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Accuracy and Pleasing Sound? Yes, But There's a Price to Be Paid.
The Klein + Hummel O 300 is one of the nicest studio monitors I've heard: You have to jump to larger models, audiophile makers, or masteringgrade speakers for better performance. The horizontal design is smart. And combined with a proprietary wave guide implementation, the O 300s produce an accurate sweet spot in nearly any production environment.
The speaker is an active 3-way model fabricated from premium materials. The 8" woofer is lightweight polypropylene; the midrange comes from a 3" treated fabric dome, and the high-frequency driver is a combination of titanium (for accurate transient response) and fabric (for smoothness). All drivers are magnetically shielded. The horizontal form makes it easy to get your ears at tweeter level, though K+H tells us that doing so narrows the sweet spot significantly. (Note to speaker makers: Engineers want horizontally-capable monitors. Meter bridges and speaker stands are often too high to get tweeters at ear level without tilting speakers down, leading to comb filtering.)
Each of the drivers has its own amp with high quality crossovers - critical for proper phase and frequency response. We noticed...