Presenting: the ISA-2 tube power amplifier





Max. Output Power before clipping (KT120): 160W




Output type: Pentode push-pull split-load (anode/cathode)



Three regulated supplies for output tubes' screen grids, signal stages


Tubes:  signal stages: 4x 6922/ECC88, 4x 6BM8





output stage: 4x KT88/KT120/KT150 (bias adjustment feature available)

regulators: 4x 12AX7, 1x 6922/ECC88, 1x 12AT7, 1x 6BM8, 1x 6C19Pi, 2x EF86, 1x EL34
frequency response              @ 1W:  5Hz-250kHz +/-0.5dB






@ 120W: 20Hz-40kHz +/-1dB



Total Harmonic Distortion @ 1W: 0.02%  








@ 120W: 0.15%























But why not check out the review by 6moons:





http://www.6moons.com/audioreviews2/nvo/1.html

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