DS3 Dodecahedron Speaker omni-directional sound source incl. 5m Speakon Cable and softbag

DODEC-DS3 | ฟังก์ชั่นการวัด

The Dodecahedron Speaker Kit, comprising of the DS3 Dodecahedron Loudspeaker and the PA3 Power Amplifier, 

is the measuring equipment designed for professionals for use in their daily measuring tasks in room and building acoustics. 

DODEC-DS3 | จุดเด่น

Equalized acoustic frequency spectrum from 100 Hz to 8 kHz

Maximum sound power typ. 120.5 dB

Compact, robust and lightweight

Wireless remote control

ISO 16283 and ISO 3382 standards.

DODEC-DS3 | ช่วงการวัด

Sound power level > 120.0 dB re 1 pW (typical 120.5 dB re 1 pW)

Frequency range 50 Hz to 10 kHz

DODEC-DS3 | Power Supply

detail Power Supply ...........

DODEC-DS3 | ขนาดสินค้า

Diameter 350 mm (13.8”)

Weight 7.5 kg (16.53 lbs)

DODEC-DS3 | อุปกรณ์ที่มาในชุด

Carrying bag, 

Speakon cable 5 m, 

Manufacturer Calibration Certificate

DODEC-DS3 | อุปกรณ์เสริม

Speaker stand 35 mm, 

130...230 cm retractable, 

with carrying bag (NTi # 600 000 508)

DODEC-DS3 | ข้อมูลจำเพาะ

Maximum short-period output power 2*260 W into 2*4 W (@ ≤ 1% THD)

Maximum continuous output power1) 2*150 W into 2*4 W (with internal Pink noise @ maximum level)

Load impedance ≥ 3 W (4-wire connection) or ≥ 8 W (2-wire connection / Bridge mode)

Protection Dynamic compressor, temperature, overcurrent, DC, excessive clipping

Output connector 4-pin Speakon (chn1: 1+|1– / chn2: 2+|2– or Bridge mode: 1+ / 2–)

THD typ. 0.017% @ 2*120 W into 2*4 W, 1 kHz

Level flatness +0 / –3.3 dB2) @ 20 Hz to 20 kHz

Signal-to-noise ratio ≥ 86 dB, bandwidth 22 kHz

Damping factor ≥ 120 @ load ≥ 3 W and f < 2 kHz

Voltage gain Muted | Level adjustable from –18 dB to 29.0 dB

Line IN

Input connector >>XLR symmetric

Input sensitivity>>0 dBu for specified output power into 2*3 W / 2*4 W (max. gain)

Maximum input level>>20 dBu / ±11 Vp

Input impedance>>10 kW symmetric

Subwoofer OUT

Output connector>>XLR symmetric

Voltage gain>>3 dB

Maximum output level>>18 dBu / ±8.72 Vp

Output impedance>>≤ 600 W symmetric

Filter>>Lowpass 120 Hz Butterworth 24 dB / Octave (4th order); additional highpass at amplifier output will

be automatically activated when the subwoofer is switched ON

Signals (selectable)

EQ Pink3)>>Internal noise generator, equalized Pink noise with Cf = 3.05 (9.69 dB)

EQ Line>>External signal, equalized

Pink>>Internal noise generator, non-equalized Pink noise with Cf = 3.4 (10.63 dB)

Line>>External signal, without equalization

User>>Custom specific (available on request)

Default equalization of Dodecahedron DS3>>Flat acoustic frequency response from 100 Hz to 8 kHz

1/3 Octave>>100 dB re 1 pW ±3 dB

1/1 Octave>>105 dB re 1 pW ±3 dB

Warning LEDs

Clip>>Line IN input

Protect>>Amplifier automatically switches the output OFF at high temperature, overcurrent etc.; with autoretry function

Controls

Signal ON>>ON/OFF switch with green/red LED

Level>>Knob for gain control

Signal Source>>Switch for selection of output signal

Subwoofer ON>>ON/OFF switch with green LED

Remote control

Function>>Amplifier output ON/OFF

Transmission power>>1 mW

Conformity

• EU; China: EMC 2014/30/EU, EN 61326-1:2013, EN 61000-3/4-x, EN 55011+A1:2009, R&TTE standard 1999/5/EG; State Radio Regulation of China
• Japan: ARIB STD-T 67
• USA: FCC part 15

Weight 5 kg (11 lbs)

Dimensions (L x W x H) 358 x 173 x 245 mm (14.1” x 6.8” x 9.7”) 

Mains supply 100 to 240 VAC, 50/60 Hz, 850 W Fuse T6.3 A (5 x 20 mm) 

Temperature, humidity 0° to +50°C (32° to 122°F) @ ≤ 90% RH (non-condensing), active cooling with fan