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 For detailed product videos please visit our 

website at :

www.randallamplification.com

Randall Warranty

Randall Amplifiers, a Division of U.S. Music Corporation warrants the 
product you have purchased to be free of defects in materials and workmanship 
in normal use for a period of two (2) years from the date of original purchase. 
This warranty shall run to the original purchaser when purchased from an 
Authorized Randall Dealer. The manufacturer warrants speakers for a period 
of (1) years. The manufacturer warrants tubes for a period of (90) days. 
Defective parts found during the applicable warranty period with proof of 
purchase will be replaced or repaired without charge if the complete product is 
returned to US Music Corp or any Authorized Randall Service Center within 
the U.S.A. Randall reserves the right to use materials readily available at the 
time of the repair. All Warranty service requires Proof of Purchase (sales 
receipt) to be presented at time of service request. Any repair or service 
performed by any person of entity other than an Authorized Service Center is 
not covered by this limited warranty. The customer pays transportation to and 
from Randall factory service or any Randall Authorized Service Center. Rental 
stock is warranted for (1) year from date of invoice to the Authorized dealer. 
Warranty on rental units is not transferable.

 

What is covered against manufacturing defects

Parts and Labor to correct any defect in materials used and any defect 
attributable to workmanship.

 

What is not covered:

Shipping Damage. Report damage upon receipt of item to the carrier (i.e. 
UPS). Freight carrier must be notified upon receipt of items to insure freight 
damage claim resolution. Shipping damage not filed with carriers within (48) 
hrs upon receipt will not be covered under warranty. Report any shipping 
damage within (48) hrs of receipt to the Randall Customer Service Dept at 
1-800-877-6863, ext. 5120. Keep all original documents and packing materials 
to insure freight damage claim resolution. Merchandise that has been modified 
after original shipment from the Randall factory. Products whose serial 
numbers have been altered or removed. Exterior normal wear and tear damage 
to the finish due to misuse, operation outside the specified ratings, neglect or 
accident. Warranty claims by anyone other than the original purchaser. Randall 
is not responsible for any items left in protective covers or cases, (We strongly 
advise that all personal items such as chords, cables, tuners, etc… be 
removed!) freight charges to and from the factory or an Authorized service 
center on customer owned goods, any and all charges incurred from priority 
service requests (Rush Service) or priority shipping for replacement parts. Any 
and all charges if no problem is found.

Return Authorization

All items being returned for any reason must have a Return Authorization 
number. This RA# must be placed on the outside of the carton of the item being  
returned or the carton will be refused upon delivery. Please call the customer 
service department at 1-800-877-6863, ext. 5120, for the return authorization 
number. Dealer stock items will be returned to the dealer freight prepaid.

An Authorized Warranty Service Center must perform any and all field 
warranty service work. Customer will not pay for parts and/or labor provided 
the problem found is within warranty guidelines. Proof of purchase must be 
provided at the time of service request. Transportation charges to and from the 
Authorized Warranty Service Center are the responsibility of the customer. 
Rush service charges and special freight charges for required parts are not 
covered under warranty and are also the responsibility of the customer. If a 
unit is not easily transported to an authorized service center, the customer is 
responsible for technician travel charges. Any charges for labor or processing 
when no problem is found are also not covered under warranty. Any charges 
incurred for work performed by an unauthorized service center are the 
responsibility of the customer.  

 

Warranty terms may very per country, check warranty 

terms with local Distributor or at point of purchase.

A M P L

I

F

I

E R S

RM50/RM80

M O D U L A R T U B E C O M B O S
O W N E R S

M A N U A L

OPERATION

MANUAL

Model:

RD40C

A M P L

I

F

I

E R S

RM50/RM80

M O D U L A R T U B E C O M B O S
O W N E R S

M A N U A L

DIAVLO RD40C 

(4) 12AX7A  (2) 6L6 

2 Channels - Clean and Overdrive

Switchable tube driven boost for both 

channels 

Spring Reverb

Serial effects loop

RFT2C Footswitch switches Channel 

and Boost  (included)

Custom Voiced “DIAVLO” RD12508 

50w Speaker

RD40C - 40w 1x12 Combo

 

 

 

Содержание RD40C

Страница 1: ...For detailed product videos please visit our website at www randallamplification com OPERATION MANUAL Model RD40C A M P L I F I E R S RM50 RM80 M O D U L A R T U B E C O M B O S O W N E R S M A N U A L ...

Страница 2: ...ar instrument amplifiers and wish you years of great tone and enjoyable playing time with your new machine Please review the safety instructions and be aware that the documentation provided in this manual references 120volt USA versions of the models covered Note that the POWER listed on the power supply should be for your countries power standard ...

Страница 3: ...rive to both channels Footswitchable 7 Bass EQ Response 8 Midrange EQ Response 9 Treble EQ Response 10 Presence Response 11 Master volume controls overall output 12 Standby Play switch Wait 5 seconds after powering amp on before switching from Standby to Play and visa versa 13 Power switch turns unit on and off 14 Power cable input for mains connection 15 Fuse socket ...

Страница 4: ...ted here This is also the preamp output 20 Footswitch jack Standard 1 4 TRS controls Channel and boost Randall Model RF2T2C IMPORTANT NOTES ON TUBES RD40 Amplifiers are self biasing so no adjustments are needed and come with 6L6 stock The added bonus to this style of circuit is that many different power tubes can be used in the amp without any modification YOU MUST USE THE SAME 2 MODEL POWER TUBES...

Страница 5: ...E R S M A N U A L DIAVLO RD40C 4 12AX7A 2 6L6 2 Channels Clean and Overdrive Switchable tube driven boost for both channels Spring Reverb Serial effects loop RFT2C Footswitch switches Channel and Boost included Custom Voiced DIAVLO RD12508 50w Speaker RD40C 40w 1x12 Combo ...

Страница 6: ...on Merchandise that has been modified after original shipment from the Randall factory Products whose serial numbers have been altered or removed Exterior normal wear and tear damage to the finish due to misuse operation outside the specified ratings neglect or accident Warranty claims by anyone other than the original purchaser Randall is not responsible for any items left in protective covers or...

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