Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Alcons QRP20
Summary of Contents for Alcons QRP20
- Page 1 product manual evolutionary audio solutions™...
-
Page 2: Table Of Contents
Table of contents Introduction Product Description Precautions Connection Installation Operation Accessories & options Specifications Simulation Declaration of conformity QRP20 Product Manual. Rev. 1.0... -
Page 3: Introduction
Ever since its founding in 2002, the Alcons Audio team has been striving for the best possible sound reproduction for any type of source material and in any size of application.To get the best performance out of your Alcons system, please read the precautions section in this manual before installing and operating. -
Page 4: Product Description
The frequency response roll-off enables an excellent partnering with additional subwoofers. The system brings the unsurpassed clear, dynamic and ultra-low distortion Alcons signature sound in a very slim and unobtrusive package; The M10 mounting points on top and bottom and the M6 universal mounting bracket pattern on the back, together with the optional ACO™ color scheme provides for an inconspicuous, low-profile presence in any application. -
Page 5: Precautions
4. Check conformity of any configuration and respect the maximum allowed values and the safety level recommended by Alcons Audio outlined in this manual. 5. Verify that the Working Load Limit (WLL) of all mounting hardware and accessories is respected. Alcons Audio is not responsible for any equipment and accessories provided by third party manufacturers. -
Page 6: Connection
4. Connection The QRP20 is a passive-filtered loudspeaker and features a high quality crossover network. As such, the QRP20 requires one processing/amplifier channel for amplification. To activate the Signal Integrity Sensing™ circuit in the amplified loudspeaker controller (ALC), the use of a 4-core loudspeaker cable with NL4 Speakon®... - Page 7 4. Connection If you do not want to use the SIS feature at all, the sense wires should be connected to the output wires at the amplifier output in the Speakon® connector. Warning! Never connect the sense+ to the output- terminal or vice versa, or short circuit both sense wires! Since you are disabling the amplifier’s feedback network, the amplifier can produce a large amount of DC at its output.
- Page 8 4. Connection For a given loudspeaker impedance, the proportional power loss as a function of cable length and cable gauge is given in the next table: 8Ω 4Ω 1.5 mm² 2.5 m² 4 mm² 6 mm² 1.5 mm² 2.5 m² 4 mm²...
-
Page 9: Installation
The operation reliability is guaranteed by the advanced limiting algorithms in the DSP; The values of the dedicated preset are based on the QRP20 system surviving a 1000 hours durability test in the R&D test bunker at Alcons Audio HQ. - Page 10 Now the QRP20 is dedicated to this channel; Next you can make a choice of filter settings within the preset: 80Hz high-pass, 100Hz high-pass or full-range operation. The Alcons VHIR™ processing ensures a flat phase response down to 200Hz with minimal latency; This enables the user to select any Alcons subwoofer to seamlessly work with the QRP20, with optimized phase response.
- Page 11 5. Installation The dedicated factory QRP20 preset ensures a flat frequency response; With the equalizer and delay sections in the ALC, the performance of the QRP20 can be adjusted to the environment and application. (See fig 7) These settings can be stored in the on-board user-preset bank. EQ and Delay settings: Fig 7.
-
Page 12: Operation
6. Operation The QRP20 is equally suitable for mobile deployment as well as fixed installation. Due to the wide 90 or 120 degree x narrow 15 degree HF dispersion, horizontal placement is less critical to still obtain a good audience coverage; However, vertically a correct speaker placement and focus is critical for an optimal performance with minimal spill on floor and ceiling, resulting in an excellent front-to-rear intelligibility. - Page 13 6. Operation The QRP20’s slim cabinet shape makes for a low-profile, unobtrusive mounting. The M10 mounting points on top and bottom and the M6 universal mounting bracket pattern on the back enable the use of swivel brackets, stand mount, shoulder eye bolt and microphone stand deployment to get the best positioning for the QRP20. Mounting option examples: Rear-mount w.
-
Page 14: Accessories & Options
7. Accessories & options Mounting options: STMTADAP WMT1 STMTM10 Standmount w. pan/tilt 10° down and 60° up Wallmount 35° left/right panning. 6cm / 2.36 Standmount w. pan/tilt 10° down and 60° up in. cabinet-to-wall depth QRP20 Product Manual. Rev. 1.0... - Page 15 7. Accessories & options ACO™ Colour option: Transport options: ACO™ ( FC2QRP20 Architect Colour Option) Flightcase for 2 pcs. QRP20 + 2 pcs. STMTM10 reducer flange The QRP20 can be finished in any of the 180+ colours from the European RAL™ colour scheme QRP20 Product Manual.
-
Page 16: Specifications
8. Specifications QRP20 product views QRP20 - Front QRP20 - Side QRP20 - Rear QRP20 - Rear/side QRP20 - Top / bottom QRP20 Product Manual. Rev. 1.0... - Page 17 8. Specifications Physical specifications Technical specifications System 2-way, full-range Frequency response 93 Hz - 20.000 Hz (+/- 3 dB) Filtering passive 82 Hz - (+/- 10 dB) Driver LF 4x AMB5NDAIC-16 5”, vented Sensitivity nominal - QRP20/90 99 dB (200 Hz - 10 kHz) Driver HF 1x RBN401 4”...
- Page 18 8. Specifications Dimensional drawing Drawing not to scale QRP20/90 QRP20/120 QRP20 Product Manual. Rev. 1.0...
-
Page 19: Simulation
9. Simulation The projection performance of the QRP20/90 can be simulated through the EASE programs. Visit www.alconsaudio.com/simulation to download the GLL data set. QRP20/90 Horizontal: QRP20/90 Vertical: QRP20 Product Manual. Rev. 1.0... - Page 20 9. Simulation The projection performance of the QRP20/120 can be simulated through the EASE programs. Visit www.alconsaudio.com/simulation to download the GLL data set. QRP20/120 Horizontal: QRP20/120 Vertical: QRP20 Product Manual. Rev. 1.0...
-
Page 21: Declaration Of Conformity
10: EC declaration of conformity Alcons Audio BV De Corantijn 69 1689 AN ZWAAG The Netherlands States that the following products: QRP20/90 QRP20/120 Are in conformity with the provisions of: Low Voltage Directive, 2006/95/EC Electro-Magnetic Compatibility Directive, 2004/108/EC Applied rules and standards:... - Page 22 A: Alcons Audio HQ A: Alcons Audio USA A: Alcons Audio GmbH De Corantijn 69 PO Box 1410 Stargarderstraße 2 1689 AN, Zwaag Felton, CA 95018 30900 Wedemark The Netherlands United States of America Germany T: + 31 (0) 229 28 30 90...
Need help?
Do you have a question about the QRP20 and is the answer not in the manual?
Questions and answers