EVC-7790 DR-320 is a professional-grade digital audio recorder
designed for security and surveillance environments, characterized by its "extra quality" capabilities in long-term continuous recording. Technical Overview
The EVC-7790 DR-320 serves as a high-capacity, hard-disk-based storage system primarily used in security setups like one-way emergency voice communication (EVC) systems. Its "extra quality" designation refers to its ability to maintain CD-quality audio over extended periods without interruption. Key Specifications Recording Capacity : Supports up to of continuous recording. : Features 2-channel recording to capture simultaneous audio/video data. Form Factor : Standard evc7790 dr320 extra quality
rack-mountable design for professional AV and security racks. Storage & Backup : Internal hard disk base with a for external data backup. User Interface : Equipped with a large LCD display and built-in speaker for real-time monitoring and playback. Core Applications Security & Forensics
: Captures every conversation or sound during security breaches, providing "important proof" for legal or investigative purposes. Building Surveillance EVC7790 / DR320 Extra Quality — Technical Paper 9
: Often integrated with building intercom systems to verify visitors entering restricted areas. Rugged Environments : Designed with a tough housing
to ensure stability and durability in various environmental conditions. Results depend on actual EVC7790 silicon/firmware — tuning
For detailed procurement or bespoke security solutions incorporating this device, you can contact specialized vendors like EVSS Sales & Services Vision Security Technology for this device or for a new security installation? EVC-7790 DR-320 Digital Recorder
Standard rollers might have a runout tolerance of 0.05mm. Extra Quality versions of the DR320 demand a runout of less than 0.01mm. For a machine running at high speeds, this eliminates "wow" and "flutter" in the media path, ensuring that print lines remain razor-sharp.
To assess the characteristics, quality level, and potential applications of the product identified as EVC7790 DR320 Extra Quality.