
Naim has long embraced two upgrade paths: the usual substitution route-replace an inferior component with a newer or better one and progressive power-unit augmentation for components already installed. Setting aside for now the former route: Among many other changes, these Naim "New Classic"-series components may be more easily combined not only with other components from Naim but with items from other audio makers. This enhanced compatibility includes Naim legacy systems: All can now be mixed and matched more easily.
Naim Audio's enduring, compact 200-series stereo power amplifier has been relaunched as the NAP 250, a key component of their new 200 Series. It has been updated massively in its technology and the compatibility of its connections, yet the primary circuit concept, which dates to the mid-1970s, is essentially unchanged. Recent development work has focused on helping the amplifier match up well with the new NSC 222 streamer-preamp, the NAP 250's intended companion.
The new 200-series power amplifier is now called, simply, NAP 250, dropping the "DR" of the previous model. But while the suffix is now omitted, the ultralow-noise DR technology has been retained in the active, fully regulated power supplies; indeed, it has been improved.
For comparison, I had to hand a very recent sample of the now superseded NAP 250 DR.
If it's not broke, fix it anyway
Over the years, I have tested several iterations of the 250. The outgoing "DR" version of the NAP 250 performed well in my recent evaluation in HiFiCritic (Vol.16 No.1). However, to better match the design and connectivity concepts envisaged for the new 200-series system, numerous operational and system changes were applied. That engineering process was allowed to run and run, resulting in a major design overhaul, sufficient to merit a fresh appraisal.
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Philharmonic Audio BMR Monitor
Let's get this out of the way: The BMR Monitor may be a monitor, but it isn't a bookshelf or desktop speaker any more than a yacht is a dinghy.

Technics SC-CX700 ACTIVE LOUDSPEAKER
The usual Specifications box (below) is a nuts-and-bolts listing of the electrical and physical properties of the Technics SC-CX700 loudspeaker, who made it and where, and a widely varying amount of information about their electrical and acoustical performance. The information comes from the included literature, available downloads, and whatever I could find on the manufacturer's website.

Youth movement
Paul Klipsch was a genius,” Roy Delgado told me recently, with the sound of genuine amazement in his voice. “Me, I’m just a tinkerer.”

The Loricraft PRC6i record cleaning machine and the WallySkater v2.1 Pro
In my last Spin Doctor column, I gave an overview of my experiences cleaning records over the last 50-plus years and the advances in record cleaning technology over that time. My review of the HumminGuru NOVA ultrasonic record cleaner focused on that increasingly popular approach to record cleaning, using ultrasonic cavitation instead of scrubbing the record with a brush. But if there’s one thing I’ve learned in that half-century of playing around with audio gear, it’s that it can be a mistake to embrace a new technology just because of its newness, dismissing what came before as obsolete. The vinyl record itself is a good example of a technology discarded as obsolete, then embraced again by new (and old) generations. You can add vacuum-tube amplifiers, analog tape, and much else in our hobby to that list.

Wattson Audio Madison LE Streamer
After it was delivered, I weighed the box containing Wattson Audio's DAC-equipped Madison LE Streamer on my bathroom scale.

Grimm Audio LS1c ACTIVE LOUDSPEAKER SYSTEM
It's not unusual for audiophiles to have fond childhood recollections of the old family stereo, but Eelco Grimm's memory of his dad's audio system probably stands alone.

Cambridge EXN100 STREAMING D/A PROCESSOR
Each soloist seemed to pop out to the front, between the two speakers (of course), their life force emerging over decades, grooves, and digital bits.

J.Sikora Standard Max Supreme, KV9 Max Zirconium
In his review of the J.Sikora Initial turntable, Stereophile's resident artist/sage Herb Reichert wrote, \"Extended bathing, lighting candles, making tea, and preparing food are ritual work forms that prepare my senses to accept both pleasure and illumination.\"

The Voxativ Hagen2 Monitor loudspeaker
I think I just found the perfect Herb speaker. It uses a hand-crafted 5\" wide-range driver with a cone made from Japanese calligraphy paper. It rolls off around 50Hz at the bottom and 30kHz at the top. It has no crossover. Its cabinet is made of MDF that responds loudly when I tap it with my fingernails. Inside is what its designer calls a “short horn,” which appears to harmlessly disperse back-cone energy while adding energy below the driver’s cutoff frequency. Mainly, though, it’s a perfect Herb speaker because it is naturally phase coherent. And sparkplug fast. And completely unmuffled.

The Beatles in Mono according to Kevin
It's almost too easy to make Dave Dexter Jr. the villain in the story of the Beatles' fumbled introduction to America.