dB — decibel A unit used to express relative difference in power or intensity, usually between two acoustic or electric signals, equal to ten times the common logarithm of the ratio of the two levels.

Diagonal Screen — A method of measuring the size of a screen or a projected image. It measures from one corner to the opposite corner. A 9 ft high and 12 ft wide, screen has a diagonal of 15 ft. This document assumes that the diagonal dimensions are for the traditional 4:3 ratio of a computer image as per the example above.

DHCP — Dynamic Host Configuration Protocol A network protocol that enables a server to automatically assign a TCP/IP address to a device.

DLP® Digital Light Processing™ Reflective display technology developed by Texas Instruments, using small manipulated mirrors. Light passing through a color filter is sent to the DLP mirrors which arrange the RGB colors into a picture projected onto screen, also known as DMD.

DMD — Digital Micro-Mirror Device Each DMD consists of thousands of tilting, microscopic aluminum alloy mirrors mounted on a hidden yoke.

DNS — Domain Name System An Internet service that translates domain names into IP addresses.

Focal Length — The distance from the surface of a lens to its focal point.

Frequency — It is the rate of repetition in cycles per seconds of electrical signals. Measured in Hz (Hertz).

HDCP — High-Bandwidth Digital-Content Protection A specification developed by Intel™ Corporation to protect digital entertainment across digital interface, such as DVI, HDMI.

HDMI — High-Definition Multimedia Interface HDMI carries both uncompressed high definition video along with digital audio and device control data in a single connector.

Hz (Hertz) — Unit of frequency.

IEEE802.11 — A set of standards for wireless local are network (WLAN) communication. 802.11b/g/n uses the 2.4 GHz band.

Keystone Correction — Device that will correct an image of the distortion (usually a wide-top narrow-bottom effect) of a projected image caused by improper projector to screen angle.

Maximum Distance — The distance from a screen the projector can be to cast an image that is usable (bright enough) in a fully darkened room.

Maximum Image Size — The largest image a projector can throw in a darkened room. This is usually limited by focal range of the optics.

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7700 specifications

The RCA 7700 is a legendary piece of technology that embodies the spirit of innovation and quality found in mid-20th century audio and television equipment. Introduced in the 1970s, this model is renowned for its exceptional sound reproduction and robust design, making it a favorite among audiophiles and collectors alike.

One of the standout features of the RCA 7700 is its outstanding audio fidelity. The unit is equipped with advanced signal processing technology that ensures a clean and rich sound across a variety of formats. This includes FM and AM radio, as well as vinyl records, which were incredibly popular during its time. The RCA 7700 is designed to produce a warm, full-bodied sound that captures the nuances of music, providing an immersive listening experience.

The RCA 7700 incorporates a high-quality tuner, allowing users to easily access a wide range of radio stations with minimal interference. This is achieved through its precision-engineered circuits and well-designed antenna system, which greatly enhances the reception quality. The tuner is complemented by a bright and clear display that provides easy navigation and station identification.

In terms of build quality, the RCA 7700 demonstrates the durability and craftsmanship expected from RCA products. Its robust chassis and premium components ensure longevity and reliability, making it a valuable addition to any vintage audio collection. The aesthetic design incorporates a classic mid-century look, featuring sleek lines and a polished finish that make it an attractive piece for any room.

The RCA 7700 also includes various inputs and outputs that provide versatility for connecting to different audio sources. This includes auxiliary inputs for external devices, making it compatible with modern technology while maintaining its vintage charm. The user interface is intuitive, allowing users to effortlessly switch between different modes and settings.

Overall, the RCA 7700 is more than just a piece of hardware; it is a symbol of a bygone era of audio innovation. Its combination of superior sound quality, sturdy construction, and timeless design solidify its place in the hearts of music lovers and collectors around the world. Whether in a vintage setting or alongside modern equipment, the RCA 7700 continues to make a lasting impression with its remarkable performance and enduring appeal.