5.5K 80W push-pull output transformer
Applicable tube amplifier KT88, KT120
Model: OPT5.5KPP-8
Core parameters: steel sheet Z11 EI105 * stack thickness 60mm
Winding structure: five clips four
Primary impedance: 5500
Secondary impedance: 0-4-8
Rated power: 80W
Primary overcurrent: 240mA
Secondary DC resistance: 0-4-8R: 0.25+0.1
Primary DC resistance: PP: 140, matching error within 1 ohm
Primary inductance: 45-100H, different materials have different inductance, and the matching error is within 1H
Leakage inductance: 6.2mH
Inter-stage capacitance: 6nf
Frequency response: 15Hz-50KHZ (-0.5dB), 8Hz-60KHZ (-1dB)
Weight: 8.2KG (one pair, 4.1KG single)
1. OPT5.5KPP-80A, H18 0.35MM steel sheet oxygen-free copper enameled wire
2. OPT5.5KPP-80B, Z11 0.35MM steel sheet, oxygen-free copper enameled wire
3. OPT5.5KPP-80C, Z10 0.27M steel sheet, oxygen-free copper enameled wire
4. OPT5.5KPP-80S, Z09 0.23MM steel sheet, oxygen-free copper enameled wire insulating paper
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High-concerned chemical : None
Coil Number : Autotransformer
Phase : SINGLE
Origin : Mainland China
Use : AUDIO