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The small 10*8cm board includes a power supply, so only a small 12V transformer is needed to supply it (or a 9-10VAC wall-wart). You can find a suitable power supply under "Accessories".
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Phono1
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Phono preamp kit
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This board is a small and simple phono preamp. It uses a dual op. amp. per channel (normally an OP275) and an active/passive split RIAA de-emphasis network. The kit includes low-noise metal film resistors and 1% film/foil polypropylene caps for the RIAA network. The small 10*8cm board includes a power supply, so only a small 12V transformer is needed to supply it (or a 9-10VAC wall-wart). You can find a suitable power supply under "Accessories". |
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Phono1 schematic (GIF, 35kB) |
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Phono1 part list (PDF 4kB) |
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