Venture Products V100A User's Manual
Contents
1. EE 7 29 25 65 cee 7 IV DESCRIPTION APPLIANCE ELEMENTS 8 LOE Panel ass ae 8 2 Rear PONG sn ken he 8 V OPERATION 5 5 9 LRS A SE 9 ZO PEO ute 9 E A nn ed EE cena aa Eaa 10 4 Cleaning ee II cum wend cone Enge 11 Mlt SSPECIFLEATIONS na ee 12 WARRANTY aa ua aa aa ere 13 EE EO pura aa tna een aa as 13 Ze CONTAINS ervan needed ge ne 13 Miscellaneous kneden ee deelne ik eneen 13 VI FAG ET 14 PAGE 4 I FOREWORD 1 CONGRATULATIONS You just purchase the V100A Reference Class A mono block Solid State amplifier VENTURE AUDIO first wants to thank you for your trust The best components were hand selected and tested for its realization as an ex treme care was provided during its manufacturing These attentions will permit to reach utmost listening pleasure with live performance satisfaction Used in conjunction with highest quality components both V100A Reference are at their best with the VP100 Reference preamplifier you can feel confident that all the recorded musical emotion will be played back to you 2 VENTURE AUDIO Established in 1987 VENTURE started with the production of Car speakers fol lowed by Home High En2. 100 Reference mono Class A amplifier main power cord This user manual We advise to use the V100A Reference amplifier with VENTURE VP100 Reference preamplifier We will refer to this preamplifier RC5 remote control in this manual mainly concerning the power blocks Stand By mode 2 Positioning Your V100A Reference amplifier must be installed in a place about 20 cm away from the other appliance This will guarantee the best signal to noise ratio You must keep about 20 cm of free space above the amplifier chassis to allow proper heat dissipation Height and positioning within your furniture must be thought in a manner where the angle with the remote control will not exceed 40 degree in both horizontal and vertical axis Advise of use It is advised to lay the amplifier on an equipment platform on the floor PAGE 8 IV Description of appliance elements 1 Front Panel ON green STAND BY red OFF LED 2 Rear Panel 8 9 10 Model V 100A S N 1 2 3 4 5 6 7 1 BNC output for stand by mode 5 RCA mono input 2 Stand by mode selector auto or manual 6 XLR mono input 3 BNC input for stand by mode 7 Security warning LED 4 Input selector XLR balanced default OFF Or RCA unbalanced 8 Main power cord and fuse 9 ON OFF power switch 10 Speaker mono output PAGE 9 Operation Instructions 1 Power Switch After having connected the input to the preamp
3. PAGE 11 4 CLEANING V100A Reference amplifier was designed to operate perfectly with no specific set ting or maintenance for a large number of years In case of dust removal plainly process using a clean dry rag In case of a dirty mark DO NOT use any detergent or solvent but use a clean wet rag Caution NEVER clean any appliance while in operation PAGE 12 VI Specifications Type Nominal power Intermodulation Distortion square wave Input Impedance Harmonic Distortion Signal to Noise ratio Damping factor Inputs Bandwidth Rise time Dimensions Weight Amplifier 50W Class 4 Ohms 100W Class 8 Ohms 200w 4 Ohms lt 0 05 10 K Ohms lt 0 05 gt 110dB 400 1 XLR input 1 RCA input 0 a 150 000 Hz lt 2 5us 483 x 150 x 540 mm 28 Kg 62 lbs PAGE 13 VII Warranty 1 Duration VENTURE AUDIO products are warranted to be free of defects if used under nor mal conditions for a period of two 2 years from the date of purchase 2 Conditions This warranty is subject to the following conditions and limitations The warranty is void and inapplicable if the product has been used or handled other than in ac cordance with the instructions in the owner s manual abused or misused dam aged by accident or neglect or in being transported or if the defect is due to the product being repaired or tampered with or modified by anyone other tha
4. USER INSTRUCTIONS V100A Reference CLASS A MONO BLOCK POWER AMPLI FIER PAGE 2 WARNING POTENTIAL SHOCK HAZARD This product uses high voltage There are no operator serviceable parts inside Refer servicing to qualified personnel only Observe all warnings and instructions marked on the product Use only a grounded outlet Do not install or use this product near water or in wet environ ment Install the product securely on a stable surface During operation the heat dissipaters and some other parts be come hot do not touch TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE This symbol is intended to alert the user of the presence of im portant operating and maintenance servicing instructions in the literature accompanying the appliance This symbol is intended to alert the user of the presence of non insulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons Information Marking by the CE symbol indicates compliance of this device with the EMC Electromagnetic Compatibility and LVD Low Voltage Directive standards of the European Community PAGE 3 TABLE OF CONTENTS l FOREWORD o cn 4 Blei ale TATU 10 a een 4 2 VENTURE AUDIO ttr me 4 3 VLODA Referenten enor aaa a eies Eldee 5 ll SAFETY INSTRUCTIONS nee 6 III OVERVIEW sonen na hee 7 a
5. ON Check that your amplifiers are ON Check that the preamplifier amplifier are not in stand by mode oOo N OU W Check that the remote control is operating with right AAA batteries to have your appliance waken up from the stand by mode if it was 9 Check that source elements are ON CD player 10 Check that source elements are connected to an INPUT plug on your preamplifier 11 Check that you selected that ACTIVE input 12 Check that your preamplifier and amplifiers are rightly connected eventually through active crossovers 13 Check that your active crossovers if any are ON 14 Check that your speakers are connected to the amplifier This check concerns every pair if you use multi wiring Also check the cables on your speaker and crossover ports 15 Check that the appliance is not OFF due to the security system Unplug all and switch it back on once you have changed the faulty fuse PAGE 16 What are the security system call causes See security chapter for more explanations Comment solution Over tension mains Rare Change the fuse Unplug and provider switch back on DC offset input Generally comes out source elements such as CD players Unplug all cables but AC mains Switch the appliance back on It must operate perfectly alone In that case have your faulty element fixed repaired accordingly If the security LED stays on while the amplifier is only connected to AC mains with in
6. to protect the appliance against mains AC over voltage Please only replace the fuse with the same one as described hereunder In case of difficulties to find these fuses please contact us Another fuse is placed within the amplifier to protect the appliance against loud speakers wire shortcuts or an excessive current output for instance while using too low impedance speakers In this case please check and fix any problem and replace the fuse Please only replace the fuse with the same one as described hereunder In case of difficulties to find these fuses please contact us A last security system has been set to protect the appliance against thermal run aways It forces the appliance to stand by mode until it cools down to the proper temperature front LED red You can quicken the cooling by switching the appli ance off For more information on the reasons of security system calls please refer to the associated table within the questions and answers chapter At last it is important to underline that these are exceptional cases which never occur under normal conditions and good quality Hi Fi elements this implies that normal conditions do not call the security system and consequently do not re quire fuse changes External A 5A ST slow fuse is used on the mains socket base for 230V A 8A ST slow fuse is used on the mains socket base for 100 120V Internal A 8A F fast fuse is placed on the speakers output
7. d speakers and cables In 1998 the first Tube Amplifier VENTURE REFERENCE ONE a Single Ended mono block amplifier designed with special designed high power 300B tube family Ven ture 6300B was born and followed by its brother REFERENCE S ONE a stereo version of the mono block Both amplifiers was design to produce 25 watts out put To full fill the desire for Live Performance a higher power is necessary and a solid state 100 watts Class A amplifier was designed together with the preampli fier to achieve the aim The preamplifier is design as a complete set for the high est demand today s music lovers in their music world of analogue and digital sources Both MC and MM phono stage is integrated in the system to achieve the highest quality for the vinyl analogue play back Further a double subwoofer outputs are provided which enable the system to be used as a 2 1 or 2 2 system Four single ended and four balanced line inputs with individually adjustable gain are provided and makes the system unique No wish is left behind PAGE 5 3 V100A Reference VENTURE AUDIO is proud to present its brand new electronic products the V100A Reference amplifier V100A Reference offers thanks to its CLASS A and its mono design an unleashed live performance listening pleasure with an even more fruited and carnal sound Its transparency and its dynamic are set for beyond common levels and will al low you to drive any loudspeaker V100A Re
8. etween US and French norms While it would not prevent the appliance to operate a sensitive loss could be heard sound laid back Is there any specific order to switch my Hi Fi elements on Absolutely While it is not specific to VENTURE products Always switch on the source elements first they sometimes emit a spark at switch on and this must not be amplified and pushed to the speakers Then follow down the elements We provide hereunder an example of a switch on chain CD player decoder DAC preamplifier active crossovers then amplifiers To switch off please follow the reverse order Is there any specific order to switch my Hi Fi elements off Absolutely While it is not specific to VENTURE products Always switch off the source elements last they sometimes emit a spark at switch off and this must not be amplified and pushed to the speakers Start from the bot tom then follow up to the source elements We provide hereunder an ex ample of a switch off chain amplifiers active crossovers preamplifier de coder DAC CD player To switch on please follow the reverse order Heat dissipaters are very hot Is it dangerous VENTURE products aim at get the maximum from all internal components Heat dissipaters are pushed to their optimum to guarantee a maximal class A operation as it means excellence in musical quality However VENTURE products follow security norms and do not push the heat beyond legal limits There is conseq
9. ference s multiple self inductances filtered power supplies will permit to obtain an exceptional signal to noise ratio VP100 Reference Preamplifier remote control will toggle VLOOA Reference in nor mal operational or stand by mode to allow an immediate access to its highest level of musicality without any warm up time as required at first power on 8 hours PAGE 6 SAFETY INSTRUCTIONS Before operating your VENTURE AUDIO appliance please read all instructions and cautions carefully and completely Always disconnect your entire system from AC mains before connecting or disconnecting ant cables or when cleaning any components Always use a three conductor AC mains power cord which includes an earth ground connection must be used To prevent shock hazard all three connec tions must be used Never use flammable or combustible chemicals for cleaning Never operate this product with removed cover Never wet the inside of this product with any kind of liquid Never pour or spill liquids directly onto this unit Never block air flow through ventilation slots or heat sinks Never bypass any fuse Never replace any fuse with value or type other than those specified Never attempt to repair this product contact your retailer Never expose this product to extremely high or low temperature Always unplug sensitive electronic equipment during lightning PAGE 7 OVERVIEW 1 Unpacking Your package contains
10. lifier and the output to the speaker V100A Reference amplifier can be switched on using the power switch located on the rear panel If you own a VP100 Reference preamplifier connect the BNC stand by cable from the preamplifier to an V100A Reference amplifier BNC input then connect the BNC output of this same block to the BNC input of the other channel amplifier Your stand by mode can now be activated It is advised not to switch off the 100 Reference to fully and instantly benefit from its maximum musical quality However if you are meant to keep away for a long time as for holidays or in the case of any storm risk it is considered safe to switch the appliance off with the rest of your Hi Fi elements 2 Operations Stand by mode is accessible from the remote control of the VP100 Reference pre amplifier or using the stand by switch at the back Let this switch on the auto position if you own the VP100 Reference preamplifier Stand by mode allows to reduce dramatically the energy consumption of the appliance Once awoken disabling the stand by mode the amplifier will provide its optimum musical quality after only 15 minutes whereas the first operation will require more than 4 hours of warm up as will require any main switch on to reach this same level An amplifier under stand by mode has its front LED lighted in RED while GREEN in normal mode At first power on some light buzzing sound may be heard for about a mi
11. n VEN TURE AUDIO or an authorized repair center or in case of removal defacing or fal sifying of the serial numbers 3 Miscellaneous Any implied warranties relating to the above product shall be limited to the dura tion of this warranty The warranty does not extend to any incidental or conse quential costs or damages to the purchaser PAGE 14 VIII FAQ What difference between VENTURE and standard stand by mode VENTURE stand by mode does not switch off fully the appliance Only the power stages are shut off They are the main current consumers The heart of the amplifier stays warm and operational This allows to get the full musi cal quality back in about 10 to 15 minutes after waking the appliance back up A standard switch on of the appliance requires about 8 hours to get that same level back The current consumption is divided by about 10 in stand by mode VENTURE however recommends to switch the appliance fully off when leaving it unused for long periods holidays Can the provided mains cable be changed Provided mains cable answers to standard norms It can however be re placed by a high fidelity mains cable if it answers to the same norms A very sensitive musical gain can be heard depending on the chosen cable VENTURE AUDIO can help you in making this choice if it is your will Cau tion When changing this cable please follow the polarity conditions of your country Phase location is different for instance b
12. nute within the speakers This is due to the current initialization within the circuits The V100A Reference mono block offers 2 inputs 1 unbalanced RCA and 1 bal anced XLR The choice of the input is made using a switch 2 positions selector at the rear of the appliance The unbalanced position correspond to the RCA Cinch input The balanced position correspond to the XLR input PAGE 10 3 SECURITY VENTURE AUDIO appliances are designed to operate in a perfect reliable and du rable condition This operation can however be influenced by external events Some of them will require the action of the inner V100A Reference security sys tem This security system aims at protect the appliance from any over voltage for in stance as they also act to protect the whole Hi Fi elements under the amplifier responsibility Speakers for instance are this way protected from DC offset often issued by source components such as CD players once amplified they can cause irreversible damages Once activated the security system cuts the general power supply of the appli ance and the back red security LED lights on Please correct the problem be it a DC offset for instance before switching the appliance off Then switch the appli ance back on after a few seconds If the issue was external and is now fixed the amplifier will operate normally and the security LED will be off A fuse is placed within an AC plug socket
13. put XLR RCA disconnected this indicates an internal failure Please contact your servicing contact point Appliance internal failure The appliance alone does not operate Check if heat dissipaters are abnor mally hot Contact us Shortcut on speakers No output sound or very low one which can sound bad while the appli ance is ON and the display is Normal Check the wiring and components Replace the fuse Output overload No output sound or very low one which can sound bad while the appli ance is ON and the display is Normal A too loud volume on low impedance speakers can result in such an over load Replace the fuse Thermal runaway The amplifier puts itself in stand by mode front LED red if overheating Stop all music and wait for the ampli fier to cool down It will turn back to normal operation front LED green once the proper heat is reached You can switch it off to quicken the cooling PAGE 17 Note MN venture F ART SOUND TECHNOLOGY VENTURE b v b a Hanendreef 23 2930 Brasschaat Belgium Phone 32 03 6530732 Fax 32 03 6531349 E mail info ventureaudio com Website www venture audio com
14. uently no excessive heat contact is hot but do not get warmer with time once appliance is considered warm Also heat regula tors are used to prevent any thermal runaway and this way protect the ap pliance This inevitably limits the level of class A at high volumes PAGE 15 What specific handling instructions for VENTURE appliances See Operation instructions Please note however that it is always safe to switch off and unplug all mains cables before handling any cable from the system being intercon nects mains speakers or digital This caution is not specific to VENTURE products Also please allow 30 seconds mainly to the power appliances before un plugging the cables This will let the capacitors to empty themselves smoothly no spark effect These cautions are not simply an instruction manual chapter Many prob lems and failures can really this easy be avoided ground short cuts sparks on appliances The appliance does not switch on No sound comes out What can I do This is a vague question We can only provide some clues to help you check the main issues Please check this list before contacting us 1 Check your house mains alimentation 2 Check that your mains cable is connected to a wall outlet AC ali mented Check that your mains cable is connected to the VIOOA Reference inlet Check that your appliance voltage is compliant with your domestic one Check that the rear switch is set to
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