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All Butler Audio products are manufactured using the finest parts and materials available. 
Butler Audio  MONAD home audio  products are warrantied  against manufacturing 
defects in material and workmanship for a period of five (5) years 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 or factory invoice 
copy. 
 

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  MONAD is determined to be defective within the first 90 days 
from the original date of purchase, Butler Audio will replace the defective  product with 
another new  product or with a  product 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 product (with a product we deem to be equivalent) at 
our sole discretion. Proof of purchase (sales receipt  or factory invoice) is required for all 

warranty requests. 
 

This warranty does NOT cover the following :  

a)

 

Damage to any of the metalwork (i.e. chassis, 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 product 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  or email 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, write, email or fax: 

 

Butler 

AUDIO 

Attn: Service Dept. 

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

 Fax: (303) 766-5032 

Email:  [email protected] 

Further information 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 Ground shipping, unless 
otherwise agreed.  If expedited return service is required or requested, please contact your Butler Audio 
representative for details.

    

Summary of Contents for MONAD A100

Page 1: ...TUBE DRIVEN MONOBLOCK POWER AMPLIFIER UTILIZING b T H E R M I O N I C VACUUM TUBE TECHNOLOGY Concept Design B K Butler HAND BUILT Patented in the USA Worldwide patents pending Monad Tube Driver Tube Driver Blue and Thermionic are trademarks of or patented by BK Butler ...

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

Page 3: ...more than 10 times the previous usable power With painstaking efforts and great attention to detail the sonic response load and transfer characteristics of the classic 300B power triode tube have been carefully balanced to operate under optimum conditions at extremely useful and satisfying power output levels This groundbreaking design completely eliminates one of the most inefficient and non musi...

Page 4: ...e of 120VAC nominal input line voltage with a minimum current supply of 5A is required 230 240 VAC models require approx 50 of the current rating of 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 system power fault Do not replace with a fuse of higher current rating 2 Thermistor pr...

Page 5: ...ON IS RECOMMENDED IMPORTANT COOL OPERATION LONGEST LIFE AND RELIABILITY DO NOT OPERATE WITHIN A COMPLETELY CLOSED CABINET OR ENCLOSURE WITHOUT POSITIVE FORCED AIRFLOW LET 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 MONAD amp is designed to operate with ONE s...

Page 6: ...e performance and sound quality of this amplifier is worth it Speaker Output Binding Post A top of the line Rhodium Gold plated Cardass heavy duty 5 way binding post is supplied to accommodate virtually any type of speaker connection Speaker wire should be kept as short as possible and away from input cables Shielded cables must NEVER be used as this may cause high frequency loss and introduces an...

Page 7: ...ly used by the FAA to test and analyze radar tubes for aviation control towers This old but very high quality apparatus enabled him almost unlimited control to adjust and experiment with virtually every conceivable parameter of any 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 th...

Page 8: ...ld 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 becomes faulty it can easily be replaced by any generic 300B tube commercially available but for optimum performance we recommend our Butler 300B as replacement Finally the most likely reason you invested in...

Page 9: ...S typical 4 Ohms Frequency Response 20 20 000 Hz 0 6 dB Verified__________ Distortion THD Less than 1 0 at 8 Ohms A Weighted Verified__________ Input Sensitivity 1 7V for 100 Watts into 8 Ohms Verified__________ S N ratio Better than 105dB A Weighted Verified__________ Vacuum Tube Complement Butler Model 300B directly heated power triode Max Power Consumption 6 Amps Dimensions 17 W x 12 5 D x 10 5...

Page 10: ...sed from anauthorized 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 product will result in voiding the warranty Butler Audio reserves the right to determine and make final judgm...

Page 11: ...C U S T O M WWW BUTLERAUDIO COM ...

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