Music – Tidal – Julio Iglesias – Mexico – Released 5/8/2020. You get a switchable phono stage, a headphone output and even tone controls. Parasound's 7.5-channel surround controller has finally landed. 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). The frequency response is down 0.2 dB at 20 kHz, on spec. Still insignificant. Our well-regarded and popular NewClassic 200 Integrated amplifier uses a Pascal module and has received extensive critical acclaim. The overall construction is atypical and extremely expensive to do. Good for life, I think. Looking at the complexity of these cables, I can see why they are expensive. For audio systems where the source and amplifier stack are in between the speakers, you would probably be using two of the 6 foot cables, at about $4,000 for the pair. At first look the Parasound Halo A 51 is an appealing and robust amplifier accented by brushed metal finish. So I asked John Curl and he called the brilliant microwave engineer in Silicon Valley with whom he co-invented Bybee Music Rails. For you youngsters, John Curl has been designing high-end gear since the early 1970s, including the classic Mark Levinson JC-2 and Dennesen JC-80 preamplifiers, the much-revered Vendetta phono preamplifier, and lots of electronic gear for the Grateful Dead. I have several sets of audiophile-grade cable that I have used over the years, and I obtained a set of Clarus Crimson speaker cable. Toward the end of this review, I received the new Parasound Halo P6 preamp that will solve this woe. All of these musicians were stars in their own right. It can also … Instead of physically making products, NAD hired a project team in one location to design a product that was then built at a sub-contracted factory located elsewhere. You have asked some interesting questions. The direct-coupled design uses a fast-acting DC servo circuit to keep DC from ever reaching the output. It has brought prices down and quality up—mostly in the low and middle segments of the high-end audio and video markets. 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. Can you clarify? Curl describes the JC 1 as an outgrowth of his Parasound HCA-2200 from 1997. You might recall the stylish floor-standing Revox tape deck announced in 2017, then cancelled because it wouldn’t make economic sense for them. The sound is exemplary and reflects its … By ultra-high-end standards, $6000 is not a lot for a pair of monoblocks amplifiers, but it's a big enough step upmarket for Parasound that the new Halo moniker distinguishes the line from other Parasound products. The foil is made from round conductors that are flattened between rollers, then run through an extrusion line to add the insulation. The sound is exemplary. That’s their business model. You can choose RCA or XLR inputs, pass-through an input to a second amplifier such as a subwoofer, time the power-on (Turn On Options) so that not all the amplifiers are turned on at exactly the same time (to keep from blowing a fuse in your circuit breaker), select lower gain to reduce noise, select lower Class A bias for more power, and activate the auto-on trigger which powers on the amplifier when it receives a preamplifier signal. Separate power supplies for the input, driver, and output sections are said to make the JC 1 totally immune from AC-line voltage fluctuations. Right on spec. This is evident by the … In this case, I would recommend getting a 50 foot or 100 foot roll of 12 gauge stranded speaker cable from Monoprice (, If you want something that is ready to go (for mass market receivers), and not generic, then consider something like these (, Twenty Volts output into 8 Ohms (50 watts). Using 10 kHz and 4 Ohms, distortion was higher overall, and clipping was at 760 Watts. Here is their answer: The patented design and construction of Clarus Cables are unique requiring sophisticated engineering and manufacturing equipment. RS: The manufacture of FETs is a totally different process than bi-polar devices. The bass in this album is intense. Aesthetically, Parasound says the front panel not only matches the updated Halo family appearance, but also complements “the inner beauty” of the JC1+. Parasound … Parasound JC1. So, it is not just the ability to drive any speaker on the planet. So, this is an interesting new set of tests (THD+N vs. Power at different frequencies). One of the special shapes is the spiral ribbon conductor. Increasing the output to 20 Volts produced seven peaks on either side, at 8 Ohms. THD+N vs. Power Output usually is tested only with a 1 kHz sine wave. You mention that the JC 1+ uses a cascode driver circuit because it has higher input impedance and higher output impedance. Even at idle, the JC 1 puts out plenty of heat, so ample ventilation is critical. Couldn't help but notice the recent sale Audio Advisor had on the black color edition of the Parasound JC-2 preamps. ALL B-stock items are all professionally inspected by Parasound technicians and, most importantly, ALL B-Stock products contain the exact same FULL Parasound … It takes the outsourcing concept way upscale while keeping the amplifier's price down to a remarkable $3000 each. I found a, Note that such cables are for high-end products (amplifiers and speakers). This is due to excellence in recording, careful remastering, and, of course, having a good audio system to listen with. 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. 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. This poses a real challenge to our supply chain management. I asked Richard Schram some questions in general about the future of A/V, but also specifically about the JC 1+. are reproduced as such by the JC 1+. This part of my job brings me enormous pleasure and satisfaction. Clarus cables are built in the USA rather than overseas. Observable harmonics went out to 17th order. In this case, I would recommend getting a 50 foot or 100 foot roll of 12 gauge stranded speaker cable from Monoprice (https://www.monoprice.com/product?p_id=2747) and some banana plugs (https://www.monoprice.com/product?p_id=9436) or spade connectors (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) (you will have to solder spade lugs to the cable). Keep track of using the red banana plug for one side (either + or -) for both ends of the cable. 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. And, I don’t have to worry about cheap cables shorting out my power amplifiers that cost tens of thousands of dollars. First, hats off to Parasound for not bowing to convention and badging its new, hot-rodded version of the original JC 3 phonostage with the shop-worn cliché “Reference” or “Signature Edition.” And second, and more importantly, if you’re a current owner of the Parasound … They celebrate their 40th year, next year, in 2021. IMD at 5 Volts output into 8 Ohms was 0.0049%. But Pascal’s rating of 1500w 8 ohms, 2500w 4 ohms and only 600w 2 ohms revealed a very different objective. It is a decades-old lament that our industry hasn’t found a way to make superb musical reproduction equipment compelling for young people. And they get hot too, as does the top of the chassis! The output stage supplies current, for which John Curl specifies bi-polar devices. 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. Music – The Beauty that Still Remains – 2L Norway – 2020. Then, all the conductors are run individually through an extrusion line to add the PE insulation that covers every conductor. 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. ... the JC1 is a definite step up. 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. This is because the amplifier was getting hot. by John E. Johnson, Jr. | Jun 5, 2020 | Product Review. THD+N vs. Power Output, at 8 Ohms, is shown below. I didn’t want to have the left channel the same length (20 feet) which would have necessitated coiling it up behind the speaker. They are similar to Crimson but have smaller conductors. The JC1 comes standard with rear-mounted rack handles, as well as a full rack-mounting kit, and features Parasound… 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 has long been admired for their preamplifiers and power amplifiers. This makes for a complex waveform. Parasound tries to create extremely solid designs that last for years as opposed to updates and tweaks every year. As such, Clarus Cables represent an excellent value for consumers wishing to improve their system’s performance. At 20 Volts, 8 Ohms, IMD increased to 0.0204%. A switch on the rear allows users to drop class-A operation down to 10W for placement in tight spaces. I imagine there are new capacitors that sound as good, but I don’t blame Parasound with sticking to what works for them. It’s not the same as purchasing transistors, capacitors, resistors, and other parts that are already manufactured. 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. I felt the “keep it simpler” approach was inconsistent with our values and not sufficiently forward looking. It has enough power (450 watts RMS into 8 Ohms) to drive any speaker, and the parts quality is a statement on its own. They had a very clean sound without harshness. The JC 1 has much larger heatsinks, twice the power supply, better internal componentry and layout, and its range of operation in class-A has been extended to 25W, which should be enough to keep it from class-AB operation on all but the most demanding musical passages. If you have relatively inexpensive mass-market receiver and speakers, then such cables would not be appropriate. 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. Here is the cable attached to a Sonus faber Lilium speaker. The B-A peak at 1 kHz, 20 Volts, 4 Ohms, 19 kHz and 20 kHz sine waves. Some were digitally remastered, and this is probably because the master analog tapes were in poor condition. That, I think, is because analog tape often had a bass bump between 50 Hz and 100 Hz. Piano is another difficult instrument to reproduce, but not because of a prevalence of distortion. I think Class D has already won the war for a number of reasons. If you want something that is ready to go (for mass market receivers), and not generic, then consider something like these (https://www.audioadvisor.com/prodinfo.asp?number=AQT8NF&opt=1176|1189|1196|1201), or these (https://www.audioadvisor.com/prodinfo.asp?number=KK4TC&opt=6440|392|398|404) for the front left and right channels. I know, I know, that is a lot of money for a speaker cable, but it sure is not going to short out and pop my power amplifier protection circuit. There are harmonics of the B-A peak at 2 kHz, 3 kHz, and 5 kHz. Twenty Volts output into 8 Ohms (50 watts). So, that is what I did. The many complex and time-consuming steps require a considerable amount of labor. The JC 1+ is even more powerful, at 450 watts. They can be switched out of the signal path when not needed, giving a slightly clearer sound. Yes. That is very important to a relaxing music listening experience. Dynamic, clarity, detail. The resultant original Parasound Halo JC 1 was a collaborative design of the highest order. Parasound Halo A23 Stereo Amplifier Review In light of our slow shift toward two channel audio (no, we are not abandoning personal audio), I decided it would be a good idea to start with something basic, like a stereo amplifier. Some will survive until the start-up money runs out. The power supply transformer is now 2.1 kVA (2,100 watts), which is important when you consider that, at 2 Ohms, the JC 1+ can deliver 1,200 watts (if you have them both plugged into the same 20 ampere 120 V AC circuit, it may trigger the circuit breaker – now that’s my kind of power). This is not the Parasound’s fault. I would suggest that you get the cables with spade connectors for a more permanent attachment. The physical plant is a handsome chunk of gleaming, heavy-gauge aluminum fitted with large heatsinks on either side. "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. But that is realized primarily by people who have the means to spend vast amounts of money and are willing to live with the intrusion of very large speakers and bulky speaker wire, etc. The JC 1+ is even more powerful, at 450 watts. That is normal. The front panel design not only matches the updated Halo family appearance, but also complements the inner beauty of the JC1+. But, better to have them go through a digital intermediate than not to have them at all. Now that 8K flat panel TVs are here, will they be a passing fad or will they become the norm, which includes significant content? Approaching our 40. The cable became defective and shorted out my power amplifier. Every part of a Clarus Cable is unique – there are no off-the-shelf components in the manufacturing. It has the Schola Sanctae Sunnivae Girls’ Choir from Trondheim, founded in 1992. According to a blurb by John Curl that accompanies the amp, the design is "based on a complementary differential J-FET input stage followed by two stages of selected push-pull MOSFETs ultimately driving nine pairs of the most powerful complementary bipolar power transistors that are available today.". One of the most important of the Parasound’s capabilities is in dynamics. I decided that I would never use such cable again. Track 21 is particularly gorgeous. The difference between the 2nd ordered harmonic and the 3rd was reduced to about 5 dB. It clips (1%) at 450 Watts RMS. This album has Lee Morgan on trumpet, Benny Golson on tenor sax, Bobby Timmons on piano, and Art Blakey on drums. Outer jacket next, a headphone output and even tone controls, 3 kHz, spec... 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Took up … the resultant original Parasound Halo JC 1 was warmly received and enjoyed a very different.... Case, i don ’ t have to make superb musical reproduction compelling... That would have produced induction ( like a transformer coil ) parade of human emotions, do n't about. This case, i can see why they are mostly very high frequencies ( above 40 )!
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