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All Butler Audio products are manufactured using the finest parts and materials available. 
Butler Audio Tube Driver Blue home audio amplifiers are warrantied against manufacturing 

defects in material and workmanship for a period of five (5) year from the original date of 
purchase, if purchased at an authorized Butler Audio retailer. The original purchaser must 
complete a Butler Audio Warranty Registration Card including the purchase date and the 
authorized Butler Audio Dealer name and address and mail it to Butler Audio Inc., 
Warranty Dept., PO Box 460572, Aurora, CO  80046-0572 within 14 days of purchase.   
Otherwise they are covered by a 90-day warranty. This warranty is transferable IF the 
secondary purchaser retains the original purchaser's sales receipt. 
 

During the warranty period,  Butler Audio  will repair or replace (at its sole discretion) 
without charge, (pending inspection of the product’s condition) valid defects in material and 
workmanship. If an amplifier is determined to be defective within the first 90 days from the 
original date of purchase, Butler Audio will replace the defective amplifier with another new 
amplifier or with an amplifier we deem to be equivalent (over-the-counter exchange). After 
the first 90 days and until the end of the five (5) year warranty period, Butler Audio will 
repair or replace the amplifier (with an amplifier we deem to be equivalent) at our sole 
discretion. Proof of purchase (slaes receipt) is required for all warranty requests. 
 

This warranty does NOT cover the following :  

a)

 

Damage to any of the metalwork (i.e. heatsink, endplates, etc.) 

b)

 

Damage caused by abuse, misuse, accident, theft or any act of GOD 

c)

 

Damage caused by improper use or installation 

d)

 

Any cost or expense related to removal, re-installation or shipping 

e)

 

Service performed by anyone other than Butler Audio, Inc 

f)

 

Subsequent damage to other components 

g)

 

Any amplifier not purchased from an authorized 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(s) of 
any defects. Any product determined to be free from defects will be returned, freight 
collect.  

No person is authorized by Butler Audio to assume any other liability in connection with the 
sale of these products. 
 

Return (RMA) Procedures 

Product(s) determined to be defective require a 

R

eturn 

M

erchandise 

A

uthorization 

number (

RMA

#) to be issued by Butler Audio prior to return. To receive an RMA#, 

completely fill out the Butler Audio RMA form and fax it to the main office. Once received, 
an RMA number (RMA#) will be issued and faxed back. Returns will NOT be accepted 

without an RMA#. All returns must be packaged in their original box to prevent damage 
during shipping and must include a copy of the RMA form. Restocking charges will apply for 
any and all missing parts or repackaging materials. No credit invoices will be issued (repair 
or exchange only). Please call, email or fax: 

 

Butler 

AUDIO

 

Attn: Service Dept. 

PO Box 460572 Aurora, CO  80046-0572 
Ph: (303) 766-4504 

 Fax: (303) 766-5032 
 

Service Information and updates may be found at www.butleraudio.com 

 

Returns must be sent prepaid via UPS/FedEx or similar carrier to facilitate any necessary tracking. The RMA 
number issued must be clearly marked on the outside of the shipping box. Butler Audio assumes no responsibility for 
damage incurred during shipping. A copy of the completed RMA form showing the assigned RMA#, signed by an 
authorized Butler Audio representative and a copy of the original sales receipt must accompany all returns. All 
returns are processed in the order they are received. Repaired unit(s) will be returned by the same shipping method 
they were received in (i.e. Ground, Next Day Air, Second Day Air, etc.). If expedited return service is required or 
requested, please contact  your Butler Audio representative for details.

  

Содержание 3150

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

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

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