ELTIM VS-50, Input/Voltage stage module, reference quality

Feeds ELTIM CS Current Stage boards, Line input ac/dc, T1-T4 rare full symmetrical transistor array

ELTIM VS-50, Input/Voltage stage module, reference quality
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Manufacturer ELTIM
Article codeVS50
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Some of the highlights of this VS-50 Voltage Stage module:
  • Separate (upgradeable) most basic fully symmetrical pre-driving (voltage) stage
  • Symmetrical, 500uV matched trimmed DIP14 transistor array (instead of T1-T4) input stage.
  • Transistor array substrate grounded to input ground, avoiding any noise and EMI.
  • Extremely stable, wide range Current regulator diodes (CRD’s).
  • DC input on left and right side. High end capacitor between this input and RCA-inlet possible.
  • AC (>3Hz, other on request) input on left or right side.at 2u2 side.
  • A variety of large 2,2uF input capacitors fit, even MUNDORF EVO types.
  • Low loss, 1% Mica capacitors in local feedback circuit.
  • VISHAY/DALE RN60D MOX resistors,  1%, 100ppm
  • Integrated ± voltage regulators (V+/V- max = 65V).
  • Vr+ and Vr- available on left- and right side.                
  • Styroflex RF-capacitor in feedback circuit.                                                        
  • Separated power ground and input ground tracks avoiding hum and noise.
  • L- or Stack mounted to any CS-board.
  • Copper thickness 2x 35um (mostly is 1x 12/18um).
  • Dimensions: 246x50x8mm.


We need to order it!

Ready built and tested VS-50 Voltage Stage module, built according to the bespoke requirements of the customer. Just make the selections of your choice above.
For a functioning amplifier you also need at least one of our CS-modules. These are the output part of the amplifier, this VS-module is the input part.


With the same VS-50 PCB you can make a left hand and a right hand side.


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