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        LL1664-100 Output Transformer for Tube Amplifiers 100mA

        Lundahl LL1664-100 Output Transformer for Tube Amplifiers 100mA

        €179,95

        2 In stock

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        Lundahl LL1664-100 Output Transformer for Tube Amplifiers 100mA

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        Brand: Lundahl
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        LL1664-100 Output Transformer for Tube Amplifiers 100mA
        € 148,72€ 179,95 2 In stock
        € 179,95
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        LL1664-100 Output Transformer for Tube Amplifiers 100mA

        Product description Lundahl LL1664-100 Output Transformer

        The Lundahl LL1664-100 is a 100 mA single-ended version of the LL1664 tube amplifier output transformer, built for a 3 kΩ primary to 8 Ω secondary impedance ratio with Lundahl’s dual-coil C-core construction.

         

        Highlights of the Lundahl LL1664-100

        • 3 kΩ to 8 Ω impedance ratio for tube amplifier output stages
        • Four-section dual-coil C-core construction
        • 100 mA single-ended version with approximately 17 H primary inductance
        • Maximum primary signal of 180 Vrms at 30 Hz
        • Up to 10 W output power at 30 Hz with an 8 Ω speaker load
        • High internal isolation with foil between each copper layer

         

        Product details Lundahl LL1664-100

        Lundahl LL1664-100 3k:8 Ohms Tube Amplifier Output Transformer 100mA

         

        The Lundahl LL1664-100 is designed for tube amplifiers requiring a 3 kΩ primary impedance with an 8 Ω load. It uses a four-sectioned dual-coil C-core design and supports connection options with a turns ratio of 9.6 + 9.6:1 or (3.2 + 6.4) + (3.2 + 6.4):1, giving builders flexibility for single-ended output stages.

         

        As part of the LL1664 range of audio components, this transformer is wound using Lundahl’s high internal isolation technique, with isolation foil between each copper layer. The audio C-core is produced in-house by Lundahl, supporting consistent magnetic performance and reliable construction for demanding amplifier projects.

         

        The LL1664-100 version provides approximately 17 H primary inductance, with a maximum primary signal of 180 Vrms at 30 Hz. With an 8 Ω speaker load, it is specified for up to 10 W output power at 30 Hz, making it suitable for compact single-ended tube amplifier designs.

         

        Practical electrical and mechanical details include 74 Ω static resistance for each primary, 0.5 Ω secondary resistance, 8 mH primary leakage inductance with primaries in series, and 4 kV winding-to-winding isolation with 2 kV winding-to-core isolation. The transformer weighs 1.35 kg and uses four M4 mounting holes for secure installation.

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        Specifications

        Article number
        LL1664-100
        EAN
        9508563371212
        Transformer Type
        Tube amplifier output transformer
        Primary Voltage
        180 V
        Primary Impedance
        3000 Ω
        Secundary Impedance
        8 Ω
        Power Handling
        10 Watt
        Core Type
        C-core
        Inductance
        17 H
        Turns Ratio
        9.6 + 9.6 : 1 or (3.2+6.4)+(3.2+6.4) : 1
        # Mounting holes
        4
        Dimensions (L x B x H)
        95 x 70 x 75 mm

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        LL1664-100 Output Transformer for Tube Amplifiers 100mA
        € 148,72
        € 179,95
        LL1664-100 Output Transformer for Tube Amplifiers 100mA
        2 In stock
        Add to cart
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