SM 28

Technische Daten

SM 28, SM 28T
Audio/acoustic and electrical
Speaker type	2-way, full range, indoor surface mount speaker
Frequency range	59 Hz to 22 kHz, -10 dB, full space (per IEC 60268-5)
Frequency response	67 Hz to 17.5 kHz, +/- 3 dB full space
Power capacity	90 W (rms) continuous pink noise (per IEC  60268-5) 180 W (rms) continuous program
Rated maximum input voltage (MIV)	25.1 V (78.9 W at 8 ohms) per AES2-2012)
Maximum SPL	108 dB, 1 m (based on MIV) 109 dB, 1 m (linear)
Nominal sensitivity	87 dB SPL, 1 W, 1 m, full space (per IEC 60268-5, 60 Hz to 20 kHz)
Nominal coverage angles	Horizontal: 105° (1 kHz - 4 kHz, weighted 2 kHz - 4 kHz) Vertical: 60° (1 kHz - 4 kHz, weighted 2 kHz - 4 kHz)
Nominal impedance	8 ohms
Crossover frequency	2.0 kHz
Rotary switch taps (SM 28T only)	70 V: 64 W, 32 W, 16 W, 8 W, Off, 8 ohms direct 100 V: null, 64 W, 32 W, 16 W, Off, 8 ohms direct
Woofer	(1) 8" (203.2 mm) polypropylene cone
Tweeter	(1) 1.1" (28 mm) silk dome
Overload protection	Full range power limiter protecting the tweeter, woofer, and crossover
Input connectors
Speaker	2 recessed pins (mate to receptacles on mounting plates)
Mounting plate	(1) Euro-style captive screw terminal block, 4 pole
General
Package	2 speakers (1 pair) with mounting kit package
Temperature/humidity	Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
Mounting	Wall mountable with included mounting plates
0° mounting plate	Fixed 0°
10° mounting adapter	Fixed 10° up, down, left, or right, based on orientation of adapter
Yoke mount (optional)	Up to 90° upward/downward or left/right, in 10° steps based on orientation of yoke
Enclosure type	Plastic, trapezoidal, with molded grille and bass reflex ports
Enclosure outer dimensions
Speaker only	16.50" H x 11.50" W x 7.28" D (41.91 cm H x 29.21 cm W x 18.49 cm D)
With 0° mounting plate	16.50" H x 11.50" W x 7.80" D (41.91 cm H x 29.21 cm W x 19.81 cm D)
With 0° mounting plate attached to 10° mounting adapter	Orientation: vertical, angled 10° down 16.78" H x 11.50" W x 10.16" D (42.63 cm H x 29.21 cm W x 25.81 cm D)
Product weight
SM 28
Speaker only	10.1 lbs (4.6 kg) each
With 0° mounting plate	10.9 lbs (5.0 kg) each
SM 28T
Speaker only	12.0 lbs (5.4 kg) each
With 0° mounting plate	12.8 lbs (5.8 kg) each
Shipping weight
SM 28	Pair: 30 lbs (14 kg) with mounting kit package
SM 28T	Pair: 33 lbs (15 kg) with mounting kit package
Regulatory compliance
Safety/EMI	CE
Environmental	Complies with the appropriate requirements of RoHS and WEEE.
Product warranty	5 years parts and labor
NOTE     All nominal levels are at ±10%.
NOTE     Specifications are subject to change without notice.
(4031-D5-060517)

Versand-Abmessung und -Gewicht
Teilenummer	Höhe	Breite	Tiefe	Gewicht
60-1309-02	55,9 cm	55,9 cm	43,2 cm	13,15 kg
60-1309-03	55,9 cm	55,9 cm	43,2 cm	13,61 kg
60-1309-12	57,2 cm	34,9 cm	46,4 cm	13,15 kg
60-1309-13	57,8 cm	34,9 cm	46,4 cm	13,31 kg