NC-25A Passive 1:2 Step-Up Audio Transformer for Line-Level Systems, Fully Passive No Power Required, Enhanced Stability for Hi-Fi & Tube Amplifiers, RCA Input/Output by BOYUUSOUND

★★★★★ 4.6 78 reviews

$169.99
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$169.99
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Management number 209115998 Release Date 2026/03/29 List Price $68.00 Model Number 209115998
Category
  • Bullet 1 — Core Function Passive 1:2 Step-Up Transformer for Line-Level Audio Systems Uses a 1:2 passive step-up design to improve signal matching between low-output line-level sources and high-impedance amplifiers, designed for stable performance in more demanding Hi-Fi systems.
  • Bullet 2 — System Benefit (Not “Volume Booster”) Optimizes Signal Matching for Stable System Performance Helps bring weak line-level signals closer to the ideal input range of your amplifier or preamp, supporting smoother dynamics and more consistent system behavior.
  • Bullet 3 — Fully Passive Fully Passive Design, No External Power Required Requires no power supply or charging. Passive architecture helps avoid power-related interference and supports clean, transparent signal flow in noise-sensitive systems, including tube amplifiers.
  • Bullet 4 — Upgraded Build Upgraded Build for Long-Term Stability Robust internal transformer structure and solid aluminum alloy enclosure provide mechanical stability and shielding, designed for reliable use in higher-quality audio systems.
  • Bullet 5 — Compatibility & Boundary Designed for Line-Level Audio Systems Only Works with DACs, preamps, and compatible amplifiers using RCA line-level connections. Phones and PCs require a DAC or line-level output. Not intended for direct headphone connection.
  • ~
UPC 798363846730
Model NC-25A
Brand Name BOYUUSOUND
Part Number NC-19A
Manufacturer BOYUUSOUND
Current Rating 25 Amps
Maximum Frequency 65 KHz
Minimum Frequency 35 Hz
Included Components Quick Start Guide
Item Dimensions D x W x H 1.9"D x 3"W x 1"H

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