Shure A85F Transformer; Low Z, Female XLR to High Z 1/4" Phone Plug
Shure A85F Transformer; Low Z, Female XLR to High Z 1/4" Phone Plug is backordered and will ship as soon as it is back in stock.
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Shure A85F Transformer; Low Z, Female XLR to High Z 1/4" Phone...
Product Overview
The Shure A85F is a line matching transformer that connects a balanced low-impedance microphone output to an unbalanced high-impedance input, terminating in a 1/4" phone plug. It lets AV technicians interface a professional XLR microphone with high-impedance instrument or consumer inputs on mixers and recorders. The transformer is a common interconnect accessory in mixed-impedance AV and broadcast setups.
Product Description
This low-to-high impedance matching transformer adapts a balanced, low-impedance microphone signal to an unbalanced, high-impedance 1/4" input found on many mixers, recorders, and instrument-level devices. It preserves signal integrity over the impedance conversion, helping AV integrators connect professional microphones to gear that lacks a balanced XLR microphone input. The female XLR input accepts a standard microphone cable, while the 1/4" phone plug output mates with high-impedance jacks common in commercial and portable AV equipment. It is a compact, passive solution that requires no power, making it reliable for field and fixed-install interconnect needs. AV professionals keep it on hand to resolve impedance and connector mismatches during system integration.
Key Features
- Impedance Matching — Connects a balanced low-impedance microphone output to an unbalanced high-impedance input.
- XLR to 1/4" Conversion — Provides a female XLR input and a high-impedance 1/4" phone plug output.
- Passive Operation — Requires no power, making it reliable for field and fixed-install use.
- Signal Integrity — Maintains signal quality across the impedance conversion for clean audio transfer.
- Integration Utility — Resolves impedance and connector mismatches when interfacing professional mics with high-impedance inputs.
Technical Specifications
| Model | A85F |
| Type | Line matching transformer |
| Function | Balanced low-impedance to unbalanced high-impedance |
| Input | Low-Z female XLR |
| Output | High-Z 1/4" phone plug |
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