Summary of PRE 1L
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A n t h e m p r e 1 l o p e r a t i n g m a n u a l.
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We at sonic frontiers hope you will derive many years of listening pleasure with your new anthem pre 1l. This operating manual contains important information regard- ing the operation and care of the pre 1l. Be sure to read this manual carefully and follow these instructions in order to keep it perf...
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A b c d e f g h i.
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A se le ctor s wit ch this knob is rotated to select a line level input (m - overleaf). Note that the selector switch is bypassed when the tape/epl(external processor loop) mode is selected by depressing the tape/epl-source button (e). B balance control this knob controls the relative balance of the...
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J k l m n.
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J d e tachable iec ac pow er cord s ocke t plug the detachable power cord into this socket (see figure 4). The pre 1l is factory set for the correct operating voltage for the area in which it is sold (see shipping box for voltage setting). If a different operat- ing voltage is required, please conta...
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S e t t i n g u p the pre 1l comes with four tubes, as follows: 6922 (lv1 & v1, lv2 & v2) the 6922 tubes may be replaced with a matched set of ecc88/6dj8s or e188cc/7308s with no circuit modifica- tion. These tubes were chosen for their reliability and extremely low noise. The amplifier topology use...
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F u s e l o c at i o n lv1 v1 lv2 v2 figure 2 - tube and fuse location 8db 16db 24db figure 3 - gain switches (viewed from front panel.) gain switches shown in 8db position. Sw101 sw102.
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After the insertion of the tubes, replace the cover and fas- ten it with the screws provided. The pre 1l is now ready for operation. For further information on tube replacement, nos (new old stock) tubes, contact your dealer, a sonic frontiers customer service representative or the parts connection,...
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Muting the pre 1l is achieved by placing the mute/operate button (h) in the mute position (button depressed); the output signal is then cut off. To resume listening, place the button in the operate position (not depressed). T r o u b l e s h o o t i n g if at any time the pre 1l fails to work proper...
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Br eak- in ti me as with all audio electronic products, the ultimate sonic character of the pre 1l will not be realized until and unless the unit receives a minimum of approximately 70 hours of signal break-in time (i.E. The pre 1l is on and producing an output signal). P lace ment for pr oper venti...
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Limited f ive year wa r r a n t y sonic frontiers, inc. Warrants to the purchaser that each pre 1l is free of manufacturing defects for a period of five (5) years from the date of purchase. This five (5) year limited non-transferable warranty excludes all vacuum tubes, which we warrant for a period ...
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T e c h n i c a l s p e c i f i c a t i o n s (ac line set at 117v 60hz) frequency response : 2 hz to 130 khz -0.5 db; > 250 khz -3.0 db at 1vrms output thd & n (output at 1v rms) : gain: selectable, 24, 16 & 8db settings @ 1khz input impedance: 40k ohms output impedance: rated output: 1 vrms maximu...
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2 7 9 0 b r i g h t o n r o a d , o a k v i l l e , o n t a r i o , c a n a d a l 6 h 5 t 4 t e l : ( 9 0 5 ) 8 2 9 - 3 8 3 8 f a x : ( 9 0 5 ) 8 2 9 - 3 0 3 3 s o n i c f r o n t i e r s c a n b e r e a c h e d 9 : 0 0 a m t o 6 : 0 0 p m ( e . S . T . ) o r 2 4 h o u r s a d a y b y f a c s i m i ...