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SUGDEN
A48III
INTEGRATED
STEREO
AMPLIFIER
INSTRUCTION BOOK
Your Sugden Amplifier is individually constructed from carefully selected materials and
components.
With normal use and a little care, it will bring you many years of sound enjoyment.
To obtain the best from the Amplifier's many features, please read this booklet carefully
and if you have any queries, your dealer will be only too pleased to advise.
J. E. SUGDEN & CO LTD
VALLEY WORKS
STATION LANE
HECKMONDWIKE
WEST YORKSHIRE WF16 0NF
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Summary of Contents for Sugden A48III
- Page 1 STEREO AMPLIFIER INSTRUCTION BOOK Your Sugden Amplifier is individually constructed from carefully selected materials and components. With normal use and a little care, it will bring you many years of sound enjoyment. To obtain the best from the Amplifier’s many features, please read this booklet carefully and if you have any queries, your dealer will be only too pleased to advise.
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Page 2: Installation
UNPACKING Your amplifier should reach you in a substantive, protective carton. On unpacking, please examine the unit carefully for signs of damage or prior use. Check that all the front panel controls function mechanically. The following items should also be in the carton:- 4 loudspeaker plugs –... -
Page 3: Signal Input Connections
OUTPUT CONNECTIONS LOUDSPEAKERS The loudspeaker connections are via the red and black binding posts at the right-hand rear of the Amplifier. These binding posts will accept spade connectors soldered bare woire and in some countries 4mm jack plugs. Connection of the loudspeaker leads to the plugs is made by soldering and care should be taken to ensure that the connection is properly made i.e., no loose strands or dry joints. - Page 4 UNDER NO CIRCUMSTANCES SHOULD THE EARTH CONNECTION IN THE AMPLIFIER BE REMOVED AT ANY TIME. PHONO INPUTS – EARTHING Many record decks and tone arms are provided with separate earth wire connections in conjunction with the phono input leads. This should be connected to the functional earth screw terminal on the Amplifier which is located at the rear left-hand side, adjacent to the input sockets.
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Page 5: Tape Output
The right hand channel signal is directed to the pre-amp out phono socket. This signal can be used to feed a bridged version of the SUGDEN P28 which will then form the RHC of a dual mono stereo amplifier system. To preserve correct phasing the bridged amplifiers must be connected as illustrated later in the Instruction Manual. - Page 6 The rotary selector switch located on the left of the fron panel selects the relevant input signal i.e. PHONO, C.D., AUX1, AUX2 and is associated with te signal input/output sockets on the rear panel. PHONO This will allow the signal from a Record Deck connected to the Disc inputs to be played through the amplifier to the loudspeakers.
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Page 7: Loudspeaker Outputs
MONO This button will mix both left and right stereo inputs applying the resulting signal equally to both halves of the Amplifier. MUTE This button when pressed cuts off the signal completely. PHONES The A48 is capable of driving most headphones from 4 to 2000 ohms impedance via the headphone jack socket. - Page 8 If, after replacing a fuse, the new one blows immediately after turn on, do not attempt further replacements. Please seek advice from your dealer or the factory. MAINS POWER FUSE This is a 20mm x 5mm dia slow blow fuse of 1 amp rating for 220/240V and 2 amp rating for 110/120V and must only be replaced with a fuse of the correct type.
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