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MOOG Spectravox Semi-Modular Analog Spectral Processor with CV Filter Bank/Vocoder, Voltage-Controlled Oscillator, Headphone Out and 3.5mm Patch Bay
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Purchase options and add-ons
- Bring Your Sound to Life - Expand the sonic possibilities in your studio with the powerful semi-modular analog spectral processor that creates lively drones and colorful tonal sweeps on its own
- Analog Vocoding - Bring external sound in with an XLR + 1/4" Combo TS Jack and through the preamplifier and use Spectravox's 10 bands for analog vocoding and tonal shaping
- Reshape The Sounds You Love - Transform your favourite sounds with the 10 lush filters of the Resonant Filter Bank, each with individual level control
- Innovative Design - Use the Spectral Shift to move all ten filters up and down the audible spectrum and modulate it with the built-in LFO with rate and amount of shifting controls
- Uniquely Sculptable Synthesizer - The fully equipped Moog oscillator and white-noise generator turns Spectravox into a standalone synthesizer voice
- Flexible Sound Shaping Tool - With its extensive patch bay featuring 36 CV patch points, you can combine Spectravox with other Moog semi-modular instruments or insert into any Eurorack setup
- Package Contents - Spectravox Semi-Modular Analog, Spectral Processor, Power Supply, Patch Sheet Overlays, Patch Cables, Registration Card, Quickstart Guide, Safety and Warranty Manual
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Product information
Item Weight | 3.31 pounds |
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Product Dimensions | 5.64 x 12.84 x 4.2 inches |
Country of Origin | Taiwan |
ASIN | B0D1H1RJ28 |
Item model number | SPECTRAVOX |
Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #7,656 in Musical Instruments (See Top 100 in Musical Instruments) #259 in Synthesizer & Workstation Keyboards #377 in Recording Signal Processors |
Date First Available | May 15, 2024 |
Body Material | Plastic or wood material |
Color Name | black |
Connector Type | XLR + 1/4” Combo TS Jack |
Warranty & Support
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MOOG Spectravox Semi-Modular Analog Spectral Processor with CV Filter Bank/Vocoder, Voltage-Controlled Oscillator, Headphone Out and 3.5mm Patch Bay
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Product Description
A groundbreaking tool for sculpting sound! Spectravox is an analog spectral processor based around a 10-band filter bank that creates lively drones and colorful tonal sweeps on its own and adds resonant depth and psychedelic spectral movement to any external sound. Hook up a microphone, and Spectravox becomes a 10-band analog vocoder with innovative integrated modulation of all of its filters. An exploration and expansion of the topology of the vocoder and filter bank, Spectravox is a highly flexible instrument and signal processor with a comprehensive patch bay for integration into studios of all sizes.
Spectravox is a fascinating standalone sculptable synth voice thanks to its built-in carrier sound source of a thick analog Moog oscillator and white noise generator. With its combo XLR/jack program input, Spectravox becomes a fully featured 10-band vocoder with a secondary filter bank for analyzing the spectral makeup of incoming sounds. In VOCODER mode, its 10 analysis filters map the timbral characteristics of any external sound onto any other sound you can imagine. Shape the warm analog oscillator of Spectravox with the dynamics of your voice, or use a drum machine to animate guitar chords in a mesmerizing broadband percussive space.
From the manufacturer

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Resonant Filter Bank
A 10-band analog filter bank with added resonance, inspired by the 1960's Moog 907 module, creates lush vowel tones and multicolored timbral animation with hands-on frequency band level control.
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Spectral Shift
Shift all 10 filters across the frequency spectrum and modulate with internal triangle-wave LFO or external CV.
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Carrier Section
Switchable Sawtooth/Pulse Voltage-Controlled Oscillator (VCO) with Pulse Width Modulation (PWM) and a white noise generator make Spectravox a unique synthesizer on its own with a sculptable spectrum.
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Analog Vocoder
A 10-band analysis filter bank encodes any input sound with 10 envelope followers, allowing you to shape any sound with your voice.
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Program Section
With its XLR + 1/4" TS combo jack and preamplifier, Spectravox becomes a fully featured 10-band vocoder with a secondary filter bank for analyzing the spectral makeup of incoming sounds.
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Patch Bay
A highly flexible instrument and signal processor that has a comprehensive patch bay for integration into studios of all sizes and with voltage-control over nearly every parameter.

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Enter Moog's Magical World
Featuring Mother-32, DFAM, Subharmonicon, Spectravox, and Labyrinth - 60HP semi-modular analog synths for immersive sonic wanderings, endless sound exploration and vibrant synthesis possibilities.
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Mother-32
An intuitive and expandable semi-modular synthesizer that adds a distinct raw analog sound, powerful sequencing, and extensive interconnectivity to any creative, electronic or modular ecosystem.
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Subharmonicon
An intensely creative semi-modular analog polyrhythmic synthesizer that uses mathematical ratios to tune its four subharmonic oscillators, and to control the timing of its four rhythm generators.
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DFAM
Drummer From Another Mother (DFAM) is a highly-interactive, semi-modular analog percussion synthesizer and a vibrant deviation from the traditional drum machine.
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Labyrinth
An adventurous instrument designed for immersive exploration and sonic wanderings, Labyrinth shines when adding color to the steady backdrop of a drum pattern or a bassline.
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MSS Accessory Kit
Mount any combination of Mother-32, DFAM, Subharmonicon, Spectravox, and Labyrinth semi-modular synths together vertically for maximum modularity and synthesis possibilities.
Power | 100-240VAC; Wall adapter; Barrel connection; Center-pin positive |
Patchbay | 36 x 3.5mm; 19 Input Jacks; 17 Output Jacks |
Eurorack Specs | 450mA (max) from +12VDC (10-pin header); 60HP (1.5” Module Depth) |
Sound Sources | Sawtooth/Pulse VCO with Pulse-Width Modulation, White Noise Generator |
Synthesis Filter Bank | 10 variable resonance voltage-controlled filters: 1 Lowpass Filter, 8 Bandpass Filters, 1 Highpass Filter |
Program Inputs | Ext. Input via XLR/6.3mm combo jack or 3.5mm jack with preamplifier |
Analysis Filter Bank | 10 fixed filters: 1 Lowpass Filter, 8 Bandpass Filters, 1 Highpass Filter with envelope followers on each band |
Spectral Shift | Joint frequency control over all 10 filters in Synthesis Filter Bank |
Modulation | Triangle-wave LFO with rate and amount controls |
VCA/Envelope | VCA controlled by decay-only envelope |
Vocoding Controls | Hiss/Buzz to balance sibilance, Sample-and-hold to capture vowel sounds |
Connections | 1⁄4” TRS Headphone or 1⁄4” TS Instrument, Power Supply and Kensington Lock slot |
Dimensions (WxDxH) | 12.57” x 4.21” x 5.24” / 31.92 x 10.69 x 13.30 cm |
Weight | 3.5 lbs / 1.59 kg |
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Is Spectravox compatible with Eurorack?
Yes, Spectravox is designed to function as either an independant instrument or a Eurorack module in 60HP.
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How many patch cables come with Spectravox?
Spectravox comes with a pack of 5 3.5mm patch cables.
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What accessories come with Spectravox?
Spectravox comes with a pack of 3.5mm patch cables, 5 patch sheet overlays, and a power supply.
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Does Spectravox work with other Moog products?
Spectravox integrates with all Moog semi-modular instruments (Mother-32, DFAM, Subharmonicon, Mavis, Grandmother, and Matriarch).
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How much current does Spectravox draw?
Spectravox draws a maximum of 450mA from the +12V rail of a Eurorack power supply.
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers appreciate the musical instruments for their sound quality, rhythms, and subharmonics. They find the products cool, wonderful, and excellent. The sounds are described as amazing, standalone monophonic synths, analog percussion synths, and simple beats. Some customers are happy that more synths are being released.
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Customers appreciate the quality of the product. They find it unique and analog-rich, with interesting sounds and rhythms. While expensive, they consider it worth the cost.
"Finally got my hands on a DFAM, the sounds you can create are just so unique and analog rich, the versatility is unlimited...." Read more
"Very inspiring! I never heard any synth do what this thing does. Time flies tweaking those knobs. Not for everyone, although — very techno heavy IMO." Read more
"This thing is wild. It will take you places musically that you wouldn’t have gone otherwise. This is a generative music machine...." Read more
"A great noodle machine!" Read more
Customers appreciate the sound quality of the musical instruments. They find the sounds great, the synths good as standalone monophonic synths, and the analog percussion synth that gives you simple beats. The unique approach to generating tones and rhythms with subharmonics is refreshing, and the instruments take them musically into new places they wouldn't have gone.
"This thing is wild. It will take you places musically that you wouldn’t have gone otherwise. This is a generative music machine...." Read more
"The unique approach to generating tones and rhythms with subharmonics is refreshing...." Read more
"...Mother 32 and DFAM semi modular synths and they are good as standalone monophonic synths (each with special characteristics and character) but are..." Read more
"...I've made so pretty cool, yet very simple beats with this synth. The jumper wires give it a nice range of sound as well...." Read more
Customers enjoy the rhythm. They find generating tones and rhythms with subharmonics refreshing, and they are happy that more synths are being released.
"I'm happy that they are releasing more synths...." Read more
"The unique approach to generating tones and rhythms with subharmonics is refreshing...." Read more
"Dynamic 8 stepper with personality - perfect for idiosyncratic rhythm section..." Read more
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Top reviews from the United States
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- Reviewed in the United States on March 21, 2023Style: DFAMVerified PurchaseFinally got my hands on a DFAM, the sounds you can create are just so unique and analog rich, the versatility is unlimited. although I do recommend googling and buying a MAFD by sonoclast so you can hook up midi controller and record in DAW with ease. definitely not a cheap piece of gear but the quality you get with MOOG is unbeatable.
Also big up to the seller Austin Bazaar! great service
- Reviewed in the United States on March 18, 2025Style: DFAMVerified PurchaseVery inspiring! I never heard any synth do what this thing does. Time flies tweaking those knobs. Not for everyone, although — very techno heavy IMO.
- Reviewed in the United States on May 27, 2024Style: SpectravoxVerified PurchaseI'm happy that they are releasing more synths. It's disappointing they are no longer assembled in the USA but 600 bucks for a filter bank/ vocoder thing is a ton of money for a module w a voice...so I'm sure if they made it here who knows what they would have to charge I guess...idk. I really hope the Labyrinth synth comes out quickly.....I like weird things but I can understand this may not be for everyone. Simply it's good for somebody that has a ton of other things like me, but I would not want this to be my only instrument. It would be awful.
I'm happy that they are releasing more synths. It's disappointing they are no longer assembled in the USA but 600 bucks for a filter bank/ vocoder thing is a ton of money for a module w a voice...so I'm sure if they made it here who knows what they would have to charge I guess...idk. I really hope the Labyrinth synth comes out quickly.....I like weird things but I can understand this may not be for everyone. Simply it's good for somebody that has a ton of other things like me, but I would not want this to be my only instrument. It would be awful.
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- Reviewed in the United States on May 1, 2024Style: SubharmoniconVerified PurchaseThis thing is wild. It will take you places musically that you wouldn’t have gone otherwise. This is a generative music machine. My only complaint is that it needs better MIDI in and out.
- Reviewed in the United States on September 22, 2023Style: DFAMVerified PurchaseA great noodle machine!
- Reviewed in the United States on January 29, 2020Style: DFAMVerified PurchaseThis is an unique piece of kit. If you are a sound designer / groovester, this is as must have. Its not a synth, not a drum box... but at the same time , it is both. Watch youtube vids of the sound, and you'll b see why. This is one purchase I'll never regret, not get rid of. More manufacturers should stop trying to recreate old things, and do it all workstations, and let us hand things like the DFAM.
- Reviewed in the United States on October 27, 2020Style: SubharmoniconVerified PurchaseThe unique approach to generating tones and rhythms with subharmonics is refreshing. It might not be for everyone, but it’s very inspiring and fun to play with.
- Reviewed in the United States on May 17, 2024Style: SpectravoxVerified PurchaseIt was a little jarring to see the “MADE IN TAIWAN” label on the back and no reference made to Asheville at all. Maybe Apple has the exclusive rights to the phrase “Designed by… Made in…”? But there’s no point in complaining about the country of origin; of course this is the cost of globalization. This should mean more Moogs in the hands of people who want them. But one would think the new-and-improved manufacturing process would have some effect over the price. I think the asking price is a little extreme if you want to compare it with other mass-produced noise-making toys.
The concept of the Spectravox is very interesting. The overall design is truly unique. Having all those envelope followers, a filter bank, myriad patching options…I mean seriously, go watch the videos on this thing and you’ll have a hard time not wanting one of your own to play with!
But it certainly has its downfalls. And most of these are related to the price and the value that I’ve come to expect from Moog.
First: Where’s the freaking manual?!? It doesn’t ship with the usual black-bound, attractive Moog-branded manual. It comes with a quick start guide (and, of course, a sticker…and five 30cm patch cables) but the manual is only available for download on Moog’s website. Print it out yourself, I guess?
There’s no onboard sequencer. There’s also no MIDI input. But there’s only so many options you can cram into 60hp for $600. If you’re buying this, you’re probably already pretty deep into volt-per-octave and gate CVs. But it doesn’t really exist as a standalone instrument unless you enjoy playing a pitch knob like a theremin.
It has Moog’s desktop skiff typical square/sine oscillator with PWM. I always keep my fingers crossed for a second oscillator and sync option or variable wave shape, but there’s only so many options you can cram into 60hp for $600.
The decay envelope seems like kind of a corner-cutting feature, but there’s only so many options you can cram into 60hp for $600.
As vocoders go, this thing is very basic. If you’re trying to synthesize speech, there’s way better options that’ll yield way better results. But paired with a drum machine (or a DFAM) and this thing can actually do some fun stuff in vocoder mode.
I’m disappointed that the filter frequencies are not printed on the panel and instead are just numbered 1-10.
I’ll touch again on this thing not being a standalone instrument. Yeah, out of the box you can make weird and cool sounds with it. But unlike pretty much every other offering that Moog has released, the Spectravox would be sort of disappointing if it was your FIRST Moog. The onboard oscillator is what allows it to be considered an “instrument” rather than a “module”, and it’s easy to get pulled into the what-if game. (“What if this thing wasn’t larping as a standalone synthesizer and instead was an impeccably-designed 60hp filter bank on steroids? That’d be so awesome…”)
It plays well with others. But Moog hasn’t given us the usual playbook of patching ideas that’s been so endemic to the previous Sound Studio releases. Maybe this is a good thing and it makes you experiment harder? Maybe this thing was rushed to market?
It’s hard to totally hate the Spectravox. But it seems like it’s trying to do too much and ends up being mediocre at most of its endeavors. I guess there’s only so many options you can cram into 60hp for $600.
Top reviews from other countries
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JavierReviewed in Mexico on January 18, 2025
5.0 out of 5 stars Lo mejor
Style: SubharmoniconVerified PurchaseLo mejor
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AbimaelReviewed in Mexico on July 4, 2023
5.0 out of 5 stars Adictivo con gran sonido
Style: DFAMVerified PurchaseLo califico con 5 estrellas xq lo q hace lo hace excelente! Genera baterías, lineas d bajo y efectos bien diferenciados del mother -32 o subharmonicon. Aun el Edge de Behringer q hace lo mismo no tiene el encanto del DFAM, lo cual es solo opinion personal por su tamaño, estética y cariño a moog.
- RobReviewed in the United Kingdom on December 8, 2024
4.0 out of 5 stars Sturdy and useful, but expensive for what it is...
Style: Three-Tier RackVerified PurchaseReally easy to assemble and create your Moog Studio 3, the power junction box is also super useful to save plug space... However, I do have a few things to whinge about.
The stand itself isn't that chunky, which is probably a good thing as you don't want it too heavy. But I am struggling to see why it's priced so high. I get that the brand is premium and I love the synths, but I'm convinced you could get a nicer stand for less price on Etsy.
The cables that come with it are cheap and aren't shielded... I also suspect that the audio quality from the junction box might be a little suspect and eventually I'll only use it for power. If you try to tuck all the cables under and around the back you just get a tonne of noise... All off to the side it's fine.
I'm going to keep it as I've (finally) managed to assemble a studio and I've wanted one for a while, but I can see eventually moving to something else.
If I got another synth or two to complement - I'll be going to Etsy instead.
RobSturdy and useful, but expensive for what it is...
Reviewed in the United Kingdom on December 8, 2024
The stand itself isn't that chunky, which is probably a good thing as you don't want it too heavy. But I am struggling to see why it's priced so high. I get that the brand is premium and I love the synths, but I'm convinced you could get a nicer stand for less price on Etsy.
The cables that come with it are cheap and aren't shielded... I also suspect that the audio quality from the junction box might be a little suspect and eventually I'll only use it for power. If you try to tuck all the cables under and around the back you just get a tonne of noise... All off to the side it's fine.
I'm going to keep it as I've (finally) managed to assemble a studio and I've wanted one for a while, but I can see eventually moving to something else.
If I got another synth or two to complement - I'll be going to Etsy instead.
Images in this review
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Elektronik Bastl WastlReviewed in Germany on October 28, 2024
5.0 out of 5 stars stabil und perfekt aufzubauen
Style: Three-Tier RackVerified PurchaseTrotz einiger Hinweise, dieses Stativ wäre nicht so stabil muss ich sagen dass es perfekt und wackelfrei steht. Die Montage ist innovativ und intelligent gemacht: Man kann / muss die Holz-Seitenteile der Synthesizer nicht nur dranlassen, man muss auch nur auf jeder Seite 2 der 4 Schrauben lösen. Dadurch verschiebt sich nichts und die Montage läuft im Handumdrehen. Dieses Original Moog Equipment passt perfekt und sieht stylisch aus. Für den einfachen Aufbau und den stabilen Stand gibt es bei mir die volle Punktzahl. Der mitgelieferte Strom- und Audioverteiler hat 4 Mono Eingänge oder zwei Stereo Eingänge (umschaltbar) und lässt sich ebenfalls einfach verbinden, da alle Kabel mit dabei sind.
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John KorbReviewed in Italy on May 14, 2024
5.0 out of 5 stars LO AMO
Style: DFAMVerified PurchaseE' stato il mio primo sintetizzatore e nonostante abbia una logica tutta sua (non ha LFO e inviluppi separati) è una macchina dannatamente divertente.
In pochi minuti si possono creare interessanti sequenze ritmiche (con suoni anche piuttosto scuri) ma non solo, si possono creare anche droni o musiche d'ambiente.
Credo che espandendolo con moduli LFO, inviluppi e riverberi possa diventare una macchina ancora più entusiasmante.
Peccato solo che non sia fornita di porte midi o usb ma questo non cambia il fatto che sia un vero e proprio gioiello.