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Here's what I was able to find on Google: 707 r600 r700
It's a pity that Polk themselves don't publish any measurements for their speakers. Maybe they're ashamed of how they perform and think they'd sell less if customers knew?
Here's what I was able to find on Google: 707 r600 r700
It's a pity that Polk themselves don't publish any measurements for their speakers. Maybe they're ashamed of how they perform and think they'd sell less if customers knew?
Hard to tell as the measurements are limited in both scope and quality, plus they're all from different sources, created with different methods under different circumstances, making comparisons very difficult.
I'll say that the r600 measurements show pretty bad frequency response and directivity.
I have a pair of Polk R700s. TBH, i think their soundstaging or imaging is just okay. Placement is critical for the best imaging. I followed the L.O.T.S. Loudspeaker Optimization Techniques for Soundstage! video on YouTube and noticed an improvement is the image. But amplification makes a really big impact on the image. I currently am using a Chinese-made Muzishare X7 Tube Integrated Amplifier to drive the Polks. The amplifier sounds pretty good but when I replaced the six coupling caps with audiophile-grade Mundorf Supreme Silver Gold Oil caps, there was a big improvement in the sound. There was a decent sense of depth but focus was immensely improved.
I understand using the same caps in the crossover of the Polks would also make a substantial improvement in the image. You cannot underestimate the improvement in sound when using true high end caps in the system. The problem is that manufacturers use medium-grade or worse in their designs to cut costs. The six caps for my amp set me back $340. There is no way you will find expensive caps in a speaker unless it is a high-end design.
I am trying to replace the crossover caps in my Polk R700 but am stuck trying to figure out on how to remove the outer ring surrounding the R700 woofers to access the crossover. The best imaging in a stereo was when I was in Osaka, Japan in an audio shop. It was with a Luxman tube amplifier driving a pair of $25,000 JBL Everest speakers. The image filled the front wall with a true 3D holographic soundstage. You could pinpoint the singer and instruments in all dimensions. Some instruments were life-sized six feet behind the singer and there was a distinct focus on each source. It was truly amazing. My guess is that the expensive JBL used really high-end caps to reproduce the sound.
Anyway, if anyone knows how to remove the bezel on the Polks, let me know.
Here's what I was able to find on Google: 707 r600 r700
It's a pity that Polk themselves don't publish any measurements for their speakers. Maybe they're ashamed of how they perform and think they'd sell less if customers knew?
Funnily enough we have spins for the R500 and R700 courtesy of Erin now, and their FR is actually pretty dang good. Directivities seem fine enough also, although the ring radiator tweeter beams heavily at high frequencies as expected. Worst aspect seems to be oddly high IMD in the mid-range.
Not nearly as bad as @staticV3 thought. Though of course one can do better in that price bracket.