With AMS 0% interest Payment Plans, you use your own credit or debit card, and we will never charge you any interest! We will split your order total equally across the plan that you have chosen.
Your credit card will be charged every 31 days, automatically. It’s that easy! Some plans require a credit check.
With AMS 0% interest Payment Plans, you use your own credit or debit card, and we will never charge you any interest! We will split your order total equally across the plan that you have chosen.
Your credit card will be charged every 31 days, automatically. It’s that easy! Some plans require a credit check.
Our 4 state-of-the-art, strategically located warehouses are highly efficient and allow us to ship your gear in record time - and most orders will arrive at your door within 2 days for free. Shortly after you place your order, a Ship Confirmation email will arrive letting you know the order was picked, packed, and put on a truck. Full Details
Our 45 day return policy allows you to buy with confidence at AMS! If you are not completely satisfied with any item* purchased from AMS, return it to us within 45 days of the shipping date, and we will refund your money or help you with an exchange. That's always been our policy, and now we've added the ease of Electronic Return Labels!
Canadian Shipping Information
Welcome Canadian musicians! Buying your gear from AMS is as easy as going to a local music store, with more selection and more than competitive prices!
Items with this logo are eligible to ship to Canada. Please note that you will be responsible for payment of brokerage fees, duties and other import taxes applicable to your order.
NOTE: Free shipping offers do not apply to Canadian orders. Please be aware of custom fees - such as taxes and duties - when your order arrives. Since these fees vary from location to location, CUSTOMS FEES ARE NOT INCLUDED IN SHIPPING CHARGES. Please check with your local customs office for more information on the fees in your areas. Refusal to pay these fees will result in an undeliverable order. If returned, we do not refund shipping charges and may assess restocking fees to cover return shipping expenses.
Have questions, found a better price? Talk to a sales specialist!
The Aqueduct Vibrato produces a rich tone that is warm and expressive. Welcome to your EarthQuaker Devices Aqueduct Vibrato!
Contrary to what’s written on the faceplate of certain famous deluxe amplifiers, Vibrato is a form of frequency (or wavelength) modulation which we hear as a variation in pitch. It is often confused with Tremolo, which among other things, is a type of amplitude modulation our ears hear as a change in volume.
Aqueduct uses a short delay line with eight different methods of modulation to deliver gentle rolling pitch-wobbles, steady kosmiche pulsations, rapid trills, slimy sonic squiggles, whammy bar wiggles, and anything else your pitch-warped brain can picture in your murky mind’s eye.
The controls are simple. Rate adjusts the LFO speed which controls how quickly the pitch rises and falls. Depth controls the LFO amplitude, adjusting the intensity of the vibrato effect. The rotary switch labeled Mode selects between one of eight LFO waveshape and envelope combinations which drastically alter the character of the modulation and make Aqueduct adaptable to nearly any musical situation.
This is the portion of the manual where we list Aqueduct’s eight modes in order from not that weird to wow, that’s weird. Here we go:
Sine:
The smoothest and most subtle of all waveforms, sine waves are most commonly associated with classic amp-like vibrato. Plug in, turn on, and commence the Chooglin’.
Triangle:
Triangle waves have a sharper rise and fall than sine waves with a more pronounced pitch bend at the peak of each LFO cycle.
Ramp:
Like a triangle wave with a twist. The Ramp waveform has a sharp sonar pulse followed by a rapid downward slope with a synthesizer-like sustain and release. This is where things start to get a little weird.
Square:
Square waves are the most rigid and abrupt of the waveforms. Rather than gliding smoothly between pitches, square waves produce an instant on-or-off transition between notes. Use this mode for trills when you get tired of doing hammer-ons and pull-offs.
Random:
This waveform isn’t a waveform at all as much as it’s a drunken master of modulation who slurs your notes into an unpredictable assortment of greasy pitch-bends before disappearing at last call and leaving you stuck with the tab. It has a "warped record" effect at low Depth settings and becomes sloppier and more randomized as you increase the Depth control.
Env D:
This is Envelope-Controlled Depth mode. The waveshape is set to a sine wave, the speed of which may be adjusted using the Rate control. The Depth control sets the sensitivity of the envelope - the point at which the effect kicks in as you play. In this mode, your pick attack sets the intensity of the modulation. The harder you dig in, the more pronounced the effect. Try it during your next motorik jam.
Env R:
This is Envelope-Controlled Rate mode. In this mode, the input level (i.e. pick attack) controls the LFO rate. Play harder for faster modulation or lay low for slower modulation speeds. The Rate control adjusts the sensitivity of the envelope. Depth selects the LFO intensity.
Env P:
This is Envelope-Controlled Pitch mode, which we’ve lovingly nicknamed "The My Bloody Valentine setting." If your instrument doesn’t have a tremolo bar, it does now. In this mode, the frequency modulation is controlled by the dynamics of your pick attack and not the LFO. Do yourself a favor and try this one.
Power: This Device should be powered by a standard 9-volt DC power supply with a 2.1mm negative center barrel. We always recommend pedal-specific, transformer-isolated wall-wart power supplies or multiple isolated-output supplies. Pedals will make extra noise if there is ripple or unclean power. Switching-type power supplies, daisy chains and non-pedal specific power supplies do not filter dirty power as well and let through unwanted noise. Do not run at higher voltages!
