Audio Research LS28SE - Vacuum Tube Stereo Preamplifier

Audio Research released the LS28 as part of its foundation series.  Its heart and soul is all Audio Research.  Wide open presentation, transparent vocals , sonically holographic and will make a significant improvent to most hi-end audio systems.  The LS28 later received an upgrade to the LS28SE and its currently $12,000.  It went through a rework and make some nice sonic improvements.  

With 4 balanced inputs and 4 unbalanced, it will handle even the largest of systems. 

This is a super clean trade and includes the original remote and box.  Its been tested and sounds fantastic.  If you've been looking to take you system to the next level this is a great way to do it.



FEATURES:

• Remote controlled, fully balanced pre-amp
• Tubed preamplifier with four sets of balanced and unbalanced inputs each
• Three sets of balanced and unbalanced outputs
• Mono / Stereo
• Input Naming
• Home Theater Bypass (Called processor mode)
• Auto-shutdown
• Adjustable brightness
• Balance control
• Four 6H30P (dual triodes)
• Electronically regulated power supplies

• FREQUENCY RESPONSE - 2Hz–200kHz, +0/–3dB
• MAX VOLTAGE GAIN - 12dB, balanced output; 6dB, single-ended output.
• DISTORTION - <0.01% at 2V RMS, balanced output.
• INPUT IMPEDANCE -  120k ohms balanced, 60k ohms single-ended.
• OUTPUT INP . -  600 ohms balanced, 300 ohms single-ended main
• OUTPUT POLARITY -  Non-inverting.
• Dimensions: 19" W by 6.5"H by 13.7" D. Handles extend 1.5" (38mm) forward of front panel.
• Weight: 16 lbs 

SALON 1 audio specializes in quality trades, used and demo equipment at a significant savings over retail. We are also dealers for some of the best names in the audio industry. With a hi-end audio showroom and listening room on Florida’s East coast and we also ship worldwide.

Visit us at salon1audio.com

(407) 953-9596

SHIPPING:
We ship with UPS, Fed-Ex and various truck freight lines. All items are packed and padded with care if the original packaging is deemed insufficient. We know how exciting it is to anticipate the arrival of new gear and we want your item to arrive in the same condition it left our facility.