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Unison Research Unico Stereo Tube Hybrid Integrated Amplifier; Parts Connexion Level 2 Mod
Unison Research Unico Stereo Tube Hybrid Integrated Amplifier Highlights
Product: Unison Research Unico Stereo Tube Hybrid Integrated Amplifier; Parts Connexion Level 2 Mod
Product SKU: 50865
Serial Number: 923048
Voltage: 120V
Cosmetic Description: Good cosmetic condition with some minor visible cosmetic wear including a few specks on the top surface. The top edge of the faceplate shows a few nicks and scratches as well. This item shows some wear consistent with its age but is still presentable and sounds wonderful.
What is Included: Amplifier, Remote, Manual, Two Tung-Sol 12AU7W tubes, Power cable, Factory packaging
Functional Notes: Operational condition of this item is excellent, fully tested and no issues found.
Age: 12 years
# of Owners: 1
Tobacco Exposure: No
Service History: Underwood HiFi/Parts Connexion Unico Level-2 upgrade performed. This modification installs the following:
- Three sheets of SoundCoat chassis damping material to the inner chassis
- 2 premium mil-spec, ultra low noise/microphony Mullard CV4003/12AU7 designed for 10,000 operation
- Two Multicap PPFXS polypropylene film and tin foil inter-stage coupling capacitors
- Two 1uf Auricap metalized polypropylene preamp input coupling capacitors
- Twenty Japanese Riken 0.5- and 1-watt signal path carbon resistors with gold-plated leads
- Two feet of DH Labs Revelation Series pure 99.999% silver solid-core input signal wire with Teflon tape-wrap dielectric
- One pair of premium Vampire direct gold-over-copper-plated RCA female jacks
- Four WBT 0763 single output binding posts
Eight Vishay-Telefunken SF4007 ultra-fast soft recovery diodes to rebuild two existing bridge rectifiers
- Six High quality electrolytic capacitors to the power supply
- Two custom-made Burr-Brown OPA-627 opamp-based PCBs to dramatically upgrade the amp driver stage
- Four large EAR Sorbothane isolation feet to further dampen the chassis
- TRT Wonder Solder used throughout
- A total of 7.5 hours labor
Other Notes: Optional phono stage not installed.
"I will honestly confess that I've never yet cranked an amp to levels as uninhibited as the Level-2 Unico without being troubled by distortion. The amp was so clean and controlled that listener fatigue never became an issue. This was quite an incredible experience!" -Paul Candy, 6moons
Reviews: 6moons
Shipping: Cost to ship this item within the contiguous United States is a flat rate of $65- including packaging and insurance. For all other locations including Hawaii, Puerto Rico and Alaska, please request a quote prior to purchase. Items with factory packaging will be double boxed. When factory packaging not available re-usable shipping box with custom injected-foam mold will be used. (for all items over 10 lbs). Note that all items valued over $750 will require a signature upon delivery.
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