"I've not heard any other monoblock entrant at or even close to this price that is able to recreate so many aspects of music with a more authentic voice. The sound is exemplary. Violins are difficult instruments to reproduce because they are mostly very high frequencies, and this is where a lot of distortion can occur. This is because the amplifier was getting hot. Art Blakey & the Jazz Messengers were a jazz combo from the classic jazz period of the mid 20th century. This brought out some deep “presence” that is appealing. Music – Tidal – Chopin Impromptus and Scherzos – Mao Fujita – Piano – Naxos – Released 10/16/2019. I felt the “keep it simpler” approach was inconsistent with our values and not sufficiently forward looking. Right on spec. The output stage supplies current, for which John Curl specifies bi-polar devices. The JC1 comes standard with rear-mounted rack handles, as well as a full rack-mounting kit, and features Parasound… This poses a real challenge to our supply chain management. Amplifier Reviews, Audio Reviews, Equipment Reviews Published On: December 29, 2009 Parasound Halo JC 1 Monaural Amplifier Reviewed As far as audiophile amp designers go - John Curl … The sound is exemplary and reflects its … Distortion is a few hundredths of a percent higher. It has enough power (450 watts RMS into 8 Ohms) to drive any speaker, and the parts quality is a statement on its own. It has PE fiber as the core and thin copper foil wrapped spirally around the core using special non-typical machinery. At 4 Ohms, clipping occurred at 710 Watts. ... is to review … We will look into any emerging technology that has the potential of improving performance and offering a tangible benefit to listeners. The JC 1+ is even more powerful, at 450 watts. At 1 kHz and 5 Volts into 8 Ohms. There are harmonics of the B-A peak at 2 kHz, 3 kHz, and 5 kHz. I decided that I would never use such cable again. It is because there are many notes that are being played at the same time, perhaps 10 because there are 10 fingers on two hands. 1 mono pair. This is as good an album as any for you to introduce yourself to his talent. This new disc has their typical array of resolutions and formats, including 24/192 DTS HD MA, Dolby Atmos 7.0.4 48 kHz, Auro-3D 96 kHz, SACD, and 2-channel 24/192 PCM. This is evident by the … In black or silver finish, the Halo JC 1+ will be available from authorized Parasound … When it was designed in 2000, and for many subsequent years, it was the best power amp we could build while staying within the practical boundaries that define all of our products: “We believe most Parasound customers aren’t independently wealthy.”  Our unwavering commitment to Value Engineering continues to differentiate Parasound from other brands. We had some lively discussions within Parasound about this topic in the early stage of the JC 1+ development. The overall sound is warm, almost tube-like, which I find very, very pleasant. Amplifier sale includes (10) Synergistic Research BLACK fuses, installed and original factory fuses. After 16 years of legendary reviews from their JC1 amplifier, Parasound has finally given consumers exactly what they want: Two top-of-the-line Halo JC 1 monoblock power amplifiers integrated into a single chassis that is the same size as one JC 1. The Parasound Halo JC 1—a powerful, sophisticated premium product—was designed by a team headed by audio legend John Curl, and built for Parasound by a factory in Taiwan. PARASOUND JC 1+ POWER AMPLIFIER SPECIFICATIONS. Parasound's new $2995 JC3+ is a significantly upgraded version of the already high performance original JC3 phono preamplifier, though outwardly it looks identical to the handsome original. The bass in this album is intense. The impedance is 6/20 that of the 20 foot cable, which is 10.5 mOhm (10.5 thousandths of an Ohm). We remain committed to vinyl. How could we make a product that is “ours” and differentiate it from another brand? Music – Tidal – Beethoven Violin Sonatas Nos. Its very high power (450 watts into 8 ohms) delivers a tremendous dynamic range. Note that such cables are for high-end products (amplifiers and speakers). If you have relatively inexpensive mass-market receiver and speakers, then such cables would not be appropriate. So, it is not just the ability to drive any speaker on the planet. Products that are primarily silicon-based are, by definition, subject to constant changes because the enormous manufacturers of these parts must continually innovate with new features to justify higher prices and annual reports that will satisfy their shareholders. Is there any new surround sound format coming? The front panel design not only matches the updated Halo family appearance, but also complements the inner beauty of the JC1+. Using 10 kHz and 4 Ohms, distortion was higher overall, and clipping was at 760 Watts. So, that is what I did. 1. The JC 1+ is even more powerful, at 450 watts. When, in 2014, Curl identified new opportunities for improvements that didn’t exist when the JC 1 was designed years ago, I considered it my responsibility to again build the best amplifier I could. The difference between the 2. Our business model is based on building products in which we invest heavily in R&D, with the expectation that they will remain in continuous production for many years. I chose black. Looking at the complexity of these cables, I can see why they are expensive. Familiarity with the product and manufacturer 3. RS: The manufacture of FETs is a totally different process than bi-polar devices. 1750), a light vocal or instrumental piece (e.g., the Scherzi musicali of Claudio Monteverdi, 1607), and, in the 19th century, an independent orchestral composition (https://www.britannica.com/art/scherzo). Textures and details that are glossed over in the A21 as one fat note. For the banana plugs, strip about ½” of the end of each conductor and twist the strands before unscrewing the banana plug and inserting the stripped conductor, and then retightening the plug. The Parasound Halo JC 1—a powerful, sophisticated premium product—was designed by a team headed by audio legend John Curl, and built for Parasound by a factory in Taiwan. What made you decide to design a power amplifier with no compromises of any kind? A switch on the rear allows users to drop class-A operation down to 10W for placement in tight spaces. Here is the cable attached to a Sonus faber Lilium speaker. And, I don’t have to worry about cheap cables shorting out my power amplifiers that cost tens of thousands of dollars. review of the sound of various capacitors, https://www.monoprice.com/product?p_id=2747, https://www.monoprice.com/product?p_id=9436, https://www.amazon.com/Insulated-U-Type-Connector-Electrical-Terminal/dp/B07PG1NCQZ/ref=sr_1_18?dchild=1&keywords=spade+connectors&qid=1589736054&sr=8-18, https://www.audioadvisor.com/prodinfo.asp?number=AQT8NF&opt=1176|1189|1196|1201, https://www.audioadvisor.com/prodinfo.asp?number=KK4TC&opt=6440|392|398|404. Complete List of Reference Components: OPPO BDP-105 Universal Player (4), OPPO UDP-205 Universal Player (2), VPI-HR-X Turntable with Sumiko Blackbird MC Cartridge and Sumiko Palo Santos MC Cartridge, Manley Labs Steelhead Tube Phono Preamplifier (2), Balanced Audio Technology VK-5i Pure Class A Triode (Tube) Stereo Preamplifier (Fully Balanced), Balanced Audio Technology VK-500 Solid State Stereo Power Amplifier (Fully Balanced) (250 Watts per Channel), Pass Labs Xs Preamplifier, Pass Labs Xs 300 Monoblock Power Amplifiers (2) (300 Watts/each), Lamm LL1 Signature Stereo Pure Class A Triode (Tube) Preamplifier, MartinLogan CLX Full-Range Electrostatic Speakers, Magnepan 20.7 Planar-Magnetic Speakers, Paradigm Reference Signature SUB 2 Subwoofers (2), Custom-Built Computer for Audio Analysis, Accupel HDG-3000 Digital Color Signal Generator (1080i capable), Component Video and DVI Output, ColorFacts Pro Video Test and Calibration Software, Version 6.0, Spyder Sensor, SpectraPlus Audio Analysis Software, Audio Precision SYS-2722 Spectrum Analyzer, Staco 3PN2210B-DVM 22 Ampere Variable Transformer (for adjusting line voltage to 120 volts during amplifier power output tests), Pass Labs XP-20 Stereo Preamplifier, Classé SSP-800 Surround Sound Processor, Emotiva XMC-1 Surround Sound Processor, Classé CA-5200 Five-Channel Power Amplifier (200 Watts per Channel), Pass Labs X600.8 Power Amplifiers (4) (600 Watts/Each), Audio Control Phase Coupled Activator (Sub-Harmonic Generator), Carver Platinum Mark IV Ribbon Speakers, MartinLogan Summit X Hybrid Electrostatic Speakers (2) (Rear Left/Right), MartinLogan Stage X Hybrid Electrostatic Speakers (3) (Center and Sides Left/Right), Velodyne DD-18+ Subwoofer (3), HiFiMAN HE1000 Planar Magnetic Headphones, OPPO PM-1 Planar Magnetic Headphones, OPPO HA-1 Headphone Amplifier, Bryston BUC-1 USB Converter, Sony VPL-HW55ES 1,920 x 1,080p Digital Projector, 90″ (Diagonal) Stewart Grayhawk Projection Screen, Sony 75″ UHD Flat Panel Display, Clarus Audio and Wireworld cables, Clarus Concerto Power Conditioner with Crimson Power Cable. THD+N vs. The JC 1 was powerful, at 400 watts RMS into 8 Ohms. Approaching our 40th anniversary, Parasound proves this ideal. ... the JC1 is a definite step up. The Parasound JC 1+ amplifiers did very well with this. The list goes on and on. Distortion goes down at high frequencies (above 40 kHz) because the number of harmonics that the amplifier can pass is also reduced. Below is a photo of the 20 foot cable. The arrangement allowed NAD to go into business with relatively little capital outlay and low overhead. "Parasound has chosen to take a staple core product that has remained an exceptional value for over fifteen years, the Halo A21 amplifier, and re-spin it into the Halo A21+," reports Michael Zisserson at positive-feedback.com. The overall construction is atypical and extremely expensive to do. The 5-to-1 ratio of cost to retail price that is the norm in the audio industry suggests that the "raw" cost of the JC 1 is about $600—a number almost impossible to believe, given the superb build quality and sheer heft of this powerhouse monoblock. I listened to a pair of the Parasound JC 1+ power amplifiers with a computer (PC) delivering Tidal music streaming via USB input to an OPPO UDP-205 Universal Player, a hard drive connected to the UDP-205 with my entire digital music collection stored on it, VPI-HR-X Turntable with Sumiko Palo Santos MC Phono Cartridge, Manley Labs Steelhead Phono Preamplifier, Pass Labs Xs Preamplifier. Parasound A31 Three Channel Power Amplifier Parasound Halo P 6 Preamplifier & DAC Reviewed Parasound 275 v.2 Stereo Amplifier Reviewed Parasound Halo Integrated 2.1-Channel … My answers are below, in red. One camp expressed interest in expediting a JC 1 replacement that would abandon Class AB by abandoning an enormous linear power supply and whatever R&D time was required for a 6 month development time and vastly lower cost by simply using Pascal* X-PRO1 modules. You might recall the stylish floor-standing Revox tape deck announced in 2017, then cancelled because it wouldn’t make economic sense for them. What I listen for with singing is that the sound maintains separation between the instruments and the voice. At first the JC1s seemed to have a conservative bass, but turns out, it just was more detailed. Parasound did a thorough job in writing the manual for the A21+. FETs are, in fact, high impedance devices which are superior for voltage amplification. This test uses 1 kHz. We anticipated its continuing growth and developed two new phono preamps in the past two years. 5 fuses/amplier. That is very important to a relaxing music listening experience. That’s their business model. Thompson engineered the boards, Crump chose the parts and "voiced" the finished product. The new Parasound … The cable became defective and shorted out my power amplifier. Dynamic, clarity, detail. It is worth reading cover to cover. There are is no economy of scale for tape recordings, rebuilt tape decks are hard to find and prohibitively expensive and there isn’t sufficient possibility of a return on investment for any audio manufacturer to design and manufacture tape decks. Parasound JC1. It is a decades-old lament that our industry hasn’t found a way to make superb musical reproduction equipment compelling for young people. Anyway, I am convinced that it is worth the high price to get something that is built for an audiophile system in every stage of the signal path, including the cables. I believe the primary purpose for developing and marketing an amplifier is to honor its customers in every respect the money will follow. It will allow very quiet passages and very loud passages as well, without having to change the volume control. Again, the Parasound JC 1+ amplifiers distinguished themselves. Rear-panel fittings include balanced and single-ended inputs, two sets of five-way binding-post outputs, a ground "lift" switch for when there are hum problems, and a bias-level switch allowing for reduced bias current, and thus cooler operation if needed. I am concerned about what I call the “over-democratization” of Class D. Anyone can purchase an excellent Class D module, slap on their “special” input stage and bring an amp to market. We like and respect Pascal’s products and staff. It takes the … I'm sure it's possible to build a quieter preamplifier/amplifier (Parasound also makes the $11,000 JC2/JC1/JC1), but I'm not sure the improvement would be audible. This album has Lee Morgan on trumpet, Benny Golson on tenor sax, Bobby Timmons on piano, and Art Blakey on drums. 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