Sound and Cinema | A-Designs KGB-1tf
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A-Designs KGB-1tf

$775.00

The KGB-II and KGB-Itf are single-ended, high input impedance, discrete audio pre-amps designed for high impedance, unbalanced outputs such as: guitar, bass guitar, and electronic keyboards. Just as a low impedance, balanced pre-amp is needed, (designed for use with microphones), a pre-amplifier designed for use with unbalanced high impedance instruments is also required. The KGB Series contains high voltage, discrete op-amps with balanced output transformers by Cinemag, Inc.

The KGB-II is a two-channel, solid state unit that allows use of both channels for stereo recordings or live performances. This works well with stereo output instruments such as: keyboards or stereo guitar pickups. For bass players, there is  freedom to use two basses in a live performance, simply by picking up the other bass and playing without any delay between songs.

The KGB-Itf (Tone Filters) is a mono unit . It has the same features of the KGB-II, but includes three tone controls, High, Mid, and Bass.

A-Designs KGB-1tf Features

  • Single Discrete Input with Thru
  • Gain Select Switch – High/Low
  • Phase Reverse Switch
  • Ground Lift Switch
  • External Power Transformer for a very low Noise Floor
  • Three Band fixed frequency Tone Filter with 12db cut/boost – High/Mid/Low
  • All Metal Chassis
  • Milled Aluminum Knobs
  • Balanced XLR Gold Pin Neutrik Outputs
  • Switchcraft 1/4″ Input Jacks
  • Bipolar Electrolytic Capacitors
  • 1% Metal Resistors
  • Blue Led Power Indicator
  • 4 Rubber Feet
  • Heat Vents

A-Designs KGB-1tf Applications

  • Output to Line-In to FOH or Stage Monitors.
  • Output to Line-In on a Recording Console.
  • Output to Input of Digital Audio Converters.
  • Output to Power Amplifiers.
  • Both devices provide a Balanced, Line-Level +4db Output, which allows for bypass of the typical DI, Microphone Preamplifier and other input stages.

A-Designs KGB-1tf Specifications

  • S/N:  Better than 90db (shorted input)
  • Output:  Xfmr Balanced +4 @ 600 ohms
  • Power:  20VAC (rated) 22-27VAC (unloaded) External, +/-24VDC Internal
  • Gain:  Low = 70db, High = 90db (2Khz source @ .775V)
  • Gain:  Low = 35db, High = 60db (2Khz source @ .09mv)
  • Sensitivity:  Lower than .09mv
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