From Fender:
One of the most-beloved small combo amps in the world, the Blues Junior IV adds modified preamp circuitry, smoother-sounding spring reverb and improved aesthetics that any player is sure to appreciate. A 15-watt favorite in any setting, this amp is ideal for guitarists who need to hit the stage or studio at a moment’s notice with warm tone and versatile features.
Amplifier Type: Tube
Control Knobs: Chicken-Head Style Pointer – Ivory
Inputs: One – 1/4″
Cabinet Material: 3/4″ Particle Board
Handle: Molded Plastic Strap with Nickel-Plated Caps
Speakers: One – 12″ Celestion A-Type
Total Impedance: 8 ohms
Power Tubes: 2 x EL84
Preamp Tubes: 3 x 12AX7
Dimensions: 12.60×18.80×19.80 IN
Weight: 37.85 LB