Aesthetix Jupiter IO Eclipse Phonostage
Io is an all-tube phono stage suitable for the most demanding cartridges including low-output moving coils. A proprietary differential circuitry design achieves high gain with extremely low noise. A separate power supply chassis removes any possibility of transformer noise corrupting delicate audio circuitry. Peter Moncrief Stealth Capacitors are used in the Eclipse Edition for unparalleled sound quality. An optional innovative mechanically-switched discrete resistor volume control yields precise resolution at all listening levels.
- High gain / low noise capable of handling low output moving coils.
- Zero feedback.
- 80dB maximum gain, internally selectable down to 56dB.
- Flexible user selectable loading on the back panel from 47Kohms down to 10ohms.
- All tube amplification and output (16 tubes total).
- Separate vacuum tube regulated power supply utilizing 8 tubes.
- Two sets of XLR and two sets of RCA outputs per channel.
- Input can be either RCA or XLR.
- Optional: Innovative and unique mechanically switched discrete resistor volume control with 46 positions using Roederstein resistors, one for each channel.
Io is available in three versions: Mk II, Signature and Eclipse. The Mk II version uses high-grade Rel-Cap polypropylene coupling capacitors. The Signature version uses exotic and expensive coupling capacitors and other critical parts to bring the performance to a higher level. Eclipse is the ultimate realization of the true capabilities of the Io, incorporating constrained-layer damped machined aluminum panels and Peter Moncrief's Stealth Capacitors. All versions of Io can be factory upgraded to Signature or Eclipse.
Jupiter Series Io and Callisto are available in (and factory upgradable to) an Eclipse Edition. The Eclipse transformation takes already industry standard setting products to a whole new level of performance. Io, Callisto and their respective power supply receive enhanced internal parts, improved chassis construction, and stunning customizable casework.
StealthCap Capacitors
Musical signals passing through a capacitor are blurred or clouded as signal reflections bouncing off the capacitor plate corrupt the original musical signal. StealthCap capacitors created by Peter Moncrief aim to cure this problem by dramatically reducing reflections along the capacitor plate. The "Stealth Technology" is made possible by a combination of laborious precision handiwork and costly exotic materials including new conductors, dielectrics, and composite resins. The resulting signal has a quieter background, rich and detailed spatial imaging, time focused musical coherence, and a broader more impactful dynamic range. The Io Eclipse uses eight .22uF / 600v Stealth coupling capacitors made of exotic copper foil. These are used between the second and third gain stages, and the third gain stage and output stage. The Io and Callisto Eclipse output stages also use eight 4uF / 400v Stealth capacitors in a unique balanced configuration.
Chassis Construction
Eclipse Edition chassis feature an extremely rigid and acoustically damped design, delivering new levels of articulation and clarity. Three separate side and top panels are machined from aluminum billet. Each panel is constrain layer damped with advanced 3M adhesives, requiring a labor intensive application of heat and pressure for proper mating. Advanced interlock material and machine screws are used to attach the panels for easy tube access. Harmonic Resolution Systems Nimbus Couplers, specially made for Aesthetix, are used to intimately couple the chassis with the equipment rack, greatly reducing mechanical noise.
Casework Design and Customization
Eclipse editions feature a stunning multi-piece front panel which includes detailed machining of the front panel casing, inlay and logo. Jupiter Eclipse customers may personalize the appearance of their unit by selecting metal finishes for the faceplate, rings, knobs, dials and logo.
Product Specifications
Inputs
Analog Line Connectors
1 single-ended RCA and 1 balanced XLR for each of the 5 analog line inputs
Input Impedance
20KΩ single-ended or 40KΩ balanced (20K per phase)
Gain
(Tube variable) 24dB maximum w/gain jumpers @ 0dB
Polarity
(Balanced) Pin-2 = Positive, Pin-3 = Negative
Maximum Input Level
9V RMS per phase
Phono (Optional)
1 single-ended RCA per channel for 2 phono inputs
Resistive & capacitance load as well as gain control. Ranges variable when MC or MM is selected
Fully discrete FET-based, high gain differential circuit
Digital (Optional)
2 x RCA, 2 x TosLink & 1 x USB 24bit / 352K, DSD & DSD2
USB utilises Wavelength Technologies’ asynchronous implementation
Outputs
Preamp Out
Connectors
1 balanced and 1 single-ended per channel
Impedance
Single-ended – 100 ohms; Balanced – 200 ohms (100 ohms per phase)
Headphone
¼” standard headphone stereo jack
1/3W into 32 ohms
HD (Optional)
1W into 32 ohms, fully discrete Class A with Mogami wiring
Modes/Processes
Standby, auto sense headphone & trigger, Home Theater Bypass available to each analog line input, individual analog input level control; internal Hi/Lo gain jumpers
Volume Control
88 1dB steps, utilising individual switched 1% metal film resistors
Tubes (Per Channel)
One 6922 (6DJ8) or equivalent per channel
I/O
RS232
1 DB9 connector
Frequency Response
(-3dB points @ full power) <2 – 150 kHz
Control
RS232
1 DB9 connector; IR extender 1.8” stereo jack
Trigger Input
1/8” jack, +5 and +12 V auto sense level or pulse (>100mS
Level; <100mS
Pulse)
Power Consumption
Active (no signal)
100W
Standby (normal mode)
25W
Standby (high efficiency mode)
6W
Maximum Operating Temperature
Internal
176°F (80°C)
Room
122°F (50°C)
Dimensions
434 (W) x 140 (H) x 449 (D) mm
Boxed
558 (W) x 254 (H) x 558 (D) mm
Weight
12.7 kg (28 lbs)
Boxed
15.9 kg (35 lbs)
Finish
Black or Silver
Warranty
3 years, non-transferable
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