Unison Research Reference Pre (Open Box)
Call, TEXT or Contact Us to Order: 410-239-2020
Before ordering this piece of high-fidelity awesomeness, we ask that you call, text, or email us. Some of our brands don’t allow direct online sales, and more importantly, we want to make sure it’s the right fit for your system, your room, and your goals. You’ll connect directly with Mike, our owner and setup expert, for no-pressure guidance to get it right the first time.
*Free Delivery and Shipping
*Free Delivery and Shipping
Free shipping for most items over $100! Local delivery up to 500 miles more with minimum qualifying purchase.
Items not in stock may take 5-8 weeks depending on the manufacturer build time. See our shipping policies for details. We will contact you after your order.
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Description
Description
Open Box version of the Unison Research Reference Pre. Limited quantity available.
See the full Unison Research Reference Pre Listing for product details.
Specifications
| Type: | Valve preamplifier, dual mono, two chassis |
| Tubes: | 2 x 300B, 2 x ECC82, 4 x ECC83, 6 x 6C45P |
| Phono Tubes: | 4 x 6C45P, 2 x ECC83 |
| Operation: | Pure Class A |
| Inputs: | 4 x RCA, 2 x XLR, 1 x Tape, 2 x Phono |
| Outputs: | 1 x RCA, 1 x XLR, 1 x Tape (active), 1 x Subwoofer (active) |
| Power Link: | Power-on link for Reference power amps |
| Input Impedance: | 47k Ohm |
| Phono Input Impedance: | Selectable resistance and capacitance |
| Gain (Preamp): | 20 dB |
| Gain (Phono): | 45–55 dB |
| RIAA Equalization: | Passive ±0.2 dB |
| Bandwidth: | 10 Hz –> 100 kHz @ –0.3 dB |
| Negative Feedback: | 15 dB line, 0 dB phono |
| Distortion: | 0.1% |
| Power Consumption: | 320 W max |
| Dimensions: | 45 cm x 56 cm x H 22 cm |
| Net Weight: | 30 kg / 66 lbs |
