Fender 57 Twin Amp 100V 50-60Hz JPN 81-40507-000 Manual

Fender 57 Twin Amp 100V 50-60Hz JPN 81-40507-000 Amplifier manual cover

Pages 20

Year 2004

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Fender 57 Twin Amp 100V 50-60Hz JPN 81-40507-000 Amplifier Specification

The Fender 57 Twin Amp 100V 50-60Hz JPN 81-40507-000 is a meticulously crafted guitar amplifier designed to deliver classic vintage tone. This amplifier is modeled after the iconic Fender Tweed Twin, renowned for its rich, warm sound and dynamic response. The 57 Twin Amp features a hand-wired circuit design that pays homage to the original circuitry, ensuring authenticity in sound reproduction. It operates at 100 volts and accommodates a frequency range of 50-60Hz, making it suitable for use in Japan. The amplifier boasts two 12-inch Jensen P-12Q Alnico speakers, which contribute to its legendary tonal quality by providing a balanced and articulate sound.

The amp is powered by a set of 5U4 rectifier tubes, 6L6 output tubes, and 12AX7 preamp tubes, delivering a robust 40 watts of output power. Its control panel includes a range of knobs for volume, treble, bass, and presence, offering musicians precise control over their sound. The lacquered tweed covering and vintage-style brown/gold grille cloth not only enhance its aesthetic appeal but also protect the internal components. The 57 Twin Amp also includes dual channels, normal and bright, catering to different tonal preferences and allowing for versatile sound shaping. This amplifier, with its attention to detail and superior craftsmanship, is designed for guitarists seeking a genuine vintage experience combined with modern reliability.

Fender 57 Twin Amp 100V 50-60Hz JPN 81-40507-000 Amplifier F.A.Q.

How do I properly set up my Fender 57 Twin Amp for the first time?

To set up your Fender 57 Twin Amp, start by connecting your guitar to the input jack using a standard instrument cable. Plug the amp into a suitable power source (100V 50-60Hz for JPN models). Turn on the power switch and allow the tubes to warm up for a minute before playing. Adjust the volume and tone controls to your preference.

What is the best way to troubleshoot hum or noise issues with my Fender 57 Twin Amp?

If you experience hum or noise, first check all cable connections and ensure they are secure. Try different cables to rule out cable issues. Ensure the amp is plugged into a properly grounded outlet. Moving the amp away from other electronic devices can also help reduce interference.

How often should I replace the tubes in my Fender 57 Twin Amp?

Tubes typically last between 1 to 3 years, depending on usage. Replace them if you notice a significant drop in sound quality, unusual noise, or if the amp stops working. Always use recommended tubes for best performance.

Can I use pedals with the Fender 57 Twin Amp, and if so, how should I connect them?

Yes, you can use pedals with your Fender 57 Twin Amp. Connect your guitar to the input of your pedal chain, and the output of the last pedal to the amp's input. Experiment with pedal order to achieve your desired sound.

What maintenance does the Fender 57 Twin Amp require to keep it in top condition?

Regular maintenance includes cleaning the amp with a soft cloth, checking and replacing tubes when necessary, and ensuring all connections are secure. It's also good practice to have a professional technician inspect the amp annually.

How can I fix a crackling sound in my Fender 57 Twin Amp?

Crackling sounds may be caused by dirty or oxidized tube sockets. Try removing and reinserting the tubes to improve contact. If the problem persists, replace the tubes or consult a technician for further diagnosis.

What is the correct way to bias the tubes in my Fender 57 Twin Amp?

Biasing the tubes should be done by a qualified technician, as it involves high voltages. Proper biasing ensures optimal performance and longevity of the tubes. Consult the amp’s manual or contact Fender support for specific biasing instructions.

How do I clean the exterior of my Fender 57 Twin Amp?

To clean the exterior, use a soft, damp cloth to wipe down the amp’s surface. Avoid using harsh chemicals or abrasive materials, as they can damage the finish. Ensure the amp is unplugged and dry before using it again.

Can I use my Fender 57 Twin Amp with a speaker cabinet, and if so, how?

Yes, you can connect an external speaker cabinet to the Fender 57 Twin Amp. Use a speaker cable to connect the amp’s speaker output to the input jack on the cabinet. Ensure impedance compatibility between the amp and the cabinet.

What should I do if my Fender 57 Twin Amp doesn't turn on?

First, check that the power cable is securely connected and the outlet is functioning. Inspect the fuse and replace it if blown. If the problem persists, the issue may be internal and require professional servicing.