The Rotosound RKH1 The King Henry Phaser is a Rotosound phaser pedal. Close alternatives include the Simple Sam Flanger-Roo Flanger and the Tone City Summer Orange. It pairs well with the Fender Deluxe Reverb and the 1959 Fender Tweed Deluxe.

Rotosound RKH1 The King Henry Phaser

Rotosound · pedal

Rotosound, a British brand best known for decades as a leading manufacturer of guitar and bass strings, extended into effects pedals with releases like the RKH1 The King Henry Phaser, bringing the company's established manufacturing reputation into a new product category. As a phaser, it sweeps a series of notch filters across the frequency spectrum to create the classic swirling, watery modulation associated with the format, distinct from the flanger or chorus effects found elsewhere in modulation pedal catalogs. The playful King Henry naming reflects a British boutique-pedal sensibility, layering personality onto a well-understood, classic effect type.

  • phaser
  • modulation
  • release
  • boutique
  • driven
  • distinctive character
  • psychedelic
  • frequency

Genres the Rotosound RKH1 The King Henry Phaser is commonly used in

  • Funk
  • New Wave
    citedInferred from shared tonal signals, not a stated genre tag.
  • Experimental
    citedInferred from shared tonal signals, not a stated genre tag.
  • Classic Rock
    citedInferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the Rotosound RKH1 The King Henry Phaser

Fender Deluxe Reverb

Fender

13% match

Fender Deluxe Reverb's own spring character is the real reason this is worth trying

1959 Fender Tweed Deluxe

Fender

12% match

1959 Fender Tweed Deluxe's own mid-forward character is the real reason this is worth trying

Pedals that stack with the Rotosound RKH1 The King Henry Phaser

Univox Super-Fuzz

Univox

9% match
$599via Reverb

What Univox Super-Fuzz brings here leans toward octave — that's worth building a pairing around

ZVEX Fuzz Factory

Zvex

9% match
$199via Reverb

ZVEX Fuzz Factory's own fuzzy character is the real reason this is worth trying

Empress Echosystem

Empress

6% match
$481.63via Reverb

Put Empress Echosystem after Rotosound RKH1 The King Henry Phaser in the signal chain, clear of Rotosound RKH1 The King Henry Phaser's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Keeley Halo

Keeley

6% match
$211.65via Reverb

Put Keeley Halo after Rotosound RKH1 The King Henry Phaser in the signal chain, clear of Rotosound RKH1 The King Henry Phaser's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Alternativessee all similar tone character →

Simple Sam Flanger-Roo Flanger

Simple Sam

74% similarity
$48.80via Reverb

Shared character: flanger, overdrive_pedals, players

Tone City Summer Orange

Tone City

74% similarity
$54.66via Reverb

Shared character: flanger, overdrive_pedals, phaser

Schulte Compact Phaser

Schulte

73% similarity

Shared character: flanger, phaser, chorus

MXR Phase 100

MXR

71% similarity
$149.99via Reverb

Shared character: effect, phaser, modulation

Heavy Metal FX HMFX Phase Riot Factory Second

Heavy Metal Fx

71% similarity

Shared character: players, phaser, brand

W-LM Phased Out

W-LM

70% similarity

Shared character: overdrive_pedals, players, phaser

Simple Sam Faze-It Phase

Simple Sam

70% similarity
$48.80via Reverb

Shared character: overdrive_pedals, phaser, filter

Cordovox PH-8

Cordovox

70% similarity
$69.99via Reverb

Shared character: flanger, overdrive_pedals, phaser

PastFx Deluxe Elastic Mattress Flanger

Pastfx

69% similarity
$224via Reverb

Shared character: flanger, overdrive_pedals, players

NuX Mod Core Deluxe MKII Modulation Effektpedal

Nux

67% similarity
$93.69via Reverb

Shared character: players, flanger, phaser

Rotosound RWB1 The Wobbler Tremolo

Rotosound

66% similarity

Shared character: boss_pedals, phaser, brand

Ibanez PH Mini Phaser Mini

Ibanez

95% similarity
$121.68via Reverb

similar tone character

See all alternatives to the Rotosound RKH1 The King Henry Phaser (cheaper + boutique) →

Questions people ask

What are good alternatives to the Rotosound RKH1 The King Henry Phaser?+

The closest matches in character are the Simple Sam Flanger-Roo Flanger, the Tone City Summer Orange, the Schulte Compact Phaser.

What pairs well with the Rotosound RKH1 The King Henry Phaser?+

Strong matches from rig and tone-complementarity evidence: Fender Deluxe Reverb, 1959 Fender Tweed Deluxe, Univox Super-Fuzz — Fender Deluxe Reverb's own spring character is the real reason this is worth trying.

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