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Here are some products any thereminist may find useful. Theremin 30 will receive a small commission if you purchase these theremin accessories or any other items from zZounds.com through the links on this page. The money earned will offset some of the cost of Rick's operating expenses, recording equipment, and software. Thank you for your support!


Planet Waves Circuit Breaker 15ft Instrument Cable
with Latching Cut-Off Switch


Planet Waves has come up with the easiest way to add a mute switch to your theremin. The red button toggles the mute on and off. No soldering is required. 
Go to Zzounds for more details, availability, and current price.


Hosa Tweed GTR518R Instrument Cable with Right Angle Plug




This 18-foot instrument cable has a tweed cloth cover that goes well with the aesthetic design of the Moog Claravox Centennial theremin. Go to Zzounds for more details, availability, and current price.

AirTurn goSTAND Portable Microphone and Tablet Stand


The AirTurn goSTAND is a versatile, lightweight microphone stand that folds up super small to fit in your gig bag. It can be set to a wide range of heights for playing your theremin while standing or sitting. It has a standard US 5/8-inch connector, so you will need an MHD-4 adapter (below) to use it with a Moog Theremini and many European-designed theremins. If you find your Moog Claravox Centennial sits too tall on a conventional mic stand, try this instead. 
Go to Zzounds for more details, availability, and current price.



This simple adapter from Hosa makes a standard US microphone stand with a 5/8 inch 27 tpi connector compatible with the 3/8 inch 16 tpi mounting hole on the Moog Theremini and many European-designed theremins (e.g. Lost Volts, Golem, Subscope, and Nano.) 
Go to Zzounds for more details, availability, and current price.



Gator Quick-Release Microphone Attachment




Attaching or removing your theremin from a mic stand is a snap with this innovative quick-release adapter. The two-part system means no more twirling your theremin around or picking up and cranking on the mic stand when you need to make a quick instrument swap while on stage. It works with standard US 5/8-inch mic stands and is compatible with the Moog Etherwave Standard and Etherwave Plus. Get a set for each of your theremins. Add an MHD-4 adapter (above) to use it with a Theremini or European-designed theremins. Go to Zzounds for more details, availability, and current price.

Moog Etherwave Theremin SR Case




The Moog SR Series Etherwave Case is here to safeguard your 2022 Moog Etherwave Theremin where you need it most and ensure your sound travels far and wide. Musicians report the most important performance a case can offer is protection from impact and protection from water -- in that order. With that in mind, Moog has developed Moog SR Series Cases to be the first line of defense for your instrument. Go to Zzounds for more details, availability, and current price.

Note: This case is designed specifically for the 2022 Etherwave. Older Moog Music and Big Briar Etherwave theremins do not fit properly. 


This grounded 12V DC power supply is meant to be a factory replacement for the Moog Theremini. But it also works with the Moog Claravox Centennial theremin, the 2022 Moog Etherwave, Subscope theremins, Burn theremins, and the Stylophone S-2 and GEN R-8 portable synthesizers. (Use at your own risk with off-label products.) It has a 3-prong plug for use with North American wall outlets. Go to Zzounds for more details, availability, and current price. 






Is your theremin just too darn loud for your amplifier? This handy attenuator can help. Plug this into the signal path between your theremin and amplifier, or in the effects loop of your amplifier if it has one. Then turn the knob to adjust the volume before the signal gets to the power section of your amplifier. This passive attenuator was not designed for theremins, but it does work with a little knob tweaking to find the right level.  Try it on a Moog Etherwave or a GaudiLabs Open Theremin to tame the loud output signal. Go to Zzounds for more details, availability, and current price. 



Hosa USQ-110 Tracklink USB Interface


Here is a simple way to connect your theremin's audio output to your computer for recording in your DAW. The analog-to-digital interface is built inside. This convenient 10-foot cable works with guitars, effects pedals, and keyboards, too. 

As with any analog-to-digital converter, this cable may introduce noticeable latency. So it is best to monitor your live performance from your theremin's headphone jack instead of your computer speakers.  Or you can connect your theremin to an analog mixer, then route the audio to an amplified speaker and your computer's USB input at the same time. Go to Zzounds for more details, availability, and current price.



Korg Pitchblack Advance tuner pedal





Although designed for electric guitars, the Korg Pitchblack can work with theremins, too. It connects to the tuner output of the Moog Claravox Centennial and provides a continuous readout of the pitch, even while the instrument is muted. It should work similarly with other theremins that have a pitch preview output. The large and bright display makes it easy to see on the stage floor.

If you have a theremin without pitch preview, you can place the Korg Pitchblack Advance between your main audio line output and your amplifier. It will mute the signal to your amplifier while the tuner is active. So you can silently find your starting pitch, then step on the switch to unmute the audio signal before you start playing. Go to Zzounds for more details, availability, and current price.


On-Stage GTA7000 Tuner/Metronome



This compact device combines a chromatic tuner with a metronome and a pitch pipe reference tone generator. It is small enough to fit in your pocket or sit on the top of your theremin. The line input jack can be connected to the tuner output of the Moog Claravox or to the pitch preview output of other theremins. The GTA7000 is an essential practice tool for developing precise pitch and tempo. Go to Zzounds for more details, availability, and current price.



This passive expression pedal allows you to sweep the low pass filter of the Moog Claravox Centennial while you play, or change other patch parameters with a tilt of your foot. It also works with synthesizers and guitar effects pedals that have expression inputs. Cool! [You will need the Claravox editor software app for iOS or Mac to make full use of this product.] Go to Zzounds for more details, availability, and current price.




Make your theremin even more dynamically expressive with this passive volume pedal designed to handle the loud signal of a theremin, keyboard, or effects unit. Control the volume of a two-antenna theremin with both your hand and your foot, or add volume control to a pitch-only theremin.  And when your amp is out of reach, you can use your foot to remotely adjust the overall volume. Stereo inputs and outputs allow you to preserve the expansiveness of a stereo delay or other kinds of dual-channel effects pedals connected to the output of your theremin. Go to Zzounds for more details, availability, and current price.

On-Stage Universal Sustain Pedal




Mute and unmute the main audio output of your Moog Claravox Centennial or your 2022 Etherwave theremin with this elegant, piano-style pedal.

Claravox Centennial - With the Claravox editor app, you can change the pedal's behavior between "latching" and "momentary." In latching mode, a tap on the pedal will either mute or unmute the instrument. In latching mode, holding the pedal down will either mute or unmute the instrument as long as the pedal is pressed. The behavior in momentary mode is set with a polarity switch on the pedal to either "normally open" or "normally closed." The choice is yours. 

2022 Etherwave - This pedal acts as a momentary or non-latching switch. Depending on the polarity setting, pressing the pedal will either mute or unmute the instrument. The mute switch on the Etherwave front panel takes precedence. So, in practical use, at the end of a performance, you might temporarily mute the instrument with the pedal, then activate the mute switch on the instrument and remove your foot from the pedal. 

Go to Zzounds for more details, availability, and current price.


Yamaha FC5 Footswitch-Style Sustain Pedal




Mute and unmute the main audio output of your Moog Claravox Centennial or your 2022 Etherwave theremin with this compact footswitch.

Claravox Centennial - With the Claravox editor app, you can change the pedal's behavior between "latching" and "momentary." In latching mode, a tap on the pedal will either mute or unmute the instrument. In latching mode, holding the pedal down will either mute or unmute the instrument as long as the pedal is pressed. The behavior in momentary mode is set with a polarity switch on the pedal to either "normally open" or "normally closed." The choice is yours. 

2022 Etherwave - This pedal acts as a momentary or non-latching switch. Depending on the polarity setting, pressing the pedal will either mute or unmute the instrument. The mute switch on the Etherwave front panel takes precedence. So, in practical use, at the end of a performance, you might mute the instrument with the pedal, then activate the mute switch on the instrument and remove your foot from the pedal. 

Go to Zzounds for more details, availability, and current price.

Fender 1-Button Footswitch



Mute and unmute the 2022 Etherwave theremin with this latching footswitch with a super-long 12ft cable.

Go to Zzounds for more details, availability, and current price.