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Pioneer SPEC Complete Rack System - Fully Refurbished

Sale price$0.00

Pickup currently unavailable at SkyFi 479

Pioneer Spec Complete Rack System - Fully Refurbished Preamplifier

Pioneer SPEC Complete Rack System - Fully Refurbished

Freight & Insurance to the Lower 48 US States

SkyFi 479

Pickup currently unavailable

479 South Broad Street
Glen Rock NJ 07452
United States

+12018790000

This super fun project took us several years to complete.

The SPEC series is probably the neatest looking and most coveted line from Pioneer.

We carefully sourced every single piece and put them all through an expensive and exhaustive refurbishment to ensure the next owner will enjoy them without issues. We did this as Pioneer equipment from this era is always in need of service.

The rack in particular was really difficult to source! We didn't want just *any* rack, but rather the original & official PIONEER SPEC model.

The CT-F1000 cassette deck had over 50 internal components replaced including all rubber parts, capacitors, etc.

The SPEC-1 preamp had a bunch of transitions replaced, new bulbs installed, and each and every control cleaned and tested.

The RT-707 reel to reel had many rubber parts replaced, capacitors, and misc. other important internal components.

The SPEC-2 amplifier had select trouble maker Sanyo branded and Tantalum capacitors replaced. All other electrolytic caps were tested and replaced as needed. The relays were cleaned and the unit was calibrated and bench tested to full original rated power.

The TX-9500 II Tuner and SG-9500 EQ received a light service, including cleaning of controls and new bulbs.

The result is a highly collectible and fun rack system sure to appreciate over time as equipment from the 1970's only becomes more desirable.

This system will ship assembled in a pallet to ensure safe transport for a flat $600 within the lower 48 US states. Local pickup also welcome.

Scroll down in this listing to learn about the SkyFi official test procedures for different items (Preamps/Amps/Tuners).

Click below to add our recommended matching cables from Kimber Kable, all brand new as SkyFi is an official Kimber dealer.

Kimber Kable - RCA Interconnects - Better

Kimber Kable - RCA Interconnects - Best

Kimber Kable - Speaker Cables - Better

Kimber Kable - Speaker Cables - Best

Kimber Kable - Bi-Wire Speaker Cables - Best (If Applicable)

Item

Included

Original Box

Not Included

Manual

Online Only

Remote

Not Applicable

Cables

Yes - Power

Physical Condition

8 / 10

Working Condition

10 / 10

 

The SkyFi Testing Process for Preamplifiers:
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. Special attention is paid to the power supply which is the most common source of failure for preamps. We then power up the unit and run a simple 1k sine wave while monitoring the low voltage output on an oscilloscope for signs of distortion or noise to get a baseline.

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.

Final testing involves putting actual music through the preamplifier. We have learned over time that some issues are only noticeable to a trained ear while listening to a familiar source material. Our test bench has reference vintage KEF speakers that we are super familiar with which will quickly reveal any discrepancies. Some preamps will then move into the listening room where they will be tested with our in-house reference system.

The SkyFi Testing Process for Solid State Amplifiers:
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.

The SkyFi Testing Process for 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.

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 from the tuner. 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 tuners will then move into our listening room where they are tested with our in-house reference speakers of choice.