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Table of Contents
Related Manuals for Mesa/Boogie 400
Summary of Contents for Mesa/Boogie 400
- Page 1 Strategy 400 Stereo Operating Manual...
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Page 2: Description And Features
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. -
Page 3: Input Circuitry
OUTPUTS Each channel of the Strategy 400 offers two 8 ohm plus two 4 ohm quarter inch jacks for connection to speaker cabinets. Unlike transistor amps, the 400 will produce full power at either 4 or 8 ohms, and mismatching of speaker impedance will not cause damage or severe loss of power (extreme mismatches will decrease tube life however). -
Page 4: Power Tubes
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 application other than live guitar. -
Page 5: Driver Tubes
Strategy 400 Stereo. Following is a brief discussion of the differences between tubes and solid-state, however we think the performance of your new Strategy 400 will be the strongest argument of all in favor of great tube amplifiers. TUBES VS. TRANSISTORS Much has been written on this topic... -
Page 6: Harmonic Distortion
Now there are some "audiophile quality" designs available - but at three to ten times the cost of your Strategy 400, and to our ears, still not as good sounding. All this specification controversy occurs because music itself is far too complex and fleeting for measurement of distortion under actual "real time"... - 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;...
- Page 8 Thanks for reading this far, we hope this explanation has bettered your understanding for the science -- and magic -- of great sound. Most of all, enjoy your music and enjoy your Strategy 400 Stereo.