User manual ELECTRO-VOICE 671A DATASHEET
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Manual abstract: user guide ELECTRO-VOICE 671ADATASHEET
Detailed instructions for use are in the User's Guide.
[. . . ] Designed for the contractor, 671A two-channel amplifiers feature 2RU constructions, Phoenix-type connectors for inputs and outputs, pre-programmable power-on delay, easy power-on remote via contact enclosure, rear level controls, and a switchable, 50 Hz high-pass filter (HPF).
Various optional signal processing modules include 500 Hz and 800 Hz crossovers for cinema systems as well as the XHP Variable high-pass module for ZX, Sx, and EVID loudspeakers. [. . . ] High-pass filter (HPF)
Contractor Precision Series
Multi-Channel Models 671A4. 5, 671A8. 5, and 671A4. 10
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Class-D design for high-efficiency and low heat dissipation Flexible matching for Low-Z and High-Z applications Optional remote control via IRIS-Net Four- and eight-channel designs in 2RU chassis
The new four- and eight-channel 671A amplifiers from ElectroVoice feature groundbreaking Class-D technology for maximum amp efficiency and minimized heat dissipation in 19-inch racks. Each channel individually provides transformerless, switchable output characteristics, which enable specific channels to achieve maximum drive. Power into 2 Ohms, 4 Ohms, 70V, or 100V line no transformers are required. In Hi-Z operation (70V or 100V), a 50 Hz high-pass filter (HPF) provides protection against loudspeaker transformer saturation. ** When High-Z modes (70V or 100V) are activated, a Hipass-Filter @ 50 Hz is automatically inserted to avoid speaker X-Former saturation.
Bosch Communications Systems AmericasHeadquarters Americas Bosch Security Systems, Inc. 12000 Portland Ave South, Burnsville, MN 55337, USA USAPh: 1 800 392 3497 Fax: 1 800 955 6831 CanadaPh: 1 866 505 5551 Fax: 1 866 336 8467 Latin AmericaPh: 1 952 887 5532 Fax: 1 952 736 4212 Europe, Middle-East & Africa Headquarters EMEA Bosch Sicherheitssysteme GmbH Robert-Koch-Strasse 100 85521 Ottobrunn, Germany Contact & Visitor Address EVI Audio GmbH Hirschberger Ring 45 94315 Straubing, Germany Phone +49 9421 706 0 Fax: +49 9421 706 265 France: EVI Audio France S. A. S Phone: +33 1 6480 0090 Fax: +33 1 6006 5103 UK: Shuttlesound Ltd. Phone: +44 208 646 7114 Fax: +44 208 254 5666 Middle East: Robert Bosch Middle East FZE Tel. +97 14 212 3388 Asia & Pacific Headquarters APR Robert Bosch (SEA) Pte Ltd 38 C Jalan Pemimpin Singapore 577180 Singapore/ ASEAN: Robert Bosch (SEA) Pte Ltd Tel: +65 6319 0616 Fax: +65 6319 0620 Australia: Bosch Security Systems Pty Ltd Tel: +61 2 9683 4752 Fax: +61 2 9890 5928 China: Telex EVI Audio (Shanghai) Co. , Ltd. [. . . ] Tel: +86 21 6317 2155 Fax: +86 21 6317 3025 India: Bosch Limited Tel: +91 80 4176 8378 Fax: +91 80 4176 8263 Japan: EVI Audio Japan Tel: +81 3 5316 5020 Fax: +81 3 5316 5030 Thailand: Robert Bosch Limited Tel: +662 639 3111 Fax: +662 631 2030
© Bosch Security Systems, Inc. [. . . ]
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