LL1621-6mA
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Noninverting Drive Transformer for Tube Amplifier Output Stage LL1621-6mA
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
Weight: 0.5 kg
Static resistance of each primary (average) 445 ?
Static resistance of each secondary (average) 455 ?
Recommended primary DC current, primaries in series: 6 mA
Maximum DC current before saturation, primaries in series: 10 mA
Primary inductance (primaries in series) > 130 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
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