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MB-1200 Mono Block Power Amplifier

Thank you for purchasing the Fender® MB-1200 Mono Block Power Amplifier. We designed this professional power amplifier to complement our TBP-1 Tube Bass Preamp (or any other reputable manufacturer’s preamp). The MB-1200 is a "mono-block" power amp. This means there is one single power source delivering ALL 1200 WATTS of power (no bridging needed). You can use one MB-1200 to power a 2 Ohm load and deliver 1200 watts of crushing bass power. Should you need more power, you can slave multiple MB-1200’s together to give you enough bottom end to shake any stage!

•1200 Watts into 2 Ohms (800 Watts into 4 Ohms)

•Both Speakon® and 1/4" outputs offer maximum flexibility

•Power amp pass through allows you to chain multiple MB-1200’s together

•Blue "power-on" light bar doubles as a signal strength meter to indicate power usage

Thank you for choosing Fender®

—Tone, Tradition and Innovation—since 1946

Front Panel

A. VOLUME – Adjusts overall amplifier loudness in conjunction with any level controls found on a connected preamp.

B.DUAL-PURPOSE LIGHT BAR – The entire length of the bar glows blue when receiving power. The numbered LEDs behind the light bar indicate signal strength presented to the power amp section, calibrated in dB (decibels) before clipping. The bargraph is accurate for all speaker loads. The CLIP LED will flash red when the amplifier clips. The PROTECT LED will glow yellow if the thermal protection circuit becomes active

to protect the amplifier from over-heating. Should this happen, check to see that all front vents and the rear fan openings are clear from any obstructions. Maintain proper ventilation clearances. (The bargraph will still operate in thermal shutdown mode indicating that any signal source connected to the amplifier is still operating properly.)

C.POWER – Switches the unit on/off as indicated by the light bar glowing blue.

Rack and Flight Case Mounting

The MB-1200 can be mounted in a rack or flight case that measures anywhere from 13" (33.0 cm) to 17.5" (44.5 cm) between front and rear rails.

1) Remove the adhesive rubber feet from the bottom of the MB-1200.

2)Remove the 2 bolts {K} on each side of the MB-1200, then use them

to loosely attach the “rack ear” brackets-{J} that were supplied with your MB-1200.

3) Lift the MB-1200 into position and provide temporary support until all corners are attached.

4) Bolt the MB-1200 front panel tabs to the front rack rails.

5)Slide the adjustable brackets {J} to fit the rack, then attach with bolts through the rear rails {I} as shown.

6)Tighten all bolts securely.

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Fender manual MB-1200 Mono Block Power Amplifier, Front Panel, Rack and Flight Case Mounting
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MB-1200 specifications

The Fender MB-1200 is a robust and versatile bass amplifier designed for both studio recording and live performances. Known for its reliability and rich tonal quality, the MB-1200 is an ideal choice for bassists looking for a powerful, portable solution.

One of the standout features of the MB-1200 is its impressive 1200 watts of power, which allows it to deliver a rich, full-bodied sound at any volume. This power output is complemented by a high-efficiency Class D amplifier design that not only contributes to a lightweight and compact form factor but also enhances the overall sound quality. This design means that the MB-1200 can handle various playing styles and environments, whether a small gig or a large venue.

The MB-1200 is equipped with a 3-band EQ that enables users to sculpt their sound to perfection. The bass, midrange, and treble controls allow for extensive tonal shaping, ensuring that each bassist can find the perfect sound that complements their playing style. Additionally, the presence control enhances the high frequencies, adding clarity when needed.

Moreover, the amplifier features a built-in compressor that provides added punch and control over dynamic range. This feature is particularly beneficial for players who want to maintain consistency in their playing without sacrificing the tonal quality. It helps in managing peaks and valleys in volume, making it easier to achieve a polished sound.

In terms of connectivity, the MB-1200 includes several input options, including a 1/4-inch input jack to accommodate various bass types. There’s also a balanced XLR output for direct connection to mixing consoles or PA systems, providing flexibility for live or studio applications.

Portability is another strong suit of the MB-1200. Weighing considerably less than traditional amplifiers, it is easy to transport. Its rugged construction ensures durability, making it suitable for musicians who are frequently on the move.

In summary, the Fender MB-1200 combines powerful amplification with advanced features, resulting in a dynamic tool for bassists. Whether in a live performance setting or a studio recording environment, the MB-1200 stands out for its performance, versatility, and user-friendly design, providing musicians with the tools they need to create and enhance their sound.
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