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Summary of Contents for Synaestec Audio Bivium
- Page 1 Bivium Preamplifier Owner’s Manual 1 ...
- Page 2 Dear Music Enthusiast, Thank you for purchasing Synaestec Audio Bivium, a state of the art line stage preamplifier utilizing revolutionary technology and the top construction quality that we are so proud of. When working together with the Volatus 200 power amplifier, they simply break every ground in audio technology. Prepared to be surprised by the extreme realism in music reproduction. Please take some time to read this owner’s manual before using the equipment for the first time. You will find useful information which will enhance your listening pleasure. Stefan Stotz ...
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Page 3: Table Of Contents
Maintenance ............................ 12 Cleaning ............................ 1 2 Remote Control Battery replacement .................. 1 2 Fuse replacement ........................ 1 2 Specifications ............................ 12 Warranty ............................... 12 Warning To prevent the risk of electrical shock, DO NOT remove the cover of the preamplifier or the power supply. There is no user serviceable part inside Bivium preamplifier or the Bivium power supply. 3 ... -
Page 4: Unpacking
An AC power cord ‐ This owner’s manual The Bivium is machined from a solid block of aircraft grade aluminum, therefore it is much heavier than it looks. Lift the amplifier with great care, or ask for assistance when trying to remove it from the packaging. The packaging material is specially designed to well protect the Bivium. We recommend you to ... -
Page 5: Preamplifier
Preamplifier Front view ON/OFF Button Operate LED (green when operate, red when ready) Display and IR remote sensor Volume knob with integrated push button ‐ Turn the volume knob clockwise will raise up the volume; ‐ Pressing the knob will switch the active audio channel to the next input. Rear view DC power input (Digital) DC power input (Analog) Right audio output ‐ RCA unbalanced Right audio output ‐ XLR balanced Right audio input ‐ RCA unbalanced 10. Right audio input ‐ XLR balanced 11. Left audio output ‐ RCA unbalanced 12. Left audio output ‐ XLR balanced 13. Left audio input ‐ RCA unbalanced 14. Left audio input ‐ XLR balanced 5 ... -
Page 6: Power Supply
Power supply Front view Rear view Main power LED IEC power inlet, fuse holder, main power on / off switch DC power output (Digital) DC power output (Analog) Remote control Top view Bottom view (Cover removed) Power Channel up (‐ adjust in Menu mode) Mute Channel down (+ adjust in Menu mode) Menu Volume control (Scroll in Menu mode) Select Battery holder 6 ... -
Page 7: Preparations
Preparations Bivium is a line stage preamplifier with separate power supply. Install Bivium on a rigid and stable platform. A vibration free platform will help extracting the optimal sonic performance. Make sure the main power switch is in the OFF position (O) before connecting any power cable. Connect the Bivium to the power supply unit, using the two special DC power cables enclosed in the package. The 4 pin DC cable is for the analog supply whereas the 3 pin cable is for the digital and control circuitry. Both DC cables are terminated with LEMO connector equipped with special locking mechanism. Please release the lock when unplug. Power supply rear panel Preamp rear panel Press ring to unlock Pull grip to unlock Always use an AC power cord with ground wire. The Bivium power supply must be earthed, both for safety and sonic reason. To get the best sound quality, make sure that all your Hi‐Fi equipments are connected into one mains socket. Connect your audio signal sources, for example CD player, SACD player, radio tuner, etc, to the audio input sockets on the rear panel of the Bivium preamplifier. Then connect the preamplifier’s audio output to your power amplifier. Audio input 1 to 3 are balanced while input 4 to 5 are single ended. The Bivium audio circuit is ... -
Page 8: Operation
Operation Turn on the main power switch on the rear panel of the Bivium power supply unit. After turning on the main power switch, the LED on the power supply front panel will glow green. At the same time, the LED on the Bivium preamplifier front panel will glow dim red, indicating it is in ready mode. Now you can press the ON/OFF button once to turn the preamplifier on completely. Channel name Volume figure Input format *Mute Bal / Unbal indicator *Left – Right *Phase invert Balance indicator indicator *Volume preset ... -
Page 9: Input Settings
Input Phase Bivium is a non‐inverting amplifier that does not reverse audio phase (preserves signal polarity). If it is necessary to invert audio phase deliberately in order to match with other equipment, select Inverted in the input phase menu. The phase inversion is only valid for the selected channel. A scroll arrow sign will appear on the display indicating phase inversion is activated. Theater Bypass The Theater Bypass allows the Bivium to be connected to surround sound processor and share the same pair of left and right loudspeaker with the surround sound system. When Theater Bypass is activated, the Bivium will switch itself to the unit gain position (0dB gain) automatically. In this case, the Bivium will behave as a buffer. Volume control will be handled by the surround sound processor upstream in the signal chain. Volume Preset If ... -
Page 10: General Settings
General Settings LR Balance, Volume Control Speed, Volume Unit, Mute Volume and Display Brightness are general parameters that are shared among all input channels. LR Balance The Left Right balance of the Bivium itself is extremely well (below +/‐0.05dB) which requires not adjustment at all. The LR Balance adjustment feature is only intended to compensate the difference between left and right volume caused by other equipment. Volume Control Speed Adjust the speed of volume control by choosing between Fine and Coarse. Fine mode offers 160 volume steps for high resolution adjustment, in 0.5dB increment. Coarse mode offers 80 volume steps for fast adjustment, in 1dB increment. Volume Unit Numeric mode represents volume in a user friendly 0 to 160 level scale. dB mode represents volume in a professional manner in overall logarithmic gain. Mute Volume When ‐55dB is selected, the preamp will attenuate the output to a very soft level whenever the ... -
Page 11: Safety And Protection
Safety and Protection DC protection The Bivium protects the loudspeaker from DC leakage. In case of the present of DC leakage, the audio output will be cut off automatically. Short circuit protection The Bivium is designed to withstand momentary short circuit. However, do not short circuit the audio output intentionally. 11 ... -
Page 12: Maintenance
Maintenance Cleaning The Bivium requires no adjustment and will remain in optimum condition for many years. Clean the surface with soft dry cloth only. Do not use any solvent or cleaning agent. Remote Control Battery replacement Unscrew the bottom plate of the remote control unit. Replace old batteries with AAA size dry cell alkaline batteries (LR03). Reclose the bottom cover after battery replacement. Always replace both batteries at the same time. Mixing new and old batteries will reduce battery life. Fuse replacement Only replace Fuse with the same rating as the supplied one. For 220V AC electricity supply, use T3A delayed fuse. For 110V, use T6A delayed fuse. Specifications Input: 3 symmetrical 2 asymmetrical Output: 1 symmetrical 1 asymmetrical Frequency response: 10 Hz to 185 kHz (+0/‐0.5 dB) - Page 13 Bivium Preamplifier Owner’s Manual (English, Rev. 1.0) Synästec Audiosysteme GmbH, Veilchenweg 1, 72479 Straßberg, Deutschland Website: www.synaestec‐audio.de, E‐mail: info@synaestec‐audio.de Tel: +49 (0) 7434 532 496, Fax: +49 7434 532 626 13 ...
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