| SB 33 A Series |
|
| Audio/acoustic and electrical — speaker |
| Speaker type | Stereo, 1-way, full range, surface-mount speaker |
| Frequency range | 100 Hz to 20 kHz, -10 dB, full space (per IEC 60268-5) (when the bass and treble pots are set to their 12 o'clock positions) |
| Maximum SPL | 95 dB, 1 m (calculated) |
| Nominal coverage angles | Horizontal: 130° (1 kHz-4 kHz, weighted 2 kHz-4kHz)
Vertical: 130° (1 kHz-4 kHz, weighted 2 kHz-4kHz) |
| Driver | (2) 3" (76.2 mm) paper cone |
| Input connectors | (2) 5 mm captive screw connectors, 2-pole (internal) |
|
| Audio — power amplifier |
| Stereo channel separation | >60 dB @ 1kHz |
| CMRR | 74 dB (typical) @ 1 kHz |
| Bass adjustment | ±10 dB @ 80 Hz (reference) to 1 kHz (2 dB tolerance) |
| Treble adjustment | ±10 dB @ 10 kHz (reference) to 1 kHz (2 dB tolerance) |
|
| Audio input — power amplifier |
| Number/signal type | 1 stereo, balanced/unbalanced input
2 stereo, unbalanced inputs |
| Connectors | (1) 3.5 mm captive screw connector, 5-pole (main input) (1) 3.5 mm mini audio jack (tip, ring, sleeve) 1 pair female RCA |
| Impedance | >10k ohms unbalanced/balanced, DC coupled |
| Maximum level | |
| RCA and TRS inputs | +7 dBV (unbalanced) at 1% THD+N |
| Captive screw input | +12 dBu (balanced) at 1% THD+N |
| Amplifier input sensitivity | |
| Balanced | -8 dBu |
| Unbalanced | -16 dBV |
| Input signal detection threshold | RCA and mini audio jacks: -55 dBV (2.24 mV) ±3 dB, unbalanced
Captive screw connector: -46 dBu (3.88 mV) ±3 dB, balanced |
| Standby mode timer | Triggers after 25 minutes (±5 minutes) with no signal |
| NOTE | 0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu |
|
|
| Audio output - power amplifier |
| Number/signal type | 1 stereo (2 channels total) |
| Connector | (2) 5 mm captive screw connectors, 2-pole |
| High pass filter | 80 Hz, 12 dB/octave roll off |
| Amplifier type | Class D |
| S/N | >90 dB, at maximum output (15 dBu), balanced (unweighted) |
|
| Communications — amplifier |
| Control port | (1) 3.5 mm captive screw connector, 3-pole |
| Pin configuration | Pin 1 = +10 VDC, 50 mA (max.), pin 2 = volume/mute (variable voltage), pin 3 = GND |
| Volume control voltage range | 0 V (mute) to 10 V (maximum volume) |
|
| Switched DC power output |
| Quantity/type | 3 switched 12 VDC outputs |
| Connectors | (3) 3.5 mm captive screw connectors, 2 pole (2 available for peripherals) |
|
| General |
| Power supply | Internal
Input: 100-240 VAC, 50-60 Hz, 4.2 A |
Power consumption and thermal dissipation
| |
115 VAC, 60Hz |
230 VAC, 50Hz |
AC Line
Current |
AC Power
Consumed |
Thermal
Dissipation |
AC Line
Current |
AC Power
Consumed |
Thermal
Dissipation |
| Condition |
A |
W |
W |
BTU/hr |
A |
W |
W |
BTU/hr |
Active (1/8 power), all
channels driven |
0.1 |
9.1 |
5.4 |
18 |
0.1 |
9.1 |
5.3 |
18 |
| Quiescent (idle) |
0.1 |
3.7 |
3.7 |
13 |
0.1 |
3.7 |
3.7 |
13 |
| Standby |
<0.1 |
<1 |
<1 |
<3 |
<0.1 |
<1 |
<1 |
<3 |
|
| NOTE | Standby is triggered after 25 minutes (±5 minutes) with no signal. |
|
| Ambient 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 |
| Cooling | Convection |
| Protection | Clip limiting, thermal, short circuit, DC output |
| Indication | Power LED indicates power/standby status and DC fault (see user guide for details on DC fault). |
| Mounting | |
| Furniture mount | Yes, with VESA mount (available via 3rd party) and SMK V SB 33 Plus or SMK V SB 33 82-100 |
| Wall mount | Yes, with included hardware |
| Included accessories | Setup guide, wallplate, webcam shelf, (1) 5-pole 3.5 mm captive screw, (1) 3.5 mm, 3-pole captive screw, DC power cable, IEC power cable |
| Enclosure type | Black metal and plastic |
| Enclosure dimensions | |
| SB 33 A 46-55 | 6.0" H x 40.0" W x 3.9" D to 6.0" H x 49.0" W x 3.9" D
(15.3 cm H x 101.6 cm W x 9.8 cm D to 15.3 cm H x 124.5 cm W x 9.8 cm D) |
| SB 33 A 55-65 | 6.0" H x 48.0" W x 3.9" D to 6.0" H x 57.0" W x 3.9" D
(15.3 cm H x 121.9 cm W x 9.8 cm D to 15.3 cm H x 144.8 cm W x 9.8 cm D) |
| SB 33 A 65-70 | 6.0" H x 56.0" W x 3.9" D to 6.0" H x 65.0" W x 3.9" D
(15.3 cm H x 142.2 cm W x 9.8 cm D to 15.3 cm H x 165.1 cm W x 9.8 cm D) |
| SB 33 A 75-80 | 6.0" H x 64.0" W x 3.9" D to 6.0" H x 73.1 W x 3.9" D
(15.3 cm H x 162.6 cm W x 9.8 cm D to 15.3 cm H x 185.4 cm W x 9.8 cm D) |
| SB 33 A 82-90 | 6.0" H x 72.0" W x 3.9" D to 6.0" H x 81.0" W x 3.9" D
(15.3 cm H x 182.8 cm W x 9.8 cm D to 15.3 cm H x 205.7 cm W x 9.8 cm D) |
| SB 33 A 90-100 | 6.0" H x 80.0" W x 3.9" D to 6.0" H x 89.0" W x 3.9" D
(15.3 cm H x 203.2 cm W x 9.8 cm D to 15.3 cm H x 226.1 cm W x 9.8 cm D) |
| Product weight | |
| SB 33 A 46-55 | 13.1 lbs (5.9 kg) |
| SB 33 A 55-65 | 14.3 lbs (6.5 kg) |
| SB 33 A 65-70 | 15.5 lbs (7.0 kg) |
| SB 33 A 75-80 | 16.7 lbs (7.6 kg) |
| SB 33 A 82-90 | 20.3 lbs (9.2 kg) |
| SB 33 A 90-100 | 21.5 lbs (9.8 kg) |
| Regulatory compliance | CE, CEC, CISPR 22 Class B, C-tick, ENERGY STAR®, European Code of Conduct, FCC Class B, ICES, RoHS, UL, CUL, VCCI Class B |
| Warranty | |
| Product | 3 years parts and labor |
| Speaker drivers | 5 years parts and labor |
| Everlast power supply | 7 years parts and labor |
| NOTE | All nominal levels are at ±10%. |
|
| NOTE | Specifications are subject to change without notice. |
|
| (5788-D3) |