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Audio Research LS16 MKII Stereo Valve Line Stage

code: AUDIORESLS16MKII
£3,495.00 (FREE UK Delivery)
Item out of Stock  |  Usually dispatched within 24 hours
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 This item cannot be ordered online. If you are interested please click on the Ask a Question button below.

Frequency response ±.1dB, 1Hz to 60kHz at rated output. -3dB points below 0.5Hz and above 100kHz
Distortion (THD) .01% at 1V RMS Balanced output
Noise & hum 25µV RMS residual IHF weighted Balanced noise output with gain control with gain control at minimum (98dB below 2V RMS output).
Gain Main Output - 12.2dB unbalanced
  Tape output - 0dB
Input impedance 150K ohms Balanced. 75K ohms SE . Inputs (7): AUX SE, PHONO, TUNER, CD BAL, AUX BAL, MONITOR (SE), and PROCESSOR (SE).
Output impedance 600 ohms Balanced, 300 ohms SE Main (2), 40K ohms minimum load and 1000pF maximum capacitance. Outputs (4): 2 Main Bal, 1 Main SE, 1 Record SE.
Output polarity  
Maximum inputs 14V RMS maximum Balanced (7V RMS SE)
Rated outputs 2V RMS (1V RMS SE) into 200K ohm Balanced load (maximum Balanced output capability is 30V RMS at 1% THD at 1kHz).
Power supplies Electronically regulated low and high voltage supplies. Automatic 45-sec. warmup mute. Automatic brown-out mute.
Tube complement :LS16: (4) 6922/E88CC dual triode
  LS16 MKII: (2) 6H30 dual triode
Power requirements 100-135VAC 60Hz (200-270VAC 50/60Hz) 45 watts maximum.
Other Controls: Volume, Input Select. Toggle switches: Power On/Off, Operate/Mute, Monitor/Input, Processor/Input. All functions on Remote Control.
Dimensions 19" (48 cm) W x 5.25" (13.3 cm) H (standard rack panel) x 10.5" (26.7 cm) D. Handles extend 1.50" (3.8 cm) forward of front panel.
Weight 11.9 lbs. (5.4 kg) Net; 21 lbs. (9.5 kg) Shipping.

 This item cannot be ordered online. If you are interested please click on the Ask a Question button below.

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. This wonderfully balanced preamplifier mates extremely well with every vacuum-tube and solid-state amplifier we've tried.

Once you hear it, you will agree that the LS16 represents a new threshold of value for high-end audio preamplifiers, combining versatile features and improved sonic performance. Because of the many improvements and changes, it is not possible to update an LS15 to the LS16 configuration.

 

We endeavour to despatch same day (for orders placed up to 2pm) on available stock items to the vast majority of UK mainland addresses. Please remember to check with us first for a physical stock check if next day delivery is important to you.

UK ORDERS:  We despatch the bulk of our UK mainland items on a 24 hour service – Free of Charge.  Free delivery also applies to the Isle of Man, Isle of Wight, the Scilly Isles, the Scottish highlands and Islands, the Channel Islands and Northern Ireland but may take a day or so longer. Smaller items are delivered using Royal Mail recorded delivery or special delivery. Larger items are delivered using a courier service such as Interlink Express, DPD, UPS or DHL. 

INTERNATIONAL ORDERS: We offer competitive rates which can be confirmed by email. Please just ask – we will need a full delivery address and telephone number. Smaller items are delivered using Royal Mail Small Packets Airmail with International Tracked and/or Signed depending on value of item and availability of the service. Larger International shipments are sent by insured and tracked services using DPD, DHL or UPS. If there are any delays due to specific customs regulations, etc, you will be contacted by Hifisound or by the courier with a request for any further information required. Customs duties do not apply for shipments into any EU country (for a full list please refer to the EU Country List). Customs duties can apply for countries outside of the EU. Customers in these countries are responsible for all taxes and duties incurred when the items enter their country.

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