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LS-26 LINE STAGE PREAMPLIFIER
LINE STAGE PREAMPLIFIER WITH 7 BALANCED INPUTS AND BALANCED OUTPUTS. USES 4 6H30 TUBES AND FETS. ADUSTABLE GAIN SETTINGS STORED FOR EACH CHANNEL, AS WELL AS BALANCED OR UNBALANCED SETTING. TUBE HOURS AVAILABLE FROM REMOTE ON MAIN DISPLAY.
GAIN AND STATUS DISPLAYED ON GREEN-ON-BLACK DISPLAY. FULL-FUNCTION REMOTE CONTROL. SEE ARCDB DATABASE ONLINE FOR PHOTOS AND MORE INFO.
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LS15
Class A tube line level preamp
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LS16
After a successful run of more than three years, and with the introduction of more advanced preamps like the LS25 and REF2, it was time for a successor to the LS15. This new model -- the LS16 Stereo Vacuum-Tube Preamplifier -- offers superior performance, greater flexibility and more intuitive controls.
Chassis size and appearance are almost identical to the previous LS15, with the same complement of balanced / single ended inputs and outputs. The only major operational change is that the "Direct" input path of the LS15 is now a single-ended, unity-gain processor pass-through, a feature also included on the LS25 and RE F2. Incorporation in a home theater while preserving great two-channel sound is easier than ever. Input selections have been relabelled to include CD BAL, Phono, Tuner, Aux SE and Aux BAL.
Two additional mechanical changes deserve mention. Toggle switches are now the bidirectional spring-loaded type used on the more costly LS25. And the microprocessor-controlled volume control is also the same as used on the LS25, with a total of 104 individual steps. Both of these changes add greater control flexibility and a higher-quality operational feel.
Inside the LS16, you will find a new Class A gain circuit using four 6922 twin triodes with our proprietary clear damping rings, plus greater energy storage, the latest Infinicaps and improved power-supply regulation. The result is a sonic presentation that goes way, way beyond the LS15! Highs are better defined with a finer grain structure and less electronic hash, the midrange is more pure and open, while bass control, extension and dynamics are vastly improved from the LS15. Overall, there is much greater musical and tonal coherence from top to bottom, while definition of musical structure is more vivid and natural.
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LS16MKII Preamplifier
Functionally the LS16MKII remains unchanged except for the labeling of the inputs. (Single-ended inputs are now labeled CD, Tuner and Aux; Balanced inputs are labeled Bal 1 and Bal 2). The only other external change is the rear-panel addition of a 12V on/off trigger for remote powering of other linked audio and video components.
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LS2
Hybrid line stage pre-amp
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LS25MKII Preamplifier
Having held a firm position in our product lineup for two-and-a-half years, the LS25 has proved highly popular for both its musicality and its many features and system flexibility. With recent engineering breakthroughs at Audio Research, however -- especially stemming from the development of the VTM200 input stage technology -- it became increasingly clear that the venerable LS25 was the perfect preamplifier candidate for these latest performance enhancements.
Because it already has so many useful control functions, the LS25MKII remains almost entirely unchanged in its exterior configuration -- meaning original units can be updated at the factory to the MKII spec. Inside, however, you will find a new motherboard architecture that incorporates a JFET input stage similar to that used in the VTM200, followed by a cathode-follower / output driver stage using two 6H30 twin triodes.
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LS8MKII Stereo Line Preamplifier
The LS8 MKII is a pure Class-A circuit design with a large, fully-regulated power supply and is hand-assembled to the same critical standards as other Audio Research products. MKII component improvements include regulator FET devices, higher-quality resistors, Infinicap coupling capacitors and 6922 twin triode vacuum tubes. Mechanically, the MKII incorporates chassis isolation feet, extensive internal chassis damping and proprietary clear tube damping rings.
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LS9
Solid State Line Stage Preamplifier with balanced ins and outs
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MP1
- Extraordinarily high level of performance
- SACD and DVD-A players
- Digital video and audio processing
- Multichannel analog formats
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PH5
- PH-series phono stage
- Utilizing a new high-gain
- Non-inverting input stage
- Constant-current stabilization
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Reference 3
- Switches controlling Power
- Processor input
- long-tailed pair input stage
- Dynamic swing that is breathtaking
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SP11 MKII
2 chassis hybrid full-function pre-amp
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SP16 / 16L Preamplifier
The SP16 is completely single-ended with five sets of inputs (labeled Phono, CD, Tuner, Video and Aux) plus a Processor pass-through. There are two sets of main outputs for flexibility, plus a Tape out. The SP16 has a 12-volt trigger to turn on power amplifiers or other equipment, and full remote control of all functions including power, input selection, stereo/mono, volume, and muting.
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SP3
- Vacuum-tube preamplifiers
- Synergistic sonic upgrades
- DC voltages to the vacuum-tube heaters
- Automatic muting for turn-on
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SP7
Stereo Line Preamplifier
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STEREO PREAMPLIFIER
LINE STAGE PREAMPLIFIER WITH ALL INPUTS AND OUTPUTS BALANCED. USES 6H30 TUBES AND FETS. CIRCUIT TECHNOLOGY AND SOUND VERY SIMILAR TO THE REFERENCE 3, BUT HAS MORE FEATURES, GAIN AND FLEXIBILITY. SOUND QUALITY STATE-OF THE ART.
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5 of 5
4.45 of 5
0 of 5
3 of 5
