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Sunn 300T Reference And Owner's Manual
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Summary of Contents for Sunn 300T

  • Page 2 Thus, the SUNN Musical Equipment Company was born. As the years passed, countless pioneers of rock would rely on SUNN amplifiers to carry the weight. The Who, Moody Blues, Cream, Steppenwolf, Kiss, Rush, Queen and a little music festival in up-state New York all endorsed SUNN equipment.
  • Page 3 300T PREAMP AND POWER AMPLIFIER Bass Amplifier. Built with care and special attention to detail, your new Sunn 300T Bass Amplifier offers much more than meets the eye. Each 300T bass CONSTRUCTED IN AN ALL STEEL amplifier is crafted from the finest components...
  • Page 4 300T is 2Ω. Remember to connect or disconnect any speaker enclosure to your 5. If sending your 300T’s signal to an external power 300T with the power off. amplifier or main house mixer, connect a cord from either the 1/4 inch or XLR LINE OUT jack to your 2.
  • Page 5 -6dB PAD button. In order to obtain the optimum signal from the preamp, it is important to 15. If at any time during your performance the 300T play with your maximum performance intensity when begins to distort without the CH. SELECT switch setting up the 300T.
  • Page 6 I. CH 1 / 2 MIX - This knob mixes the channel 1 and 300T. When this push button is in, the signal sent channel 2 output levels. When the knob is at “1”, from the 300T is post frequency shaping, channel only channel 1 is in the output mix.
  • Page 7 This push button switch is used to AA. MASTER VOLUME - This knob adjusts the activate the on-board compressors. When this push overall volume level of the 300T. Rotating the knob button is in, compressors are active. Using the clockwise increases volume with “1” producing no footswitch overrides the front panel channel select volume and “10”...
  • Page 8 “Main” 300T amplifier to another amplifier. This jack is used for chaining multiple 300T amplifiers together B. LINE CORD - The 300T is equipped with a and increasing your on stage volume. Do so by grounding type IEC supply cord to reduce the inserting a 1/4”...
  • Page 9: External Speaker Jack

    If your jacks are designed to feed the 300T’s signal to an 300T’s power and standby switches are in their on external power amplifier or main house mixer. The positions, make sure a load of at least 2Ω...
  • Page 10 Output Tube Bias Adjustment Instructions or trouble at the tube’s respective location. When the 1. Turn on your 300T and let it warm up for at least two LED glows green, the tubes are operating properly. minutes with the STANDBY switch in the ON position. Make When the LED glows red, this indicates a tube failure sure the amplifier is properly connected to a speaker.
  • Page 11: Tube Replacement

    Check under all tube covers to see if the tube tubes in your amp and purchase another spare set. filaments are glowing. Your 300T's tube compliment consists of: FYI: Attenuating low frequencies may cause the preamp to distort and this may not cause the INPUT •...
  • Page 12 POWER OUTPUT: 300W R.M.S. into 2, 4, or 8Ω @ <3% T.H.D. SENSITIVITY : 1V R.M.S. (0dBv) SPEAKER COMPLIMENT: Designed for use with the Sunn 410H or Sunn 215 Bass Loudspeaker Enclosures DIMENSIONS: Height: 10.1 in 25.7 cm Width: 25.5 in 64.8 cm...