Stompbox Blog: Ibanez BC-9 Chorus

Stompbox Blog

Welcome to the guitar effects virtual museum. I have been collecting stompboxes for the past few years and wanted to share some thoughts. I will continually add more pics and opinions. Any comments or suggestions are appreciated. Thanks for looking.

Tuesday, September 1, 2009

Ibanez BC-9 Chorus

Ibanez went through several incarnations through it's history but the most beloved are the 9 series produced from 1982-1984. Sure the Tubescreamer has a great history but the Japanese also made other great effects under the Ibanez and Maxon name. What could be better than the Ibanez Cs-9 stereo chorus you might ask? How about 2 of the same circuit boards stuffed into the same purple-metallic housing for starters. Remember, chorus is taking the same analog signal and replicating it a slight step down(detuned) to add a thickened creamy sound for tonal goodness. Now multiply this by 2 and that's what makes this a classic effect. Personally it's one of my favorite chorus devices. For more info please visit

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Blogger deadboy87 said...

Hey maybe you can help me!
I just bought an awesome vintage BC9 Chorus...
I usually feed my pedals with a single "in line" (has 8 boss style 9v outputs) power supply...can I use it with the BC) or does this pedal need a particular separate supply?
Thank you

January 3, 2011 at 9:12 AM  
Blogger Nihil and Void said...

just thought id let you know, the circuit for this pedal is actually the same as the Ibanez CS-9 but with a dual lfo, so there are two independent LFO circuits inside driving a SINGLE delay line, so you can acheive unusual modulation effects by blending the two different lfos, these pedals do not have two desperate BBD lines (like a boss DC-2 or DOD FX67) and is technically not a dual chorus

January 31, 2019 at 11:48 PM  

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