Butler 3150 Owner'S Information Download Page 1 | Manualshive

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A U D I O, I N C

WWW.BUTLERAUDIO.COM

OWNER'S INFORMATION FOR

MODELS 5150 & 3150

MODULAR DIRECT-COUPLED

VACUUM TUBE DRIVEN

MULTI CHANNEL POWER AMPLIFIER

UTILIZING

T H E R M I O N I C

b

VACUUM TUBE TECHNOLOGY

Concept & Design:

B K Butler

Patented in the USA

Worldwide patents pending

"Tube Driver", "Tube Driver Blue", "Thermionic" and Blue Tube illumination appearance / method are

trademarks of or patented by

BK Butler

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Summary of Contents for 3150

Page 1: ... VACUUM TUBE DRIVEN MULTI CHANNEL POWER AMPLIFIER UTILIZING T H E R M I O N I Cb VACUUM TUBE TECHNOLOGY Concept Design B K Butler Patented in the USA Worldwide patents pending Tube Driver Tube Driver Blue Thermionic and Blue Tube illumination appearance method are trademarks of or patented by BK Butler ...

Page 2: ...2 Use and Operation Front Panel Power Switch Rear Panel Remote Jack 3 Inputs Speaker Output Binding Posts Speaker Phasing Recommended Channel Assignment Remote Operation 4 Specifications 5 Cable Quality The Marvelous Vacuum Tube 6 Tube Reliability 7 Warranty Repair Policy 8 ...

Page 3: ...en ended ZERO global negative feedback circuit topology Previous hybrid designs employing vacuum tubes generally utilized tubes only in impedance isolated preamp or driver stages However Butler places the triodes exactly where they should be DC Coupled through the output power devices to the speakers Therefore the tubes are positioned to naturally and actively respond to the speaker load This also...

Page 4: ...S per channel into 4 Ohms An appropriate source of 115 120VAC nominal input line voltage with a minimum current supply of 15A for the 5150 or 12A for the 3150 is required 230VAC models require approx 50 of the current rating of 115 120V models Protection Listed below are the various types of internal protection provided for unexpected conditions 1 AC input fuse for protection against any major sys...

Page 5: ... YOUR AMP BREATHE Use and Operation Important Do not apply power until you have read and understand this section Connect or disconnect cables only with amplifier OFF Note Your new Butler Audio multi channel amp is designed to operate with ONE separate speaker system connected per channel Bridging or combining channels in any manner should never be attempted Connect Speaker Outputs to speakers only...

Page 6: ... as this may cause high frequency loss and introduces a needless capacitive load to the amplifier DO NOT SHORT ANY POST TO ANY OTHER POST Speaker Phasing Upper post RED ring is POSITIVE Lower post BLACK ring is NEGATIVE Correct speaker phasing is essential for optimum operation Note Never short ANY speaker post to ANY other speaker post Connect 1 separate speaker load to each channel DO NOT attemp...

Page 7: ...Watts into 8 Ohms S N ratio Better than 110dB A Weighted Slew Rate 15V uSec Vacuum Tube Complement One 6SL7GC dual triode per channel Idling Consumption Approx 120Watts Approx 1A 120VAC or 0 5A 230VAC Full Power AC Consumption Model Power Nominal Current 120VAC 230VAC 5150 8 Ohms 4 Ohms 1 200 Watts 1 800 Watts 10A 15A 5A 8A 3150 8 Ohms 4 Ohms 800 Watts 1 300 Watts 7A 11A 4A 6A Dimensions 17 W x 16...

Page 8: ... tube For example input and output pins could be reassigned B voltages and bias currents switched to any desired value or configuration During these test it was noted that a Phantom voltage was being generated It turned out to be nothing less than the original thermionic effect that one of Edison s assistant technicians a Mr Hammer discovered in the late 1800 s while testing early light bulbs He n...

Page 9: ... Floyd s David Gilmour if BK Butler s low voltage tube guitar pedals aren t the most reliable and best sounding ever made What this means to you is that the tubes installed in your new Butler amplifier should last as long as the other high quality electronic components in the design No special tube care replacement matching biasing or maintenance is usually necessary In the unlikely event a tube b...

Page 10: ...Butler Audio retailer h Any amplifier purchased outside the USA Amplifiers purchased in another country are covered only by that country s distributor and not by Butler Audio Any removal alteration or tampering of the serial numbers or tampering with the inside of the amplifier will result in voiding the warranty Butler Audio reserves the right to determine and make final judgment as to the cause ...

Page 11: ...11 A U D I O I N C WWW BUTLERAUDIO COM ...

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