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Руководство пользователя LUNDAHL LL1621. Основные функции, характеристики и условия эксплуатации изложены на 1 странице документа в pdf формате.
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International Domestic L Tibeliusgatan 7 Phone +46 - 176 13930 0176-13930 LUNDAHLUNDAHL S-761 50 NORRTALJE TRANSFORMERS TRANSFORMERS SWEDEN Fax +46 - 176 13935 0176-13935 Noninverting Drive Transformer for Tube Amplifier Output Stage LL1621 LL1621 is a noninverting high inductance drive transformer for tube amplifier output stages. The transformer has a special audio C-core of our own production, and the coil is made using a low capacitance coil winding technique. LL1621 is available in Push-pull and Single-end versions. Turns ratio: 1 + 1 : 1+1 Winding schematics, physical dimensions, pin and mounting hole layout (all dimensions in mm) 24 4 3 2 1 3 4 2 1 4 x M3 Mounting holes 52 70 Bottom view 7 8 6 5 8 7 6 5 39 61 LL1621 / P-P LL1621 / 6mA LL1621 / 20mA Weight: 0.5 kg 0.5 kg 0.5 kg Static resistance of each primary (avarage) 445 W 445 W 445 W Static resistance of each secondary (avarage) 455 W 455 W 455 W Recommended primary DC current, primaries in series 6 mA 20 mA Maximum DC current before saturation, primaries in 10 mA 35 mA series Primary inductance (primaries in series) > 300 H 130 H 30 H Freq. response (EXAMPLE!) LL1621 / 6mA source 3.9 k, no load +/- 0.5 dB 10 Hz -- 100 kHz Isolation between primary and secondary windings / between windings and core: 4 kV / 2 kV Output stage drive examples : Single end drive Push-Pull drive 0.1 µF 0.1 µF V + 1 5 2 LL1621 6 1 5 3 PP 7 2 LL1621 6 4 8 V + 3 SE 7 4 8 0.1 µF R971023