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Electro-Voice BK-315 User Manual

Electro-Voice BK-315
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Electro-Voice BK-315 Specifications

General IconGeneral
Coverage (Nominal -6 dB) H°90°
Nominal Impedance8 ohms
LF Transducerwoofer
HF Transducertitanium compression driver
Connectors2 x Neutrik NL4MP Speakon connectors
Enclosure MaterialPlywood
TypeTwo-way full-range

Summary

Electro-Voice BK-315 Specifications

Frequency Response

Specifies the audio frequency range covered by the speaker system, from 60-20,000 Hz.

Low Frequency Limits

Details the 3-dB and 10-dB down points for low-frequency reproduction.

Sensitivity and Efficiency

Covers reference efficiency and sound pressure level at 1 Watt input.

Dispersion Characteristics

Describes the horizontal and vertical sound coverage angles and directivity.

Distortion Performance

Quantifies harmonic distortion at different power levels and frequencies.

Transducer Complement

Lists the drivers used: 1" titanium HF, compression driver, 15" LF woofer.

Crossover and Tuning

Specifies crossover frequencies (900 Hz, 5 kHz) and box tuning frequency (60 Hz).

Impedance

States the nominal 8-ohm and minimum 5-ohm impedance.

Input and Construction Details

Input Connections

Features parallel 1/4-inch phone jacks for connecting multiple speakers.

Enclosure

Constructed of 3/4-inch void-free plywood with a black textured finish.

Dimensions

Provides the physical size: 74.4 cm (29.3 in.) high.

Weight

Specifies net weight of 28 kg (62 lb) and shipping weight of 31 kg (68 lb).

Optional Accessory

Includes an optional EV 484 stand mount kit.

System Description

Overview

Designed for accurate reproduction of electronic instruments with full-range audio.

High-Frequency Section

Utilizes a 1-inch titanium driver and a 60°x40° CD horn for extended highs.

Polar Response and Directivity

Polar Response

Illustrates sound dispersion patterns across various frequencies (horizontal/vertical).

Beamwidth vs Frequency

Graphically displays the beamwidth in degrees relative to frequency.

Directivity vs Frequency

Shows directivity factor (Q) and index (D1) across the frequency spectrum.

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