Mesa/Boogie Subway WD-800 Owner's Manual
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Mesa/Boogie Subway WD-800 Owner's Manual

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Summary of Contents for Mesa/Boogie Subway WD-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... and to those of you who are already part of the Mesa family, we thank you for returning to your roots.

  • Page 3: Table Of Contents

    Table of Contents PRECAUTIONS OVERVIEW ____________________________________________________________________________________ 1-2 INSTANT GRATIFICATION _________________________________________________________________________ 3 FRONT PANEL INPUT JACK ____________________________________________________________________________________ 3 MUTE SWITCH __________________________________________________________________________________ 3 ACTIVE/PASSIVE SWITCH ________________________________________________________________________ 3 INPUT CONTROL & O/D LED ______________________________________________________________________ 3 HIGHPASS FILTER ______________________________________________________________________________ 3-4 BASS CONTROL ________________________________________________________________________________ 4 TREBLE CONTROL ______________________________________________________________________________ 4 PARAMETRIC MID EQ CONTROLSL ________________________________________________________________ 4 PASSIVE MID CONTROL __________________________________________________________________________ 4...
  • Page 4 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 WD-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, packaging and control over the entire bass spectrum makes it an iconic step forward in bass amplification.
  • Page 6 OVERVIEW: REAR PANEL On the rear panel, you will find the power switch, and the AC mains inlet on a standard IEC “C14” connector. The SUBWAY WD-800 contains an auto-ranging universal power supply that can accept and operate on any voltage between 100-120 volts & 220-240 volts AC, 50/60Hz without the need for any user adjustments or fuse change.

  • Page 7: Instant Gratification

    INSTANT GRATIFICATION: The SUBWAY WD-800 is about the easiest amp on the planet to get great sound from… it really is a “plug and play” amp. Start with the MUTE switch down (mute off), the ACTIVE/PASSIVE switch down (passive pickup), the HIGHPASS FILTER set to the 9:00 position, BASS, PASSIVE MID and TREBLE controls in the “flat”...

  • Page 8: Bass Control

    filter with a turnover frequency that is set at approximately 25Hz. While HPF’s have been standard fare within the pro audio industry for decades, this feature has only appeared in bass guitar amplifiers within the past few years (with some notable exceptions). This filter provides additional mechanical protection to the speakers from over-excursion damage by reducing the power to the speaker below the frequency range that the speaker cabinet provides adequate acoustic loading to the drivers.

  • Page 9: Power Amp Damping Control

    SUBWAY WD-800. Using the MASTER VOLUME along with the INPUT GAIN control allows the optimal control over playing volume. For example, if you are using high input gain to achieve an overdriven tone, it will be 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 10: Limit Led

    COOLING FAN: The SUBWAY WD-800 incorporates a low speed, high reliability cooling fan which allows it to drive difficult loads (including 2 ohms) at very high duty cycles. Be sure this fan inlet is not blocked or the amplifier’s protection circuits shutting the amplifier down due to a thermal fault condition.

  • Page 11: Speaker Impedance

    The lower the speaker’s impedance, the greater the current that the power amplifier must provide. The lowest impedance that the Subway WD-800 amplifier is capable of driving safely is 2 ohms (with the impedance selector switch in the 2 ohm position), which is a parallel connection (the standard connection of virtually all speaker cabinets) of either two x 4 ohm cabinets or four x 8 ohm cabinets.

  • Page 12: Headphone Output

    DI output. When the RING is shorted to sleeve, the 3 band parametric eq. is bypassed and the red PEQ BYPASS LED will illuminate on the front of the amp (indicating that the parametric eq is bypassed). MESA sells Subway WD-800 specific footswitches (two button) separately through our authorized dealers and distributors, our parts and accessories online store, or by contacting our customer service department.

  • Page 13: Usb Device Power

    tracking goals of the engineer, either PRE or POST might be used. When using the amp as a preamp (into a pro audio power amp or powered PA cabinet for example), generally the POST position would be used and line level would be selected (unless using a powered speaker that can accept mic level signal).

  • Page 14: Discussion About Smps And Class D

    DISCUSSION ABOUT SMPS & CLASS D FROM THE DESIGN TEAM: QUESTION: What makes this new amplifier so light weight? ANSWER: This amplifier uses new technology, both an SMPS (SwitchMode Power Supply) and a Class D power amplifier to decrease the size and weight. These designs are carefully implemented and fully tested to insure robust, reliable performance in real world conditions night after night.

  • Page 15: Troubleshooting

    ANSWER: In Class D amplifiers, the analog audio signal is converted into a PWM (pulse width modulated) pulse train representa- tion of the analog audio signal (similar to the A/D converter in a PWM digital audio recorder) at +5 volts conventional logic level. This PWM signal is level shifted upwards by large switching power MOSFET transistors (that operate non-linearly to avoid waste heat) to high voltage and current.
  • Page 16 5. Defective or blown speaker(s) in cabinet (test with known good cabinet, repair cabinet as needed) 6. Possible failing tube/valve in preamp (substitute with known good 12AT7 or 12AU7) 7. There is indeed a problem with the amp, call our customer service department and we will help you get this resolved. SYMPTOM: Noise (low frequency hum) in audio: 1.
  • Page 17 SYMPTOM: Protect LED turns on: 1. Disconnect all cables except power cable, if the amp is no longer in protect, try plugging in just the speaker cable. If the amp goes immediately into protect, one possible cause is a defective or damaged crossover that is presenting an illegal load to the simplifier and the protection circuit is working correctly.

  • Page 18: Factory Sample Settings

    FACTORY SAMPLE SETTINGS CRISP, CLEAN FINGERSTYLE NOTE: Bypass Parametric Equalizer POWER 2 OHMS 500HZ 1.3KHZ 2.6KHZ BYPASS PROTECT LIMIT MUTE ACTIVE HIGHPASS PASSIVE POWER AMP 80HZ 1KHZ 150HZ 2.5KHZ 300HZ 5KHZ INPUT FILTER BASS TREBLE MASTER DAMPING PLAY PASSIVE 0 dB 0 dB 0 dB INPUT...

  • Page 19: User Settings

    USER SETTINGS POWER 2 OHMS 500HZ 1.3KHZ 2.6KHZ BYPASS PROTECT LIMIT MUTE ACTIVE HIGHPASS PASSIVE POWER AMP 80HZ 1KHZ 150HZ 2.5KHZ 300HZ 5KHZ INPUT FILTER BASS TREBLE MASTER DAMPING PLAY PASSIVE 0 dB 0 dB 0 dB INPUT HIGH 25HZ 125HZ PARAMETRIC EQUALIZER SUBWAY...

  • Page 20: Specifications

    [note 5]: nominal levels, there’s typically a min. of 12dB of addtl. gain for signals below, and 12 dB of headroom above nominal levels [note 6]: < 1kHz 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 21: Service Information

    SERVICE INFORMATION • USA /CANADA Customer Support: For technical support, troubleshooting, tone questions, settings help and more... 707-778-6565 Monday-Thursday, 9AM-5PM Pacific Time NOTE: If a Product Specialist is not available when you call (helping other customers), PLEASE leave a voice message with a phone number and a good time to call and WE’LL CALL YOU BACK! •...

  • Page 23: Parts List

    PAGE 19...
  • Page 24 18/11/05...

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