Fender Blues Junior IV Black
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- This item is covered for 3 years
Essential Information About the Fender Blues Junior IV Amp
Essential Information About the Fender Blues Junior IV Amp
- 15-watt tube combo: a compact format, ideal for studio, rehearsal, and small stages
- 12-inch (305 mm) Celestion A-Type speaker: more punch and a modern rock character when pushed
- Revised preamp: more clarity, definition, and richer overdrive
- Softened spring reverb: more musical and controllable, even at high volume
Manufacturer Information
Fender
https://www.fender.com
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Fender (EDC) B.V.
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Historical Context and Positioning in the Range
The Blues Junior has established itself as one of Fender's most popular combos for achieving a true tube tone in an easy-to-transport format. This IV version modernizes the experience without betraying the original spirit: a simple, effective amp that covers bright clean tones to bluesy crunch, with an essential spring reverb and a classic Fender look.
Who This Amp Is For
The Fender Blues Junior IV is aimed at serious beginners to experienced musicians who want a versatile tube combo. It excels in the studio for its lively sounds and dynamics, in rehearsal for its presence in the mix, and on stage for clubs and small venues with good mic pickup. Perfect for blues, rock, pop, country, and all styles where you play with guitar volume and pick attack.
Technical specifications
| Effects | Reverb | Category | Amplifier |
| Category | Guitar combo | Number of channels | 1 |
| Technology | Tubes | Speaker diameter | 12" |
| Effects loop | No | Speaker model | Celestion-A-Type |
| Amp tubes | EL84 | Headphone output | No |
| Pre-amp tubes | 12AX7 | Color | Black |
| Attenuator | No | Power output | 100 W |
Customer reviews
What customers say
Summarized and selected by AI from recent customer reviews
Customers praised this tube amplifier for excellent sound quality and portability. Described as "perfect" for rehearsal rooms, small venues, and home use with a reasonable price. The BJ4 version shows improvements in level controls and EQ responsiveness. Some noted stock tubes can be harsh, recommending tube replacement for optimal performance.
Review highlights
- âExcellent amp with very good clean soundâ
- âPerfect, super ampâ
- âMy first tube amp at 74 years old, a joy to play on such equipmentâ
Based on 7 reviews
- 4 stars, 0 reviews
- 3 stars, 0 reviews
- 2 stars, 0 reviews
- 1 star, 0 reviews
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Fender did a good job at improving the flaws. I had a BJ3 that I ended up selling because it was always complicated to have a balanced sound.
With the BJ4, I see a marked improvement in the action of the Level and Master, as well as in the responsiveness of the EQ.
Installing an HP Celestion A-Type provides a balanced treble, mid, and bass response.
The only downside, in my opinion, is the constant presence of GT tubes, which have a loud microphone and loud highs. As with Deluxe Reverb, the best alternative is to replace the lamps.Automatically translated
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This amp is just perfect for my use in a rehearsal room or small stage. I chose it for its sound quality and I am completely satisfied with it.
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The Fender tube sound is transportable and usable everywhere (home, small stages, clubs) in a reasonable budget.
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VERY GOOD, VERY CLEAR, POWERFUL, A GOOD COMPROMISE WITHOUT PAYING CRAZY PRICES
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My first tube amp at 74, a pleasure to play on such equipment
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Questions frequently asked
Is the Blues Junior IV Black suitable for rehearsals and small venues?
With 15 watts tube power, a 12-inch Celestion A-Type speaker, and a total impedance of 8 ohms, this combo is suitable for rehearsals, studio use, and clubs with mic reinforcement. Its dimensions are 406 x 249 x 457 mm, and the listed weight is 14.3 kg.
What sound does the Fat mode of the Blues Junior IV offer?
The included 1-button footswitch, reference 0994059000, activates the âFatâ mode. This mode boosts the mids and thickens the tone for solo passages.
Can headphones be used or pedals connected in an effects loop?
There is no headphone output or effects loop available on this model.
How to adjust the crunch on this Fender amp?
The single channel combines the Volume and Master controls to shape the gain. Increasing the Volume causes the EL84 tube circuit to produce organic crunch and then a more singing distortion. The Bass, Middle, and Treble EQ allows adjustment of the Celestion A-Type speaker's response.
What reverb is built into the Fender Blues Junior IV Black?
A redesigned spring reverb is integrated with a dedicated control. Its design is reported to be smoother than on previous versions.



