Electro-Harmonix Ring Thing Manual
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Electro-Harmonix Ring Thing Manual

Single sideband modulator
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Congratulations on your purchase of the Electro-Harmonix Ring Thing. The Ring Thing has
four selectable modes that utilize either frequency or pitch shift modulation: Ring
Modulation, Single Sideband – Upper Band, Single Sideband – Lower Band and Pitch Shift.
The Ring Modulator section builds upon the original EHX Frequency Analyzer adding to it
selectable carrier waveforms, a sweepable filter, presets and expression pedal control.
Single-sideband modulation is a new effect based on Ring Modulation but where only one
band is present, making it a more harmonious effect. Finally, we have a powerful
modulatable pitch shifter that can do detune effects, vibrato, chorus, transpose or even
whammy when you use an external expression pedal.
Special Features of the Ring Thing:
Four selectable modes: Ring Modulation (RM), Upper Band Modulation (UB),
Lower Band Modulation (LB), Pitch Shift (PS).
Single Sideband frequency shifter with separate simultaneous upper
and lower sideband outputs.
Automatically tune the Ring Modulator to any incoming signal by
pressing and holding the PRESET FSW.
The Ring and SSB Modulators can automatically tune to a note you play on your
instrument
Pitch shifter with range of +/- 2 octaves.
Five modulation waveforms: Square, Sine, Ramp up/down, Triangle.
Expression Pedal control over carrier frequency or pitch shift amount.
Optional external oscillator/modulation input.
Mono Input / Stereo Output in all modes.
Save and load up to 9 presets.
WARNING: The Ring Thing comes equipped with an Electro-Harmonix 9.6DC-200BI
power supply (same as used by Boss™ & Ibanez™: 9.6 Volts DC 200mA). The Ring
Thing requires 190mA at 9VDC with a plug that is center negative. Using the wrong AC
adapter, even those made by Electro-Harmonix, could cause harm to the unit, the
adapter or you. The Ring Thing does not use batteries.
RING THING
Single Sideband Modulator
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Summary of Contents for Electro-Harmonix Ring Thing

  • Page 1 RING THING Single Sideband Modulator Congratulations on your purchase of the Electro-Harmonix Ring Thing. The Ring Thing has four selectable modes that utilize either frequency or pitch shift modulation: Ring Modulation, Single Sideband – Upper Band, Single Sideband – Lower Band and Pitch Shift.

  • Page 2: Quick Start Guide

    INST Input Jack on the right side of the Ring Thing. Connect an unbalanced instrument cable from the MONO L output jack on the left side of the Ring Thing. Connect the other end of the instrument cable to the input of a guitar, bass, or keyboard amplifier.

  • Page 3: Using An Expression Pedal

    COARSE knob down below 9 o’clock, the Ring Thing will act like a tremolo effect. Use the WAVE knob to change the shape of the tremolo. Use the FINE knob to fine tune the rate.
  • Page 4 All incoming notes are shifted by the same factor in Pitch Shift mode. Connect the Ring Thing as described in Basic Amplifier Connection Setup. Press the BYPASS footswitch so the STATUS LED is on Press the MODE knob so that ALL LEDs are lit: Pitch-Shift.

  • Page 5: Troubleshooting

    FILTER/RATE knob down to full counter-clockwise and then set FINE to 12 o’clock. – SUGGESTED SETTINGS Below are some suggested settings for getting started with the Ring Thing. DETUNE RING MOD RING VIBE...
  • Page 6 TREMOLO SUB OCTAVE ROTARY THING...
  • Page 7 OCTAVE UP/WHAMMY (Uses an optional expression pedal to control Pitch Shift) PITCH MOD...

  • Page 8: Mode Descriptions

    In addition, each mode changes the function of some of the Ring Thing’s knobs. In this section we will describe each mode and the functionality of the knobs that change with the mode.
  • Page 9 UB: Upper-Sideband Modulation – A standard ring modulator creates two sidebands at a set distance from the carrier frequency. In Upper-Sideband mode, the Ring Thing outputs the Upper Sideband to the Left Output, and the Lower Sideband to the Right Output.

  • Page 10: Mode Knob

    - CONTROLS, INDICATORS and I/O - MODE KNOB This is the white knob located in the upper right corner of your Ring Thing. The MODE knob is a rotary encoder enabling the user to choose the mode they want to play through and also scroll through the nine presets of the Ring Thing.
  • Page 11 Ring Modulator and Upper/Lower Sideband Modes: The FINE/DEPTH knob works in conjunction with the COARSE knob to fine tune the carrier/modulation frequency. First set the COARSE knob. Then use the FINE knob to hone in on the exact tuning frequency for your sound. Pitch Shift: If pitch modulation is off (FILTER/RATE knob at full counter- clockwise) the FINE/DEPTH knob works with the COARSE knob to set the amount of pitch shift.
  • Page 12 PRESET LED LADDER The Ring Thing accommodates the saving and recall of 9 presets. The preset indicators are located in the PRESET LED ladder below the COARSE knob. Each preset has an associated LED next to it indicating which preset is selected. Turn the MODE encoder to scroll through the PRESET LED ladder, though this will not load the presets.
  • Page 13 The Bypass footswitch toggles the Ring Thing between effect mode and bypass mode. If the STATUS LED is lit then the Ring Thing is in effect mode. If the STATUS LED is off, then the Ring Thing is in bypass mode. In Bypass mode, the MONO/Left Input Jack is connected directly to the MONO/Left and Right Output Jacks.
  • Page 14 EXP INPUT Jack The Ring Thing allows for expression pedal input via the EXP input jack. The expression pedal must have a Tip-Ring-Sleeve plug attached to it. It is important that the expression pedal have the correct polarity. The tip of the plug must be connected to the wiper of the potentiometer inside the expression pedal.

  • Page 15: Technical Specifications

    Plug the output of the Ring Thing’s supplied AC Adapter into the 9V power jack located at the top of the Ring Thing. The Ring Thing requires 9 - 9.6VDC at 200mA with a center negative plug. The Ring Thing accepts Boss style AC Adapters. The actual current draw of the Ring Thing is 190 mA.
  • Page 16 Turn the MODE knob clockwise until no LEDs are lit to unload the current preset and restore the sound to the current knob settings. HOW TO RESTORE FACTORY PRESETS IN THE RING THING: 1. Press and hold down the Encoder SW (white knob) and the PRESET FSW while applying power.

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