Combining both surface mount and through hole components on the same printed circuit board assemblies can certainly be done, but it costs more. But to the point here, while Richard Schram, President and CEO of Parasound Products, Inc, established the Parasound brand in September 1981, John Curl has been working on Parasound product design since 1989. Current amplification is a single Parasound A21, in stereo mode. Yet it’s nowhere to be found in the review. By 1973, the year I graduated High School, the founder of another soon-to-be-renowned company, Mark Levinson Audio Systems, commissioned him to build a new preamplifier, the JC-2, which caught the attention of a lot of ears when it hit the market in 1975. So, in Australia, if some one wants to buy an Aston Martin Vanquish or Lamborghini Aventador with V12 engines, that would cost them both kidneys, both lungs and both testicles :-) ....... And if you want the Veneno Roadster, your body and soul is the price. It’s easy to see why this Parasound has its set of loyal followers. Parasound Halo JC 1 Monoblock Amplifier High value at a low(ish) price! £2,499.99. They are worth the price." Features, Features, Features . 1 mono pair. At first the JC1s seemed to have a conservative bass, but turns out, it just was more detailed. The JC 5 is a 400-watt per channel stereo amplifier designed by John Curl that combines design elements of two top-of-the-line Halo JC 1 monoblock power amplifiers into a single chassis the same size as one JC 1. As the JC 1+ operates in class-A up to 25W into 8 ohms when its bias is set to Normal, it runs hot. https://content.kemet.com/datasheets/KEM_A4029_ALC10S.pdf Likewise, for resistors, unless perhaps you're in the business of building test equipment. It's hard, again especially for P-channel devices. ... is that many (small-signal, and even medium power) devices, that were once available in leaded/through-hole packages, may now only be produced in surface-mount packages. Maybe that's not paranoia - just being realistic. Familiarity with the product and manufacturer 3. https://www.analog.com/cpsearch/crossreferencesearch.aspx John saw this as the perfect opportunity to show what his designs could really deliver, as well as making a definitive statement as to how he felt he had been treated at Mark Levinson Audio Systems. Probably better than any other $17k amp/s around. an often prolonged series of retaliatory, vengeful, or hostile acts, or exchange of such acts. Today's JC 1+ offers 450 watts into 8 ohms, 850 watts into 4 ohms, and 1300 watts into 2 ohms! Their ability to convey bass weight and slam, to render concussive impact while remaining extremely detailed and articulate was exceptional. ROHM once made fabulous bipolar transistors, with exceptionally low base spreading resistance, that were ideal for a moving-coil cartridge phono preamp. Over the years, John has worked closely with other conscientious designers, notably Carl Thompson and Bob Crump, who routinely worked together and were known collectively as CTC Builders (Curl, Thompson, Crump). At 83lb, the JC 1+ is 30% heavier than the JC 1. If they are, indeed, truly "great/legendary", shouldn't it be well within their capability to develop an alternate design that uses more readily available devices? Industry leaders who have visited, including Leif Swanson (Chief Designer for Von Schweikert Audio), Benno Baun Meldgaard (Chief Designer for Denmark’s Raidho and GamuT), Bill Parish (GTT Audio), Dick Diamond (YG Acoustics), and Philip O'Hanlon (On A Higher Note) to name a few, have all commented on how remarkably good sounding my room is, with no audible loading. 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