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Butler 

AUDIO, INC 

 

www.tubedriver.com

 

 
 
 
 
 
 
 
 

Summary of Contents for TUBE DRIVER BLUE 275

Page 1: ...ler AUDIO INC TUBE DRIVERd B L U Eu 275 OWNER S INFORMATION Certification BK Butler certifies that your new Tube Driver BLUE has been personally checked for proper performance _____________________________ ...

Page 2: ... Features Specifications 3 Installation Info 4 Power Ground Wire Gauges 5 Power Ground Warnings 6 Remote Turn On Speaker Connections 7 Speaker Bridging Mixed Mono Output 8 Input Gain Control Summary 9 End Panel Features 10 Warranty 11 Warranty Activation 13 IMPORTANT Mail In Information 14 ...

Page 3: ...river BLUE uses ZERO global negative feed back which results in greatly improved sound quality with an extremely warm open and transparent qualities The design is truly original and sets a new musical standard for mobile audio As essential as clean power is for good sound reproduction natural DYNAMICS are equally important Tube Driver BLUE produces unmatched musical dynamics and the punch of a liv...

Page 4: ...ial Number ___________________ Purchase Date ___________________ Purchased From ___________________ ___________________________________ ___________________________________ Caution The extended use of a high powered audio system may result in hearing loss or damage While Tube Driver BLUE systems are capable of live Concert level volumes with incredible sound pressure they are also designed for you ...

Page 5: ... Year Warranty Concept Design by BK Butler with over 25 years of pro music vacuum tube experience Specifications Frequency Response 5 100 Khz 1dB Total Harmonic Distortion Less than 0 15 at full power 1Khz Signal to Noise Ratio Greater than 110dB Channel Crosstalk 95dB or better 1Khz Input Impedance 10K Ohms Input Sensitivity 450mV 12 Volts RMS for full power output Output Impedance 2 Ohms or grea...

Page 6: ...ne approximate maximum current draw A 50 amplifier efficiency rating is used as an average This formula is only a guideline Using wire of a larger gauge improves the current transfer of your system so if in doubt always use larger cables Do NOT use smaller gauge wire Total 4 Ohm rated RMS output x 2 Total Input Wattage Total Input Wattage Supply Voltage Current Draw in Amps Example Your TD BLUE ha...

Page 7: ... BLUE in any position even upside down However you must maintain proper airflow Do Not install your Tube Driver BLUE under carpets or enclose it behind airtight panels In trunk mounted applications be sure to provide venting for air circulation Let the amplifier breathe Without adequate air circulation your Tube Driver Blue will generate needless heat and under severe conditions will engage protec...

Page 8: ...rough a steel panel to prevent an eventual short to ground The power and ground connections are the most important part of any installation If the connections are poor and or the resistance is high the resulting voltage drops will rob you of amplifier power and may allow noise to enter your system Your new Tube Driver BLUE features a regulated power supply However it is designed to produce maximum...

Page 9: ... source unit normally provides a remote amplifier turn on or power antenna lead that provides 12 Volts when you turn it on Run a wire from the turn on lead to the REM connection Tighten the connection Speaker Connections Follow these simple instructions to make your speaker connections Using at least 16 Gauge wire run wire from the speakers to the amplifier s using the same precautions that you fo...

Page 10: ... may trigger protection circuitry engagement and may eventually damage your amplifier Mixed Mono Output You can operate the 2 channels in both stereo and bridged mono at the same time 3 channel or tri mode by using highpass filters bass blockers and bandpass midrange only on the higher frequency stereo channels A lowpass filter coil is used on the mono connection to the sub woofers The frequencies...

Page 11: ...sory switches and alternator whine or ignition tick In order to achieve the best Signal to Noise ratio possible you must carefully experiment by making a few practical listening tests to adjust the headroom of your system correctly The basic rule to remember is that best S N ratio is achieved by using the highest undistorted level from the source unit and the lowest undistorted input level setting...

Page 12: ...Control Speaker Output End Inputs Plug in the RCA outputs from your head unit here Gain Control Use this control to match the output level of the source unit Bi state LED indicator Green Normal operation Red Protection mode Speaker Out terminals Connect speakers as indicated Cooling vents DO NOT BLOCK Largest openings on end panels may be used to route and hide cables ...

Page 13: ...mediately to Butler Audio Inc NOTE Shipping charges are the sole responsibility of the purchaser 2 The date of purchase must be established by returning the information requested in the Warranty Activation section attached hereto and a copy of the original sales invoice or receipt which must accompany the article being returned for warranty work 3 This warranty shall NOT apply to any Tube Driver B...

Page 14: ...ABLE FOR THE INCIDENTAL CONSEQUENTIAL OR COMMERCIAL DAMAGES RESULTING FROM THE BREACH OF THIS WRITTEN WARRANTY Some states or provinces to not allow the exclusion or limitation of incidental or consequential damages or limitations on how long an implied warranty lasts so the above limitations or exclusions may not apply to you 6 Your product will be serviced on an in warranty basis within the warr...

Page 15: ...de a description of the problem and if desired and request for an estimate of repair costs All repair costs will be prepaid including return shipping before your unit will be returned Please contact Butler Audio via the email link email at www tubedriver com with any further questions regarding repairs Warranty Activation In order to activate you warranty please complete the information on the fol...

Page 16: ...__ Purchased from ___________________________________ Price Paid ___________________________________ Your name ___________________________________ Address ___________________________________ ___________________________________ Phone Number ___________________________________ Email ___________________________________ Comments ...

Page 17: ...15 Butler AUDIO INC www tubedriver com ...

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