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Руководство пользователя LUNDAHL LL1691. Основные функции, характеристики и условия эксплуатации изложены на 1 странице документа в pdf формате.
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Tibeliusgatan 7 International Domestic LUNDAHL S-761 50 NORRTALJE Phone +46 - 176 13930 0176-13930 TRANSFORMERS SWEDEN Fax +46 - 176 13935 0176-13935 Tube amplifier output transformer LL1691 9k : 8 ohms (for 845 tubes) The LL1691 is a dual coil C-core tube amplifier output transformer for 9k: 8 ohms impedance ratio available in PP and SE versions. The coil is wound using our high internal isolation technique with isolation foil between each copper layer. The core is an audio C-core of our own production. Turns ratio 17+17 : 1 Simplified winding schematics, physical dimensions, pin and mounting hole layout (all dimensions in mm) 63 5 4 2 1 1 4 x M4 Mounting holes 120 148 2 6 1 Bottom view 5 8 8 6 4 90 103 Weight: 4.6 kg Static resistance of each primary: 112 W Static resistance of secondary: 0.3 W Isolation between windings / between windings and core: 4 kV / 2 kV Max DC current through any primary winding (10W heat dissip): 210mA LL1691/PP LL1691/70mA Primary inductance (approx.) 75H Max primary signal 1220V R.M.S. @ 30 Hz 530V R.M.S. @ 30 Hz Max output power @ 30 Hz 160W (8W spkr) 30W (8W spkr) Suggested use: V+ V+ 1 6 Plate 1 6 Plate 1 2 2 4 8 4 8 Plate 2 5 5 LL1691 used in Push Pull LL1691 used in Single End Plate-to-plate impedance Primary impedance 9k at 8 9k at 8 ohms load ohms load R050330