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 The stand alone Arthur Loesch 1.1 Phono Stage takes the RIAA circuit from the 1.1 Full-Function Control Preamplifier and strips away the volume controls and extra inputs. It's intended for use with an external line stage, either passive or solid state. Alternatively, a pair of mono volume controls can be installed and the output signal run directly into the power amplifier, eliminating the need for the line stage altogether. And, if your amplifier already incorporates level controls, the need for extra attenuators is completely eliminated, as well. The phono stage is available in two variations, utilizing 6GK5 or 6C4 tubes, respectively. No additional tubed gain stage is required or recommended for use with the6GK5 version. However, if you already own a solid stage line stage that can provide up to +15dB of gain, then the 6C4 version is designed for you. We do not recommend running the signal from either version into a tubed line stage.
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The Sound In voicing the phono circuit, unamplified music, recorded in a live environment, rather than in a studio, was used as the primary reference. The result is a natural, well-balanced sound, with nothing added or subtracted. If the details are on the disk (or disc) and the rest of the audio system is on a par, you will easily hear nuances that were previously hidden. These include those unique, low-level cues which distinguish individual recording spaces from one another. The lack of a sonic signature produces a sound that's notable for its natural bass, glare-free treble, and rich, detailed midrange. Add to these assets an uncanny degree of clarity, plus "air," and you can follow every individual instrument or voice with ease. When integrated with equipment of comparable quality, the audio system simply disappears, leaving you alone with the performers, themselves. Now the only question to ask is this — are they playing in your space or are you listening in theirs? The Circuit Amplifying the audio signal in three gain stages, the phono circuit is suitable for any cartridge with an output of 0.25mV (or lower) to 5.0mV, moving coil or moving magnet. In some systems, lower output cartridges (less than 0.8mV) may benefit from the addition of a step-up transformer. In that case, we offer as options the economical CineMag CMQEE-3440A, as well as the dedicated Slagle step-ups.
Left and right channels are built on a pair of identical boards, mounted side-by-side for true dual-mono operation. Cartridge loading is infinitely variable via fixed-value plug-in resistors, located internally next to the phono input.  Optional RCA sockets can be added on the back panel for listeners who prefer external plug-ins. Each stage is built with its own optimal blend of parts, many of which are normally considered to be upgrades. These include VCap Teflon® capacitors, "naked" Vishay Resistors, WBT NextGen RCA sockets, and extra soft temper, pure silver wire. Hand-selected and precisely matched low-noise NOS (new old stock) American and British tubes, culled from an extensive in-house inventory, are standard.  
Tubes in Bold Face are supplied. Those in Light Face can be substituted. * 2nd Stage tubes are not interchangeable and need to be specified at the time of purchase. The 1201B+ Power Supply Based on a design originally developed for military and laboratory test equipment, the 1201B+ Power Supply is a separate tube regulated unit that's been updated and optimized for high-end audio. User adjustable for 120V or 240V worldwide operation, it's housed in a chassis that's completely separate from the audio section in order to provide optimum shielding for low noise operation. An illuminated meter and 10-turn trimpot allow the user to precisely adjust the output voltage, while circuit breakers mounted on the front panel do away with fuses. The power supply is connected to the audio stage by a heavy duty umbilical which is available in lengths from 2 feet (0.6 meters) to 8 feet (2.4 meters). In addition, a second power supply can be added at any time for complete dual-mono operation. This has the advantage of increasing overall dynamics and bass response, especially in phono mode. An IEC inlet allows the use of an upgraded AC power cord on each supply.  Click here or on the photo for complete power supply information and specs.
All features, parts, and specifications are subject to change without notice.
Contact us to arrange for an audition at our Troy, New York, listening room or for an in-home audition. Certain restrictions apply. Tempo Electric LLC PO Box 770 Saratoga Springs, NY 12866-0770 USA (518) 542-7004 The best time to reach us by telephone is 10AM-6PM, US Eastern Time. If you reach our voicemail, please leave a message with the best time to return your call. You can always contact us by eMail instead and we will try to reply within 24 hours. |
