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Руководство пользователя LUNDAHL LL1676. Основные функции, характеристики и условия эксплуатации изложены на 1 странице документа в pdf формате.
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Tibeliusgatan 7 International Domestic SE-761 50 NORRTALJE Phone +46 - 176 13930 0176-13930 SWEDEN Fax +46 - 176 13935 0176-13935 High level Tube Amplifier Input Transformer LL1676 The LL1676 is a large, high level, high performance audio transformer built with the well know Lundahl amorphous core The LL1676 consists of two coils, each with a two-sectioned primary winding and a high level secondary winding separated by electrostatic shields. . The core is a two-component amorphous strip core. The very high mu of the core results in a phase shift of less than 0.5 degree at 10Hz. The transformer is magnetically shielded by a mu metal housing. Turns ratio: 1 + 1 : 2 + 2 Dims (Length x Width x Height above PCB (mm)): 43 x 28 x 21 Pin layout (viewed from component side) and winding schematics: 7 5 10 2 4 9 LL1676 1 6 8 9 4 2 (Top view) 7 1 6 5 10 8 +can & core Spacing between pins: 5.08 mm (0.2") Spacing between rows of pins: 30.48mm (1.2") Weight: 80 g Rec. PCB hole diameter: 1.5 mm Static resistance of each primary (average): 145W Static resistance of each secondary (average): 605W Distortion 22V rms (+29 dBU) secondary level, (primaries connected in parallel, source impedance 600W ): 30 Hz: 1% 22V rms (+29 dBU) secondary level, 50 Hz: 0.2% Self resonance point : 70 kHz Optimum termination for best frequency response 10k – 33k (source imp. 600W ) : Frequency response 10Hz – 40kHz +/- 0.5dB (source 600 , load 10k) -3dB @ 80kHz Isolation between primary and secondary windings/ between 3 kV / 1.5 kV windings and shield: Suggested usage, 1:2+2 5 10 4 9 LL1676 8 2 (Top view) 7 1 6 Indicates phase R011127