Amazed I'm still alive!
So, how do they sound? That is a gorgeous pair of speakers that I had no idea even existed. What a find. What a price!
The speaker as a whole performs really well. The drivers work well together and you don't hear a dominance by any single set, like too much midrange or bass. The tweeter is smooth too, with no harshness, though some material, it's good to play with the EQ just a bit.
It doesn't take much to drive them. A 12 watt tube amp drives both pair to pretty loud levels. Substituting an SS amp just gives them more 'umph'! The EV Sentry III's are 'Permanent Hearing Damage' speakers and they will go that loud and then some! If your musical tastes go to the heavy end of the musical spectrum (Metallica, Avenged Sevenfold, etc), you will get a beating from these and they will still sound crystal clear and clean!
At our shop on a Sunday (industrial neighborhood) we had them cranked up with a 200 WPC Perreaux MOSFET amplifier and you could feel the metal bodies vibrating on Chevy pickup trucks parked 50 feet away! They could be heard two to three blocks away! The people on the other side of the building thought it was a live band! They're that good!
PS: Factory specs have 500 watts producting 114 db of SPL or Sound Pressure Level!
That extrapolates down to 87db/w/m. Seems low.
Very nice find and congrats on recognizing what they were before you grabbed them.
That mid horn is a great horn. I have two of them. One of my favorites as it is so nicely damped. They sell pretty cheap on Ebay and I don't know why. Most people seem to dismiss them for some reason. I just don't think many have used them or know how nice they are. My only experience with them is with a EV 1824m driver but it sounded great. Very subdued but loud enough as well. Just perfect as a Khorn replacement.With an adapter other drivers could be used. Those little ledges molded into the horn were to mount the tweeter there. The same tweeter you have there. EV made that horn in different thicknesses as well. I'm not sure why but maybe they were just made a different times in different molds. Some didn't have the mounting rim molded onto them. Those ones appeared on the sentry PA speakers and some other EV PA speakers. I have some old brochures showing them on PA stuff with no lip on them
The tweeter is nice as well. I have two of those too.
PS: clmrt, I pulled this from the EV Sentry III Specifications, specifically, the factory brochure.To answer "That extrapolates down to 87db/w/m. Seems low."
I pulled the info from the factory specs for the "Amplifier Power Requirements"
Medium Level (85 db SPL) = .65 watt
Loud Level (95 db SPL) 6.5 watts
Very Loud Level (105 db SPL) 65 watts
Maximum Level (114 db SPL) 500 watts
This is for the Continous Average at 6 ohms, for the following Average Sound Pressure Levels, Mid-Band in the Reverberant Field of a Typical Living Room (3,000 cu ft, R = 100) with Peaks 10 db above Average. (Long Term Average Power Capacity not to be exceeded).
Long-Term Average Power Handling Capacity 40 to 10 khz = 50 Watts
Short-Term Power Handling Capacity (10 milliseconds) 40 to 10 khz = 500 Watts.
Hope this helps
Man, I haven't seen a pair of speakers in YEARS that piqued my interest like these do. I have a pair of Altec 9846-8As that I've owned for 20 years now. I power them with a McIntosh MC2300, and used a pair strapped on them for a few years. I'll be keeping my eye out for a pair of these to come up for sale in the Phoenix area.
Peruse Craigslist every day, as I do and you might just stumble on a pair. I use the terms "EV", Electro Voice (with a space) and Electrovoice, without the space. Also, I use the term "Sentry" just by itself and you will get a lot of firearm safes and alarms, you'll also stumble upon the term too.
Finally, I think the Interface "D"'s are certainly worth a look too. They just look like bad-a55 speakers!!!
I have a pair that I rcvd without drivers except for the midhorns & 1823M cd drivers.
I figure I might redesign it with a different 15" option and maybe 2404 baby-cheeks tweeters!
One of these days when I finish other projects ahead of it since they are large and heavy and take up too much room in the house right now, they can sit in the garage until then!
JBL Pro for home use!
My impression was that these speakers have quite a bit of potential. Throughout my listening, I heard a few things that pointed to the fact that the crossover networks may benefit from some fresh components so I don't feel this pair lived up to their full capabilities. I would also like to hear them with McIntosh amplification. Regardless, I heard many of the same things I've often heard with three-way horn speakers, like those from Klipsch. Generally speaking, these ears still prefer a two-way horn loaded speaker with a 500 cycle horn, but I believe the EV would be a fun speaker to restore and enjoy. I believe I could easily live with a pair.
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