JBL Aquarius

Name: JBL Aquarius
Brand: JBL

The JBL Aquarius line is one of the more unusual entries in the company's catalog. It is a family of loudspeakers built around a 360-degree radial design, with drivers mounted on a curved surface so the sound radiates in all directions instead of firing straight at the listener. JBL's own launch advertising leaned into this hard, describing the Aquarius as something you place "like a painting or a print or vase," with all the engineering hidden inside. High Fidelity (November 1970, p.69) ran the same campaign copy, which promised that "sound has broken free" and could "start anywhere, end anywhere."

The collection had three models: the Aquarius I, Aquarius II, and Aquarius IV. The Aquarius IV was the floor-standing flagship, the Aquarius II was a bookshelf model, and the Aquarius I was a smaller version of the II. All three were two-way designs with the same drivers - a 4-inch high-frequency driver and an 8-inch full-range driver - and crossovers at 3500 Hz. The Aquarius IV carried an 8-ohm impedance. Past those basics, the record is thin. No production years, original prices, dimensions, or frequency response figures have turned up in the available documentation.

What survives in the way of real-world reception comes from owner reports. An Audiokarma thread from someone who has owned both the IV and II calls them "excellent speakers," and another long-term owner reports having had his Aquarius IVs for about 25 years with them still sounding great. The same thread also notes the expected trade-off of the omni-directional design: imaging is less precise than with conventional forward-firing speakers — a fair summary of what you're signing up for with a 360-degree radiator.

Type: Two-way, 360-degree radial design
Drivers (I, II, IV): 4" high-frequency driver, 8" full-range driver
Crossover: 3500 Hz
Aquarius IV: floor-standing, 8 ohms
Aquarius II: bookshelf
Aquarius I: smaller version of the II

No production years, original pricing, or detailed specifications for the individual models have been documented. What's known comes largely from a single heritage summary and owner accounts.