Behringer POLY D Analog 4-Voice Polyphonic Synthesizer with 37 Full-Size Keys, 4 VCOs, Classic Ladder Filter, LFO, BBD Stereo Chorus, Distortion, 32-Step Sequencer and Arpeggiator
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Features
- Analog synthesizer with quadruple vco design allows for insanely fat music creation
- 4-Voice polyphonic/paraphonic design with mono, unison and polyphonic Mode
- 37 semi-weighted full-size keys featuring velocity functionality
- Authentic reproduction of original "D Type" Circuitry with matched transistors and jfets
- Ultra-high precision 0.1% thin film resistors and polyphenyline sulphide capacitors
Description
Analog synthesizer with quadruple VCO design allows for insanely fat music creation.
Color: Black
Brand: Behringer
Material: Metal Plastic
Model Name: POLY D
Item dimensions L x W x H: 3.94 x 3.94 x 3.94 inches
Item Weight: 26.1 Pounds
Body Material: Metal and Plastic
Included Components: Analog 4-Voice Polyphonic Synt
Finish Type: Painted
Manufacturer: Music Tribe US
Global Trade Identification Number: 49
Item Weight: 26.1 pounds
Product Dimensions: 3.94 x 3.94 x 3.94 inches
Item model number: POLY D
Is Discontinued By Manufacturer: No
Date First Available: December 5, 2019
Color Name: Black
Connector Type: [MIXED]
Item Styling: Classic
Material Type: Metal Plastic
Number of Keyboard Keys: 37
Size: 37-Key
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Top Amazon Reviews
I have been playing synthesizers and other instruments for several decades now and I grew up in the early days of Moog, when they were the original standard for synthesizers. This is, in short, loyal to the legacy of its design, and yet updated for a more modern era. It has a great build quality, excellent sound, and... the price is more than reasonable. If you already are conversant with synthesizers, then my review is pretty simple... This is essentially a modern version of the Mini Moog and comes extremely close to replicating the sounds and behaviors of that celebrated instrument. Unlike the Moog Voyager and other Moog evolutions of the Mini Moog (Sub 37, et al), Behringer elected to stick to the legacy Mini Moog design and layout. It does have a few welcome extras in its design, namely a built in sequencer/arpeggiator, a fourth oscillator (that can also be a secondary LFO), an adjustable keyboard after pressure, and, of course, MIDI and USB connections. It works quite well, the keyboard action is very comfortable, and the knobs and switches have a very satisfying heft to their action. The paraphonic polyphony is exactly what I would expect in this type of synthesizer, although with a quite a bit more flexibility that what I had in the early 1980s with paraphonic synthesizers. I knew what the polyphony of this synthesizer was going into this and I was not disappointed. Some people really want true polyphonic Mini Moog, and I suppose that would be neat, but you would have to have some way to independently trigger and envelope each oscillator output and... well, at that point you might as well look at something else designed in that fashion like the DeepMind, because it will not be a Mini Moog anymore. In any case, I find the paraphonic Poly D quite usable and it gives some abilities to create some beautiful sound and chord structures. It is worth noting that you can configure some elements of the Poly D through an app interface on your phone or tablet. These would include things like high/low/last note priority on the keyboard, MIDI configurations, and some other items. This is very handy and is quite easy to use. Having said that, to just play this thing, all you need is a place to plug it in to the wall and either some headphones or a keyboard amp (I use an old Roland KC-60 that I have had for a long time). I have not tried using this with my DAW or other software, yet, but if its MIDI and software interfaces follow the other Behringer designs (which it does, except for poly-chaining, as I understand), it should be a pretty straightforward process. I have a couple of Neutrons and a Crave and they all seem to work well with my Apple based environment. But, having said that, I have not tried the Poly D with it yet. The sequencer is a nice feature and quite easy to use. It has a lot of flexibility in terms of what you can sequence, and yes, it can sequence in polyphony. Thus, if you record a chord to a sequence in poly mode, that chord will be part of the sequence. You can also ratchet a sequence and add swing rates, plus some basic editing of the patterns. My understanding is that you can synchronize this through MIDI, but I have not tried that yet, obviously. This is essentially the same sequencer you will find on other Behringer products (including my Crave). The filters have a good set of ranges and do their job. The adjustments are nice in that I can put just a subtle curve in a filter envelope to add just the right level of color to a tone. When you are trying to finesse the tone and its articulation for voicing purposes, the ability to make subtle and accurate changes is important, and this is where the control panel and the filter circuit design (as well as the envelope generator) work well. I have not used the distortion tool set much yet, but it seems to work. It is not something that I will likely use much in my music (I tend to focus on more discrete classical music realizations as opposed to ambient sound mixtures, thus I am looking more for patch designs that can be incorporated into a music score. Having said that, I still like to use interesting colorings and sound contours to add expression, similar to what Tomita did in the 1970s). The Poly D has both a Chorus I and Chorus II button. I love this stereo chorus feature and while it is not something I would use all of the time, it can be great one button trick to add some meat to, say an uplifting chorus of a piece (like one would do with a Hammond Leslie). One caveat, do not try to use both buttons at once. It creates a terrifically bad phase interference. The Poly D has multiple inputs and outputs for processing external sound and triggers. Some caveats - Like all analogue circuits of these types, you need to let this warm up before you tune and play. 10-15 minutes and you should be good. - My Poly D scaled pretty well after it warmed up (in other words, the octaves were all in tune with each other and reasonably well tempered). If the tempering does not settle down after it is warmed up, you can adjust and calibrate the tuning across the octaves from some back side controls (potentiometers). This is not difficult but it can be a bit tedious and you must use the right tools and not be hamfisted so as to break the internal mechanisms. Be gentle and patient here if you need to do this. - If you are wanting a system where you can cross patch between modules, this is not your system. Connections between modules are fixed along with the processing flow. You can connect and disconnect modules through switches, but not how they connect. So, for example, if you wanted to somehow connect the LFO to say, trigger the chorus, it will not happen here. - There is no sample and hold. Of course, this was not native to the original Mini Moog, but it would have been a nice addition. - Like the original Mini Moog, there are no presets or a capability to save a patch setting. This is all knobs and switches. - You can hook an external keyboard to the Poly D through its MIDI connector. However, and this may depend upon the keyboard and connection, you may not be able to control such things as the starting note of a sequencer controlled pattern from the external keyboard. You will still have to use the built in keyboard for that. Not a big deal, really, but something of which to be aware. - While you cannot poly-chain to another Behringer synthesizer, you can send a MIDI through connection for the same keyboard signal to another synthesizer (I have done this with my Neutrons). This is a good instrument, especially if you were wanting a Mini Moog and could not afford the high prices. It is not a compromise at all to get this rig. I am having a lot of fun with it and it is nice to be able to quickly dial in a patch and just play with the sounds and music very easily without thinking through the patches and patch cords.
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Reviewed in the United States on January 13, 2023 by David Moody
I have owned a Model D and all kinds of synths since the mid 70's and this thing Rocks! And I will make this perfectly clear, the keybed SUCKS!!! But it isn't a deal breaker. I would still give it 10 Stars! For $500, on sale, you are getting the SOUND of a genuine Moog Model D. Before I even turned it on I dialed in my Favorite settings, can't really call it a patch. Turned it on, took a few seconds to get the volume up, and to my ears I heard instant PERFECTION! I could not do a side by side comparison because my '78 Model D dunt works no more, contact issues with age and use. More valuable if I don't fix it. This Poly D is a perfect replacement at one tenth the cost. The read D reissues start at $5000 and up. I can't justify that. But I don't need a side by side. This thing is 100% there. While i hate the keybed, I can work with it. Even if these go up in price, what isn't? I would buy again in a heartbeat. I Love it that much. Sweetwater is always awesome, fixing to order from them again. If you understand what an Old School mono lead synth is, the POly D will Not disappoint.
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Reviewed in the United States on August 4, 2025 by William
Quick shipping, no issues with keyboard and this thing is a beast! So many sounds and it’s solid. Very heavy and quality knobs. This thing will last a lifetime
Reviewed in the United States on November 9, 2024 by Joseph
Hello: I'm a semi-pro keyboard player with 45 years experience and my first keyboard was a Yamaha CP30 in 1976. I pretty much have every keyboard I've ever owned and the keyboard farm exceeds 45 keyboards currently. I received the Poly D in a timely manner and when I set it up in the studio, the first issue was a broken knob on Oscillator 1 Range. The inside of the knob had a broken piece of plastic that secures the knob on the flat portion of the rotary switch, so it would only turn the switch in one direction. Turning the other direction, the knob would just spin. I continued on with power up and started creating some patches to see how she sounds and after playing for a while, I noticed the B2 key would sometimes not fully return, but it was intermittent on the full return (see photo). At this point, I opened up a support ticket with Behringer and they replied back the next day and advised I send this back to Amazon for a replacement, which I did and a new one is now on the way as of today. So, here's my first impressions: 1. There appears to be a quality control issue with Behringer, but I have several other Behringer pieces and all have worked well with very good build quality. I don't see how this broken knob was not caught in QC or inspection. The sticky key is most likely a function of the crappy keybed. Yeah, I'm gonna harp on that keybed more... 2. The keybed is pretty bad, even if this B2 key was not sticking. It's cheap, mushy and really sensitive. It feels like you could breath on a key and it would trigger. I'd pay more for a decent Fatar keybed, like $100's more because of the next point. 3. The synth itself sounds amazing. I've owned a Minimoog and I currently own a Moog One. The Poly D is dead on to the Minimoog. If I still had my old Minimoog, I'd run a comparison, but I've been around Moog gear long enough to know what sounds Moogish and what sounds like a digital recreation (and if I still had my Minimoog, I wouldn't be writing this review!). 4. This thing could easily blow out your studio monitors, so be careful. It puts out some serious voltage. 5. You can't beat this thing for the money, it's about as accurate a re-issue of the classic Minimoog I've ever heard and I have two Behringer Model D's, but this thing is different IMHO. With used Minimoog's going for $6000 or more, this is a no brainer. There's only two keyboards out there that I'd second mortgage the farm for and a Minimoog is not one of them (one starts with Jupiter and the other starts with CS). 6. I'd buy this again w/out hesitation because it just sounds so good. If you're considering one, go for it. I only deducted one star for the crappy keybed. The defects will be fixed by a replacement (fingers crossed). I hope this helps somebody decide to buy this thing because it's really worth it. The sound is Sonic Integrity. Rock on, party on Wayne.
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Reviewed in the United States on May 17, 2021 by Captain Willard Captain Willard