Cavalli Audio Liquid Glass User Manual

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Liquid Glass

Headphone Amplifier

Cavalli audio

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Page 3 Keep the amplifier out of reach of children at all times. Ventilation: In order to improve sound quality, your Liquid Glass® amplifier runs warm and thus requires free air circulation of at least 6” around the top and sides of the product. Never place the amplifier in an enclosed space with restricted air flow.
Page 5: Return Policy
Your Cavalli Audio Amplifier has been playing music for at least ____________ hours at near full volume. Confirmed by _______________________________. Because the Liquid Glass® can operate with many different tube types, the amp can only be broken in using the stock tubes. This break in period will settle the solid state components of the amplifier and the power supplies, but you will have to take care of breaking in each set of tubes that you want to use.
Page 6: Operation
Operation Your Liquid Glass® amplifier has been operated for at least 50 hours for quality control and to give the stock tubes (Electro Harmonix 6SN7) and other parts an opportunity to break in. However, most amplifiers don’t fully settle, open up, and “relax” until they are played for at least 100 to 150 hours of operation.
Page 7 WHEN THE AMP IS ON 2. CHANGE THE PLATE VOLTAGE WHEN THE AMP IS ON. 3. CHANGE TUBES WHEN THE AMPLIFIER IS ON. ANY OF THESE ACTIONS MIGHT DAMAGE THE AMP OR THE TUBES. Copyright © 2012-2015 Cavalli Audio, LLC Page 7 of 20...
Page 8: Amplifier Gain
Most amplifiers and preamplifiers have a fixed gain. Some have a small number of fixed gain selections. The Liquid Glass®, however, because of its design, which highlights the tubes in use, has a gain which is entirely dependent on the tube choice. The gain of a triode is called its mu and is theoretically the maximum voltage gain that a triode can provide.
Page 9 300V for 200V tubes can cause internal arcing in the triodes and damage both the tubes and the amp. Please be careful with this setting Heater and plate voltage are the only two settings you need to make in the Liquid Glass. The amp handles the rest. ...
Page 10: Front Panel Controls
Front Panel Controls Liquid Glass front panel controls. The heater switch and B+ switch are on the itch and output switch are on the lower right. Page 10 of 20 Copyright © 2012-2015 Cavalli Audio, LLC...
Page 11 This diagram shows the input jack arrangement. The leftmost jack (P) is the preamp ou the right is the Loop Out (L) for input 1. Then input #1 Jack and then Input #2 jack. Copyright © 2012-2015 Cavalli Audio, LLC Page 11 of 20...
Page 12: Input/Output Selection
Input/Output Selection The Liquid Glass® has two single-ended (RCA) inputs, #1 and #2. Input #2 also has a loop out so that you can connect other equipment from the LG. The LG also has two outputs, headphones or preamp. The preamp output is located on the rear along with the input jack (P).
Page 13 ENJOYMENT! Important notes:  Due to the extreme levels of resolving capability of the Liquid Glass®, you will likely notice changes in the amp’s performance in the first half-hour or so after turn on, even after considerable break in – this is normal. All audio components are subject to this “wake up”...
Page 14: Tube Matching
Tube Matching The gain of each channel in the Liquid Glass® is always ½ the mu of the triodes in use. Most triodes are reasonably consistent in this regard, but some can be very far off. To get the closest match for the gain in both channels, it is helpful to match the mu of all four of the triodes (two per tube) in use.
Page 15 Such is the nature of high-performance audio. We have found that, due to the extreme resolving capability of the Liquid Glass, varying your selection of items such as aftermarket power cords, resonance control products, interconnect cables, and headphone cables will very likely result in changes to the sonic result perceived through your choice of headphones.
Page 17: Standard Warranty Limitations
Warranty This Cavalli Audio product has a 1-Year warranty for parts and labor. Tubes are warranted for 90 days. Warranty does not include fully insured shipping costs to Cavalli Audio. Warranties are not transferable unless pre-authorized in writing by Cavalli Audio. If the repair is due to...
Page 18: Limitation Of Liability
Liquid Glass headphone amplifier. Now, GET BACK TO ENJOYING YOUR MUSIC! Limitation of Liability IN NO EVENT WILL CAVALLI AUDIO OR ITS SUPPLIERS BE LIABLE TO CUSTOMER FOR ANY CONSEQUENTIAL, SPECIAL, PUNITIVE, INCIDENTAL, OR INDIRECT DAMAGES OF ANY KIND ARISING OUT OF THE USE OF OR INABILITY TO USE THE PRODUCT, INCLUDING LOST PROFITS,...

Cavalli Audio Liquid Glass User Manual

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