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Manual Mesa/Boogie 400

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  • Mesa/Boogie 400 - page 1

    Strategy 400 Stereo Operating Manual 1 ...

  • Mesa/Boogie 400 - page 2

    CONGRATULATIONS AND THANK YOU! You've just become the proud owner of the world's most musical power amplifier: The Strategy 400™ Stereo. All of our efforts have been directed at making this a special piece of equipment -- a fine hand-made musical instrument -- that we hope you'll enjoy and treasure for many years to come. Your tota ...

  • Mesa/Boogie 400 - page 3

    INPUT CIRCUITRY The Strategy 400 Stereo offers extremely sensitive input circuitry: 0.2 volts will produce full power when the Level control is turned fully up. This means you can actually plug in many signal sources directly without needing a preamplifier. The output from virtually any effect unit is strong enough -- as is any keyboard, CD player, ...

  • Mesa/Boogie 400 - page 4

    POWER TUBES The main power tube used in the Strategy 400 Stereo is the MESA STR 415 type 6L6 GC which provides smooth, warm musical power and is very reliable. The 6L6 we use is extremely rugged and has very low 3rd harmonic output when overdriven. All twelve sockets should be fitted with STR 6L6's when the Strategy is being used in any applic ...

  • Mesa/Boogie 400 - page 5

    DRIVER TUBES The four small tubes are all type 12AX7, also known as 7025, ECC83 or MESA SPAX7. These tubes are very long lasting and trouble free in the Strategy, but best performance will result from using genuine replacements. The input stage of your 400 uses a special "instrumentation grade" differential amplifier with a proprietary co ...

  • Mesa/Boogie 400 - page 6

    tend to cancel themselves out and disappear (the original signal is also reduced so extra "gain" is designed in to more or less compensate). How much NFB is the "right amount"? It depends on the the amplifier. A "perfect" amplifier would have no need for negative feedback... and in-fact your Strategy 400 uses about one ...

  • Mesa/Boogie 400 - page 7

    swinging is confined to the region between the floor and ceiling -- isn't hitting either one -- the lever (amplifier) is operating in its "linear region". This simply means that there is a constant ratio to the leverage: push the small end up and down two feet and the big end moves six feet; swing the short end three feet and the lon ...

  • Mesa/Boogie 400 - page 8

    The ear has a great tolerance for these overtones - because they relate in a musically consonant way and are are already present in the original signal, as either timbre overtones, upper harmony or both. For example, it is often possible to add up to 20% second harmonic to a single note before any change is audible. Then all that happens is that th ...

Manufacturer Mesa/Boogie Category Stereo Amplifier

Documents that we receive from a manufacturer of a Mesa/Boogie 400 can be divided into several groups. They are, among others:
- Mesa/Boogie technical drawings
- 400 manuals
- Mesa/Boogie product data sheets
- information booklets
- or energy labels Mesa/Boogie 400
All of them are important, but the most important information from the point of view of use of the device are in the user manual Mesa/Boogie 400.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Mesa/Boogie 400, service manual, brief instructions and user manuals Mesa/Boogie 400. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Mesa/Boogie 400.

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A complete manual for the device Mesa/Boogie 400, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Mesa/Boogie 400 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Mesa/Boogie 400.

A complete Mesa/Boogie manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Mesa/Boogie 400 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Mesa/Boogie 400, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Mesa/Boogie 400, that we can find in the current document
3. Tips how to use the basic functions of the device Mesa/Boogie 400 - which should help us in our first steps of using Mesa/Boogie 400
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Mesa/Boogie 400
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Mesa/Boogie 400 in a specific country, if it was not possible to solve the problem on our own.

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