8” Coaxial Speaker (optional transformer)
For 25 or 70 7 volt distributed systems: The loudspeaker shall be 8” Coaxial Speaker (optional transformer) ©2012 Lowell Manufacturing Company, 100 Integram Dr
RCS5XT Coaxial 1 Torsion-Mount Speaker Package
Ł Coaxial for Smooth High-Frequency Dispersion Ł Dual 70 7/25-volt Xfrmr with Spade-lug Taps Ł Terminal Block Connection DESCRIPTION The Penton Audio RCS5XT is a premium speaker package with a coaxial 5-1/4 fl speaker mounted to a CRS, torsion-mount baffle, complete with an attached high-quality, dual-voltage transformer
65 in Coaxial Compression Driver • Optional Transformer
For 70 7 volt distributed systems:(Model No 6A40-T870 only) The driver shall be equipped with a transformer, factory mount-ed and wired The transformer’s primary voltage shall be 70 7V and shall provide selectable power taps of 1, 2, 4, 8 watts Transformer frequency response shall be 50Hz –15kHz+1dB, with maximum insertion loss of 0 8 dB
RCS8XT Coaxial 1 Torsion-Mount Speaker Package
Ł Dual 70/7/25-volt Xfrmr with Spade-lug Taps Ł Terminal Block Connection DESCRIPTION The premium Penton Audio RCS8XT speaker package uses a coaxial, 8 fl cone loudspeaker with 10-ounce magnet and 1fl Mylar dome tweeter complete with a 1/2fl moving coil and neodymium magnet This model is fully assembled including transformer and grille
QCS-810CXBT-WG
8" Coaxial Speaker with 25/70 Volt transformer & Attractive Grille Haut-Parleur Plafonnier 8’’ Coaxial avec transformateur 25/70V et Grille Stylisée General Description: Features: Caractéristiques: • High intelligibility with exceptional uniform coverag • Haute intelligibilit avec une couverture uniforme exceptionnelle
QCS-65TX
6 5" Coaxial Speaker with 25/70 Volt transformer & Attractive Grille Haut-Parleur Plafonnier 6 5’’ Coaxial avec transformateur 25/70V et Grille Stylisée General Description: Features: Caractéristiques: • High intelligibility with exceptional uniform coverag • Haute intelligibilit avec une couverture uniforme exceptionnelle
Speaker Assemblies - Accessories
Cone Speaker with pre-mounted 5 Watt, 25 Volt and 70 Volt Line Transformer Speaker assembly 8” Full Range, Coaxial Speaker with pre-mounted 10 Watt, 25 Volt and 70 Volt Line Transformer Line Transformer T2570/10 - 10 Watt, 25/70V Ceiling Speaker Back Box ERD8 -Closed Steel Enclosure Ceiling loudspeaker tile bridge Permits mounting
XT550 Outdoor/In-Ground Speaker
Volt input, 1 meter) shall be at least 86 dB The maximum continuous output at 1 meter shall be 101 0 dB Rated power capacity of the components and network shall be at least 60 Watts continuous RMS power The loudspeaker shall have a nomi-nal impedance of 4 Ohms and be available for 25/70 7/100 Volt modes with transformer bypass position
12 Transformers, Impedance Matching and Maximum Power Transfer
transformer is voltage step-down, it is current step-up ) The equation for current corresponding to equation (1) is (2) Ip Is = Ns Np So the current is inversely proportional to the number of turns If we are lucky the manufacturer of a transformer publishes the ratio of turns for the transformer r = Np ‚Ns For example, you might be given
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