The LL2762 is a three-section dual coil C-core tube amplifier interstage transformer. The coil is wound using our low capacitance, high internal isolation technique with internal multilayer isolation foil where layer-to-layer signal voltage is big. Winding order is chosen to minimize destructive capacitive energy build-up between primary and secondary sections. The core is an audio C-core of our own production.
Turns ratio 1+1 : 1+1
Weight: 0.75 kg
Static resistance of each primary: 560 ?
Static resistance of secondary: 560 ?
Isolation between windings / between windings and core: 4 kV / 2 kV
Max recommended DC current through primary windings: 50mA (3W heat dissipation) Frequency response connected as below, source 4.5k, load 50 pF // 50k ( with V+ connected to ground): -3dB at 12Hz; -3dB at 33kHz, +/- 1dB 20Hz – 30kHz
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