Summary of 312
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Ow n e r ’ s m a n ua l m o d e l 3 1 2 s t e r eo a m p l i fi e r.
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© j e f f r ow l a n d d e s i g n g r o u p 2 0 07. A l l r i g h t s r e s e r v e d . Ta b l e o f c o n t e n t s ow n e r ’ s m a n ua l m o d e l 3 1 2 s t e r eo a m p l i fi e r introduction 2 product features 3 package contents 4 initial inspection 5 maintenance & cleaning 6-7 protection sy...
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P o b ox 7 2 3 1 , c o lo r a d o s p r i n g s , c o lo r a d o 8 0 9 3 3 u s a e - m a i l : j r d g @ j e f f r ow l a n d . C o m w w w. J e f f r ow l a n d . C o m t e l e p h o n e ( 7 1 9) 47 3 -1 1 8 1 2 if you have any additional questions regarding the installation or operation of the mod...
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© j e f f r ow l a n d d e s i g n g r o u p 2 0 07. A l l r i g h t s r e s e r v e d . 3 • xlr input connectors for balanced system configuration. • rca input connectors for unbalanced system configurations. • dual speaker output terminals on each channel for bi-wiring applications. • user selecta...
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P o b ox 7 2 3 1 , c o lo r a d o s p r i n g s , c o lo r a d o 8 0 9 3 3 u s a e - m a i l : j r d g @ j e f f r ow l a n d . C o m w w w. J e f f r ow l a n d . C o m t e l e p h o n e ( 7 1 9) 47 3 -1 1 8 1 4 ensure that all of the auxiliary components listed below are enclosed within the shippi...
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© j e f f r ow l a n d d e s i g n g r o u p 2 0 07. A l l r i g h t s r e s e r v e d . 5 inspect the shipping container for damage. If any portion of the shipping container, packing material, amplifier, or accessories are damaged or missing, notify your dealer and the shipper (if a claim is to be ...
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P o b ox 7 2 3 1 , c o lo r a d o s p r i n g s , c o lo r a d o 8 0 9 3 3 u s a e - m a i l : j r d g @ j e f f r ow l a n d . C o m w w w. J e f f r ow l a n d . C o m t e l e p h o n e ( 7 1 9) 47 3 -1 1 8 1 6 all jrdg products are designed to provide a lifetime of enjoyment and listening pleasur...
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© j e f f r ow l a n d d e s i g n g r o u p 2 0 07. A l l r i g h t s r e s e r v e d . 7 p r ot e c t i o n s y s t e m s if you have any questions about the care or cleaning of your model 312 stereo amplifier, please contact your dealer or the jrdg factory before attempting to clean the chassis. ...
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P o b ox 7 2 3 1 , c o lo r a d o s p r i n g s , c o lo r a d o 8 0 9 3 3 u s a e - m a i l : j r d g @ j e f f r ow l a n d . C o m w w w. J e f f r ow l a n d . C o m t e l e p h o n e ( 7 1 9) 47 3 -1 1 8 1 8 locate the amplifier as close as possible to its final installation point. Allow access...
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© j e f f r ow l a n d d e s i g n g r o u p 2 0 07. A l l r i g h t s r e s e r v e d . 9 • do not expose the amplifier to rain, moisture, or excessively damp conditions. • the model 312 stereo amplifier must not be modified in any way, other than according to official service bulletins from jrdg. ...
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P o b ox 7 2 3 1 , c o lo r a d o s p r i n g s , c o lo r a d o 8 0 9 3 3 u s a e - m a i l : j r d g @ j e f f r ow l a n d . C o m w w w. J e f f r ow l a n d . C o m t e l e p h o n e ( 7 1 9) 47 3 -1 1 8 1 10 1 2 f e d e d a a b b c c s i g n a l & p o w e r c o n n e c t i o n s ow n e r ’ s m...
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© j e f f r ow l a n d d e s i g n g r o u p 2 0 07. A l l r i g h t s r e s e r v e d . 11 before attempting any system interconnection, please familiarize yourself with the front panel control of the model 312 stereo power amplifier. (1) front panel standby/power button: press this button to opera...
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P o b ox 7 2 3 1 , c o lo r a d o s p r i n g s , c o lo r a d o 8 0 9 3 3 u s a e - m a i l : j r d g @ j e f f r ow l a n d . C o m w w w. J e f f r ow l a n d . C o m t e l e p h o n e ( 7 1 9) 47 3 -1 1 8 1 12 (d & e) loudspeaker output: unscrew the knob that secures the speaker output connector...
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© j e f f r ow l a n d d e s i g n g r o u p 2 0 07. A l l r i g h t s r e s e r v e d . 13 note: due to the exceptionally low power consumption rating of the model 312, it is recommended that the unit not be disconnected from ac mains unless the amplifier is to be moved or reinstalled in another lo...
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P o b ox 7 2 3 1 , c o lo r a d o s p r i n g s , c o lo r a d o 8 0 9 3 3 u s a e - m a i l : j r d g @ j e f f r ow l a n d . C o m w w w. J e f f r ow l a n d . C o m t e l e p h o n e ( 7 1 9) 47 3 -1 1 8 1 14 output power, continuous rms watts, both channels driven 500 watts @ 8 ohms, 1000 watt...
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© j e f f r ow l a n d d e s i g n g r o u p 2 0 07. A l l r i g h t s r e s e r v e d . 15 15.5 in. (394 mm) 18.3 in. (465 mm) 10 in. (254 mm) 16. 7 in. (42 4 mm) 10 .5 in. (26 7 mm) d i m e n s i o n s ow n e r ’ s m a n ua l m o d e l 3 1 2 s t e r eo a m p l i fi e r.
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P o b ox 7 2 3 1 , c o lo r a d o s p r i n g s , c o lo r a d o 8 0 9 3 3 u s a e - m a i l : j r d g @ j e f f r ow l a n d . C o m w w w. J e f f r ow l a n d . C o m t e l e p h o n e ( 7 1 9) 47 3 -1 1 8 1 16 risk of electrical shock! Warning: the instructions in this section are meant for qual...
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P o b ox 7 2 3 1 , c o lo r a d o s p r i n g s , c o lo r a d o 8 0 9 3 3 u s a e - m a i l : j r d g @ j e f f r ow l a n d . C o m w w w. J e f f r ow l a n d . C o m t e l e p h o n e ( 7 1 9) 47 3 -1 1 8 1.