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Operating manual

Omnidirectional Sound Source

HD2050

Power amplifier/noise generator

HD2050.20

Facade Directional Loudspeaker

HD2050.30

www.deltaohm.com

English

Keep for future reference.

Companies / Brands of GHM

Содержание DeltaOHM HD2050

Страница 1: ...ating manual Omnidirectional Sound Source HD2050 Power amplifier noise generator HD2050 20 Facade Directional Loudspeaker HD2050 30 www deltaohm com English Keep for future reference Companies Brands of GHM ...

Страница 2: ...20 amplifier 7 2 1 2 NOISE GENERATOR 9 2 1 3 POWER AMPLIFIER AND DSP DIGITAL SIGNAL PROCESSOR 10 2 1 4 HD2050 20R REMOTE CONTROL KIT 12 2 1 5 HD2050 1 STAND 13 2 1 6 HD2050 40 SUBWOOFER 13 2 1 7 HD2050 30 FACADE LOUDSPEAKER 14 3 CONNECTORS FOR REMOTE MANAGEMENT 17 4 USING PODWARE SOFTWARE 18 4 1 1 CREATE A USER CONFIGURATION AND LOAD INTO THE DSP 18 4 2 CARRIAGE 21 5 TECHNICAL SPECIFICATIONS 22 6 ...

Страница 3: ...ith special attention to international standards in the field of architectural and building acoustics The standards it complies with are EN ISO 140 3 2006 and EN ISO 3382 2001 as concerns di rectivity HD2050 features a wide extension frequency response and provides an emission sound power level of more than 122dB re 1pW Twelve coaxial loudspeakers arranged on the dodecahedron faces provide a high ...

Страница 4: ...r and an auxiliary input to receive signals from other external devices Using supplied Podware software you can modify the EQ curve stored in the amplifier s DSP in order to tailor the frequency response of the system to specific measurement needs It s also possible to connect the HD2050 30 façade loudspeaker or the HD2050 40 sub woofer matched to the source HD2050 to HD2050 20 amplifier The syste...

Страница 5: ... 1 HD2050 20 amplifier front panel Fig 2 Generator section above and amplifier section below panel Output connector signal to loud speaker AC line input Mains and Power ON Switch user DSP Amplifier Input connector Switch presets Pink White noise selector Manual signal activation Noise generator section Amplifier section Level control 0 MIN Antenna connector ...

Страница 6: ...d in the DSP a custom equalization refer to page Errore Il segnalibro non è definito in the specific section of this manual Connect the L shaped cable adapter Fig on page 12 to HD2050 dodecahedron Connect the Neutrik SPEAKON signal cable to L shaped cable adapter loudspeaker side then connect the other head of the cable to OUTPUT amplifier connector Connect the supplied HD2050 2 power cord to AC L...

Страница 7: ...2050 30 input connector then connect the other head of the cable to OUTPUT amplifier connector Connect the supplied HD2050 2 power cord to AC LINE amplifier s input socket then connect the other side to the wall socket NB the Neutrik POWERCON cable connector amplifier side also serves as a power switch of the apparatus As soon as the POWERCON connector is plugged in rotate it by about 45 clockwise...

Страница 8: ...t the other head of the cable to OUTPUT amplifier connector Connect the Neutrik SPEAKON signal cable HD2050 1 5 one side to the free second input socket of subwoofer while the other side to OUTPUT amplifier connector Connect the supplied HD2050 2 power cord to AC LINE amplifier s input socket then connect the other side to the wall socket NB the Neutrik POWERCON cable connector amplifier side also...

Страница 9: ...OFF for some seconds in this way it s avoided that the noise generated by the fan could influence the acoustic measurement if the background noise level is considerably low When the optional HD2050B kit kit with inverter for battery power supply of apparatus when mains power supply is not available is used it s possible to use the JA BT FAN CONTROL connector to drive the power OFF of cooling fan i...

Страница 10: ...ncy cuts and optimal setup limiter of input signal amplitude in order to obtain the maximum system performance without the risk to damage electronic components The two presets are very different each other and are studied to be used with specific loudspeakers models For a correct loudspeaker response and mostly in order to avoid any damage it s compulsory to use the correct preset for each loudspe...

Страница 11: ...th a small L shaped cable adapter it s a SpeakON 4 poles with male and female connectors The male connector must be always connected to HD2050 dodecahedron and serves to adapt the pinout to internal connections of HD2050 that is to transform the HD2050 in a single input on the 2 2 pins with a impedance of 3Ohm It s compulsory to always connect this adapter to HD2050 in a cascade with the 4 poles H...

Страница 12: ...n integrated receiver that can be activated at a distance up to 100mt Transmitter is supplied by batteries and is activated manually with a button The receiver has an external antenna to be screwed directly on the specific input connector on the front panel of HD2050 20 amplifier generator section Fig 6 Generator section with integrated remote control receiver Fig 7 antenna to be screwed on HD2050...

Страница 13: ...rchitectural acoustics measurements Acoustic testing laboratories manufacturers of materials with high insulation properties acoustic consultants with specific measurement needs or in general where it is needed a big amount of acoustic energy at low and high frequency they will find the Delta OHM system a complete and effective solution The HD2050 40 is a band pass type the sound radiation is not ...

Страница 14: ...sts HD2050 30 2 sup port is designed to position the loudspeaker at 45 both on the ground and on the tripod with the latter system gaining valuable meters in front of the façade The weight of 13 5Kg repre sents the best compromise between performance in sound emission and portability HD2050 30 2 support for 45 orientation This accessory is designed to position the loud speaker at 45 orientation wi...

Страница 15: ... assembled with the support it can be positioned on the floor or installed on the stand as shown in Fig 14 NB When the loudspeaker is installed on the stand make sure that it is properly positioned with the legs ex tended an incorrect positioning of the stand and the loudspeaker may damage the instrument itself as well as cause personal injury to user When the tripod is used with the pole to its m...

Страница 16: ...e bag is equipped with wheels in the rear and a handle in the front The bag is not designed to protect the loudspeaker from shocks Connections The 2050 30 loudspeaker has 2 Speakon NL4 connectors on the back Only pins 1 1 of each connector are connected For use and connections with the amplifier HD2050 20 refer to 2 use with HD2050 30 facade loudspeaker HD2050 20 power amplifier on page 7 Fig 15 H...

Страница 17: ...r amplified loudspeakers having DSP on board Through these connectors multiple speakers with DSP on board can be chained together and controlled individually with a single software To remotely manage HD2050 20 amplifier from a PC the supplied software must be installed on a PC running Windows operating system The system also works on Apple computers run ning Windows in emulation or Leopard with Bo...

Страница 18: ...tly smooth it may be necessary to equalize the re sponse of the system directly on the field to meet the requirements of the mentioned above in ternational standard To this end the PodWare software enables a quick adjustment of the system response System requirements In order to get the maximum software performances are required at least a 450MHz Pentium processor and 128MB RAM The tested operatin...

Страница 19: ...the number of available Com ports on the system Click on Network Go online Under Devices appears a line with the name of DSP JADSP1250 Double click on the line to enable the connection with the DSP It will appear a control windows with partial vision Click the icon to activate the full view The full control window allows to access the equalization mute filtering an delay functions Equalization fun...

Страница 20: ...he equalization created go on menu File Save as Select a folder and save settings with a name extension dse To recall the equalization curve go on menu File Open A warning message reminds you that once recalled the EQ curve this will replace the one cur rently installed into the amplifier s DSP To activate the user equalization curve just created in the HD2050 20 amplifier s front panel set the Us...

Страница 21: ...d to dodecahedron input must be removed when the dodeca hedron is placed in the carrying case The carrying case protects the dodecahedron and the speakers against small entity shocks Do not ship the dodecahedron by courier using on ly the HD2050V carrying case protect the content with packaging material suitable for use Fig 16 Padded HD2050V carrying case ...

Страница 22: ... immunity EN 6065 Class I safety Type Digital D class Max Power 1200W 12 Ohm Continuous Power 2x530W RMS Input for external generator With level control Supply 230VAC 10 50 60Hz Frequency response 20Hz 20KHz THD 0 1 1KHz Noise Generator Internal White Pink with level control Output connector Neutrik XLR Connectors Input Neutrik Combo Output Neutrik NL4FC speakON AC Power Neutrik powerCON RMS Level...

Страница 23: ...imensions and Weight 50x50x37 cm 22 Kg Finishing Anti scratch gelcoat Amplification To be used with HD2050 20 amplifier HD2050 30 FAÇADE LOUDSPEAKER RMS power 300 W Nominal impedance 8 Ohm Loudspeaker Low frequency 1 x 10 neodymium magnet High frequency 1 x 1 mylar Emission 129 dB spl Peak 1m Frequency range 70Hz 20KHz Connectors 2 x Neutrik NL4 speakON Dimensions and weight 30 5x49x33 cm 13 5Kg C...

Страница 24: ...surements with a rotation step equal to 5 For the source progressive rotation it has been used a rotating plate automatically controlled via a PC The test consists in measuring the impulse response IR with MLS technique for each angular position of the source then this impulse response is processed so as to obtain the spectrum in 1 3 octave bands of the anechoic portion excluding the sound reflect...

Страница 25: ...HD2050 25 V1 2 Fig 18 Directivity chart calculated according to ISO 3382 Fig 19 Directivity polar plots for 1 1 octave bands 30 sectors Display 10dB div ...

Страница 26: ...ements in 1 3 octave bands made over a reflecting surface and in a free field the Lw re 1pW sound power level is obtained Fig 20 Lw Sound power level chart in 1 3 octave bands and overall LINEAR level 6 1 2 HD2050 30 DIRECTIVITY Fig 21 Directivity polar plots for 1 1 octave bands 30 sectors Display 10dB div Directivity polar plots ref emission axis Horizontal Vertical 10 dB div Sector 30 ...

Страница 27: ...ion to HD2050 dodecahedron it s necessary the signal cable HD2050 1 2 not included HD2050 40 1 extendable stand to mount the HD2050 dodecahedron on the HD2050 40 sub woofer min height 1370 mm max height 1970 mm subwoofer stand wheels HD2050 1 5 signal cable length 5 m HD2050 1 2 signal cable length 2 m HD2050 1 L signal cable adapter L shaped HD2050 30 directional sound source for facade sound ins...

Страница 28: ... parties is excluded from the guarantee The instrument shall be returned FREE OF SHIPMENT CHARGES to your dealer The jurisdiction of Padua applies in any dispute The electrical and electronic equipment marked with this symbol cannot be disposed of in public landfills According to the Directive 2011 65 EU the european users of electrical and electronic equipment can return it to the dealer or manuf...

Страница 29: ...the result of the constant development of the product This may produce some differences between the information written in this manual and the instrument you have purchased We cannot completely exclude the possibility of errors in the manual for which we apologize The data images and descriptions included in this manual cannot be legally asserted We reserve the right to make changes and correction...

Страница 30: ...GHM GROUP Delta OHM Delta Ohm S r l a socio unico Via Marconi 5 35030 Caselle di Selvazzano Padova ITALY Phone 39 049 8977150 Fax 39 049 635596 www deltaohm com sales deltaohm com V1 2 11 12 2020 ...

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