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Gefell AP-1

The AP 1 is an one-channel microphone amplifier with an extreme low-noise circuit design, a wide dynamic range and very linear transmission properties.

With the amplifier the precise transmission of low signal levels is possible as well as the distortion-free transmission of high signal levels. It is ideally suited for the use with condenser microphones in large diaphragm transistor construction which have an extreme low noise level and a very high headroom. Recommended applications are recordings of speech, vocals or acoustical instruments. The intuitive and uncomplicated handling of the amplifier guarantees the user an absolutely concentration on the recording.
Features
  • discrete transistor amplifier
  • one microphone input - two parallel line outputs
  • defined and reproducible amplifier adjustment in 3 dB steps, switched by relays for avoiding of switching noise
  • stepless gain adjustment in a ±6 dB range with arrest at 0 dB
  • switchable high-pass filter for impact-sound insulation with adjustable frequency between 18 Hz and 220 Hz
  • switchable 48 V phantom powering according to IEC 61938
  • phase inverter
  • Specifications
  • Frequency range (±0,1 dB) : 20 Hz bis 50000 Hz
  • Noise level : A-weighted : -127,4 dBu
  • Noise level : unweighted : -123,8 dBu
  • Distortion factor : < 0,01 %
  • Minimum gain : 11 dB
  • Maximum gain : 62 dB
  • Microphone input : XLR3F
  • Maximum input level : 15 dBu
  • Input resistance : 1,3 kOhm ±10 %
  • Input symmetry : > 60 dB
  • Microphone supply : P48 acc. to IEC 61938, switchable
  • Line output : 2x XLR3M, electronic symmetrical
  • Maximum output level : 28 dBu
  • Output level indicator LED indicator : 10x LED, 3 dB steps
  • Output level indicator Maximum value : adjustable 6 dBu / 28 dBu
  • Output impedance : < 40 Ohm
  • Output symmetry : > 60 dB
  • Highpass filter, switchable : adjustable from 18 Hz to 220 Hz
  • Phase rotation : Switchable
  • Power supply : adjustable 230 VAC / 115 VAC - 50 Hz / 60 Hz
  • Reviews
    Price *
     
    $1889.00
    Free shipping in Canada. Conditions
    Rental
     
    Price/Day
    Total
    1 Day
    $78.00
    $78.00
    3 Days
    $52.00
    $156.00
    5 Days
    $39.00
    $195.00
    12 Days
    $26.00
    $312.00
    28 Days
    $16.75
    $469.00
    Additional information
    For more information about the AP-1, please visit the website of Gefell
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