Zerosum Inertia - BFK9000

  The BFK9000. Loaded with New Old Stock JAN(Joint Army Navy) stamped 6CB6 pentodes designed to meet the high quality and reliability standards of the United States Military. Manufactured by Sylvania, Philips, Radio Corporation Of America, and General Electric in the 1960’s-1980’s. Switchcraft jacks and Alpha potentiometers flown on wires and firmly bolted to aluminum enclosure to avoid stress applied to circuit board. Circuit board attached to enclosure with standoffs again to reduce stress and tension being applied to circuit board. IC's are socketed, NOT soldered directly to circuit board to make easy replacement later if/when needed. High quality long life high temperature low impedance electrolytic capacitors from Rubycon and United Chemi-Con. 5% NP0 capacitors in the power section and audio path. 5% metalized polypropylene in the PLL sections. 1% metal film resistors. High quality 2A/25W medical grade 12v center postive DC power adapter is included. Only use 12v DC center pos