Randall DIAVLO Series - User Manual

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
RD50H/C -RD112
OPERATION MANUAL
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
1-847-949-0444, 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 1-847-949-0444, 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.
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RANDALL DIAVLO SERIES
(4) 12AX7A (2) EL34L -50watts
2 Channels - Clean and Overdrive
Switchable tube driven boost for both
channels
Spring Reverb
Serial effects loop
RFT2C Footswitch switches Channel
and Boost (not included)
Custom Voiced “DIAVLO” RD12508
50w Speaker
RD50C - 50w 1x12 Combo
RD50H - 50w Head
RD112 - 50w Extension Cabinet

Summary

Randall Warranty Information

Warranty Coverage Details

Details what is covered against manufacturing defects, including parts and labor.

Exclusions from Warranty

Outlines what is not covered by the warranty, such as shipping damage or misuse.

Return Authorization Process

Explains the procedure for returning items for service, including obtaining an RA number.

Randall RD50 H;C - RD112 Operation Manual Overview

Important Safety Instructions

Front Panel Control Descriptions

Guitar Input

The 1/4" input jack for connecting a guitar.

Overdrive Channel Controls

Gain and Volume controls for the Overdrive channel.

Clean Channel Volume

Volume control for the Clean channel.

Channel Selector

Footswitchable switch to select between channels.

Boost Function

Adds tube overdrive to both channels, footswitchable.

EQ Response Controls

Bass, Midrange, and Treble controls for tone shaping.

Presence and Master Volume

Presence control and Master volume for overall output.

Standby;Play and Power Switches

Controls for powering the unit on/off and standby mode.

Power Input and Fuse Socket

Connection for the power cable and fuse holder.

Speaker Outputs

Minimum 4 Ohm speaker output connections.

Reverb Level Control

Adjusts the amount of Spring Reverb effect.

Effects Loop Connections

Send and Return jacks for external effects processing.

Footswitch Jack

Connection for a footswitch to control channels and boost.

Randall DIAVLO Series Specifications

General

Series	DIAVLO
Type	Tube
Channels	2
Preamp Tubes	12AX7
Power Tubes Quantity	4
Master Volume	Yes
Effects Loop	Yes
Footswitchable	Yes
Speaker Outputs	2
Wattage	100W
Power Output	100W
Power Tubes	6L6