The top 20 effects of all time

If you’re reading this, chances are that at some point in your life, you’ve owned an Ibanez Tube Screamer. Talk to a Tube Screamer aficionado, and it won’t be long before they start talking about IC chips – original TS808s and early TS-9s used the JRC4558D op-amp chip, and many users contend that it’s this that gives those original Tube Screamers the sweet, vocal midrange they became famous for.