The Fender Pro Junior IV (Lacquered Tweed, 120 V) is a compact, all-tube combo amp built for players who want pure tone in a no-frills package. With its vintage aesthetic and modern refinements, it’s equally at home on stage, in the studio, or at home.
This 15-watt amp houses a Jensen P10R 10″ speaker, paired with a streamlined control layout (Volume and Tone) for directness and touch control.
Fender updated the volume circuit for a more gradual breakup, which helps preserve definition when pushed into overdrive. The amp offers stronger, tighter bass response under drive and a more usable gain curve across the dial.
Inside, you’ll find two 12AX7 preamp tubes and two EL84 power tubes, all contributing to dynamic response, harmonic richness, and classic tube feel.
The lacquered tweed covering, vintage-style grille cloth, and chromed control panel give it a classic look that honors Fender’s heritage.
Whether you're cranking for small clubs, pushing pedals, or recording direct, the Pro Junior IV balances portability, tone, and character beautifully.
| Feature | Detail |
|---|---|
| Wattage | 15 W (tube) |
| Speaker | Jensen P10R 10″ |
| Tubes | 2 × 12AX7 (preamp), 2 × EL84 (power) |
| Channels / Controls | Single channel; Volume & Tone knobs |
| Circuit Update | Modified volume curve for smoother overdrive |
| Bass / Overdrive Response | Tighter bass when driven, better clarity under gain |
| Aesthetic | Lacquered tweed covering, vintage styling |
| Power | 120 V version (for U.S. power standards) |
| Use Cases | Ideal for small gigs, pedalboard setups, recording, and home use |