Bozak AR-4
A modern take on the 1970s rotary mixer, built for DJs who want discrete analog circuitry with just enough modern flexibility to get through a club gig.
Overview
The Bozak AR-4 isn't a vintage unit pulled from a basement stockpile. It's a deliberate revival. Marketed as the "Bozak Ar-4 Desk Top Mixer," this compact rotary mixer follows Bozak's 1970s CMA-series consoles, particularly the architecture of the CMA-10. No production years are documented. The AR-4 is a contemporary reimagining, designed to echo the mechanical and sonic character of its ancestors while fitting into today's DJ workflows. It's a hybrid, blending original discrete circuit designs with updated functionality, and it's positioned as a working tool, not a museum piece. Owners report it needs no preamp or receiver in a DJ setup. It works as a standalone signal path with 4 inputs and 2 outputs. At over $2,100 new (listed at $2,140.51 on Reverb), it's not an impulse buy.
Key Features
Hybrid Design with CMA-10 Circuit Heritage
The AR-4 uses the best of the original Bozak CMA-10 discrete circuits, keeping the analog signal path that gave the brand its reputation for musical filtering. It isn't a digital emulation or a surface-mount reinterpretation. Each channel's gain structure and EQ are handled by discrete components. The "all new hybrid design" language used by retailers suggests some modernization, likely in power regulation or signal buffering, but the signal path stays analog and class-A where it counts. According to user impressions on YouTube, the result is a "significant sound signature." That phrase is subjective, but it points to a tonal presence that cuts through a mix without harshness.
3-Band Isolator per Channel
Each of the four channels has a 3-band isolator, the defining control set of classic rotary mixers. These are not shelving EQs. They are steep, switchable filters that let DJs drop out bass, mid, or treble during transitions, a technique essential to the New York house and disco styles Bozak helped power in the 1970s. The isolators are mechanical, worked by large, knurled knobs that offer tactile resistance and give precise control over cut points. The exact frequency centers aren't documented. Their behavior is inherited from the CMA-10's topology, known for musical crossover points that avoid phase smearing and keep punch when engaged.
4-Input, 2-Output Signal Path
The AR-4 keeps the signal flow simple. Four channels feed a stereo output bus, with no auxiliary sends, effects loops, or digital connectivity advertised. That minimalism is by design. It descends from the no-frills, high-headroom mixers built for reliability in mobile DJ rigs and small clubs. The input and output specifications are not detailed, so it's unclear whether connections are RCA, TRS, or XLR. The desktop form factor and DJ-centric marketing suggest unbalanced line-level inputs typical of turntables and CDJs. The 2-output configuration likely includes a main stereo out and possibly a cue/headphone mix, though this isn't confirmed in available documentation.
Historical Context
The AR-4 is a revival, not a continuation of a 1970s product line. It draws direct inspiration from the rotary mixers of that era, and official materials cite the "heritage taken from the mixers of the 70's." Bozak, historically known for high-efficiency loudspeakers and broadcast consoles, had a niche but influential presence in the early DJ world, where its mixers were prized for durability and clean gain staging. The AR-4 targets a new generation of DJs who like the analog era but still need a unit that won't fail mid-set. Its release coincides with a broader resurgence of interest in vintage-style rotary mixers, as seen in online discussions comparing it to the E&S DJR-400.
Collectibility & Value
Priced at $2,140.51 new, the AR-4 is a premium boutique product, not a mass-market tool. A Reverb listing for a "Used - Mint" unit suggests strong condition retention, though no resale prices or depreciation trends are documented. User sentiment, while limited, leans positive. One AudioKarma poster called it "very fun," and DJ David Morales was quoted on Facebook expressing serious interest, noting the sound and feel stood out among rotary mixers he's played. There are no reports of common failures, serviceability, or spare parts availability, so long-term ownership risks remain unclear.
eBay Listings
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