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        LL2765-30 Output Transformer for Tube Headphone Amplifier

        Lundahl LL2765-30 Output Transformer for Tube Headphone Amplifier

        €239,95

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        Lundahl LL2765-30 Output Transformer for Tube Headphone Amplifier

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        Brand: Lundahl
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        LL2765-30 Output Transformer for Tube Headphone Amplifier
        € 198,31€ 239,95 Out of stock
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        LL2765-30 Output Transformer for Tube Headphone Amplifier

        Product description Lundahl LL2765-30 Headphone Output Transformer

        The Lundahl LL2765 is a C-core output transformer for tube headphone amplifier applications, designed with dual coils, multiple secondary connection options and support for 32, 150 and 600 ohm headphones.

         

        Highlights of the Lundahl LL2765

        • Output transformer for tube headphone amplifier applications
        • Three-sectioned, dual-coil C-core construction
        • Turns ratio of 6+6 : 1+1+1+1
        • Connection alternatives for 32, 150 and 600 ohm headphones
        • Available in push-pull and single-ended versions
        • 4 kV isolation between windings and 2 kV between windings and core

         

        Product details Lundahl LL2765

        Lundahl LL2765 Output Transformer for Tube Headphone Amplifier

         

        The Lundahl LL2765 is a specialist audio component for tube headphone amplifiers. It uses a three-sectioned, dual-coil design built around Lundahl’s own audio C-core, with high internal isolation and isolation foil between each copper layer.

         

        With a turns ratio of 6+6 : 1+1+1+1, the LL2765 offers flexible secondary connection alternatives for different headphone impedances. It can be configured for 32 ohm headphones with a 12:1 ratio and approximately 4.6 k primary impedance, or for 150 ohm and 600 ohm headphones with 6:1 and 3:1 ratios respectively, both giving approximately 5.4 k primary impedance.

         

        The transformer supports both push-pull and single-ended use, with versions available for each application. With primaries in series, the push-pull version provides 170 H primary inductance and a maximum primary signal of 370 V RMS at 30 Hz, while the single-ended version provides 64 H primary inductance and a maximum primary signal of 160 V RMS at 30 Hz.

         

        Electrical details include 75 ohm static resistance per primary, 3.5 ohm static resistance for secondary windings 2-4 and 7-9, and 4.5 ohm for secondary windings 3-5 and 8-10. The maximum recommended DC current through the primary windings is 180 mA, with 5 W heat dissipation, and the unit weighs 1.3 kg.

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        Specifications

        Article number
        LL2765-30
        EAN
        9509133421641

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        LL2765-30 Output Transformer for Tube Headphone Amplifier
        € 198,31
        € 239,95
        LL2765-30 Output Transformer for Tube Headphone Amplifier
        Out of stock
        Add to cart
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