Correct, i can say most of full range drivers got dip in lower mid ----upper base 150-300 Hz that causes tiny sound .
Single driver vs traditional 3 way loudspeakers
What you prefer , single driver , no crossover, full range loudspeakers powered by low power SAT or traditional 2-3 way design ?
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The db/fq chart does have some value. I know/ can understand that a chart with too many peaks/dips and the size of each dip/peak, does equate to either superior sound or equates to midrange stress aka distortion, coloration, = aka The Dreaded Mionster n who goes by the name Monster Fatigue. The davidlouis W4 has a very nice clean relatively smooth chart, vs the Dayton W3 from parts Express DavidLouis W4 @ $175/pr vs DaytonW3 @ $60/pr. Here is the Tang Band W3 1878 chart. Nearly identical to the DavidLouis W4., except the DL W4 has big roll off on highs. I can just tell from looking at this chart this speaker sounds super fidelity. Which is why TB has it priced correctly. $130/each. Their W4 with special PP fetches $230 EACH!!! TB1878 chart. No roll off past 20khz!!! that entire chart looks gorgeous. The thing is hitting 60hz’s @ 80db,, UNREALLLL http://www.tb-speaker.com/products/w3-1878 |
ok just found the chart for the DavidLouis W4. Might be back in stock, not sure anywayy db/fq chart shows very poor behavior. Dips and peaks all over and has the highs extended past 20khz. In my ststem the highs seem rolled off at 12khz,, So this proves charts are not not that helpful/ With a chart like this, I would believe the speaker has stressed/distorted mids. Which it does not. Mids have no stress, clean, clear and good bass, at 80hz shows 85db = valid, not hyped. I have no idea which is the superior speaker DLW4 Nd or TBW31878 Nd (pill type magnet) Both will have a home in my system. https://www.aliexpress.com/i/32808654531.html |
Interesting I recall a ONKYO amp I had back in the 80's had a built in 5 level EQ. I liked playing with it. I just ran all EQ's all the way up except the middle eq. I'm not that interested in the EQ test, although as you say might show some weakness. You might find usage as you design and build for customers. I'm pretty happy with the 2 DL's, and am sure the additon of the Tang band W3 will also add some nice charms. I knid of ... you know what,,,In fact what you are saying has some truth...The DLVX8 all by iteslf is quite livable, I have no issues with it as a stand alone speaker But thought, since I have the DLW4 just sitting in the closet,,why not see what happens along with the DLVX8. BINGO,,the EQ's missing in the DLVX8 were padded by the EQ's in the DLW4. Diana Kralls voice just came to life. Apparently whatever EQ's were weak in the DLVX8 were padded by the EQ's in the W4. No speaker is perfect flat response. |
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