Summary of D-150
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Digital 31 band real time analyzer .
Page 2: Warning
Warning do not expose this equipment to rain or moisture avis risque de choc electronique ne pas ouvrir achtung: um die gefahr eines brandes oder stromschlags zu verringern, sollten sie dieses gerät weder regen noch feuchtigkeit aussetzen.Um die gefahr eines stromschlags zu verringern, sollten sie w...
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Copyright 2004 - 2005, samson technologies corp. Printed may, 2005 v1.2 samson technologies corp. 575 underhill blvd. P.O. Box 9031 syosset, ny 11791-9031 phone: 1-800-3-samson (1-800-372-6766) fax: 516-364-3888 www.Samsontech.Com table of contents introduction 2 controls and functions 4 front panel...
Page 4: Introduction
2 congratulations on purchasing the samson d1500 dual channel,1/3 octave, digital real time analyzer! Although this product is designed for easy operation, we suggest you take some time out first to go through these pages so you can fully understand how we’ve implemented a number of unique features....
Page 5: D1500 Features
3 d1500 features the samson d1500 digital real time analyzer uses high quality audio converters along with state of the art 32-bit floating point dsp running powerful digital measurement algorithms to provide a powerful solution for a variety of audio measurement applications. Here are some of the m...
Page 6: Controls and Functions
4 1 led meter – 13-segment led fader for each frequency band, which can be software set for the centers fre- quency and resolution. 2 frequency led – red led indicating the frequency that is displayed in the lcd display. 3 master led meter -13-segment led display for dis- playing the main level. 4 l...
Page 7: Controls and Functions
5 controls and functions rear panel layout 19 eq – when selected, the unit is ready to display the equalization curve from any connected samson digital eq. 20 phase– when pressed in, the led switch lights indicating the operating mode is set to phase meter. 21 vu – when engaged, the led switch light...
Page 8: D1500 Quick Start
6 between the parameters input selection and mic gain. You can edit the parameters of any of these functions by using the large data wheel located by the main lcd display. Global the global control allows you to set up the various system parameters including selecting the input/ output and control f...
Page 9: D1500 Quick Start
7 • next, set the mic gain by pressing the global switch until you see the menu: mg. 0 db. • while the music is playing, you should see the input level from the measurement microphone reading on the vu meter located under the lcd display. If not, use the data wheel to adjust the gain from 0db throug...
Page 10: Operating The D1500
8 control offers a wide range of control covering from 0 db to 120 db. Press the gain switch and use the data wheel to adjust the level either up or down . Detect the d1500 rta can respond using both peak and rms detection. The detection algorithm determines the speed, or ballistics at which the rta...
Page 11: Operating The D1500
9 using the analyze mode before you get started using the analyze mode, press and hold the analyze switch for about two seconds and take notice of the parameters that can be adjusted while using the analyze mode. You’ll notice that the gain, res, and hold are illuminated indicating that these parame...
Page 12: Operating The D1500
10 using the d1500’s eq display the d1500 can be used to display the equalization curve from 1, or up to 16, d2500 digital equalizers. The d class units communicate to each other using midi or samson's d-net communication protocol. Once you connect the midi or d net between the d1500 and d2500, you ...
Page 13: Operating The D1500
11 • next, select the signal you want to generate by pressing the source switch and selecting either white, pink or sine wave. • if you are using a sine wave, you can change the frequency by pressing the freq switch and using the data wheel to tune in the frequency you want. • now, adjust the level ...
Page 14: Operating The D1500
12 storing programs in the d1500 the d1500 has 99 memory locations for storing user presets. You can save the equalization curve, as well as all the parameters for the routing and the onboard effects that may be active. Saving the preset is a simple procedure which is accomplished with the fol- lowi...
Page 15: Operating The D1500
13 setting the d1500 to transmit and receive midi to enable the d1500 to send and receive midi data follow these steps: • press the midi switch until that lcd reads midi:off, or midi on, or d net. • use the data wheel to select midi: on. Setting the d1500 to transmit and receive data using d net to ...
Page 16: Operating The D1500
14 selecting midi omni mode you can program the d1500 to receive midi mes- sages in omni mode by following the next steps. • press the midi switch until that lcd reads omni. • use the data wheel to select omni on. • press store selecting midi system exclusive mode you can program the d1500 to receiv...
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15 using the d1500 with the d2500 in order for the d1500 and d2500 to communicate with each other it is necessary to configure the midi parameters so that the units are communicating properly. Follow the steps below to configure the midi parameters for communication between one d1500 rta and one d25...
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16 using the d1500’s eq display the d1500 can be used to display the equalization curve from 1, or up to 16, d2500 digital equalizers using the standard midi or optional d-net interface. Before you get started using the eq display feature, press and hold the eq switch for about two seconds and take ...
Page 19: Operating The D1500
17 • now run your mic, mp3, or cd player signal, press rta on the d1500 and check the lcd meters on the d1500. • while the d1500 is set to rta, you may need to adjust the gain to set the reference point of the display. Once you confirm that the system is operating nor- mally and that the rta can rea...
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18 when you use the d1500 rta and the d2500 digital eq together they combine to create a powerful auto- matic equalization system. You simply connect the two units using d-net or midi, and then the d1500’s auto eq feature to let the onboard dsp’s measure your system response and adjust the equalizer...
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19 using auto eq with the d2500 digital equalizer when you use the d1500 rta and the d2500 digital eq together they combine to create a powerful auto- matic equalization system. You simply connect the two units using d-net or midi, connect a high quality measurement microphone, like the samson mm01,...
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20 operating the d1500 with an analog 31-band equalizer now that you have set good levels for the mixer, and the d1500 pink noise generator, mic input and rta reference point, you can begin to measure the response of your system and adjust your graphic equalizer for a flat response. At this point yo...
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21 using the d1500 to tune an electronic crossover a real time analyzer (rta) is an especially useful tool for setting up your crossover, as it will enable you to set parameters like delay and level more accurately. Some audio engineers can use their ears to tune a loudspeaker system. Some will even...
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22 setting the crossover level controls using the d1500 it is critical to set the gain output controls so that all the frequency bands combine to create an over- all flat system response. Using the d1500 to set the gain control will make it much easier for you to accomplish a flat system response. F...
Page 25: Grounding Techniques
23 grounding techniques hum and buzz are the biggest enemies you face when interconnecting a large number of different pieces of equipment to one another. This is because each piece of equipments common reference point (ground) may operate at a marginally different voltage (this dif- ference is call...
Page 26: D1500 Wiring Guide
24 d1500 wiring guide ...
Page 27: Specifications
25 specifications inputs type electronically balanced connector xlr impedance 22 kΩ at 1 khz max. Input level +22 aio1: +14dbu aio2: +20dbu outputs type electronically balanced connector xlr impedance 100 ohms at 1 khz max. Output level , aio1: +14dbu aio2: +20dbu frequency response 10 hz to 35 khz ...
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Samson technologies corp. 575 underhill blvd. P.O. Box 9031 syosset, ny 11791-9031 phone: 1-800-3-samson (1-800-372-6766) fax: 516-364-3888 www.Samsontech.Com.