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Руководство пользователя LUNDAHL LL1693. Основные функции, характеристики и условия эксплуатации изложены на 3 страницах 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 LL1693 The LL1693 is a high power tube output transformer primarily for low impedance high power tubes. The transformer is built up from two coils, each consisting of 5 sections. The core is a high quality grain oriented silicon steel C-core from our own production. Physical dimensions, pin and mounting hole layout for LL1693 (all dimensions in mm) 58 Primary connections Secondary connections 12 14 16 18 28 27 26 25 24 23 22 21 4 x M4 Mounting holes 118 140 Bottom view 1 2 3 4 5 6 7 8 38 37 36 35 34 33 32 31 100 100 Weight 4.5 kg Winding schematics: Coil 1 Coil 2 2 12 4 1 3 14 18 7 5 8 16 6 1 7 8 8 7 1 24 34 23 33 32 22 21 31 35 25 26 36 37 27 38 28 « outer inner » « inner outer » LL1693 Turns ratio (approx) 8 + 7 + 1 + 8 + 7 + 1 : 1+1+1+1+1+1+1+1 Static resistance of primary (all in series) 60 ? (2 x 15? + 2 x 12? + 2 x 3? ) Static resistance of inner/outer secondary 0.4? / 0.5? winding Primary leakage inductance (all in series) To be measured Max recommended primary DC current 450 mA (heat dissipation 12W) Max. primary signal voltage r.m.s. at 30 Hz Push-Pull Single End (all in series) 530V 235V R080603 LL1693 page 1 (3)
Electrical characteristics Primary Load Impedance, Max power and power loss. Sec. connection for 4/8/16 ? (See next page) -/B/C B/C/D C/D/E Primary Load Impedance (transformer copper resistance included) LL1693 2.3 k? 1 k? 600 ? Power and Loss Max. Power, P-P at 30 Hz 180W 360W 700W Max. Power, S.E. at 30 Hz 35W 70W 140W Primary DC Current Core Air-gap and Primary inductance LL1693/PP LL1693/230mA Core Airgap 25 µ 450 µ (delta/2) Single end standing current for 0.9 Tesla 230mA (recommended operating point) Primary inductance 150 H 16H LL1693 LL1693 Primary connection for Single-End output Primary connection for Push-Pull output stage stage 1 12 Anode 1 1 12 Anode 1 2 2 3 3 4 14 4 V + 14 5 16 V + 5 16 Anode 2 6 6 7 7 8 18 8 18 LL1693 page 2 (3)
Max secondary Voltage RMS @ 30 Hz Secondary connections Push-Pull Single Ended Indicates phase Copper resistance Windings in series 21 31 21 31 22 32 22 32 23 A 33 23 B 33 24 34 24 34 25 35 25 35 26 18 V 8.5V 36 26 37 V 17V 36 27 .05 ? 1 37 27 0.2 ? 2 37 28 38 28 38 21 31 21 31 22 32 22 D 32 23 33 23 33 24 34 24 34 C? 25 35 25 35 26 57V 25V 36 26 74 V 34V 36 27 0.5 ? 3 37 27 0.8 ? 4 37 28 38 28 38 21 31 21 31 22 32 22 32 23 33 23 33 24 34 24 34 E F 25 35 25 35 26 115V 51V 36 26 150V 68V 36 27 2 ? 6 37 27 3.2 ? 8 37 28 38 28 38 LL1693 page 3 (3)