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RCA VH58 Matching Transformer - 300 to 75 Ohm — main product image
RCA

RCA VH58 Matching Transformer - 300 to 75 Ohm

★★★★★3.9 (141 reviews)

Simple push-on transformer converts 300-ohm flat antenna wire to 75-ohm coaxial for quick TV or VCR hookup.

$7.37*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The RCA VH58 Matching Transformer is a simple but essential adapter for anyone who needs to bridge the gap between older 300-ohm flat twin-lead antenna wire and modern 75-ohm coaxial inputs found on televisions, VCRs, and other video equipment. This is a common need when connecting vintage indoor antennas, legacy cable installations, or older AV equipment that uses flat ribbon-style antenna leads to a device with only an F-type coaxial port.

Installation is straightforward — the flat twin leads attach to the transformer's terminals, and the coaxial side pushes directly onto the F-type connector on your device. As a passive transformer, it handles impedance matching without requiring power or introducing active components that could add noise. The compact, lightweight design keeps it unobtrusive behind your equipment. RCA backs the VH58 with a lifetime warranty, providing long-term assurance for a product that, once installed, is typically left in place indefinitely.

Key Features

Adapts 75ohm Coaxial To 300ohm Flat Antenna Leads

Great for all your needs

Great for all your needs

Adapts (75 ohm) to flat antenna leads(300 ohm)

Adapts flat twin leads to an F type connector on your TV or VCR

Lifetime

Adapts (75 ohm) to flat antenna leads(300 ohm)

Adapts flat twin leads to an F type connector on your TV or VCR

Lifetime Warranty

Specifications

Brand
RCA
Model
VH58
Type
Matching Transformer
Impedance Conversion
300 Ohm to 75 Ohm
Connector Output
F-Type (push-on)
Usage
Indoor
Warranty
Lifetime

Pros & Cons

👍 Pros

  • Inexpensive solution for connecting flat twin-lead antenna wire to coaxial inputs.
  • Push-on design requires no tools for the coaxial connection.
  • Compact and lightweight — adds virtually no bulk to your setup.
  • Backed by a lifetime warranty from RCA.

👎 Cons

  • Designed for indoor use only, not suitable for outdoor or weatherproof installations.
  • Passive device with no signal amplification, so weak signals remain weak.
  • Push-on coaxial connection may be less secure than a threaded F-type connector.
  • Limited to a single use case — only useful if you have 300-ohm flat antenna leads.

Frequently Asked Questions

It converts a 300-ohm flat twin-lead antenna connection to a 75-ohm F-type coaxial connector, allowing you to connect older antennas or devices with flat wire to modern coaxial inputs on TVs and VCRs.
No. The coaxial side pushes directly onto an F-type connector, and the flat twin-lead side uses simple screw terminals or spade lugs, so no special tools are needed.
This transformer is designed for indoor use. For outdoor installations, a weatherproof matching transformer would be more appropriate.
No. It is a passive device that only converts impedance between 300 ohm and 75 ohm. It does not boost or amplify the signal.

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