FENDER UFBJIV04082026 Blues Junior Iv 663

( Brand: Fender ), ( Manufacturer Part Number: UFBJIV04082026 ), ( Amplifier Type: Combo )

Review FENDER Used Blues Junior Iv 663

The Fender Blues Junior IV 663 is a highly-regarded tube guitar amplifier, boasting a traditional design that delivers authentic and dynamic tone. This amplifier is part of Fender's Blues Junior series, which has earned a reputation for providing musicians with a versatile and high-quality sound experience.

The Blues Junior IV 663 is a 15-watt, single-channel, all-tube amplifier. It features three 12AX7 preamp tubes and two 6V6 power tubes, providing a warm and rich sound that is ideal for blues, rock, and country genres. The amplifier's simple control layout includes a single channel with volume, treble, middle, and bass knobs, allowing for easy tone shaping.

This model also includes a modified "blackface"-style spring reverb and a tube-driven vibrato circuit. The reverb adds a spacious and lush quality to the sound, while the vibrato adds a pulsing and expressive effect. The amplifier's tone can be further customized by swapping out the preamp tubes, allowing for a wide range of tonal possibilities.

The Blues Junior IV 663 comes with a Celestion 12-inch "Blue" speaker, which is known for its bright and punchy tone. The speaker cabinet is covered in classic tweed material, adding to the amplifier's vintage aesthetic. The amplifier's dimensions are 17.8 inches (W) x 9 inches (D) x 15 inches (H) and it weighs approximately 23 pounds.

This amplifier is hand-wired in the USA and comes with a limited 5-year warranty. It is a perfect choice for musicians who want a authentic, high-quality tube amp with a classic look and sound. Whether you're playing at home, in a studio, or on stage, the Fender Blues Junior IV 663 is sure to deliver a tone that inspires and satisfies.

A Detailed Analysis of the Fender Blues Junior IV 663 Amplifier: Pros, Cons, and Recommendation

The Fender Blues Junior IV 663 is a popular choice among guitarists who seek a versatile and powerful amplifier for their blues and rock performances. In this analysis, we will discuss the key features, advantages, and disadvantages of this amplifier to help you make an informed decision.

1. 15-watt, all-tube design with two 12AX7 preamp tubes and two EL84 power tubes.

2. Three-band EQ (Bass, Middle, Treble) and a Presence control.

3. Celestion 12" Blue Alnico speaker.

4. Top-mounted input, gain, master volume controls, and a reverb control.

5. Footswitch jack for external reverb and tone selection.

1. Authentic Fender tone: The Blues Junior IV 663 delivers the classic Fender tone that is warm, clear, and full of character.

2. Versatile: With a three-band EQ and a Presence control, this amplifier can handle various playing styles and genres.

3. Durable: The amp's rugged construction ensures that it can withstand the rigors of regular gigging and practice.

4. Compact size: The Blues Junior IV 663 is a portable amplifier, making it easy to transport and set up for gigs.

5. Affordable: Compared to other Fender amplifiers, the Blues Junior IV 663 is relatively affordable, making it an excellent value for the money.

1. Limited power: With only 15 watts, this amplifier might not be suitable for large venues or loud gigs.

2. Limited reverb options: The amplifier has a built-in spring reverb, which might not be sufficient for some players who prefer other types of reverb.

3. Noisy: Some users have reported that the Blues Junior IV 663 produces a hum or buzz when certain settings are used.

The Fender Blues Junior IV 663 is an excellent choice for guitarists seeking a versatile, portable, and affordable amplifier that delivers authentic Fender tone. Its compact size and rugged construction make it ideal for gigging and practice, while its three-band EQ and Presence control offer a wide range of tonal possibilities. However, its limited power and reverb options might not be suitable for all playing styles and genres, and some users have reported issues with noise.

If you're a blues or rock guitarist looking for an affordable and versatile amplifier with authentic Fender tone, the Blues Junior IV 663 is an excellent choice. However, if you require more power or advanced reverb options, you might want to consider other Fender amplifiers or alternatives from other brands. Ultimately, the decision depends on your individual needs and preferences as a guitarist.

Details:

A 15-watt favorite in any setting, this is ideal for guitarists who need to hit the stage or studio at a moments notice with warm tone and versatile features. Electronics, Controls: Reverb, Master, Middle, Bass, Treble, Fat Switch, Volume, Control Panel: Inputs: One - 1/4, Channels: One, Effects: Connection Type: voltage : 120V, Wattage: 15 watts . Miscellaneous, Power Cable: Non-IEC. There are a few light scuffs on the Rolex here and there, inside is little dusty could use quick cleanup, but solid condition overall.

The onboard spring reverb has been modified to add smoothness, so you still get rich, shimmering tone, no matter how much use. Original cover included, but does not come with a foot switch. The updated aesthetics include improved control panel texture and graphics, ivory pointer knobs, steel-reinforced strap handle lightly-aged silver grille cloth, giving it the unmistakable look vibe you can only get from a Fender amp. The Blues Junior IV includes a 12 Celestial A-Type speaker for well-balanced output with smooth highs, laid back mid range and full, round lows.

This is in great condition with only some light examples of wear. Hardware, Control Knobs: Chicken-Head Pointer - Ivory, Amplifier Covering: Black Textured Vinyl, Cabinet Material: 3/4 Particle Board, Grille Cloth: Lightly-Aged Silver, Handle: Molded Plastic Strap with Nickel-Plated Caps, Jewel: Red Jewel, Front Panel. Reliable, flexible and pedal-friendly, the Blues Junior IV is an ideal addition to any electric guitarists collection.

part #: ufbjiv04082026 prices

• $455.00-$710.99

specifications guitoamps:

• brand: Fender
• mpn: Ufbjiv04082026
• amplifier type: Combo

shipping guitoamps:

• transit: 2-5 Days
• service: Standard
• cost: $35.00
• type: Fixed
• class: Standard

seller guitoamps:

• rating: 100.0%
• # reviews: 7031
• city: Pikeville, Kentucky

payments guitoamps:

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general guitoamps:

• condition: Used
• Musical Instruments Gear > Guitars Basses > Guitar Amplifiers

offer guitoamps:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True
• started: April 8, 2026

returns guitoamps:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

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