When Fender-Rhodes released the Chroma Polaris in 1984, they were betting that analog synthesis didn't need to be complicated to be powerful, and the results proved them right. This was the spiritual successor to the original Rhodes Chroma, carrying forward that lineage while stripping away some of the complexity that made its predecessor intimidating for working musicians.
The Polaris packs six voices of analog sound, each built around two voltage-controlled oscillators that can produce sawtooth and pulse waves with variable pulse width modulation. The signal path flows through a four-pole lowpass filter with resonance control, envelope modulation, and keyboard tracking, then into a voltage-controlled amplifier shaped by software-generated ADSR envelopes. Six LFOs running in software give you sine or square modulation sources, and there's a ring modulator onboard for adding metallic textures to otherwise straightforward tones. The 64-key keyboard is velocity sensitive, and you can route that velocity data to either the filter envelope, the amplifier envelope, or both. All 132 sound patches live in memory, and a simple real-time sequencer lets you record and play back up to 12 sequences without editing capabilities.
The control layout is where the Polaris really shines. Instead of drowning you in knobs, it uses a combination of membrane switches and high-resolution faders arranged in a clean, logical layout inspired by Roland's Juno series. There's a dedicated sweep knob for morphing through LFO or filter parameters in real time, and both the mod and pitch levers are programmable per patch. The whole thing weighs 19 kilograms and sits in a solid steel chassis with elegant curved wooden side panels. Complete MIDI implementation means you can control every parameter from external gear, and the synth can layer up to three patches simultaneously for deeper textures.
The Polaris earned respect from electronic producers and live performers alike for its warm, characterful analog sound that carries a hint of that classic ARP DNA. It's rare to find one today, which tells you something about how well they've held up and how much people valued them once they got their hands on one.
