# RCA Type 77-DX

> ribbon microphone manufactured by RCA Corporation

**Wikidata**: [Q7276065](https://www.wikidata.org/wiki/Q7276065)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/RCA_Type_77-DX_microphone)  
**Source**: https://4ort.xyz/entity/rca-type-77-dx

## Summary
The RCA Type 77-DX is a ribbon microphone manufactured by RCA Corporation. It is a specific model within the ribbon microphone class, which converts sound into electrical signals using a thin metal ribbon suspended in a magnetic field.

## Key Facts
- Instance of: microphone model
- Subclass of: ribbon microphone
- Manufacturer: RCA Corporation
- Freebase ID: /m/02608bj
- Wikipedia title: RCA Type 77-DX microphone
- Wikidata description: ribbon microphone manufactured by RCA Corporation
- Aliases: RCA 77-DX
- Sitelink count: 1
- Wikipedia languages: en

## FAQs
### Q: What type of microphone is the RCA Type 77-DX?
A: The RCA Type 77-DX is a ribbon microphone, which uses a thin metal ribbon suspended in a magnetic field to convert sound waves into electrical signals.

### Q: Who manufactured the RCA Type 77-DX?
A: The RCA Type 77-DX was manufactured by RCA Corporation, a major American electronics company.

### Q: What is the classification of the RCA Type 77-DX?
A: The RCA Type 77-DX is classified as a microphone model and is a subclass of ribbon microphones.

## Why It Matters
The RCA Type 77-DX represents an important development in microphone technology as a ribbon microphone model. Ribbon microphones like the 77-DX are known for their warm, natural sound reproduction and bidirectional pickup pattern, making them valuable tools in recording studios and broadcast environments. As a product of RCA Corporation, it carries the legacy of one of America's pioneering electronics manufacturers. The 77-DX's design and performance characteristics have made it a staple in professional audio applications, contributing to the evolution of sound recording and broadcasting technology.

## Notable For
- Ribbon microphone design using a thin metal ribbon for sound conversion
- Manufactured by RCA Corporation, a leading electronics company
- Specific model designation (Type 77-DX) within RCA's microphone lineup
- Bidirectional pickup pattern typical of ribbon microphones
- Historical significance as part of RCA's audio equipment legacy

## Body
### Technical Classification
The RCA Type 77-DX is classified as a ribbon microphone, which is a type of microphone that uses a thin metal ribbon suspended in a magnetic field to generate an electrical signal from sound waves. This design is known for producing a warm, natural sound with a characteristic bidirectional pickup pattern.

### Manufacturer Background
RCA Corporation, the manufacturer of the Type 77-DX, was a major American electronics company founded in 1919. RCA was known for producing a wide range of electronic equipment, including radios, televisions, and audio recording devices. The company played a significant role in the development of broadcast and recording technology throughout the 20th century.

### Model Specifics
As a specific model designation, the Type 77-DX represents a particular iteration in RCA's microphone lineup. While detailed specifications are not provided in the source material, ribbon microphones of this era were often used in broadcast and recording studios for their unique sound characteristics and durability.

### Historical Context
Ribbon microphones like the RCA Type 77-DX were widely used in the mid-20th century for radio broadcasting and studio recording. Their bidirectional pickup pattern made them particularly useful for capturing sound from two opposite directions, which was advantageous in certain recording and broadcasting scenarios.