Hi-Fi News December 2018. There's no where I can go to listen to all the different amp options with a specific speaker model. = 27 kg)--especially if you … NAD M22 is a pretty good, powerful amp ........ Why you want to change it? Oh, one other thing- Regarding the Audio Research MP-1: The IC's that are in the unit can be replaced with more modern ones for much less hiss and self-noise. I'm curious about the overwhelming silence on the DRs. Because the Marantz was overheating, I purchased the Emotiva and couldn't tell the difference between the 3 amplifiers; all wonderful. The component under review, the $2000 Halo A 21 stereo amp, is slotted in further down the Parasound line. FS: Parasound Halo P5 2.1 Preamp w/ DAC , Yamaha C-4 Vintage Preamp: Audio Equipment For Sale: 0: Nov 28, 2020: P: Should I add a DAC for Node2i + Parasound A21 + KEF LS50 setup? None of these sounded nearly as good as the SR. TEAC connects to the A21+ using a set of AudioQuest Earth XLR cables. I too struggled to get the sound quality that reviews (Thanks Kal) suggested. Halo products have consistently been praised by Stereophile and, over the years, their circuits and technologies have migrated into other Parasound products. • Channel separation at 20kHz has been increased from 63dB to 70dB. Thanks, looks interesting...can't find any reviews. I no longer have the Revel Performa F228Be but I bought a pair of the Revel Performa3 F206 speakers for surround channels, primarily. These being mature technologies, particularly for traditional-technologies amps, new power amplifiers inevitably compete with their predecessors as well as with their contemporaries. So: After the Halo A 21's 15 years in the marketplace, what has Parasound done to transform it into the A 21+? For a couple months I ran the A21 with the Marantz 7702 pre/pro. Across the top are two sets of connectors and controls, one per channel, with a bridged mono switch between them. I recently upgraded from Marantz 7702 and their MM7025. Parasound Products was founded in 1981, in San Francisco, by Richard Schram, whose mission was to provide value for the money to his customers. Is it that much better? Tell me if I'm wrong... How much does my sound "suffer" by using a $2000 Marantz integrated amp/receiver or an Emotiva amp? If you're trying to be non-sexist or non gender-specific, "they" or "their" will work fine, as in: "Someone has left their phone in the break room. It sounded good but I wanted to upgrade another step and bought a Parasound JC-2BP. Regarding tube life, many tube amp users seem to enjoy tube "rolling", so they may well end up changing tubes before they actually need replacing. Parasound Halo, ZoneMaster, Z Custom, and NewClassic are four distinct product families. With the e38 directly connected to the A 21+, there was no audible noise from the system unless my ear was practically touching the tweeter of one of the Revel Ultima Studio2 loudspeakers. . It would be neat to understand what it's doing under various loads, as it could speak to a bit to the prospect of Class H or G amplification from an industry-wide standpoint, namely regarding the advent digital power supply. This is a review and detailed measurements of Parasound Zdac v.2 DAC and headphone amplifier. (One can still search for the original re-printed review though.) Fig.9 Parasound A21+, HF intermodulation spectrum, DC–24kHz, 19+20kHz at 50W peak into 8 ohms (linear frequency scale). Dunno. I currently own 4 x parasound amplifiers, a21, a31, a23 x2. Greater overall capacity with the monos, obviously. I don’t know where you are located but AudioAdvisor is a US online dealer for both Bryston and Parasound. The Pragmatists at Parasound chose to re-spin the A21 amplifier into the A21+. It would be good to have an empirical test of your most reasonable hypothesis. Overall Rating: 5/5 Stars - Ken Stein and Steve Dellasala Luister (Netherlands), November 2003 Their stuff used to look low-rent with the separate endcaps and folded metal faceplate, but adding the gold strip gives a purpose to the endcaps and a nice sense of detail to the face. Me, personally? Amps still do the heavy lifting, and that includes today's popular class-A, class-AB, and class-D power amplifiers, none of which involve any digital operations. (These figures include the series impedance of 6' of loudspeaker cable.) After many years I'm getting back into quality audio. While overall you appeared to be impressed with the AHB2, you reported that it did not mate well with certain speakers. I will be using a Peachtree Decco as a preamp/DAC. Selected the A21+ based on Kal’s review of the F228Be’s. well done. 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