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New Old Stock Marantz Model 500 Vintage Amplifier - New In Box!! Collectors Piece

Sale price$0.00
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Pickup currently unavailable at SkyFi 479

New Old Stock Marantz Model 500 Vintage Amplifier - In Box!! Collectors Piece

New Old Stock Marantz Model 500 Vintage Amplifier - New In Box!! Collectors Piece

SkyFi 479

Pickup currently unavailable

479 South Broad Street
Glen Rock NJ 07452
United States

+12018790000

We really didn't think it could get any better after we brought you the New in Box Marantz Model 10B Tuner which quickly sold to a collector.

We're pleased to present another rare opportunity to own a piece of audio history, also new in its original box...

This Marantz Model 500 vintage solid state stereo amplifier came to us from a large collection which included TWO Model 500's. We assume he used one (also listed on our site) and kept this one as a spare.

Please see our video for tons of great details and info about this legendary piece:

Marantz Model 500's in good condition are very hard to find, and new in the box is almost impossible and is priced accordingly.

This piece will be double packed in its original inner and outer cartons. It includes all manuals and paperwork, protective faceplate film, red cardboard warning insert, and all packing materials.

We will actually pack it in a 3rd box to preserve originality and protect the packaging.

SPECS:

RMS Power Per Channel 250 @ 8 ohms, 500 @ 4 ohms

Damping Factor @ Load Impedance

>400

Total Harmonic Distortion (THD) 0.1%

Power Bandwidth 20Hz to 20 KHz

Frequency Response 2 Hz to 100KHz at +/- 1.5 dB

Hum and Noise >106 dB below 250 watts

Signal to Noise Ratio 110 dB

Intermodulation Distortion (IM) 0.1%

Input Sensitivity for Full Output 2.25 volts

Gain Control(s) Yes, Separate Left & Right

Output Meter(s) 2, precision moving coil, jeweled bearings

Cooling Fan(s) Yes

Our Testing Process for Amplifiers (Solid State) at SkyFi:

We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and transistors are checked for signs of stress or damage.

We then power up the unit carefully and run a simple 1k sine wave while monitoring the output on an oscilloscope for signs of distortion or noise. Finally, we run the amplifier to its full rated power into the appropriate resistive load provided by our Sencore amplifier tester. If there is an issue, it will usually be noticeable at this point. If everything reads clean, we will often test for THD (Total Harmonic Distortion) measured by our Keithley distortion meter, and compare it against the original manufacturers specifications. The amplifier then remains powered on to "burn in" on our test bench for a few hours to make sure there are no heat related issues. If there are balanced inputs available they will be also be tested.

Final testing involves pushing actual music thorough the amplifier. We've learned over time that some issues are only noticeable to a trained ear while listening to familiar source material. Our test bench has reference vintage KEF speakers that we're very familiar with which quickly reveal any discrepancies. Some amplifiers will then move into our listening room where they are tested with our in-house reference speakers of choice.

Please click here for detailed specifics regarding our specialized packing process that separates us from the rest.

Item

Included

Original Box

YES!

Manual

YES!

Remote

N/A

Cables

Yes - Power

Physical Condition

10 - New In Box

Working Condition

 10 - New In Box

SKU: 101504