of England 5 or 612s
Hawthorne Solo and Duet
Horn Shoppe (Two Models)
Horning Hybrids (Various models)
Hoyt-Bedford Speakers
Klipschorn and La Scala (All Versions)
Living Voice OBX-R2 (UK)
Musical Affairs Grand Crescendo
Omega Speaker Systems
Pi Speakers (Various Models)
ProAc Response Two*
Prometheus II
Reference 3A MM de Capo i
RL Acoustique Lamhorn 1.8 (Montreal, Canada)
Sonist Concerto 2
Sunlight Engineering 308
Supravox Open Baffle
Teresonic (Various Models)
Tonian Acoustics (Various Models)
Vaughn Zinfandel
WLM (Various Models)
Zingali Horns
Zu Defintion
*Recommended by a reader and Gordon Rankin (Wavelength Audio), a veteran expert SET designer, despite its 86 db sensitivity.
I would appreciate finding out about any other models, that readers have actually heard for themselves, to add to this list. This list is not a temporary project. It will be kept here indefinitely. Further, don't expect to see the speaker models posted here a day or so after your e-mail is sent to me. Please remember that I'm usually behind in ALL my correspondence, including even the brief and helpful information letters.
Finally, I will keep my own "SET friendly list" because at least one list should have no commercial foundation, temptations or considerations**.
Important- I would like to know if any of the above models can be bi-amped. This is critical, because I am convinced, based on decades of experience, that speakers with the capability of being bi-amped have far superior potential, assuming everything else is equal.
**For example, another website placed the Merlin speakers on their list, which, despite all their enviable qualities, will still not work well with low-powered SET amplifiers. I know, because I tried them. The sensitivity was just too low. Merlin, themselves, has used the excellent CAT amplifiers, which are pentode based and push-pull, at their audio show demonstrations. I would trust Merlin to know how to optimize their own speaker designs.
LIVING VOICE OBX-R2- A reader sent me a letter with some observations on this component. I felt they should be shared. There's some small editing;
"...I have been told by the manufacturer that the OBX-R2 really needs more than 20 watts for anything but a smallish room. They are rather efficient, however one of the strengths of the speakers is that they are very dynamic (which makes sense as Living Voice started out making large horn speakers). If they don't have enough power, you loss some of that. I own a pair and really love them; I am moving into a small apartment and will get my 15 watt Cary 2A3 out of storage and give it a try."
Personal Notes- I'm not familiar with this speaker. If this reader is correct, the Living Voice requires, in most circumstances, more power than the finest SET amps can deliver. What a shame. Worse, it also means that many audiophiles may be overly optimistic when claiming various speakers are SET friendly.
Some More SET-Friendly Speakers
A veteran reader has recently sent me his suggestions for some new SET-Friendly speakers. Here's the part of his letter concerning this subject, with some minor editing and my bold:
"These three SET-friendly speakers have embraced (the open baffle) concept:
- Bastanis (especially the Mandala): http://bastanis.com/speakers.html
Interesting here is that the designer, on more expensive versions of the Mandala system, has a dipole woofer (separate SS woofer amps) and a 2nd rear-facing tweeter, so that all drivers are in effect dipoles. 100 db/w/m , 16 ohm, very SET friendly
- Tetra Speakers (of Ottawa) Tetra 606: http://tetraspeakers.com/high_end_speakers_pages/606.aspx
This one has a tweeter which seems to be a natural dipole. 92 db/w/m, 8 ohm. (I arbitrarily use low-90's db/w/m as SET-friendly)
As well, the Nola Viper speaker (http://www.nolaspeakers.com/) and the Linkwitz Orion (http://www.linkwitzlab.com/index.html) take this general approach. The Nola speaker claims it needs a minimum of 10W amp, so it may also be almost SET friendly.
Here are some additional speakers for your SET-friendly list beyond the Bastanis, Tetra, and Nola mentioned above:
http://www.voxativ.com/
Voxative is a rich man's Lowther, using a professional piano firm for cabinet finishes. Interesting is their new Wallhorn speaker using their AC-X field coil single full range driver. This is a flat'ish cabinet that has dual horns to each side of the driver and are downward firing. 100 db/w/m, 16 ohm.
http://www.ocellia.com/
Ocellia speakers are a fascinating implementation of the French firm PHY's SET friendly drivers (97 db/w/m, 16 Ohm - http://www.phy-hp.com/English/Products/Products.html) made for open baffles. Ocellia make its cabinets non-rigid, like a string instrument body, with substantial 'ports', so it seems to me to be sort of semi-open baffle. Both 6moons and Harvey "Gizmo" Rosenberg are/were big fans of Ocellia. I think the principal behind Ocellia is now Quebec based http://www.atelier-audio.com/accueil.html Again, I think these are of the if-you-have-to-ask-the-price-you-can't-afford-them category of speakers." (12/10) |
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