Connections
Normal Connection
The LF-4215 has barrier strip screw termi-
nals for connection. The terminals accept
up to #10 AWG stranded loudspeaker wir-
ing. Use the largest wire size and shortest
wire length possible for a given installa-
tion. Observe the polarity markings and
keep polarity consistent throughout the
system for best performance.
Parallel Connection of Second LF-4215
The terminals marker SPK2 may be used to
connect another LF-4215 in parallel. Con-
nect the wires as shown in the illustration,
at right. Note: If the LF-4215’s internal wir-
ing has been modified in any way, this may
not function. If this is the case, remove the
terminal cup and verify the presence of the
factory yellow jumper and blue jumper
wires; remedy as required or have the
loudspeaker serviced.
Individual Transducer Connection
(requires modification)
CAUTION! Requires removal of
terminal cup and cutting of
both the yellow and the blue
jumper wires that connect the
SPK1 and SPK2 terminals.
The transducers are wired in parallel
inside the enclosure. If individual trans-
ducer connection is required, remove the
terminal cup and remove the yellow and
the blue jumper wires that are connected
between the SPK1 and SPK2 terminals.
Replace the terminal cup and mark the
enclosure with a note of the modification.
Normal Connection Example:
Parallel Connection Example:
Individual Transducer
Connection Example:
