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VALVE REPLACEMENT
To replace any of the valves in this amp, first disconnect the unit from the mains supply, then remove
the rear panel of the head by removing the screws. The valve retainers can then be taken off by hand, and the
valves removed by pulling vertically upward away from the socket (Caution: If the amp has recently been used
these may be hot). This amp uses ECC83 / 12AX7 preamp valves (4) and EL34 power valves (2). The power
valve biasing should be set by a qualified amp technician after replacement to ensure best performance and
valve longevity. Carlsbro recommend using matched pairs of power valves, and replacing the power valves
together to ensure best performance and longevity.
TECHNICAL SPECIFICATIONS
Power Consumption :
Power Output
Height
Width
Depth
Weight
Carlsbro Electronics Limited constantly seek ways to enhance our products, and improvements take
place continually. Whilst every effort is made to produce up to date literature, Carlsbro Electronics limited
reserve the right to alter specifications without prior notice.
GENERAL INFORMATION
The unit is factory set for the nominal mains voltage specified on its rear panel, and should be used
with the mains lead supplied.
For 230V the working range is 207 – 253V, 50 – 60 Hz AC
For 115V the working range is 104 – 126V, 50 – 60 Hz AC
SERVICE
All Carlsbro products are thoroughly examined and tested before leaving the factory, and if correctly
used will give many years of excellent service. However, if a problem arises, proceed as follows:
a) Contact the dealer from whom the unit was purchased and describe the symptoms of the fault.
b) If the dealer cannot help, return the equipment to the national distributor for your country. Use
the original packaging to protect the equipment from damage. Include a note with the
equipment stating your name and address, details of the problem, serial number and date and
place of purchase.
The unit does not contain any user serviceable parts. For details of spares, accessories and other Carlsbro
products, contact your local dealer. In the event of any difficulty contact our sales office at the address below.
Cross Drive, Kirkby in Ashfield, Nottinghamshire, NG17 7LD, England.
220VA max
:
50W RMS (25W in triode mode) into 8 or 16 ohm
:
266mm
:
647mm
:
235mm
:
18kg
This equipment is designed to comply with the following standards:
Carlsbro Electronics Limited
Tel: +44 (0) 1623 753902 Fax: +44 (0) 1623 755436
E-mail sales: sales@carlsbro.com http://www.carlsbro.com
COMPLIANCE
EN55103-1:1996
EN55103-2:1997
EN60065:2002
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