![]() ![]() If such a low response is necessary, then a DC offset and coupling should be considered thus dispensing with the capacitor's non-linearities. For most speaker systems a value of 47-100♟ will suffice, a -3dB response of 1Hz being considered over-kill. Personal preference would have reduced the gain of the PA and the value (470♟) of the feedback's blocking capacitor, a bipolar type that could usefully be paralleled with a decent HF type. This design used high voltage fast switching devices (BUV28s, TP77 or BUV48 in Cyrus 2) with low saturation voltages in it's quasi-complementary output and an interesting 'soft-clip' feature. However, the emphases on innovation, compactness and 'modernity' were felt to detract from the function. ![]() The Mission Cyrus 1 was for it's size a complex, high quality build that continues to spawn later versions. A Paul Kemble web page - Mission Cyrus 1 integrated amplifier. ![]()
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