Fender Deluxe Reverb

Volume (Normal)

Controls the level of the Normal channel. The Normal channel is voiced slightly warmer and fuller than the Vibrato channel — it has less treble presence and a rounder character. At low settings it produces a clean, warm platform ideal for rhythm work or pedal-heavy rigs. Pushed past 6–7, it begins to break up in a soft, organic way that is particularly pleasing on single-note lines. On a modeler, the Normal channel model suits humbuckers and darker-sounding guitars better than the Vibrato channel.

Volume (Vibrato)

Controls the level of the Vibrato channel. This is the more commonly used channel — it has slightly more treble presence and interacts with the reverb and tremolo circuits. The Vibrato channel's breakup character is the one most associated with Fender clean-to-crunch tones. At around 7–8, it enters a musical breakup zone where notes sing and sustain without becoming harsh. This is also the channel that responds most obviously to pickup output differences — running a high-output humbucker into this channel at volume 6 will break up; a vintage single-coil may stay clean to volume 9.

Treble

Fender treble controls are voiced differently from Marshall treble — they tend to add sparkle rather than edge. On the Deluxe Reverb, treble contributes the characteristic 'chime' that Fender amps are known for. At settings of 5–7, single-coil pickups ring with an almost bell-like clarity. Above 8, some brightness can become brittle on bright guitars. Below 4, the tone warms up significantly — useful when pushing the amp into breakup to keep things from getting fizzy. On a modeler, the Fender treble voicing is more forgiving of high settings than most British amp simulations.

Bass

Adds low-end weight and fullness. The open-back speaker design of the Deluxe Reverb means bass reinforcement is less directional than a closed-back cab — it spreads more freely. On a modeler using a Deluxe simulation, the bass control interacts with the cab model: an open-back 1×12 simulation will sound different (more open and airy) than a closed-back 2×12. Set bass to 4–6 for most applications. Running bass very high (8+) with breakup dialed in produces a thick, slightly compressed tone that works well for slide or blues playing.

Reverb

Fender's onboard spring reverb is one of the most imitated sounds in guitar history. Even at low settings (1–3), it adds a sense of space and depth that makes the clean tone feel more three-dimensional. At moderate settings (4–6), it produces the classic studio clean tone heard on thousands of records. At higher settings (7+), the 'drip' quality of the spring becomes very pronounced — the characteristic splashy, washy sound of surf music. On a modeler, the spring reverb model should generally be paired with the normal or vibrato amp model rather than with a separate reverb pedal in the chain, to preserve the amp's natural character.

Speed

Controls the rate of the vibrato/tremolo effect. At slow speeds (1–3), the modulation is barely perceptible — a gentle undulation that adds movement without being obvious. At medium speeds (4–6), it produces the classic country and soul tremolo effect. At fast speeds (7+), it becomes more dramatic and psychedelic. The Deluxe Reverb's tremolo works by subtly shifting the amp's internal operating point rather than simply cutting volume rhythmically — it produces a smoother, more organic pulse than most tremolo pedals.

Intensity

Controls the depth (how strong) the vibrato/tremolo effect is. At low intensity settings, the modulation is subtle. At high settings, the volume swells dramatically. Balancing Speed and Intensity is the key to dialing in usable tremolo — high speed with low intensity produces a flutter; low speed with high intensity produces deep, slow swells.