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	SCHEMI PRE VALVOLARI

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		STADI PRE LINEA pre 12AU7 line pre equalizer 12AX7 pre loudness tone 12AX7 pre 12AY7 6SN7 part1 part2 pre ECC81 82 pre ECC82 SRPP part1 part2 pre ECC83 EF86 part1 part2 part3 pre ECC88 pre 5687 transout pre 5751 part1 part2 pre 5751 2 pre 6N3 6N6 pre 6SN7 pre 6SN7 1 pre 6SN7 3 pre 6SN7 4 pre 6SN7 5 pre 6SN7 8 pre 6SN7 9 pre 6SN7 SRPP Lillipre part1 part2 pre 6SN7 SRPP Triopre part1 part2 pre 6SN7 6SL7 pre transout 6J5 6SN7 pre 6189 balanced part1 part2 part3 part4 pre 7025 5814 pre ECL82 6BM8 pre ECL82 6BM8 muFollower pre ECL 86 part1 part2 PHONO - RIAA pre RIAA 12AU7 part1 part2 pre RIAA ECC81-82-83 pre RIAA 6DJ8 pre RIAA 7586 Nuvistor pre phono OLD78 part1 part2 part3 PRE MICROFONICI Pre mic balanced pre microphone ECC83 part1 part2 part3 Schemi di apparecchi commerciali e modifiche pre QUAD 22 pre QUAD 22 (2) part1 part2 part3 part4 part5 pre DynacoPAS3 pre AudiotecnicPR306 pre Marantz 7C Klone pre McIntosh C22 pre mic Altec 1566A pre EC(C)82 SupertoneS9 pre 12AX7CathFollower Jadis pre PhaseSplitter Radford MA12