The Magnavox Astro-Sonic is the console stereo most Americans picture when they picture one at all: a long walnut or pecan cabinet, a lid that lifts on a record changer, a dial glowing behind glass, and speakers built into the casework itself. Magnavox sold them in great numbers from the early 1960s into the 1970s. This guide covers what the name means, how the models break down, how to date one from its labels, what fails, what they sell for, and how to move one.
What "Astro-Sonic" Means
Astro-Sonic was not a single model. It was the Magnavox trademark for solid state, applied across a range of consoles from compact lowboys to six-foot stereo theaters with four horns and fifteen-inch woofers. Magnavox's trademark filing claims first commercial use in June 1962, and a 1964 advertisement states it plainly: "Astro-Sonic means solid-state." Every console carrying the name uses transistors rather than vacuum tubes. Collectors who have opened dozens report never finding a tubed Astro-Sonic: if the dial glass says Astro-Sonic, the chassis is transistorized.
The commercial argument in 1963 was reliability. Tube consoles ran hot, needed periodic tube replacement, and took a minute to warm up. A transistor amplifier switched on instantly and ran cool enough to live inside a closed cabinet. Magnavox, headquartered in Fort Wayne, Indiana, marketed the line as furniture first and electronics second, with cabinet names like Romana, Santiago, Francisco, Coronado and Forest Hills, each in a named period style.
On spelling: the company hyphenated it on the dial and in print, though "Astrosonic" as one word is nearly as common in listings, and both refer to the same line. "Magnavox Ultrasonic" is a different matter. No Magnavox stereo line was sold under that name. The term is almost always a misremembered Astro-Sonic, or a conflation with the ultrasonic television remotes of the era that Zenith made famous as Space Command. If a seller offers a Magnavox Ultrasonic, ask for a photograph of the dial.
Cabinet Styles
Magnavox sold the same electronics in several cabinet idioms at once, so two consoles with identical chassis can look nothing alike.
- Contemporary. Rectilinear walnut, sliding or lift tops, sculpted panel fronts and woven grille cloth. What the design market now calls mid-century modern, and the style in strongest demand.
- Danish Modern. A lighter Contemporary with turned or splayed legs in oiled walnut tones. Scarcer, and priced accordingly.
- Mediterranean. Heavy carved or pressed panel fronts, dark distressed pecan or oak, arched motifs and bracket feet. Very common from 1964 onward and the least sought after by furniture buyers, though often housing the larger chassis.
- Early American. Maple or cherry, turned legs, spindle galleries. Regional demand varies widely.
- French and Italian Provincial. Cabriole legs, carved aprons, fruitwood or antique white finishes. The Astro-Sonic 20 "Romana" was catalogued as Italian Provincial at $349.50 in the mid 1960s.
Finish names in Magnavox literature include walnut, distressed walnut, pecan, cherry, maple and mahogany. Later 1970s cabinets moved toward burled woodgrain laminates, which age differently from veneer.
Models and Series by Era
Magnavox never published a public key to its model numbers, and the forums that have studied them for decades agree they are only partially systematic. What follows is assembled from documented examples, with the year established from a receipt, a brochure or a dated chassis sticker. Treat it as a map of what has been observed rather than a factory list.
| Era | Model numbers observed | Tiers and names | Identifying details |
|---|---|---|---|
| 1962 to 1964 | 1ST693 (1964), early 1RP and 1ST series | First Astro-Sonic consoles, including stereo theater and radio-phonograph formats | Balance control often mounted on the chassis inside the cabinet. Collaro changer with a black curved tonearm. Some cabinets six feet long with fifteen-inch woofers. |
| 1965 to 1967 | 1RP637, 1RP657, 3RP660 | Astro-Sonic 20, 30 and 100; Romana, Santiago, Francisco, Coronado | Named cabinet programs. Astro-Sonic 20 rated 20 watts music power with twelve-inch woofers and exponential horns. Astro-Sonic 100 carried four horns and listed around $650 in 1966. W604 and W620 changers. |
| 1968 to 1970 | 1P3631, 1P3661, 1P3711, 1P3724 | Receiver-style chassis in the R214 and R222 families | R222 chassis rated roughly 15 watts per channel. Flat 45 rpm adapter replaces the earlier cylinder spindle. In 1970 Magnavox added speaker switching and moved the balance control to the faceplate. |
| 1971 to mid 1970s | 1P3833 (1971), 6400 series (1975) | Late Astro-Sonic and successor lines | 8-track decks, Matrix four-channel decoders (1972 to 1976), W700 series changers, more laminate cabinets. North American Philips took a majority stake in Magnavox in 1974. |
The Imperial, top of the range, is identified from the back: four horns, two sealed speaker chambers and an acoustic tunnel joining them. An Astro-Sonic 100 may share the same outer cabinet with unsealed bays. Cabinets alone will mislead you; the internals tell the story.
How to Find the Model, Chassis and Date
Three different numbers live on an Astro-Sonic, and sellers routinely confuse them. Work through the console in this order.
- Model number. A paper label on the back panel, usually an upper corner, printed with a model such as 1P3711 and a serial number. If it has been lost, check the inside of the lid and the underside of the cabinet.
- Chassis number. Remove the pressboard back and look at the amplifier and tuner. The chassis number is on a sticker under an inch square, or stenciled in ink on the chassis side near the speaker and antenna connections. It reads something like R214-04 or R222-76 and is what a technician needs to order the Sams Photofact service folder.
- Date sticker. Near the tuning section there is often a separate small sticker with a month and year, written as 9/65 or 01/68. This is the chassis production date and the most reliable date on the console.
- Changer number. The changer carries its own model on its underside, in the W600 to W800 range on Collaro-built units. Lift it by turning the mounting levers a quarter turn. Confirm it matches the era of the chassis, since changers were often swapped in service.
- Secondary clues. A ZIP code on the rear label means the console was built no earlier than July 1963. A grey or white 45 rpm spindle cylinder indicates post-1962 Collaro production; a short flat adapter indicates the 1970s.
The Micromatic Changer
The turntable in nearly every Astro-Sonic is not Magnavox work. It is the Micromatic, built by Collaro of England, by 1961 the largest record changer manufacturer in the United Kingdom. Billboard reported in January 1960 that Magnavox president Frank Freimann had announced an arrangement with Collaro, and from then on Collaro decks went into Magnavox consoles under the Micromatic name. They run at 16, 33, 45 and 78 rpm, stack records on an automatic spindle, and carry ceramic cartridges from Electro-Voice or Astatic. Enthusiasts regard the Micromatic as one of the better changers of its class: gentle on records when adjusted, mechanically simple, and tolerant of neglect.
What Commonly Fails
An Astro-Sonic that has sat unused since the 1980s will need attention in the same handful of places. None is a reason to walk away from a sound cabinet, but each is a cost to factor into the price.
- Changer idler wheel and lubricants. The rubber idler that couples motor to platter hardens and cracks with age, producing a slow, wavering or silent platter. The original grease on the cam and slide mechanism turns to varnish, so the cycle stalls. The remedy is a full clean and relubrication plus a re-rubbered idler. Do not force a sluggish changer by hand, since the castings that break are no longer manufactured.
- Electrolytic capacitors. The amplifier, phono preamp and power supply boards use electrolytics from the first decade of consumer transistor equipment. Symptoms are hum on every input, a weak or missing channel, and distortion at volume. A full recap is the standard first job in any restoration.
- Output transistors and heatsink grease. Most Astro-Sonic output stages use germanium transistors. Replacements are scarce, and a shorted output will take them out. The heatsink compound beneath them has usually dried to powder and should be renewed while the chassis is open.
- Controls and switches. Potentiometers and the function selector collect dust, smoke residue and cooking grease. Scratchy controls respond to a proper contact cleaner such as DeoxIT, never a penetrating oil.
- Dial and pilot lamps. The incandescent lamps behind the dial and stereo indicator burn out and are inexpensive to replace.
- Stylus and cartridge. Assume the needle is worn unless the seller can document a replacement. Ceramic cartridges also lose output with age; replacements remain available.
- Wiring. A single broken wire or cold solder joint accounts for a surprising share of dead channels.
How to Assess One Before Buying
Take a flashlight, a screwdriver and a record you do not mind risking.
- Inspect the cabinet in raking light for lifting veneer, water rings, sun fading on one side, and chips at the feet and corners. A sticking lid usually means the cabinet has racked from being moved on its side.
- Switch on. The dial lamps should light. Tune an FM station: a clean signal with the stereo indicator lit tells you the tuner and both channels pass audio.
- Rotate every control through its range and listen for scratching or dropouts.
- Cycle the changer at 33 rpm with a record on the spindle. The arm should index to the lead-in groove without hunting, the platter should hold steady pitch, and the arm should return and shut off at the end.
- Pull the back if the seller permits, photograph the chassis and date stickers, and check for rodent damage in the speaker bays before you negotiate.
What an Astro-Sonic Is Worth
Astro-Sonic values are set by two markets that rarely agree. Audio collectors, who dominate the restoration forums, prize Magnavox's earlier tube consoles and consider the solid state models common; their accounts of twenty-five dollar thrift store finds are real, if increasingly dated. Furniture buyers, who dominate the design marketplaces, value the console as a walnut credenza with a working stereo inside, and pay accordingly.
Drawing on completed eBay sales aggregated by price trackers, asking prices on Chairish and 1stDibs, dealer listings, and sale reports on the Phonoland, AudioKarma and Nostalgia Air forums, the market in late 2026 breaks down roughly as follows. These are ranges, not appraisals, and they move with region and season.
- Untested or non-working, private sale. Free to about $200. Estate sale and Marketplace listings in this condition frequently go unsold because the buyer must collect them. Mediterranean and Early American cabinets sit at the bottom of this band.
- Working as found, cabinet with wear. Roughly $150 to $500 in most regional markets. Completed online auction sales of complete consoles cluster in the low hundreds, reaching the upper end when the changer cycles and both channels play.
- Working, clean Contemporary or Danish Modern cabinet, well photographed. Roughly $600 to $1,500 through design-led resellers, consignment and curated online shops. A 1960s walnut Astro-Sonic lowboy with untested record components was recently offered on Chairish at $1,250, which shows how much the cabinet alone carries in this segment.
- Serviced electronics, rebuilt changer, conserved cabinet. Roughly $1,500 to $4,500 and occasionally higher from specialist dealers, particularly for the Astro-Sonic 100 and Imperial chassis in desirable cabinets. 1stDibs lists Magnavox consoles from the high hundreds into five figures, though the upper prices reflect designer-attributed cabinets and are not representative of the line.
Several rules hold across all four bands. Working electronics roughly double the price at every level. Contemporary walnut outsells Mediterranean pecan regardless of what is inside. Original grille cloth, knobs and paperwork matter more than sellers assume. And a console that must be collected from a rural address sells for less than the same console in a metropolitan market.
Should You Restore or Keep It Original
The question splits into cabinet and electronics, and the answers differ.
For the cabinet, conserve rather than refinish. The original lacquer, cleaned and fed with a quality paste wax, carries a color and depth a modern finish cannot reproduce, and refinishing removes the patina design buyers pay for. Reserve stripping for severe water damage or failed veneer, and match the original tone when you do. Leave faded original grille cloth in place unless it is torn.
For the electronics, the calculus reverses. Recapping the amplifier, cleaning the controls and rebuilding the changer do not reduce value; they are the difference between the second and fourth price bands above. Keep every original part you remove in a labelled bag inside the cabinet. What should be avoided is irreversible modification: cutting the cabinet for a modern receiver, discarding the Micromatic for a belt-drive turntable, or replacing the original drivers. A small Bluetooth receiver on the auxiliary or tape input adds streaming without altering anything and comes out in thirty seconds.
Budget realistically. A competent recap and changer service runs from a few hundred dollars upward depending on region, and the cost does not scale with the purchase price. The same money spent on a $75 estate find and a $1,200 design shop purchase produces the same working result; the difference is the cabinet you live with.
Moving an Astro-Sonic
These consoles weigh between roughly 150 and 250 pounds depending on size and chassis, with the Astro-Sonic 100 and Imperial cabinets at the top of that range. The weight sits in the speaker magnets, power transformer and changer, and it is unevenly distributed. A typical lowboy measures about 60 inches wide, 19 inches deep and 26 inches high.
- Use two people at minimum, three for a stereo theater, with furniture straps or a four-wheel dolly.
- Keep the console upright at all times. Laying it on its side lets the changer shift on its springs, can crack the dial glass, and racks a cabinet glued square sixty years ago.
- Before lifting, secure or remove the changer. At minimum, tie the tonearm to its rest and tape the lid closed.
- Pad every edge and corner. Veneer chips at the feet and lid corners are the most common moving damage.
- For long-distance shipping, use a blanket-wrap furniture carrier or crated freight with professional-grade foam, crating, and fragile handling labels. Uncrated freight is where most console cabinets meet their end.
Once in place, let the console acclimate for a few hours before switching it on, and level it so the changer cycles correctly.
From The Eclection

The Eclection currently holds a Magnavox Astro-Sonic Console Stereo and Record Player, model 1P3711, in its original walnut lowboy cabinet with sculpted panel fronts and woven side grilles. It carries the solid state Astro-Sonic AM and FM stereo receiver, a Collaro-built Micromatic changer running at 16, 33, 45 and 78 rpm, separate bass, treble and balance controls, and auxiliary and tape inputs. Radio and turntable are tested and operational, and the cabinet presents with minor age-appropriate wear only. Condition Guaranteed, with every detail photographed and documented on the listing. One of a Kind, 1 Available. It joins the rest of our Collectibles, where the instruments and objects of the mid-century home are gathered.