Eico HFS-8 (mid-1960s)
Fifty-four dollars bought an eight-inch two-way in an oiled walnut bass-reflex box tuned to 55 Hz. Eico threw it into its $445 kit package to make the arithmetic work.
Overview
The HFS-8 is the least glamorous piece in Eico's mid-1960s catalogue. That is exactly why it is one of the more interesting to find today. It's a two-way bookshelf loudspeaker: an 8" (20 cm) woofer crossed to a 2" cone tweeter, 8 ohms, in an oil-finished walnut bass-reflex cabinet. Eico sold it for $54.00 each, or as the speaker half of the "Classic Speed Kit" system - the Classic 2536 FM stereo receiver, the Classic 2400 tape recorder, and a pair of HFS-8s, bundled for $445. Eico's advertising in Audio (April 1964, p.13) pitched that complete kit against a comparable pre-built system costing up to $850. That kind of arithmetic moved a lot of Eico gear in 1964.
The HFS-8 is not a well-documented speaker, at least in the surviving record. A sensitivity figure and production dates beyond the "mid-1960s" era have not surfaced. A manufacturer document lists dimensions of 13" x 22" and a magazine review (HiFI-Stereo, 1964, p.114) lists a depth of 6⅛". One source gives a weight of 17 lbs and another gives 11 lbs. The power handling and frequency response numbers that circulate - 25 watts max, 50-15,000 Hz - come from a single source and should be treated as approximate. Anyone buying a pair should measure them and listen rather than trust the paper.
There's also a construction question the record doesn't settle. One source describes the enclosure as bass reflex. Another lists an 8" passive radiator among the components. Those aren't necessarily contradictory, since a passive radiator is a form of reflex loading, but the sources don't reconcile the detail. The cabinet's exact loading is unresolved. What is confirmed: the cabinet is walnut, and its resonance is tuned to match the woofer's own at 55 Hz.
Key Features
8" Woofer with Impregnated Cloth Suspension
The HFS-8's woofer is an 8" (20 cm) unit, and the detail worth knowing is the surround. It's impregnated cloth, which period documentation credits with reducing distortion by improving the linearity of the suspension's travel. Cloth surrounds of this type were common on American speakers of the era. They are a maintenance item today. They stiffen and eventually crack with age, and a pair that's been sitting in a garage for thirty years will likely need them replaced before the drivers can be trusted at volume. The 55 Hz cabinet tuning is designed to work with this woofer's own low resonance, extending usable bass an octave above the tuning point without letting the cone flop.
2" Cone Tweeter and a 4000-Cycle Crossover
A 2" cone tweeter handles the top end. It's not a dome and not a horn, just a small cone, which is what $54 bought in the mid-1960s. Cone tweeters of this size tend to be smooth and unfatiguing rather than extended, and the one owner testimonial the archive found describes that: smooth, non-fatiguing highs alongside a warm, full-bodied midrange. The manufacturer's document states a crossover frequency of approximately 4000 cycles. Whether the tweeter is crossed with a simple capacitor or something more elaborate is unknown.
Walnut Bass-Reflex Cabinet Tuned to 55 Hz
The cabinet is walnut, and the tuning is the interesting engineering. The enclosure resonance is set to match the woofer's own resonance at 55 Hz, which is how a small reflex box gets meaningful bass out of an 8" driver without booming. Whether the port is a ducted tube or a passive radiator is the unresolved question noted above. Either way the intent is the same: load the woofer so it produces less distortion in the octave above tuning. The same owner testimonial that praises the highs singles out "surprisingly good bass for their size."
Historical Context
The HFS-8 belongs to Eico's Classic series era, when the company was packaging its kit electronics into complete systems to compete with factory-built hi-fi. The Classic Speed Kit was the pitch: build the receiver and the tape deck yourself, take a pair of HFS-8s to go with them, and come in at roughly half what a comparable assembled system would cost. The HFS-8 was cheap enough to include in a $445 package.
Production ran through the mid-1960s; exact start and end years aren't documented. The speaker appears in Eico's catalogue alongside the 2536 receiver it was most often paired with, and it was sold separately as well as in the system package.
Collectibility & Value
The HFS-8 is not a collector's speaker in the sense that a horn-loaded Altec is. It's a budget two-way from a kit manufacturer, and it trades on utility rather than mystique. Original price was $54.00 each, or effectively less when bought as part of the $445 Classic Speed Kit system. Current market activity is thin. One eBay listing the archive found was titled "Vintage Deep Sound Orbiter Model HFS-8" at $99.99. That's an identity discrepancy, since the listing name doesn't match the plain Eico HFS-8 designation, so buyers should verify what they're actually looking at before bidding.
No common failures, repair information, or spare-parts availability has surfaced in the research. For anyone considering a pair, check the cloth surrounds on the woofers first, and confirm both drivers are original and working.
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.