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AtlasIED LT72 4W General‑Purpose Line Matching Transformer
The AtlasIED LT72 is a compact, cost-effective line matching transformer that adapts standard 8 Ω speakers for use in 25 V or 70.7 V distributed audio systems. With selectable power taps of 0.5, 1, 2, or 4 W, it provides versatile power control while minimizing system losses.
Featuring a rugged design with color-coded lead wires, the LT72 maintains less than 1.5 dB insertion loss and offers a flat frequency response (+1.5 dB) across 100 Hz–10 kHz, making it well-suited for commercial audio applications, including offices, retail, and PA systems.
Key Features
- Selectable Power Taps: 0.5, 1, 2, and 4 W for precise level matching
- Dual Voltage Compatibility: Supports both 25 V and 70.7 V audio lines
- Low Insertion Loss: ≤ 1.5 dB for clear, consistent audio
- Frequency Range: 100 Hz–10 kHz with ±1.5 dB tolerance
- Compact Size: Measures just 1.4″ × 1.75″ × 0.75″
Technical Specifications
- Dimensions: 1 3/8″ H × 1 3/4″ W × 3/4″ D (3.49 × 4.37 × 1.83 cm)
- Weight: 0.50 lbs (0.23 kg)
- Primary Voltage: 25 V / 70.7 V
- Power Taps: 0.5, 1, 2, 4 W
- Secondary Impedance: 8 Ω
- Insertion Loss: ≤ 1.5 dB
- Frequency Response: 100 Hz–10 kHz ±1.5 dB
- Termination: Lead-wire connections (color-coded)
- Warranty: 60 months (5 years)
What’s Included
- LT72 transformer with 6″ color-coded lead wires