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“ I am surprised to be sitting here writing an owner’s manual for the PHONO LOCO. It seems so official. The PHONO LOCO has made the journey from an unlikely experiment to a solid product. Most of this time, I was telling myself ‘the LOCO is unmarketable’.
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PHONO LOCO was steadfastly focused on delivering a seductive listening experience. The PHONO LOCO was never designed or built to be a commodity. It has taken on a life and personality of it’s own.
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Sutherland has been making phono preamps for a good long time. By focusing almost exclusively on phono preamps, our design and circuitry has benefited from continued refinement and improvement over the years. All of those designs were based upon voltage amplification.
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You may have also noticed a new kind of phono preamp design— usually referred to as ‘current input’. Until recently, that approach has been very much in the background. But, listeners and reviewers are now giving it some serious consideration. And many love what they hear.
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At first glance, the connections on the back panel of the PHONO LOCO appear totally conven- tional. There is the usual IEC input for the AC power cord, and a ground screw for grounding the turntable. The RCA jacks deliver an output signal to your line-level preamp. Closer exam- ination shows them to be WBT nextgen with Pure Fine Silver contacts—an unusually expen-...
Load Settings There are no loading adjustments in the PHONO LOCO. Your cartridge will see a load of zero Ohms. The input signal will be the current your cartridge produces into that virtual short. No need to worry about or fuss around with loading.
Note: operating voltage is NOT universal and cannot be field modified. Contact Info Warranty Sutherland Engineering, Inc. 455 East 79th Terrace 5 years parts and labor. Transferable. Only Kansas City, MO 64131 valid for units that have not been modified Phone: +1 (816) 718-7898 or abused.
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NOT connected at all to the RCA plug. The shield has it’s own ground wire that will go to the PHONO LOCO chassis ground screw. For best performance, you will want to invest in XLR terminated cabling. For many arms, that cable would have a DIN socket at the arm end with two XLR plugs at the preamp end.
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— Appendix B — Connecting to Turntables with Built-In RCA Jacks Two cables will be required. Each will be a twisted pair with an overall shield. The twisted pair will convey the signal. The RCA center pin will go to the XLR #2 pin. The RCA shell will go to the XLR #3 pin.
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