Audiophilepure

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Nothing I’ve ever had the privilege of lifting the cover on in the audio world is built to this standard. This is what gives Boulder products the highest secondary market value of anything going – if you can even find them used. I’m sure people that trade Boulder in for something else are out there, but every Boulder owner I’ve encountered has only traded up. It’s rarely if ever for sale used, and I’ve never heard of one that has malfunctioned. I don’t even recall seeing a service area when I visited the factory, but I’m sure it’s there somewhere.”

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‘I won’t load this review with more specs, and additional detail that’s already available regarding David Berning’s patented ZOTL circuits. Briefly, and at its most basic, the ZOTL circuit functions without the output transformers that the majority of classic tube amp circuits require. First, and somewhat like a radio transmitter and receiver, the audio signal rides a carrier signal, which is amplified by the tubes, then the carrier is dropped at the output. In place of output transformers, the ZOTL circuit utilizes impedance converters that handle the output and impedance matching for the amplifier/loudspeaker pairing. This allows LTA to avoid compromises to sonics that many output transformers present, and as I hear it, delivers more of the tube to listeners.”

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“During the evaluation period of a couple of months, I tried to find fault in the MC312, but I simply couldn’t. McIntosh has succeeded in engineering one of the finest stereo amplifiers for under $10k that you can purchase today. It is literally as much or more of an amplifier that one could ever want or need, and it may even be the last one that you’ll ever wish to buy!”

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“I enjoyed listening to my music with the Legacy Powerbloc2. It had finesse and muscle, imaging was excellent, and it had complete control of my speakers, allowing me to hear what they can do without the need for EQ or a subwoofer. Because ICEpower runs cool, thermal shock and heat are eliminated which should add years of life to this well-built dynamo. And there are no fans to pull in dust. If you need power in a tight space, the Powerbloc2 can easily fill a cozy spot in an equipment rack with less ventilation space than a Class A/B amp would need.”

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“Go a bit more audiophile fare with the Rhiannon Giddens/Francesco Turrisi collaboration There Is No Other [Nonesuch 591336-2], which combines close-recorded female vocals with lovingly-captured instruments without going all John Lewis ad on you – I told you I’d just come back from a hi-fi show – and the K-300i’s combination of focus and generosity of sound is much appreciated. Giddens’ plaintive vocals bounce off the Mediterranean/North African instrumentation on ‘Gonna Write Me A Letter’ to winning effect, the amp punching along the percussion while allowing the other instruments to soar out of the mix.

With the infectious piano jazz of Ai Kuwabara, Live At The Blue Note Tokyo [Verve UCCJ-2164; 48kHz/24-bit], the K-300i is able to demonstrate further its combination of low-end extension and speed as a platform on which music is based. It renders Kuwabara’s piano with a delightful lightness of touch, while Steve Gadd’s drums have slam and crispness and Will Lee’s grumbling bass is tight and precise. Add in a fine sense of live atmosphere – got to love that oh so polite Japanese jazz audience applause – and you have a compelling set that’s clearly right up the K-300i’s alley, so well does it deliver it.”

Read more at https://www.hifinews.com/content/krell-k-300i-integrated-ampdac-page-2#QhGkHHsgsgw1p74D.99

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”
Nothing I’ve ever had the privilege of lifting the cover on in the audio world is built to this standard. This is what gives Boulder products the highest secondary market value of anything going – if you can even find them used. I’m sure people that trade Boulder in for something else are out there, but every Boulder owner I’ve encountered has only traded up. It’s rarely if ever for sale used, and I’ve never heard of one that has malfunctioned. I don’t even recall seeing a service area when I visited the factory, but I’m sure it’s there somewhere.”

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“The Nait sounds more energetic and entertaining. It takes the multitude of musical strands in Arvo Part’s Tabula Rasa and combines them to deliver a musical and emotionally absorbing performance. Detail resolution is good, but it’s the amplifier’s ability to assemble all that information into a cohesive whole that really impresses.”

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“Just a quick note about the HDMI performance of the K-300i. In a word, it is phenomenal. Watching Mary Queen of Scots, my wife and our friend agreed, it was like we had upgraded our modest Epson projector several levels. Color saturation and detail rendition was startling as was the contrast and brightness. If you are like me and your audio system does double duty as your home theater, the upgrade in video quality alone not to mention the ease of integration is worth at least half the overall cost the K-300i.”