Jadis JPS2 Dual Chassis Line Stage Preamp - NOS (New Old Stock)

$15,999

This is a unique, rare, and beautiful line stage preamp from renowned french maker Jadis.

This piece was purchased in the late 1990's and then promptly put aside for a reference system a client of ours was assembling. The system never came to fruition, and it has therefore sat in its original box in climate controlled storage since new.

We carefully removed both pieces from their boxes to test and make sure it's perfect for its new owner - which it is.

$14,000 MSRP back in 1998. In today's dollars that equals $22,000.

SPECIFICATIONS
Type: Line preamplifier with separated power supply
Gain: line 24dB - CD input 18dB
Input: type 5 line, 2 output, 1 tape monitoring
Bandwidth: 20Hz to 740kz @-3dB
Number of blocks: 2
Tubes list: ECC82 X 1 ECC83 X 3 EF86 X 1 EL84 X 1
Dimensions: 17" x 13.6" x 7" each (430 x 345 x 175 mm each)
Weight: 68 lbs. (31 kg)
Consumption: 50W

DESCRIPTION
Available in balanced (JPS2S) or unbalanced (JPS2) version.

The Jadis JPS2 is a line preamplifier which uses 3 ECC83 for the line function plus a ECC82 tube to adapt the impedance on the CD entry. Its specific power supply recreates a voltage for the module with a 80 Hz frequency in order to avoid problems that can occur due to the 50 or 60 Hz frequency from the mains supply.

The high voltage is regulated by two tubes: 1 x EF86 and 1 x EL84.

Golden connector and further connections are in copper and silver which assure the faithful broadcast of the audio signal.

The "point-to-point" wiring gives to the sound stage plenty of aeration and dimension.

The choice of the electronic components and the extremely careful fabrication method gives the signature JADIS to this device.

REFERENCES
Impressively wide soundstage, it feels like pushing the walls, everything becomes clearer, easier. holographic! The build quality is superb and reliability is recognized by all. This preamplifier is clearly a reference among the best.
Cf. essai Haute Fidélité n° 165 Avril 2011
http://www.hautefidelite-hifi.com/index.php/bancs-dessai/22-pre-amplis-amplis/230-jadis-jp2-se845-nec

Complete list of Jadis pieces currently available from SkyFi: 
845 SE Amplifier Pair 
845 SE Amplifier Pair - New
845 SE Amplifier Pair - New
JA800 6 Chassis Amplifier - New
J1 CD Drive - Used
JD1 CD Transport - New
JD1 CD Transport - New
JF2 4 Chassis Crossover - New [JF3]
JS1 MKII 2 Chassis DAC - New
JPS2 2 Chassis Preamp Line Stage 
Jadis JP200S [JP200MC] 4 Chassis Preamp - New
Click here to contact us regarding purchasing or more info

Click here to view all of our currently listed Jadis pieces.

Our Testing Process for Preamplifiers 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. 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.

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 Old Stock)

Working Condition

10 (New Old Stock)

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