This is a wrapper around Greg Hopkins' awesome EMT 140 Plate Reverb impulse response set, located here.
npm install --save one-forty
var one40 = require('one-forty');
var context = new AudioContext();
one40('bright-1').then(function(buffer) {
var verb = context.createConvolver();
verb.buffer = buffer;
source.connect(verb);
verb.connect(context.destination);
});