Raysonic - SP-88 Integrated Tube Amplifier
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Raysonic's SP-88 is considered as a one-of a kind integrated tube amplifier in the high-end audio market.Not only it has featured with all the line signal inputs found in most integrated amplifier but it also has a built-in phono amplifier for turntable input. We understand digital audio source is pretty popular in these days and more importantly we acknowledge that record vinyl has made a strong comeback as well. The power tube 7591 used in SP-88 is a small beam power tetrode,common in old hi-fi and some guitar amps.7591 was popular in early 1960s and was originally designed by Western Electric.Currently Sovtek now makes a direct replacement,the 7591EH,It is about 3/16" larger in diameter then the original 7591A,but works fine.If they don't have any then the amp must be converted to 6L6GCs (this is a considerable modification,it will give less output power).Note: JJ is manufacturing the 7591S,which is the same size and diameter of original 7591A. Features Unique MM phono input tubes amplifier Two pairs of 7591AEH output tubes operate in class AB1 design 35 watts per channel. 70 watts-two channels Double C-core Audio output transformers Superior electronic components from U.S.A Remote volume control Aluminium chassis: black or silver Warranty for Raysonic products is 2 years parts and 1 year labor- tubes are 90 days. Sepcifications: Power Handling: 35w x 2 channels Frequency Response: 8HZ - 48KHZ +-1dB Display Device: None Input Sensitivity: 620mv Input Impedance: 100kOhm Tube Type: 7591AEHx4, 12AX7 x4 Signal-to-Noise Ratio: 96dB Inputs: 5 sets Outputs:
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