Anonymous ← Feedback for iCircuit My feedback 1 result found Add the symbols for those of us that use audio tubes in our amplifier circuits. No one has this simple feature.. 9 votes Vote Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close 1 vote 2 votes 3 votes Remove votes You have left! (?) (thinking…) under review · 0 comments · General · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Anonymous shared this idea · Jan 27, 2017