Apr 26, 2016 the sugden a21a pure class a integrated amplifier has a lineage stretching back almost 50 years. The original a21 amplifier first appeared in 1968 and was marketed by richard allan hfn apr 11. Listening to dexter gordons classic, go through the sugden a21 actually the a21se signature, but i dont want to keep writing that and my quad 2812s is positively heavenly, with all the tone, texture, and dynamics id ever need. Does anyone have or can anyone point me in the direction of a sugden a21a schematic please. But what the sugden a21 series two had, which will keep lucky owners from ever letting go of. According to your description its most likely a bad solder joint, as it happens when the amp warms up. Sugden s a21se is a direct successor to the a21 pater familias of yore and thus the most current incarnation of four decades of evolution and refinements. Jungson ja199c class a prepower amplification sold items. It was a very special amplifier with a singleended class a output configuration and current feedback.
Following on from the development of the masterclass fpa4 and sapphire, sugden recognised the potential of utilising some of this technology in the a21se and created the sugden. Technics sp10 turntable service instruction owner manuals on cdr sp10. Sugden audio a21se signature pure class a line amplifier. Sugden a21 series 2 amplifier lab report hifi news. Sugden a21a integrated amplifier, a direct descendant of the a21 series two, still manufactured in west yorkshire and still as unrelentingly british as. The original sugden a21 appeared before the end of 1968, and by mid1969 around 500 had been sold. Sugden a21se signature integrated amplifier hifi class a. Oct 24, 2017 a practical manual for the discovery and exploration of high fidelity, which will make reading other books easier. The sugden a21se signature amplifier is available for demonstration in our hull store. Sugden audio a21a signature pure class a integrated. They are built like tanks, the power amp itself weighs in at 26kgs. Dec 01, 2017 as a comparatively inexpensive class a design, the sugden a21 can therefore be considered unusual.
View and download sugden a21se signature manual online. The first amp we tried was about the same price as the sugden, a21 signature, the two amps were considerably more expensive, with the spendor a6r speakers the sugden was the most engaging foot tapping of all the amps we tried,the sound was crisp clear, wonderful detail and the best bass of all, the sound stage and stereo imaging was good and. Download the sugden a21mk2 manuals for free hifi manuals. Sugden manuals, schematics and brochures hifi manuals.
In 1967 james edward sugden designed and produced the worlds first commercially available solid state pure class a amplifier the a21. But because i got a benchmark dac1 2 weeks ago what kind of makes the sugden redundant the benchmark has a volume control meaning a straight power amp can only improve the system. According to their website, the original a21 was the worlds first commercial production pure class a transistor amplifier. I wouldnt be selling this but i need an amp that can drive my new speakers. Disclaimer brand names and product names are the property of their respective owners.
A testement to the quality of the sugden though is the fact im searching for a used power amp version of the a21a the a21p. Sugden a21se signature integrated amplifier brian and. Sugden a21se signature manual pdf download manualslib. Sugden a21se signature amplifier trade in available. Service manuals, schematics, eproms for electrical technicians. Was serviced around 4 years ago at sugden great to deal with had around 10 hours use since. Complete with heat sinks on both sides to help dispel the heat that class a amplification generates, it brings back a flood of wonderful memories of system past.
Offering pure class a single ended voltage rail operation, the sound remains distinctively sugden. Sugden r21 service manual download, schematics, eeprom. Neophonics is the sugden audio distributor in australia. Sugden is not unmindful of the class a nature of this amp. Upgraded with a fifty percent larger power supply and increased power output, dynamics are even more impressive, the sophisticated preamplifier stage is another improvement on the a21 which provides greater clarity without added brightness producing. If you get stuck in repairing a defective appliance download this repair. This website is not affiliated with or sponsored by sugden. Apr 21, 2016 sugden a21se signature remote volume pure class a integrated amplifier line 30 watts.
Sugden a21ai series 2 integrated amplifier measurements. The sugden a21a is something of a living legend, a class a integrated amplifier that has been in production for over 20 years, but whose earlier incarnations date back as far as the sixties. The special edition of the sugden a21se integrated amplifier is based on the strengths of the classic sugden a21 amplifier. Please use the shareupload function if you have a hifi related audio schematic or service manual you want to share with your fellow audio diyers. The preamplifier out on your sugden a21a pure class a amplifier is primarily for use with the matching a21a power amplifier series 1. However, in 1967 the a21 was also marketed under the sugden brand name jes short for james edward sugden. Sugden a21se signature integrated amplifier hifi class a ebay. Creek audio voyage i20 integrated amplifier user manual. The class a amps are in perfect working order and to my ears sound terrific. The pinnacle of audio simplicity, the sugden is the. The schematic is a technical drawing or diagram of your system, a perfect supplement to the service manual. Sugden s first commercial amplifier was the a21 in the mid1960s. It was a division of research electronics, a company that manufactured scientific instruments and test equipment sugden designed for universities.
This site helps you to save the earth from electronic waste. Upgraded with a fifty percent larger power supply and increased power output, dynamics are even more impressive. The special edition a21se signature integrated amplifier builds on the strengths of the classic a21, offering pure class a single ended operation, the sound remains distinctively sugden. Sep 15, 2019 these were bought as a stopgap while my sugden was away for a service but have remained in my main system since. Aug 22, 2016 while the sugden does not have any tubes, it does present the best of both worlds in a single, builtlikeabrickouthouse chassis.
This website contains a compilation of information already available elsewhere on the. J e sugden class a stereo amplifier inc manualspaperwork ebay. Sugden manuals hifi engine owners and service manuals. As a spiritual, if not literal successor to the pioneering a21, the amp that made sugden s name, it has some big shoes to fill. The initial a21 was sold under the richard allan brand name, which had an established quality line of loudspeakers. Would be handy to have one can anybody help me with a. I now have two of these things, but neither came with an operators owners manual. The secret of its continued success is a pure class a single ended.
Sugen a21se signature integrated amplifier sugden audio. Apr 21, 2016 the initial a21 was sold under the richard allan brand name, which had an established quality line of loudspeakers. Search the support documentation for service technicians service test equipment, measuring equipment oscilloscope, pc oscilloscope, digital oscilloscope, usb oscilloscope, digital multimeter, analog multimeter by different manufacturers fluke, wavetek, tektronix search our database of service manuals, schematics, diagrams, pcb design, service mode, makemodelchassis, repair tips and. The secret of its continued success is a pure class a single ended voltage rail design that has evolved and been carefully upgraded.
Dual cs505 turntable record player service instruction owner manuals cdr. Oct 25, 2020 technics sp10 turntable service instruction owner manuals on cdr sp10. Sugden hfe sugden r21 51 provisional data sheet en sugden hfe sugden a28b schematics sugden hfe sugden a51 schematic sugden hfe sugden a48 iii en sugden hfe sugden a48iii a28ii p28 power amp schematic sugden hfe sugden a21 series two parts list schematic sugden a51. Offers pure class a operation, the sound remains distinctly sudgen. Please note the amendment page at the end of the series 2 scans. For sale sugden a21al private hifi classifieds hifi wigwam. Had it running for two hours yesterday and is working as it should. Sugden a48 service manual download, schematics, eeprom. Back in the day, sugden specified this amplifiers thd at 0.
The biggest collection of sugden manuals and schematics. Modestly powered, the a21se still offered a surprising amount of headroom while still sounding about as tubey as solidstate can get. Sugden o seu companheiro por mais 50 anos, sugden anv50. Offering pure class a single ended operation, the sound remains distinctively sugden. Jan 11, 2009 what i have before me is a madein1998 j. Sugden a21se signature integrated amplifier brian and trevors. W figures that are not unrealistic across midrange frequencies.
Sugden a48 power amplifier service manual free download. Sugden a21se stereo integrated amplifier manual hifi engine. The special edition a21se integrated amplifier builds on the strengths of the classic a21. You may be aware j e sugden produced the first commercially available pure class a amplifier in 1964, being the sugden a21, and several models followed. When i first became an audiophile in the late 1960s, the late jim sugden s classa amplifier designs were already legendary. Ah, the glorious class a warmth, how i have missed you. Sugden a21se integrated amplifier this updating of the classic british class a integrated will warm up your soul as well as your listening room. If you compare the richard allan and jes a21 s they look very similar except for some styling changes that accompany the change in the displayed makers name and the addition of a headphone socket. Sugden are delighted to announce the introduction of the sugden signature series. A combination of superb sound and solid engineering has made the a21 a reference amplifier for fifty years.
Sugden hfe sugden r21 51 provisional data sheet en sugden hfe sugden a28b schematics sugden hfe sugden a51 schematic sugden hfe sugden a48 iii en sugden hfe sugden a48iii a28ii p28 power amp schematic sugden hfe sugden a21 series two parts list schematic sugden. The a21 was for the audiophile the first experience of high fidelity music reproduction in the home. We have 1 sugden diagram, schematic or service manual, and its free to download. Manufacturers of high quality audio products including amplifiers, cd players and speakers since 1967.
The sugden masterclass anv50 is, by any standards, a remarkable achievement. It is generally recognised as the first commercial, solid state pure class a amplifier to be available for audio enthusists. Jungson ja199c class a prepower amplification sold. Updated with a 50% bigger power supply and higher output power, the dynamics are even more impressive. J e sugden class a stereo amplifier inc manualspaperwork. To purchase a21sea21se signature spares or accessories, please contact the company via their website or visit an authorised. A21 signature series a combination of superb sound and solid engineering has made the a21 a reference amplifier for fifty years. To sum up id say its really musical and involving, and runs really hot. A rebuilt and in effect new a21 which should be good for many years now and sounds most valve like. I am disappointed with the sugden a21ai series 2s measured performance. Sugden a21 stereo integrated amplifier manual hifi engine.
Feb 18, 2009 sugden s, in fact, suggests that they were the first company to produce a solidstate classa amplifier for domestic use their original a21 model, introduced in the 1960s. Sugden a 21 mk2 below you will find the sugden a 21 mk2. It is not hard to understand why it is a classic that has stood the test of time. Series two instructionowners manual english mvlab series two parts listschematic english boots a schematic mc stage english. Series two instruction owners manual english mvlab series two parts list schematic english boots a schematic mc stage english. The sugden a21 has a good blend of qualities that is rare and hard to describe. Today, alongside various preamplifiers and cd players, j. David price swoons at sugdens new pure class a a21se integrated.
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