Single-Ended Audio Output Transformer for 2A3 Tube – SE2K5-2A3

Are you a vintage audio enthusiast? If so, you’re in the right place. We proudly present our latest product: the Single-Ended Audio Output Transformer for 2A3 Tube, product code SE2K5-2A3. This transformer is an essential component for high-quality sound lovers, designed to meet the needs of the most demanding audiophiles.

This output transformer has been engineered to integrate perfectly into a wide variety of audio configurations. Its multiple secondary impedance options provide unparalleled flexibility, allowing users to tailor their audio system to their personal preferences. Whether you are building a high-fidelity system for your home listening room, this output transformer is the ideal choice to achieve flawless audio performance.

Related Projects and Frequency Response Chart:

To demonstrate the capabilities and practical use of our Single-Ended Audio Output Transformer for 2A3 Tube, we invite you to explore two projects that feature it:

  1. Project 1: SB-Luna
  2. Project 2: Bowey 2A3 Modding

You can also view the detailed frequency response chart here for an in-depth look at its performance.

Our SE2K5-2A3 Single-Ended Audio Output Transformer represents the very essence of vintage audio excellence. With its impressive technical specifications and unmatched versatility, it is the ideal choice for demanding audiophiles and professional audio designers alike. Invest in sound quality and elevate your audio experience with our high-grade output transformer.

All listed prices are subject to quantity discounts. When you purchase output transformers together with other products such as chokes, power transformers, or any other items on this site, you will benefit from significant savings compared to the unit cost. The frequency response figures were measured at about 1 W RMS with the typical bias current of the tube for which the transformer was designed, and without negative feedback. With even light negative feedback, bandwidth will extend significantly and phase shift will remain very limited within the audible range.

Model SE2K5-2A3
TU
  • Type: Single Ended
  • Designed for tube: 2A3 (*)
  • Primary impedance: 2500 ohm
  • Secondary impedances: 4 / 6 / 8 ohm
  • Primary resistance: 40 ohm
  • Max power: 20 W RMS
  • Leakage inductance: 6.7 mH
  • Frequency response: 20 Hz – 30 kHz –1 dB

(*) It can also be used with other tubes. These technical specifications outline a premium product, engineered to guarantee maximum sound fidelity. Our output transformer delivers impeccable performance for both delicate, detailed listening sessions and more demanding power and impedance requirements.

Dimensions (mm)
L 85
H 100
S 104
F 68
F2 58

To order, contact me by clicking here.

Dimension guide

dimensioni-L300

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