@mesch - taking your current speaker specs and adding 3db “just for good measure “ is a convoluted way to go about this. Usually, one can get a sense of a speaker’s power requirement is by analyzing the phase/impedance vs frequency plot (impedance variations, phase angles) and the sensitivity.
It would be much easier for us to help you if we knew the make+model of your amp so we can get a much better idea of what it can drive.
Another strategy is to look for reviews of your amp to see what speakers they are using. As speaker synergy is important it might lead you to ideal amp/speaker combos.
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Klipsch Forte IV or III - great with tubes or SS...
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the Soundlab is way over 5K
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+1 used Volti Razz
maybe Zu Audio
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curious jim ref ones are 85db sensitive
i would look at
Legacy Calbres: 90 db efficient, easy to drive, great bass, fantastic clarity with state of the art drivers
a large step up from the Scan-speak drivers in the Fritz.
Dave and Troy
Audio Intellect NJ
Legacy dealers
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KEF Reference Ones are are 91 db I believe. And depending on your taste and space the Klispch Heritage line are very efficient and most are in your price range.
All the best.
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Arendal 1723's are 92 db and sound great. Certified THX Ultra. HDF cabinet.
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@elliottbnewcombjr yeah that is the opposite direction, the Sanders 10E site shows they like to pair them up with a powerhouse 500w-900w Magtec Class AB amplifier.
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Power (Stereo Version)
500 watts continuous per channel into an 8 ohm load
900 watts continuous per channel into a 4 ohm load
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Other:
My local dealer has Soundlabspeakers, and I’ve heard the Majestic 545px 8ohm speakers driven with my same Quicksilver 60-100wpc tube amps and they sound glorious too. Lower efficiency and 8ohms, yet the tube amps do okay with them fwiw. https://www.soundlabspeakers.com/majestic/
Actually he’s had the super large 945 units there and drove them with my same QS Mono 120 tube amps without issue, with the higher 8ohm impedance. I like the size of the shorter 545s with wider front size.
Would the OP go for these, who knows ;). Neither of these are "efficient" though, not even close. Not efficient. Tube amp capable, maybe
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A friend of mine has a pair of Living Voice speakers, I think maybe older R25's? He got them for a steal price because of some small dings in the cabinets, but they can be had for less than $5K. You'll pry my old ProAc Response 2's out my of cold, dead hands, but I found these to be very similar in having excellent imaging and a vivid midrange. In fact, he bought them to replace his own ProAc Response 2's so he could run single-ended amps. He listens to more contemporary music than I do, and they did very well with that but also classical and jazz. I really enjoyed listening to them for two days, and if I had the money I would even consider replacing my ProAcs.
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meanwhile,
totally ignoring your requirements, I might pick this for you, I’d sure like to hear it, maybe fit your room, maybe not, seller says too big for his space
Sanders Sound 10E
absolute sound review
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Hey @mesch is there anything else about the next pair of speakers you'd like to try or venture into that you've not tried prior? i.e. baffle size, driver configuration, etc.
For example one of our members here has demoed (narrow baffle) small bookshelf (2-way) and then ventured in to floor stander (3-way) speakers, also owns the Fritz. I walked through some the journey with him. During that journey, I also suggested trying wider front (wide baffle) speakers next for a different type of sound with his next set of slightly more efficient speakers. This is in progress now. Maybe he'll chime in later on down the road.
For example, with the builds I've done, spent quite a bit of time with 2-ways with TW, various tweeter and woofer types. I then decided a few decades ago I kinda liked the sound of WTW, or some refer to it as MTM configuration. I position the tweeter (AMT or Ribbon) at ear level in my seated position. This might be more suitable for lower efficiency speakers and listening preferences. For example, my current custom speakers are 92.5 6ohm in MTM driver configuration. Sometimes MTM can be too much of a good thing for some people's listening preferences yet I tend to be a low-midrange freak so I love this with tube amps. Will stop there. Best of luck.
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OP
From what I gather, you seem to avoid speakers with low bass.
in feb nobody seemed to be able to help re: Bel Canto REF 500s amplifier, what did you end up doing for amp power?
"I am using a pair of Magnapan LRS+ speakers in a ~15x12x8 sized room and am looking for a SS amplifier to pair with my Aric Audio Super tube preamp. "
now
"I currently own Fritz Carbon 7s SE MK2."
...............................................
I am thinking more info will give members insight, perhaps post some photos in a Virtual System, it's pretty easy.
My take, you can put larger speakers with low bass in that size room, I would try that before mixing subs later to solve the lack of low bass. I'm not talking huge or extended low bass, not swarm, just decent full range capability with excellent imaging.
I typically advise high efficiency so that it is easier to use Tube amps now or in the future, and avoiding low impedance as you intend is also wise for that possibility.
Less Cost, Heat; More Options in lower price category, Easier to Place, perhaps Mono Blocks to disburse the heat and split the weight of big transformers.
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These open ended questions will get you the answers you are receiving. What are you using to drive your speakers? I run 93db MHorn Mummy’s with a 12w Tron 211 amp and 17w Miyajima OTL’s in my room which is about the same size as yours and have plenty of dynamics and headroom. I couldn’t use a 2a3 amp but a 300b at 8w would be plenty on these speakers. If you like your speakers now look at upgrading your amp.
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I am searching for speakers that would make a lesser demand on a power amplifier than that of my Fritz speakers, which I do consider an easy load.
Just out of curiosity, why? Are you sensing your amp is straining or do you think the speakers aren’t fully opening up? Your room is small the Fritz speakers aren’t a tough load so I’m wondering. What amp are you using?
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Fyne Audio Classic 8 Bookshelf should be on your list to hear.
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My thinking is that Sensitivity + Impedance + Phase angle = Efficiency. My understanding of these factors are not complete.
This is correct. However, there do exist some high sensitivity speakers that have rather tough impedance phase angles. Also, keep in mind that there is no real standardization for how manufacturers can rate their sensitivity. Some brands claim to base their spec on anechoic performance, while others include boundary/wall gain. Some manufacturers are altogether dishonest about their products’ sensitivity and/or nominal impedance. It’s not uncommon for brands to inflate the sensitivity spec by 5+ dB.
What is your ultimate goal? To use flea-watt tube amps? Better dynamics at low SPLs?
Given your room size, you are likely using less than 10 watts of power most of the time. This isn’t to say you wouldn’t benefit from speakers of higher efficiency, but it really depends on your goals. An efficient speaker is not necessarily a dynamic speaker either. Yes, higher efficiency does tend to correlate with better dynamics, but correlation ≠ causation. Some of the best low-volume dynamics I’ve achieved were from speakers of <85dB sensitivity.
Much of a speaker’s perceived dynamic range comes from its bass performance, and thereby, its woofers. In my experience, dynamic sounding woofers have high compliance suspensions, low-mass diaphragms, and a low nominal impedance, preferably all three. It’s for that reason that the DIY speaker community tends to prefer 4-ohm woofers, vs the 8-ohm version of the same woofer. But it’s also possible to make such woofers sound constrained and lifeless with poor implementation.
All this is to say that you can’t really judge a speaker by manufacturer specs. Even Klippel measurements are mostly useless for insight into subjective performance with your system, in your room.
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I have a pair of Volti Audio Razz speakers, the best I have had…they are 7500 new but I see a couple pair on US Audiomart for 5000…
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Thanks to all who have responded so far.
My thinking is that Sensitivity + Impedance + Phase angle = Efficiency. My understanding of these factors are not complete.
The way I view this, sensitivity has much to do about how loud a speaker will play into a room of a given size. I consider 92dB to be on the high end of the mid, or low end of the high range, for this spec. I should have stated 'at least 92db'. Impedance and phase angle have much to do about how much power is required by an amplifier to drive a speaker to reach the desired loudness within said room.
I am searching for speakers that would make a lesser demand on a power amplifier than that of my Fritz speakers, which I do consider an easy load.
I will search out the Reference 3a mm de Capo and the Living Voice speakers. I seen mention of both on this forum, however have not heard either.
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Zu Audio Soul 6 used will fit.
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94dB, Living Voice start at about that price - an extremely engaging sound that makes me want to keep listening. No idea of the cost in the USA but that are well worth a try if you can. As ever, your taste, your equipment, your room.
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It's amazing that so many people, some of them supposedly audiophiles, don't grasp that speaker sensitivity is simply how loud they'll play with 1 watt of power. Also, 91-92 is considered the low end of high sensitivity. Look it up.
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GR Research is all you need
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Why 92dB?
You’re better off choosing a speaker by how it sounds in your room rather than any spec.
IME, most speakers with over 90dB sensitivity have significant drawbacks in other areas, such as low maximum output or very truncated bass extension.
The Fritz speakers are a pretty easy load for most amps and your room is fairly small.
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Well, I agree that 91dB is not that sensitive, however coupled with a flat 80hm speaker with a rather narrow phase angle makes for a pretty efficient speaker to my thinking.
What I failed to do was describe my listening environment. Basically a dedicated room treated to my liking that has the volume of a ~12x15' roo
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The Reference 3a mm de Capo meets those specs, and they are excellent performers. If you’re open to used you could step up to the Taksim tower model. Best of luck.
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Only 92db?? That’s not very efficient at all.
Try these very audiophile speakers. Put them on your highest fidelity dacs and amps.
Yamaha CZR-12, Price: ~2k/pair
Sensitivity 1W/1m: 97 db (passive)
8 ohm
Pioneer XY-122, Price ~6k/pair, but, you could beat it down to 5k with the dealer
Sensitivity: 101 db
8 ohm
Specifically I am searching for those speakers possessing a relatively flat 8ohm impedance curve and a true (8ohm) 92db sensitivity that are at a cost of $5000 USD.
I currently own Fritz Carbon 7s SE MK2.
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I would think Tekton is capable of squeezing into that suit.
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As a follow up, I should have stated approximately $5000.
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