Fender Bassman 50 1972 Manual

Fender Bassman 50 1972 Amplifier manual cover

Pages 11

Year 1972

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Fender Bassman 50 1972 Amplifier Specification

The Fender Bassman 50 1972 Amplifier is a classic piece of musical equipment renowned for its robust performance and vintage tonal quality. It features a dual-channel configuration, catering to both bass and guitar players, and is powered by a pair of 6L6GC power tubes, delivering a substantial output of 50 watts. The preamp section includes three 7025 tubes, which are essentially low-noise versions of the 12AX7, contributing to its warm and clean sound profile. The amplifier's design includes a traditional Fender long-tailed pair phase inverter, enhancing its smooth transition between clean and overdriven tones.

The Bassman 50 is equipped with a straightforward control layout, consisting of separate volume controls for each channel, along with treble, middle, and bass EQ knobs, allowing musicians to finely tailor their sound. The presence control further refines the high-end frequencies, lending additional clarity and definition to the output. The amplifier's circuitry is all-tube, maintaining the rich, organic sound that Fender amplifiers are celebrated for.

Physically, the Bassman 50 boasts a durable construction with a silverface panel characteristic of its era, and it is typically paired with a matching speaker cabinet housing dual 15-inch speakers, although configurations may vary. This combination is particularly favored for its deep, resonant bass response. The amplifier includes standard input and output jacks to accommodate various connectivity needs, and its vintage appeal is accentuated by its timeless design and reliable performance. Overall, the Fender Bassman 50 1972 Amplifier remains a sought-after choice for musicians seeking authentic vintage sound and enduring build quality.

Fender Bassman 50 1972 Amplifier F.A.Q.

How do I properly set up my Fender Bassman 50 1972 amplifier for the first time?

Ensure the amplifier is connected to a suitable speaker cabinet with the correct impedance. Plug your instrument into the input jack, set the volume to zero, and turn on the power switch. Gradually increase the volume to the desired level.

What is the best way to clean and maintain the exterior of the Fender Bassman 50 1972?

Use a soft, dry cloth to wipe down the exterior surfaces. For stubborn dirt, a slightly damp cloth can be used. Avoid using any harsh chemicals or cleaners that could damage the finish.

Why is there a humming noise coming from my Fender Bassman 50 amplifier?

Humming noise can be caused by grounding issues, faulty cables, or interference from other electronic devices. Check all connections and cables, and ensure the amp is plugged into a properly grounded outlet.

How often should I replace the tubes in my Fender Bassman 50 1972?

Tube life varies, but typically preamp tubes last 2-3 years and power tubes 1-2 years with regular use. Replace them if you notice a significant loss in sound quality or volume.

What is the correct way to bias the tubes on the Fender Bassman 50 1972?

Tubing biasing should be performed by a qualified technician. It involves adjusting the idle current of the power tubes to ensure optimal performance and longevity.

Can I use the Fender Bassman 50 1972 for both bass and guitar?

Yes, the Fender Bassman 50 is versatile and can be used for both bass and guitar, offering a rich and warm tone for each instrument.

What should I do if my Fender Bassman 50 1972 suddenly stops working?

First, check all connections and fuses. If everything appears intact, consult a professional technician as the issue may be internal, such as a failed tube or capacitor.

How can I reduce feedback when using my Fender Bassman 50 1972 amplifier?

To reduce feedback, try positioning your amplifier and instrument differently, lowering the gain, or using a noise gate pedal. Also, ensure your cables are of good quality and properly shielded.

What is the recommended speaker cabinet pairing for the Fender Bassman 50 1972?

A 2x12 or 4x10 speaker cabinet with an impedance of 4 or 8 ohms is recommended to match the output of the Bassman 50 for optimal performance.

How do I know if the tubes in my Fender Bassman 50 1972 need replacing?

Signs that tubes need replacing include a drop in volume, increased noise, or a change in tone. Physical signs such as a glowing plate or a tube that won't light up are also indicators.