![]() But I believe it is totally worth the time and effort. I bought the amp a couple of years ago for $300 and have now spend many times that on upgrades. My next project is replacing all the hook up wire with Cardas Litz wire! Audio Note 1000uF 25Vdc, KAISEI Polarized Electrolytic Capacitor, Radial Lead, 18mmD The Audio Note KAISEI range has been developed over the past 4 years in collaboration with the engineering team at Rubycon (of Black Gate fame). I have also replace just about everything else in the amp, including 8 x HEXFRED Ultrafast Diode Rectifiers and 4 x 10,000uF Nichicon KG Gold Tune Electrolytic Capacitors in the power supply and all caps on the driver board with Audio Note KAISEI Electrolytic Capacitors. Denafrips Ares 12th-1 DAC S1,549 Denafrips Iris 12th DDC - S899. Quiescent T100SPA Stereo Power Amplifier Review by George Sallit. The sound will be only better I had them installed by Syd Beaumount of Ideal Innovations, Woodstock ON, who also replaced EVERY transistor on the driverboard to match. Review Quiescent Audio T100SPA Power Amplifier. They are built for Audio and the hFE is way higher and more linear. Standard Series For the past 4 years Audio Note has been working with Rubycon to design and make Audio Note branded replacements, these will not be exact copies of Black Gates as such, but. ![]() André told me These output transistors are just a lot better than old school 2N3055. The first models available will be the Audio Note (UK) Standard Electrolytic Audio Capacitor’ and the Audio Note(UK) KAISEI Audio Capacitor. The Audio Note KAISEI range has been developed over the past 4 years with the engineering team at Rubycon (of Black Gate fame). ![]() On the advice of André St-Laurent, Grand Art Audio, Montréal, I replaced the 4 original RCA 2N3055 NPN power transistors with ON Semiconductor MJ21196 Bipolar NPN, TO-204-2 transitors. Audio Note Kaisei Electrolytic Capacitors We are proud to be the first to stock the all-new Audio Note Kaisei Electrolytic capacitor range specially suited for valve power supply use. HOWEVER: as HK boasted in their sales literature the circuit is based on a RCA design and built with RCA transistors, circa 1960s, (except for the differential amp, with was HK's own design.) ALL of these transistors are obsolete and no longer available!!! You can't even find data sheets for them!! Harman Kardon Citation 12 is an outstanding power amp because of is dual mono power supply and simple Class A/B circuit design. ![]()
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