VMT-1 - Valcom INPUT MATCHING TRANSFORMER | Aztek Computers
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SKU: B4SRU44ENV |  Mfg. Part: VMT-1  | UPC: 799111010571  |  0 Reviews  |     Share

VMT-1 - Valcom INPUT MATCHING TRANSFORMER

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$53.09  $71.67
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Product Overview

Used as an input-matching transformer it connects telephone systems to most public address amplifiers for telephone paging. In addition it functions as an output-matching transformer to feed program material over a 600-ohm telephone line for in. music-on-holdin. . It is compatible with any amplifier having a 25V output connection. Hi-Z 10k-ohm primary impedance Lo-Z 600-ohm secondary impedance balanced with center tap Matches high-to-low impedance or low-to-high impedance Adapts lilne level signals to microphone inputs Phono jack on screw terminals for Hi-Z side Screw terminals for Lo-Z side Steel enclosure w/mounting ears allows easy mounting

Expert Overview

The VALCOM INPUT MATCHING TRANSFORMER (VMT-1) is designed for IT and business environments requiring audio signal integration between telephone systems and public address (PA) amplifiers. This device functions as an input-matching transformer, facilitating telephone paging by connecting telephone systems to most PA amplifiers. It also serves as an output-matching transformer, enabling the transmission of program material over a 600-ohm telephone line for music-on-hold applications. The VMT-1 is compatible with amplifiers featuring a 25V output connection. It manages impedance conversion, offering a Hi-Z 10k-ohm primary impedance and a Lo-Z 600-ohm secondary impedance, balanced with a center tap. This allows for adaptation of line-level signals to microphone inputs. Its steel enclosure with mounting ears supports straightforward installation within existing audio infrastructures.

Technical Specifications

  • High-quality audio performance
  • Designed for line input applications
  • Seamless integration with audio systems
  • Durable construction for long-lasting use
  • Ideal for professional and commercial use

Product Details

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  • VALCOM
  • VMT-1
  • B001QA4E46
  • 799111010571
  • New
  • 0.45 lbs
  • 7 X 3 X 5
  • Sep 14, 2026
  • Dec 03, 2021
  • Yes
  • United States
Product Identifiers: Brand: Valcom • Part #: VMT-1 • UPC: 799111010571 • ASIN: B001QA4E46 • Category: Other Kitchen Tools & Gadgets • TAA Compliant

Frequently Asked Questions

What is the primary function of the VMT-1?

The VMT-1 functions as an input-matching transformer to connect telephone systems to public address amplifiers for paging. It also acts as an output-matching transformer to feed program material over a 600-ohm telephone line for music-on-hold.

What are the impedance specifications for this transformer?

The transformer features a Hi-Z 10k-ohm primary impedance and a Lo-Z 600-ohm secondary impedance. It is balanced with a center tap, allowing it to match high-to-low or low-to-high impedance scenarios.

What type of amplifiers is the VMT-1 compatible with?

The VMT-1 is compatible with any amplifier that has a 25V output connection. It is designed for seamless integration with professional and commercial audio systems.

What connection types are available on the VMT-1?

The VMT-1 includes a phono jack on screw terminals for the Hi-Z side and screw terminals for the Lo-Z side. This setup facilitates adapting line-level signals to microphone inputs.

VMT-1 - Valcom INPUT MATCHING TRANSFORMER

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$53.09