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Circuit Bent Speak & Maths - Heavily Bent with 24 Modifications

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You know these ones... The classic toy from Texas Instruments gets the Bogus Noise rerub. Bent that bit more than most on eBay, this has been made to give full on glitch satisfaction. 24 Modifications have been made to this device, starting with a disableable pitch control, and two pitch body contacts to pitch the machine down by hand. 5 glitch switches to confuse the unit into garbled speech or ambient sonar drones, which can be used individually or together.

For the synthesists, there is a newly-added LFO circuit connected to the pitch, with rate, shape (variable between square and triangle) and depth controls. Great for extraterrestrial sirens and alarms. There's also a looping section which yields bizarre tones and clangs, and a tweak switch that adds a crazy distorted edge to the speech. For tweaking the sound that comes out of the unit, 2 distortions mangle the speech in a unique pitching way.

And for when it all gets a bit much for the way the manufacturer intended, a reset switch is there for your convenience. And also with convenience in mind, a 1.4" output jack provided to send the output to a recording device, amp, or run it through effects pedals... the best way to get a sense of what this machine can do is to watch the video clip below, so get to it!

Added Features
Pitch Knob with Disable Switch
5 Glitch Switches
Twist Switch
2 Pitch Bending Body Contacts
LFO Rate Knob
LFO Rate Indicator LED
LFO Shape Knob
LFO Depth Knob
Loop Activate
2 Loop Modes
Loop Advance
Loop Test
Reset Button
2 Distortion Knobs
2 Distortion Enable/Disable Switches
1/4" Jack Output

Video available at:


I ship these anywhere and everywhere! Please get in touch for postage costs to your country :-)

This comes with its original battery cover, and all the bends can be disabled to use it as it came from the factory. This device runs on 4 x C batteries, not included to keep the postage weight down. The original battery cover is included, and all bends can be switched off to make the device work as if unbent. The instrument also comes with a printed instruction manual with details on how to use it and tips for playing. The instrument will be well packaged and posted within two working days of payment clearing. Payment can be made using PayPal, cheque, or postal order.

We are also regularly working on new designs, so please add us to your favourite sellers to be notified when new instruments are put up for sale!

Circuit Bent Speak & Maths - Heavily Bent with 24 Modifications