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EVERY ONCE IN AWHILE you will FIND some vintage stereo gear THAT'S in EXCEPTIONALLY CLEAN & mint condition..... AND HERE'S A FINE EXAMPLE.
THE SONY STR 4800 SD, has PROBABLY ONE OF THE BEST TUNERS ever built into a receiver, It LOCKS STATIONS IN RAZOR SHARP. BEAUTIFUL & simplistic spartan industrial design styling. Some of the features include the acoustic compression switch (presence, low, loudness) hi-low filter buttons, a-b switch for speakers, fm-muting etc. ALL LIGHTS WORK, HAS DOLBY FM (defunct but interesting feature), GORGEOUS detailed, warm vintage musicality. This model comes from the period where Sony's quality & engineering was really in its heyday. Manufacture Years: 1977 - 1982 , Power: 35W RMS/Channel ("old school" RMS real watts... this thing is powerful!) Great sound, in mint physical and working condition. Must be heard - particularly the three forms of "loudness" REVERED IN AUDIOPHILE ARTICLES IN THE 70'S (see the review article quote, below). A real "sleeper" in vintage stereo collecting and beacuse of this priced lower than competing Marantz, Sansui, Pioneer receivers of the same era. Here's your chance to get that famous vintage Japanese build quality and sound at a great price.
Asking $130.00 OBO, you will not find a nicer SONY 4800SD than this one or a better sounding amp/receiver at this price. Selling reluctantly as I am reducing the size of my "collection".
Here's a quoted review from one of the stereo magazines of the day when this model was first released:
Sony's STR-4800SD receiver was extensively, and positively, reviewed in Stereo magazine's Fall '77 issue. In their introduction, they found the 4800SD bettered its published f.m. sensitivity specs "by a wide margin...it has exceptionally smooth frequency response, very low distortion(especially in the midband), and excellent quieting. No exotic claims are made for the power amp section, either (35 watts/channel,15.4 dBw at 0.2% THD). But our tests indicate much more capability than that, and a distortion of only one-tenth that spec.
In almost all regards, this receiver is very conservatively rated. ... In addition to the normal bass and treble controls, the STR-4800SD incorporates a three-function 'acoustic compensator' that operates in conjunction with the volume control. In low position, the effect is similar to a loudness contour, but only the low end is boosted. In the loudness position, the effect is a bit stronger, with an additional, gentle high-end boost. In the 'presence' mode, a gentle 3dB boost is imparted to a broad band centered on 1khz, and was effective in bringing out a female vocalist in a realistic manner without playing havoc with the overall balance. ... Phono preamp exhibited a 'classic' load (50.4k resistor in parallel with about 44pfd). The equalization was accurate (+3/4 dB,-1/4dB from 30hz to 15khz) with good separation (better than 32 3/4dB across the board and 55 3/4dB at 1khz). Noise level was extremely low (77 1/4dBa below a 5-mv input). ...
The power amp proved surprising. Most manufacturers apparently spec their products close to the limit of their better samples. Not so with Sony. The generous margins by which our sample exceeded its specs are indicative of a manufacturing philosophy that decrees that the vast majority of production units will at least meet specs.
The power reserve of the STR-4800SD should be adequate for most situations, at least with reasonably efficient speakers. ... The Sony STR-4800SD is a receiver to be reckoned with. It is a highly competent performer all around (even when compared with more expensive models). If you are browsing through the thicket of receivers in search of one you can love, you owe it to yourself to audition this one"