Unison Research Reference 300B Valve Preamplifier

Offering is Top-of-the-line Reference 300B valve preamplifier from Unison Research. A full functional dual mono preamplifier. A built-in mm/mc phono stage.

From 1 owner. 18 months old. Lightly used. Owner downsize his hi-fi room. Thus, it out for sale. Always keep in dedicated temperature control hi-fi room. Condition is like new. All original tubes. No scratches. No dents. No marks. No service history. No repair. Just working perfectly like new. It comes with original manual, power cord and remote control.

PRODUCT DESCRIPTIONS:
The Reference represents the pinnacle of Unison Research`s creative work in preamplifier design. This is the two-chassis preamplifier conceived to partner the Reference Monoblock power amplifiers, and features the very finest components and a totally unique circuit with 300B tubes. A work of art itself, it delivers the purest possible musical signal to give the purity demanded by the most discerning audio customers. Truly a very special piece of equipment.

PRODUCT SPECIFICATIONS:

- Type: Valve line stage and valve phono section in separated integral chassis, operating in dual mono pure Class A
- Output Impedance: 500 Ohms
- Input Impedance: line stage: 47k Ohms
phono section: user selectable
- Frequency Response: 10Hz – > 100k Hz @ – 0.3dB
- Feedback Factor: 15dB line stage, 0db phono section
- Inputs: 4 line level RCA, 2 line level XLR, 1 tape, 2 phono
- Outputs: 1 RCA, 1 XLR, 1 tape (active), 1 subwoofer (active), remote power for REFERENCE Mono Power Amplifiers
- Line Stage Valve Complement: 2 x 300B, 2 x ECC82 (12AU7),
2 x ECC83 (12AX7), 2 x C45P
- Phono Section Valve Complement: 4 x 6C45P, 2 x ECC83 (12AX7)
- Phono Section Input Impedance: 22 Ohms, 50 Ohms, 100 Ohms, 47k Ohms User Adjustable
- Capacitance: 100pF, 200pF, 320pF, 420pF User Adjustable
- Phono Section Gain: 45db, 55dB
- Passive RIAA Accuracy: ± 0.2dB
- Total Harmonic Distortion: 0.1%
- Power Consumption: 320W max.
- Dimensions (WxDxH): 451mm x 560 mm x 210 mm
- Remote Control: Radio Remote Control

Unit is in original 230 voltage at 50/60Hz. It can also be set to 115 voltage use.

Will ship worldwide using low cost shipping via courier service, sea freight, air freight.

Many pictures are available for serious buyer.

Payment by wire transfer is preferred. Also accept PAYPAL if buyer cover fee.

Also available for sale is a matching Unison Research Reference 845 Valve Monoblock Power Amplifier. Do check it out.

Thanks for looking.