PL-11 Resonant Mode Loudspeaker

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PL-11 Specifications:

Frequency Response:  90Hz – 20kHz (+-3dB)
Frequency Response:  70Hz – 22kHz (+3dB/-10dB)
Continuous Power Rating:  200W RMS (DML), 60W RMS (Ribbon)
Program Power / Peak Power:  300W/400W (DML), 120W/240W (Ribbon)
Recommended Amplification:  400W @ 8 ohm (DML), 240W@ 12 ohm (Ribbon)
Sensitivity:  97dB (DML), 103dB (ribbon) @ 1W / 1Meter
Peak Output:  126dB
Nominal Impedances:  1 x DML, 8 ohm, 1 x Ribbon, 12 ohm
Horizontal Coverage:  165° (DML), 120° (ribbon)
Vertical Coverage:  165° (DML), 15° (ribbon)
Dimensions: 36.4" W x 22.3" H x 2.9" D
(925mm W x 567mm H x 74mm D)

Weight: 68 lbs. (31 Kg)

Specifications subject to change without notification.

Recommended Processor Settings

DML
Cross-over: 100Hz, 18dB Butterworth - 7,000Hz, 12dB Butterworth
Delay: 0.125ms
EQ: 400Hz, -2dB, 2.8Q
1,450Hz, -3dB, 1.9Q

Ribbon
Cross-over: 6,500Hz, 12dB Butterworth - no cut-off

Subs
Cross-over: 125Hz, 24dB Butterworth
Delay: Variable
EQ: 33Hz, +6dB, 2.8Q
112Hz, -3dB, 4.3Q

 Download Mechanical Drawings and specs as pdf.

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READ THIS DOCUMENT FIRST!

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Download PL-Series
Quick Start Guide

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Download PL Series Set-up
and Mounting / Rigging Guide

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Download Brochure

2-Way System with One DML (distributed mode loudspeaker) & One Ribbon (HF)

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 Overview

The Tectonic PL-11 Flat Panel Loudspeaker is an ideal choice for small to medium sized venues where an equal audio experience for all seats across a very wide listening area is required.

The PL-11 is a passive speaker system comprised of a single Distributed Mode Loudspeaker (DML) and a large format ribbon transducer / horn. System frequency response is 90Hz – 20kHz (+-3dB) and is used in conjunction with third-party subwoofers.

The DML utilizes resonant mode acoustic physics to propagate very wide, diffuse audio energy into a given space. The DML’s diffuse output has a frequency response of ~ 90Hz to 9kHz with no cross-over network that can introduce phase and time alignment issues or possible distortion.

The PL-11 DML has a horizontal and vertical coverage of 165⁰, is feed-back resistant and generates near-zero amounts of odd-order harmonic artifacts and distortion. The net effect is superior intelligibility throughout a venue.


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The PL-11’s DML propagates wide and diffuse audio that interacts with boundaries, (walls, windows, floors and ceilings), in an equally diffuse manner. The PL-11 does not generate audio energy that is reflected as coherent first, second, third reflections that are perceived as out of phase, time-related reflections - so the acoustic space is essentially “erased”.

Even with such a diffuse output, the PL-11 creates a highly accurate stereo image that is also propagated throughout its very wide output. Nearly every location throughout a venue perceives a stereo image.

Complementing the PL-11’s DML is an integrated large-format ribbon transducer with a nominal frequency response of ~6kHz – 22kHz. A shallow horn design provides HF distribution of 120⁰ horizontal by 15⁰ vertical.

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Compact Form Factor

The form factor of the PL-11 is remarkable for its performance. Measuring approximately 3 feet wide by 2 feet tall by 3 inches deep, the PL-11 can serve well as single panel stereo pairs for small venues mounted on stands, hung in small-multiples for increased vertical HF coverage or as large multiple arrays when extended vertical coverage and space are a consideration.

Versatile Deployment

PL-11s can be stand-mounted or flown from their integral mounting system designed by Tectonic and engineered & certified by ATM™. PL-11s are also VESA mount compatible for floor stands, wall-mount and swing-arm applications.
(Rigging hardware as shown or described is optional and available at additional charge.)

Efficient to Own and Operate

PL-11s are highly efficient; delivering more acoustic output for electrical input, A typical system for 1,000 seats can be powered by a single 110v 20A outlet. Touring and/or shipping a PL-11 system is extremely compact and affordable.

Available in Custom Colors

PL-11s can be ordered in a limited number of custom colors. 

Matching or contrasting grill cloth is available.

Optional acoustically transparent socks are available in custom colors and /or graphics for color matching or branding.

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