Quad Vintage and Complete Stereo System In Rare Wood Cabinets

$1,499

Here we have a complete British made Quad system, consisting of the 33 Preamplifier, 303 Power Amplifier and FM 3 Tuner.

The system preamp and tuner are fitted into rare and very good looking wood cabinets, which in my opinion makes the system.

Great 1970's looking cosmetics and good performance from this legendary company.

Would pair up well with a set of Quad ESL57's, or other vintage speakers.

(Please note the vintage JBL 4343 Studio Monitor speakers pictured in this listing are not currently listed for sale).

This listing also includes all of the necessary cables to make it all work.

Quad 33 - Solid State Preamplifier (1979)

Quad 303 - Solid State Power Amplifier (1978-1984) 45W x 2 into 8 ohms

Quad FM 3 - Solid State FM Tuner (1978) 

The SkyFi Testing Process for Preamplifiers, Amplifiers, and Tuners:

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 receiver 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 receiver 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.

At this point we will lubricate and clean all switches and potentiometers (that are not sealed) with a high quality contact cleaner, and then re-test all functions for any signs of noise or scratching.

Then the tuner is thoroughly tested in our lab utilizing our professional Sencore SG80 FM Generator, which allows us to generate a reference FM signal of any frequency and amplitude, and then measure the resulting tuner output on our Sencore PR81 or oscilloscope. 

Final testing involves pushing actual music thorough the receiver. 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 receivers 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

No

Manual

Online

Remote

Not Applicable

Cables

Yes - included for system to function together

Physical Condition

8

Working Condition

10

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