- High-fidelity music
- Excellent sound reproduction at 8ohms, 25V, 70V or 100V
- For high quality indoor or protected (covered) outdoor installation
- Driver: 5.25 in. polypropylene coated woofer with rubber surround for weather resistance. Half inch PEI tweeter for clear frequency reproduction. Frequency response 102Hz–16.5kHz (±6dB) and 89Hz–20kHz (±7.5dB). Average sensitivity 85.4 dB (1W/1M). 50W. 115˚ H x 115˚ V conical dispersion. Input selector switch. Measures 8.74 in. x 7.01 in. x 5.49 in. (without bracket).
- Transformer: Screwdriver-adjustable switch allows for direct 8ohm or distributed 25V, 70V or 100V tap positions.
- Enclosure: Molded plastic housing with weather-resistant terminal cover. Black.
- Grille: Fine mesh aluminum. Black.
- Mounting Aids: Adjustable U-shaped bracket for horizontal or vertical installation allows speaker to rotate 90 degrees, depending on install orientation. Black.
The speaker for indoor/outdoor foreground music application shall be Lowell Model OS-50TB. The speaker shall have a 5.25 in. polypropylene coated woofer and 1/2 in. PEI tweeter. It shall have a 50W power rating with a screwdriver-adjustable switch for direct 8ohm or distributed 25V, 70V or 100V application. It shall have a frequency response of 102Hz-16.5kHz (±6dB) and sensitivity of 85.4dB measured 1W1M. Housing shall be molded plastic with a fine mesh aluminum grille with black finish. The assembly shall include an adjustable U-bracket for vertical or horizontal installation with slots for mounting to a single gang E.O. box. Each speaker shall measure 8.74 in. x 7.01 in. x 5.49 in. (without bracket), 9.10 in. x 7.01 in. x 6.01 in. (with included bracket) and weigh 4.9 lbs. Housing shall be equipped with 1/4 in.–20 threaded inserts.
