Boss · Reverb

Boss RV-500 Settings Guide

The Boss RV-500 is Boss's flagship reverb — 32 reverb algorithms including all standard types plus specialized modes (Shimmer, Resonance, Gate, Modulated, and more), stereo I/O, MIDI, effects loop, and dual DSP engines that can run two algorithms simultaneously. It is the most comprehensive Boss reverb and one of the most versatile compact reverb units available.

The best Boss RV-500 settings start with: Mix at 4/10, Time at 5/10, Tone at 5/10, Algo at 5/10, Mod at 2/10. Adjust from there based on your amp, guitar, and room volume. For Ambient: Mix 7/10, Time 9/10, Tone 5/10, Algo 8/10, Mod 4/10.

What Each Control Does

Mix
Dry
Wet
Reverb wet/dry blend.
Time
Short
Long
Reverb decay time.
Tone
Dark
Bright
Frequency character of the reverb.
Algo
Room
Shimmer
Algorithm selection — 32 types from Room through experimental.
Mod
None
Deep
Modulation depth applied to the reverb tail.

Recommended Starting Settings

Safe starting positions for any style. Adjust from here based on your amp and room.

4
Mix
5
Time
5
Tone
5
Algo
2
Mod

All values on a 0–10 scale. These are starting points — fine-tune by ear.

Settings by Genre

Ambient
Mix7
Time9
Tone5
Algo8
Mod4

Shimmer or long Hall algorithm with very long Time and moderate Mod — the RV-500 for ambient guitar. Long Time produces a sustained reverb that supports ambient drone and texture playing. Mod 4 adds modulation to the long reverb tail, creating evolving character. The dual DSP allows a Hall and a Shimmer algorithm to run simultaneously.

Classic Rock
Mix3
Time4
Tone5
Algo2
Mod1

Plate algorithm at moderate settings — Room or Plate at Time 4 for classic rock verb. Mix 3 keeps the reverb subtle and natural. Mod minimal (1) prevents the reverb from sounding obviously processed. At these settings the RV-500 produces studio-quality plate reverb for rock guitar.

Country
Mix3
Time3
Tone6
Algo3
Mod1

Spring algorithm at practical country settings — the Spring algorithm on this unit accurately models spring reverb tank character. Time 3 produces moderate spring decay. Tone 6 brightens the spring for clean Telecaster playing. Mix 3 keeps the reverb functional without overwhelming the dry signal.

Shoegaze / Wall of Sound
Mix6
Time8
Tone4
Algo7
Mod5

A dense Hall or Modulate algorithm at long Time with elevated Mod produces a thick, unstable wash suited to shoegaze layering, distinct from the more controlled ambient preset.

Studio Reference (dry-adjacent)
Mix2
Time3
Tone5
Algo1
Mod0

A short Room algorithm at low Mix works as a subtle, mostly-invisible reverb for recording, adding a sense of space without an obvious wet effect on the final mix.

Tips & Common Mistakes

  • The dual DSP capability of this unit allows two reverb algorithms to run simultaneously — for example, a short Room reverb providing space on the dry signal combined with a long Shimmer reverb for ambient layers. Access this from the patch programming mode rather than the main controls.
  • Algorithm choice is a bigger tonal decision than any single knob — spend time auditioning the full algorithm list for a given song before fine-tuning Time, Tone and Mod within the chosen algorithm.
  • MIDI control and patch storage make this unit well suited to complex live setlists with many distinct reverb settings recalled instantly, a genuine advantage over simpler stompbox reverbs for gigging musicians.
  • The Mod control adds pitch and amplitude modulation to the reverb tail specifically, not the dry signal — a useful way to add movement to a sustained reverb wash without affecting note attack.
  • For players coming from a single-algorithm reverb pedal, starting with Mix lower than instinct suggests and increasing gradually avoids an overly washy result while learning how each algorithm behaves at different settings.

Boss RV-500 — Common Questions

Best starting settings for Boss RV-500: Mix at 4/10, Time at 5/10, Tone at 5/10, Algo at 5/10, Mod at 2/10. Adjust from there based on your guitar, room, and playing style.

For Ambient: Mix 7/10, Time 9/10, Tone 5/10, Algo 8/10, Mod 4/10. Shimmer or long Hall algorithm with very long Time and moderate Mod — the RV-500 for ambient guitar. Long Time produces a sustained reverb that supports ambient drone and texture playing. Mod 4 adds modulation to the long reverb tail, creating evolving character. The dual DSP allows a Hall and a Shimmer algorithm to run simultaneously.

For Classic Rock: Mix 3/10, Time 4/10, Tone 5/10, Algo 2/10, Mod 1/10. Plate algorithm at moderate settings — Room or Plate at Time 4 for classic rock verb. Mix 3 keeps the reverb subtle and natural. Mod minimal (1) prevents the reverb from sounding obviously processed. At these settings the RV-500 produces studio-quality plate reverb for rock guitar.

Mix: Reverb wet/dry blend. (Dry to Wet). Time: Reverb decay time. (Short to Long). Tone: Frequency character of the reverb. (Dark to Bright). Algo: Algorithm selection — 32 types from Room through experimental. (Room to Shimmer). Mod: Modulation depth applied to the reverb tail. (None to Deep)

The dual DSP capability of this unit allows two reverb algorithms to run simultaneously — for example, a short Room reverb providing space on the dry signal combined with a long Shimmer reverb for ambient layers. Access this from the patch programming mode rather than the main controls. Algorithm choice is a bigger tonal decision than any single knob — spend time auditioning the full algorithm list for a given song before fine-tuning Time, Tone and Mod within the chosen algorithm. MIDI control and patch storage make this unit well suited to complex live setlists with many distinct reverb settings recalled instantly, a genuine advantage over simpler stompbox reverbs for gigging musicians. The Mod control adds pitch and amplitude modulation to the reverb tail specifically, not the dry signal — a useful way to add movement to a sustained reverb wash without affecting note attack. For players coming from a single-algorithm reverb pedal, starting with Mix lower than instinct suggests and increasing gradually avoids an overly washy result while learning how each algorithm behaves at different settings.

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