Electro-Voice SH-1512 User Manual

Details frequency response, low-frequency down points, and reference efficiency.

Specifies long-term average power handling and maximum woofer acoustic output.

Covers dispersion angles, directivity factor (Q), and directivity index (D₁).

Lists harmonic distortion levels and the high/low-frequency transducer complement.

Details box tuning frequency, crossover points, slope, and nominal/minimum impedance.

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

Details enclosure materials, colors, physical dimensions, and net/shipping weights.

Highlights the 200-watt, two-way, high-efficiency design for cutting, full stage sound.

Explains the use of Road-Wood™ for durability and abuse-resistant carpeting.

Details the 90°x40° constant-directivity horn and titanium diaphragm driver.

Presents axial frequency response curves for normal and step-down tuning.

Shows horizontal polar responses at various frequencies for beamwidth analysis.

Displays vertical polar responses at selected frequencies for beamwidth analysis.

Explains Thiele-Small parameters for efficient bass response and extended tuning.

Details how horn/woofer geometry creates uniform coverage and reduces reflections.

Describes the port plug system for optimizing low-frequency output.

Explains Road-Wood material, bonding, and joint construction for sonic deadness.

Presents chart of beamwidth in degrees versus frequency for horizontal and vertical.

Shows Directivity Factor (Rq) and Directivity Index (D₁) versus frequency.

Details carpeting, corner protectors, feet, handles, and grille for road use.

Explains measurement method using swept 1/3-octave input and no external EQ.

Describes polar response measurement in anechoic environment with pink noise.

Explains Electro-Voice's real-life test signal for thermal and mechanical reliability.

Details the specific EIA test spectrum, shaping filter, and power levels.

Provides step-by-step instructions for installing the port plug to alter tuning.

Outlines the five-year warranty, coverage, exclusions, and service locations.