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Manufactured
1978 - 1979
Serial Number 829011253
MSRP $400
$2000 (Cost adjusted for inflation 2026)
For Sale $1979
FMI HiFiHealthCare@Gmail.com
The Sansui G-5500 comes from one of the most exciting and competitive eras in home audio—the late 1970s, when the “receiver wars” were in full swing. During this time, Japanese manufacturers like Sansui, Pioneer, Marantz, and Kenwood were locked in a friendly but fierce battle to build the most powerful, best-sounding, and most visually impressive receivers the world had ever seen.
Released around 1978–1979, the G-5500 sits squarely in that golden age—a time when stereo systems weren’t just appliances, but centerpieces of the home. This was the era of wood-paneled living rooms, shag carpet, and carefully curated record collections stacked beside a turntable. A receiver like this would have occupied a place of pride, glowing warmly in the evening as albums spun from artists like Fleetwood Mac, Steely Dan, or Pink Floyd.
The G-series marked a shift in Sansui’s design language—moving from the earlier black-faced units to the bold, silver-faced aesthetic that defined late-70s hi-fi. The Sansui G-5500 reflects that transition beautifully: a brushed aluminum faceplate, clean symmetrical layout, and the iconic backlit tuning dial that seems to glow with a kind of analog warmth modern gear rarely captures.
Technologically, this was a time when analog engineering was at its peak.
There were no menus, no firmware updates—just carefully designed circuits, solid transformers, and a tactile interface of knobs and switches. Every control had a purpose: tuning, tone shaping, balance, loudness contour.
You didn’t scroll—you interacted. You learned your system.
Culturally, the receiver represents a moment just before everything changed. Cassette tapes were becoming mainstream, FM radio was king, and the idea of “high fidelity” was something people actively pursued. Friends would gather to listen to a new record all the way through—reading liner notes, discussing the music, and adjusting the sound on the fly.
A receiver like this wasn’t background noise—it was the experience.
The late ’70s were also a time of optimism in consumer electronics. More power, better sound, and more features were always just around the corner, and companies competed not only on specs but on craftsmanship. Units like the G-5500 were built to last, with a level of durability and serviceability that has allowed many to survive—and thrive—decades later with the proper restoration.
Today, the Sansui G-5500 stands as a reminder of that era: a time when music was physical, equipment was substantial, and listening was intentional. Whether you’re rediscovering vinyl or simply appreciating the golden age of analog audio, this receiver captures a piece of history you can still hear and feel every time you turn it on.
As with all of our restorations, we take a cost no object approach (within reason) to component replacement especially as it relates to recapping a unit in order to see how much potential can be realized by maxing out a stock unit with high performance upgrades and modifications.
A manufacture is somewhat bound to the bean counters to produce a product that is competitive as well as desired. As part of the compromise, often it is the capacitor choices that lead to a significant part of cost savings, not to mention the advancements in capacitor technology that has transpired in the last 50 years bringing better options for less money with higher reliability as a bonus.
Having the freedom to choose the best capacitors for the particular circuit allows us to make the engineers proud, knowing full well that their design intent was the strong point but often compromised by the realities of staying economically competitive.
In this restoration we used the ALC “Audio Grade” from Kemet for the main Power Supply
In most ‘recaps’ you see, the main power capacitors are rarely replaced!...Why is that?...tech’s say “They tested fine so I didn’t replace”. I could go into a lot of dissertation on this but suffice it to say, they are the most expensive components in the receiver, other than the main drivers… AND, testing large value caps isn’t very effective with most capacitance testers due to the limitations of the frequency of the testing.
Only when testing these caps over the broadness of the audio spectrum do you reveal the whole picture of how that device is behaving at say 30hz vs 1khz. Long story short, we always upgrade these caps, even though it’s expensive because our intent is to have the piece still be working in 50 years and we feel the expense is worth it for the amount of overall labor in the restoration.
To provide smoother filtering in the detailed higher frequency spectrum, we modified the main rail power with high end Metal Stacked Poly caps!
The Pre-Amp and Amplifier stage utilize Nichicon Gold Series and their highest end audio grade “MUSE” series where BiPolar is required.
The incandescent bulbs were replaced with a filtered DC LED alternative, ensuring years of trouble free operation, reliability and the reduction of stray A/C currents.
In the phono pre-amp we stepped things up a notch higher by selecting the highest grade Audio Capacitors from Nichicons UKA and MUSE series and Highest Audio Quality Metalized Stacked Film Poly caps for the complete audio path from the cartridge input to the phono output to the Pre-amp stage.
The phono input stage was modified with KSA992 transistors to replace the original transistors that were pretty good in 1979 but are now substandard when compared to the 992’s.
This improved the noise floor of the phono section by a noticeable margin, (2.25db)…it’s the last 10% of improvement that is the hardest to achieve but the most rewarding as well.
The one thing that kills old amps more-so than anything else is the failure of heatsink compound over time. This leads to avalanche effect when the power transistors are not able to transfer their heat away to the heatsink effectively, causing them to give up the white smoke.
As part of our restoration, we completely remove the heatsinks and all output transistors in order to clean the surfaces of the old dried heatsink compound and upgrade the outputs with SilPads that will last the life of the amplifier providing better heat conduction than the original design.
Contacts on the output relay can become damaged over the years, especially when the amp is turned on inadvertently with the volume up high.
We always remove the relay and inspect the contacts and refresh them when needed.
This unit was showed no arcing and the contacts were removed and cleaned with contact cleaner and synthetic rubber pad. Prior to cleaning, contacts read 22 ohms on left and 36 ohms on right. After contact refurbishment, readings were less than 1 ohm on both sides!
Every audiophile would like the ability to use 5 way binding posts for speaker interconnection and as such we have modified the “A” speaker outputs to high quality Gold Plated binding posts!
The proof of all this work express themselves in the results of the benchmark test after the rebuild and calibration where we achieved 63 watts into 8 ohms with less than 0.03%THD
Although the tuner was not recapped, a complete tuner alignment on the FM band was performed.
The tuner tracks very accurately across the band and the selectivity proved impressive in our test area for a tuner of this design. Sensitivity was increased over 20db after alignment!
The analog tuning is mechanically smooth and fluid with a nice counterbalance system helping to sweep through the band with ease and finesse.
The cabinet on this piece is in very good shape overall and is a nice compliment to the handsome Silver Facade
If you want a centerpiece for that nostalgic Sansui look that REALLY performs, you won’t find a better piece than this one to fit the bill.
FMI HiFiHealthCare@Gmail.com
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