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Owner's Manual

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Summary of Contents for Mesa/Boogie SUBWAY D-800

  • Page 1 Owner’s Manual...
  • Page 2 Greetings from the Home of Tone® …You, smart player and intuitive human, have put your trust in us to be your amplifier company. This is something that we do not take lightly. By choosing this instrument to be part of your musical voice, you have become part of the MESA® family… WELCOME! Our goal is to never let you down.
  • Page 3: Table Of Contents

    Table of Contents PRECAUTIONS OVERVIEW ____________________________________________________________________________________ 1-2 INSTANT GRATIFICATION & HELPFUL HINTS ________________________________________________________ 2 FRONT PANEL INSTRUMENT INPUT _____________________________________________________________________________ 3 MUTE SWITCH __________________________________________________________________________________ 3 ACTIVE/PASSIVE SWITCH ________________________________________________________________________ 3 DEEP SWITCH __________________________________________________________________________________ 3 INTERNAL HIGH PASS FILTER _____________________________________________________________________ 3 INPUT CONTROL & O/D LED ______________________________________________________________________ 3 VOICING CONTROL ______________________________________________________________________________ 4 BASS/LOW MID/HIGH MID/TREBLE CONTROLS ______________________________________________________ 4 MASTER VOLUME CONTROL _____________________________________________________________________ 4...
  • Page 4: Important Safety Instructions

    Make certain grounding conforms with local standards. YOUR AMPLIFIER IS LOUD! EXPOSURE TO HIGH SOUND VOLUMES MAY CAUSE PERMANENT HEARING DAMAGE! Your MESA/Boogie® Ampli er is a professional instrument. Please treat it with respect and operate it properly. READ AND FOLLOW INSTRUCTIONS OF PROPER USAGE.
  • Page 5: Overview

    Tone Freaks Rejoice! The SUBWAY D-800 is the next step in the MESA Bass Amp Bloodline. A tone dripping powerhouse that’s both compact and lightweight, packaged to go the distance with features and control over the entire bass spectrum makes it an iconic step forward in bass amplification.
  • Page 6: Instant Gratification & Helpful Hints

    A feature that sets your new SUBWAY D-800 apart from the rest of the market is the inclusion of a studio grade XLR balanced DIRECT OUTPUT, complete with PRE-EQ/POST-EQ signal routing, MIC/LINE level, and pin 1 GROUND LIFT switches. Circuit attributes include full phantom power protection, high RFI immunity and tolerance to reasonable ground potential differences.
  • Page 7: Front Panel

    INPUT JACK This jack is the instrument INPUT that feeds the first stage monolithic J-FET buffer amp of the SUBWAY D-800. The input sensitivity of this input buffer amp is adjustable with the ACTIVE/PASSIVE switch, the ACTIVE position being about 10dB less sensitive (lower gain) than the PASSIVE position.
  • Page 8: Voicing Control

    The MASTER sets the level of signal being sent to the power amp, and determines the overall playing volume of the SUBWAY D-800. Using the MASTER VOLUME along with the INPUT GAIN, allows the optimal control over gain and front end drive as well as playing volume. For example, if you are using high input gain to achieve an overdriven tone, it will likely be necessary to adjust the master volume down to obtain a reasonable playing volume and to avoid excessive overdriving of the power amp.
  • Page 9: Rear Panel

    SPEAKER OUTPUTS The SUBWAY D-800 is rated to drive a minimum 2 ohm load (with the impedance selector switch set in the 2 ohm position), meaning either 4 x 8 ohm cabinets or 2 x 4 ohm cabinets. The amplifier incorporates a pair of SpeakOn™ NL4FC connectors wired is parallel that mate with either NL-2MP or NL4-MP plugs.
  • Page 10: Headphone Output

    8 ohm cabinets. When operating the Subway D-800 into a nominal impedance load of 2.7 ohms (that’s one x 8 ohm cabinet + one x 4 ohm cabinet) the impedance selector switch should be set to the 2 ohm position. Note that measuring speaker cabinets using an ohm meter will not give accurate results because ohm meters read DC resistance not AC impedance.
  • Page 11 amp) end, this allows the shielding to remain in place while breaking the ground current flow that is the cause for inducing hum into the signal carrying pair of conductors. Now, the one thing that complicates this is that at very high (radio) frequencies, ground is not “really”...
  • Page 12: Troubleshooting

    TROUBLESHOOTING In the event that your amplifier appears not to work correctly, often enough the problem is not with the amp, but a related piece of equipment that it’s necessary to take a deliberate, systematic approach to troubleshooting in order to effectively identify and correct the problem.
  • Page 13 SYMPTOM NOISE (LOW FREQUENCY HUM) IN AUDIO 1. Defective instrument cable or problem with bass wiring (unplug instrument cable from amplifier, if hum goes away, this means that the noise is entering from outside the amplifier. Try known good instrument cable and/or bass) 2.
  • Page 14: Factory Sample Settings

    FACTORY SAMPLE SETTINGS CLASSIC SLAP POWER PROTECT LIMIT LOW MID HIGH MID TREBLE MASTER INPUT VOICING BASS INPUT MUTE ACTIVE PLAY PASSIVE DEEP FLAT BOOST ™ ROCK AUTHORITY POWER PROTECT LIMIT LOW MID HIGH MID TREBLE MASTER INPUT VOICING BASS INPUT MUTE ACTIVE...
  • Page 15: Specifications

    [note 3]: chassis dimensions include controls, handle and feet [note 4]: impedance selector switch set to 2 ohm position MESA/Boogie® continually develops new products and improves existing ones. For this reason, specifications and information in this manual are subject to change without notice.
  • Page 18 15/09/22...

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