Amplifier SE Output Transformer 10W (R120A15F)

This Audio / Output transformer is part of a specialist range of output transformers for use with SINGLE ENDED Hi-Fi amplifiers.

Specially designed for use with Hi-Fi valve amplifiers. Hi-Fi typically require output transformers with a frequency (bandwidth) of 20Hz to 20kHz.

• AUDIO / OUTPUT Transformer for Hi-Fi Valve Amplifiers
• MODEL: R120A15F
• CHASSIS Mounting
• Maximum Power: 10W
• Amplifier Application: SINGLE ENDED (SE)
• Valve / Tube Application: EL34 Valves / Tubes in SE mode.

Impedance Ratio

• Primary Impedance: 3k C.T.
• Secondary Impedance: 4, 8 ohm taps

DC Resistance (Ohm +/-15%)

• Primary: 56.4
• Secondary (Total): 0.34

• Leakage Inductance (White – Red) @ 1kHz, 1V, 90mA: 7.8mH (typ.)
• Interwinding capacitance @ 10kHz: 2.78nF (typ.)

• Hi-Pot, primary to secondary: 1kVAC, 5mA, 2s

• Core Materials: Manufactured with grain orientated silicon steel laminations for reduced hum, low distortion, low insertion loss and stray field.
• Transformer Mass: 4.4kg (Approx)

• Brand: Oxford Electrical Products (CARNHILL GROUP)
• Made in OXFORD, ENGLAND (UK)

Oxford Electrical Products (OEP) was founded in 1982, and has established itself as a globally trusted brand for the design and manufacture of transformers and power supplies.

This Amplifier SE Output Transformer is part of a specialist range of audio transformers for valve amplifiers, that are designed and manufactured from OEP’s factory in Oxford, England. This design and manufacturing expertise enables OEP to maintain a close control over production, ensuring that each transformer is manufactured to the strict specifications that their designer intended. This build quality directly governs the efficiency of the transformer for excellent sound quality and reliability.