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WARRANTY AND SERVICE INFO:
THREE YEAR LIMITED WARRANTY
TRANSFERABLE
Genz Benz Enclosures warrants the El DIABLO 60 to be free from defects in materials and workmanship, for a
period of 3 years from the date of purchase, when purchased from an authorized Genz Benz dealer. Tubes are
warranted for a period of 6 months from the date of purchase.
This warranty does not cover wear and tear incurred from the normal designed use of the product.
This warranty is only effective if a copy of the original sales receipt is presented at the time of warranty service.
This limited warranty is completely transferable to any subsequent buyer as long as the original sales receipt is
transferred to such subsequent buyer. See your warranty card for all details.
ALL WARRANTY SERVICE MUST BE PERFORMED BY A GENZ BENZ AUTHORIZED SERVICE CENTER. Before
returning any unit to the manufacturer for service, a RETURN MERCHANDISE AUTHORIZATION (RA#) must be
obtained by calling 480-941-0705.
CHANGING TUBES:
Always use caution when changing tubes. The power switch on the amplifi er should be turned off and the power
cable unplugged from the source.
CHANGING POWER TUBES - The tubes should be cool. When changing the power amp tubes slip off the spring-
loaded silver tube retainer and carefully work the tubes out of the ceramic socket by pulling down while rocking
the tube slightly and gently. When re-installing power tubes, note that both the tube base and the pin positions are
“keyed” to the socket. Make sure that you seat the tube base properly in the socket and carefully push it tight into
the socket. Confi rm that the BIAS SWITCH is in the correct position for the type of power tubes being used.
CHANGING PREAMP TUBES - The tubes should be cool. Each preamp tube is secured with a special tube retainer
that keeps the tube seated properly and also helps to counter-act unwanted tube micro-phonics. A small Phillips
screwdriver will be needed to unscrew the round tube retainer. After this retainer has been removed, rock the tube
slightly and gently while pulling up on the tube and remove it carefully. When re-installing preamp tubes, note that
the pin positions are “keyed” to the socket. Make sure that you seat the tube pins properly in the socket and care-
fully push it tight into the socket. Reattach the round tube retainer. Make sure the rubber grommet inside the tube
retainer securely holds down the preamp tube.
Important note: It is critical to the optimum performance of the El Diablo 60 that a premium high grade
12AX7 tube is used for the fi rst tube in the signal chain (located directly behind the input jack). This tube
must be selected for its very low micro-phonic content in order to minimize high gain feedback or squeal in
the Hot channel when using maximum gain settings at high volumes.
OUTPUT TUBE BIAS – Refer to the Tube Bias Section listed previously in this owner’s manual.
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