Summit Audio TD-100

Summit Audio TD-100 Instrument Preamp / Direct Box

$799.00

Instrument Preamp & Tube Direct Box

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Summit Audio TD-100 Instrument Preamp / Direct Box

The Summit Audio TD-100 is a single channel direct box and instrument preamp featuring a hybrid signal path utilizing a solid state output device and a 12AX7A/ECC83 vacuum tube. This unique combination of of solid state and vacuum tube technology gives the TD-100 the benefits of both worlds: the high reliability and long life of solid state and the warm overtones associated with vacuum tubes. Other great features such as continuously variable input impedance, polarity switching, and a headphone output make the TD-100 a great sounding tool for the studio or the stage.

Summit Audio TD-100 Instrument Preamp / Direct Box Features

  • Ease of Operation
  • Headphone Output
  • Variable Input Impedance
  • Direct Output for easy parallel connections
  • Balanced Outputs
  • Hand Crafted in the U.S.A.

Summit Audio TD-100 Instrument Preamp / Direct Box Specifications

  • Size and Weight
    • Height: 1.75 inches (4.44 cm)
    • Width: 8.5 inches (21.59 cm)
    • Depth: 8.5 inches (21.59 cm)
    • Weight: 5 pounds (2.27 kg)
  • Power Configuration
    • Internal AC Supply: 20 watts, 115, 50 or 60 Hz (USA model)
    • Fuse size: .5 amp, slo-blo for 100/115 V
    • Fuse size: .25 amp, slo-blo at 230 V
  • Impedance Data
    • Input Impedance: 10K-2M ohms
    • Output impedance:
      • XLR: 2K ohms
      • TRS: 600 ohms
  • Connections
    • Instrument Input: 1/4″ Jack
    • Direct Instrument Output: 1/4″ -10 dB balanced
    • Outputs: +4 dB male XLR and 1/4″ -10 dB balanced
    • Stereo Link: 1/4″ mono Jack
    • Headphone Output: 1/4″ stereo jack (600 ohms)
  • Max input level
    • Max input level: +23dBu
    • Max output level: TRS: +21dBu, XLR: +2dBu
    • Max gain: 24dBu
  • Operating Measurements
    • Frequency response: 20Hz-100kHz -1dB
    • Signal to noise ratio: 140dB
    • THD + Noise: 0.14%, +5dB in, unity gain
    • Vacuum tubes: single 12AX7A
  • Warranty: 3 year limited warranty.

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