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        LL1933 Moving Coil Input Transformer

        Lundahl LL1933 Moving Coil Input Transformer

        €219,95

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        Lundahl LL1933 Moving Coil Input Transformer

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        Brand: Lundahl
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        LL1933 Moving Coil Input Transformer
        € 181,78€ 219,95 Out of stock
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        LL1933 Moving Coil Input Transformer

        Product description Lundahl LL1933 Moving Coil Input Transformer

        The Lundahl LL1933 is a high-performance moving coil step-up transformer with dual-coil construction, Cardas high-purity copper wire, nickel lamination core, and a mu-metal can for strong protection against external magnetic fields.

         

        Highlights of the Lundahl LL1933

        • High-performance moving coil step-up transformer
        • Dual-coil structure improves immunity to external magnetic fields
        • Cardas high-purity copper wire in an oversized design
        • Nickel lamination core for low distortion and a linear magnetization curve
        • 8 Hz to 100 kHz frequency response at ±1.0 dB in serial connection

         

        Product details Lundahl LL1933

        Lundahl LL1933 Moving Coil Step-Up Transformer

         

        The Lundahl LL1933 is designed for moving coil cartridge input applications where low-level signal integrity is critical. As a specialist transformer for audio components, it combines Lundahl’s dual-coil structure with Cardas high-purity copper wire, giving it the performance-oriented construction required for high-quality phono signal step-up use.

         

        Its nickel lamination core is intended for low distortion and a linear magnetization curve, making the LL1933 an alternative for users who prefer this core approach over Lundahl’s amorphous-core LL1931. The transformer is housed in a mu-metal can, helping shield the sensitive input stage from magnetic fields caused by power supplies, motors, and other nearby equipment in a home audio setup.

         

        The transformer has a turns ratio of 1 + 1 : 8 + 8 and supports multiple connection alternatives, including serial-serial 1:8 and parallel-serial 1:16 configurations. Each primary winding has a static resistance of 1.5 Ω, while each secondary winding has a static resistance of 85 Ω. In serial connection with a 50 Ω source and open secondaries, frequency response is 8 Hz to 100 kHz within ±1.0 dB.

         

        For installation, the LL1933 measures 47 x 28 x 24 mm above the PCB and weighs 115 g. Pin spacing is 5.08 mm with 35.6 mm between pin rows, and a recommended PCB hole diameter of 1.5 mm. Isolation is rated at 3 kV between windings and 1.5 kV between windings and core.

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        Specifications

        Article number
        LL1933
        EAN
        9502257515739

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        LL1933 Moving Coil Input Transformer
        € 181,78
        € 219,95
        LL1933 Moving Coil Input Transformer
        Out of stock
        Add to cart
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