Xaoc Devices Belgrad User manual

Brand
Xaoc Devices
Model
Belgrad
Type
User manual

Xaoc Devices Belgrad is an all-analog voltage controlled filter module that offers a multitude of frequency responses with two resonant peaks. The unique character, flexibility, and features of this module open up countless possibilities for exciting timbral explorations. Belgrad can be used as a traditional VCF for subtractive synthesis, but its capabilities extend far beyond that, making it an essential tool for sound designers and experimental musicians. Here are some of the key features of the Belgrad module:

  • Dual peak control: Unlike most traditional synthesizer filters that offer just a single resonance control, Belgrad is equipped with a number of advanced resonance controls. The overall degree of resonance is set by the reso knob as well as a control voltage (0 to 8V) supplied to the reso input. The two resonant peaks of the filter may have different emphasis — set by the balance knob — from domination of the lower peak, through full symmetry, up to domination of the higher peak (fig. 2).

Xaoc Devices Belgrad is an all-analog voltage controlled filter module that offers a multitude of frequency responses with two resonant peaks. The unique character, flexibility, and features of this module open up countless possibilities for exciting timbral explorations. Belgrad can be used as a traditional VCF for subtractive synthesis, but its capabilities extend far beyond that, making it an essential tool for sound designers and experimental musicians. Here are some of the key features of the Belgrad module:

  • Dual peak control: Unlike most traditional synthesizer filters that offer just a single resonance control, Belgrad is equipped with a number of advanced resonance controls. The overall degree of resonance is set by the reso knob as well as a control voltage (0 to 8V) supplied to the reso input. The two resonant peaks of the filter may have different emphasis — set by the balance knob — from domination of the lower peak, through full symmetry, up to domination of the higher peak (fig. 2).
BELGRAD
dual peak
multimode
state variable
filter
Model of 1976
operator’s manual rev. 1976/1.0
sALut
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

      
     

ear span
8

  span 

9


10
.
2
module
explained
3

6 9
7
5
10
4
16
1
15
11 13
8
12
2
14
3
front panel
overview
DuAL PEAK cOntROL
    

       


reso
11

     reso 
12
. The
       
      balance

13
      



balance

14

   span   

sELf OsciLLAtiOn
& nOn LinEAR BEhAViOuR
  reso     



v·oct

    

     



balance and span

     
      
     
     
tito
15

  
sm

  xm     


4
40

0



dB
10 100 1000 10000



0





dB
100 1000 10000


SM
OFF
XM
sOmE usAGE tiPs
     
ll, lb, or bb   reso   
span


reso
     
  
balancenl
and hn
The tito
 reso

bh and hhtito
xm, and reso
span
       
  


      
     



fiLtER mODEs DEtAiLED DEscRiPtiOn: chARActERistics, POLEs AnD REsPOnsEs
LL
1. double slope lowpass mode. The frequency re

         
   
span
span

LB
lowpass + bandpass mode.


      

  

40

0



dB
10 100 1000 10000

40

0




dB
10 100 1000 10000

5
filter modes
40

0



dB
10 100 1000 10000

40

0



dB
10 100 1000 10000

40

0



dB
10 100 1000 10000

NL
3. lowpass mode with additional notch in the
passband.       
       

40

0



dB
10 100 1000 10000

BB
6. double bandpass mode.
    reso and balance 

      

LH
5. lowpass + highpass mode.   
   span   

         

NN
4. double notch mode.
       


span 
6
filter modes
continued
40

0




dB
10 100 1000 10000

40

0



dB
10 100 1000 10000

40

0



dB
10 100 1000 10000

40

0



dB
10 100 1000 10000

HL
7. bandpass mode.   
     
span


HN
 highpass mode with additional notch in the
passband.       
       

BH
9. bandpass + highpass mode.


      

  

HH
10. double slope highpass mode. The frequency re

         

span
 span 

7
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fEAtuREs
All analog, dual


frequency

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




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
tEchnicAL
DEtAiLs





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
EASTERN BLOC TECHNOLOGIES MADE IN THE EUROPEAN UNION
WARRAntY tERms
XAOC DEVICES WARRANTS THIS PRODUCT TO BE FREE OF DEFECTS IN MATERIALS OR WORKMANSHIP,
AND TO CONFORM WITH THE SPECIFICATIONS AT THE TIME OF SHIPMENT FOR A PERIOD OF ONE YEAR
FROM THE DATE OF PURCHASE. DURING THAT PERIOD ANY MALFUNCTIONING OR DAMAGED UNITS
WILL BE REPAIRED, SERVICED, AND CALIBRATED ON A RETURN-TO-FACTORY BASIS. THIS WARRANTY
DOES NOT COVER ANY PROBLEMS RESULTING FROM DAMAGES DURING SHIPPING, INCORRECT INSTAL-
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OBVIOUS USER-INFLICTED FAULT.
LEGAcY suPPORt
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NEED TO WORRY, AS WE’RE STILL HAPPY TO HELP! THIS APPLIES TO ANY DEVICE, WHEREVER AND
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FOR LABOR, PARTS AND TRANSIT EXPENSES WHERE APPLICABLE.
REtuRn POLicY
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Xaoc Devices Belgrad User manual

Brand
Xaoc Devices
Model
Belgrad
Type
User manual

Xaoc Devices Belgrad is an all-analog voltage controlled filter module that offers a multitude of frequency responses with two resonant peaks. The unique character, flexibility, and features of this module open up countless possibilities for exciting timbral explorations. Belgrad can be used as a traditional VCF for subtractive synthesis, but its capabilities extend far beyond that, making it an essential tool for sound designers and experimental musicians. Here are some of the key features of the Belgrad module:

  • Dual peak control: Unlike most traditional synthesizer filters that offer just a single resonance control, Belgrad is equipped with a number of advanced resonance controls. The overall degree of resonance is set by the reso knob as well as a control voltage (0 to 8V) supplied to the reso input. The two resonant peaks of the filter may have different emphasis — set by the balance knob — from domination of the lower peak, through full symmetry, up to domination of the higher peak (fig. 2).
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