khozmo
 

 

STEPPED ATTENUATORS - MONO, STEREO, QUAD, 6-CHANNELS
 

Stepped attenuators - Dale + Caddock and Takman REX + Vishay Z-foil

SHUNT type: Only two resistors in signal path
Switching type: MBB (Make Befor Break)

Number of steps: 48
Attenuation range: -60 dB ... 0 dB
Attenuation per step: steps 1 to 11 - 2dB, 12 to 48 - 1dB

Contact material: Hard silver 99,99% Ag
Silver thickness: 30 um
Polished wiper and contact pins
Entire signal path silvered
Silver is put direct on copper
Extremely short signal path
Channel matching: +/-0.1 dB
Resistance: 10, 25, 50, 100, 250 kohm or custom values
Resistors: Vishay/Dale RN55 1% 100ppm , 1/8W, low noise, non-inductive, metal film

CNC machined PA11 aluminium body
Precision ball bearing support
Shaft diameter: 6 mm
Indexing angle: 7,2 deg

Upgrade options:
Series resistor: Vishay "nude" Z-foil
Shunt resistors: Takman REX or PRP


PASSIVE PREAMPLIFIERS - STEREO, DUAL MONO, BALANCED

Passive preamp - Dual mono with input selector

Inputs: 3; Outputs: 2 (for biamping)
Dimensions: W255mm x H70mm x D210mm; Weight: 2,6kg
Attenuator: Khozmo 48 steps ; Input selector switch: Lorlin UK
Resistors: Caddock MK132 + Vishay/Dale RN5; Wiring: Solid silve
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Upgrade options:
Series resistor: Vishay "nude" Z-foil - $69
Shunt resistors: Takman REX or PRP - $69

 
Passive preamp

Passive preamp - Stereo with input selector

Inputs: 3; Outputs: 2 (for biamping)
Dimensions: W255mm x H70mm x D210mm; Weight: 2,6kg
Attenuator: Khozmo 48 steps ; Input selector switch: Lorlin UK
Resistors: Caddock MK132 + Vishay/Dale RN5; Wiring: Solid silver

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Upgrade options:
Remote control: $200
Series resistor: Vishay "nude" Z-foil - $69
Shunt resistors: Takman REX or PRP - $69


 
Passive preamp

Passive preamp - Balanced with input selector

Inputs: 3; Outputs: 2 (for biamping)
Dimensions: W2550mm x H70mm x D210mm; Weight: 2,6kg
Attenuator: Khozmo 48 steps ; Input selector switch: Lorlin UK
Resistors: Caddock MK132 + Vishay/Dale RN5; Wiring: Solid silver

 +

Upgrade options:
Remote control: $200
Series resistor: Vishay "nude" Z-foil - $129
Shunt resistors: Takman REX or PRP - $139

 
Passive preamp

Passive preamp - Balanced without input selector

Inputs: 1; Outputs: 2 (for biamping)
Dimensions: W255mm x H70mm x D210mm; Weight: 2,6kg
Attenuator: Khozmo 48 steps
Resistors: Caddock MK132 + Vishay/Dale RN5; Wiring: Solid silver

 +
 
Upgrade options:
Remote control: $200
Series resistor: Vishay "nude" Z-foil - $129
Shunt resistors: Takman REX or PRP - $139