5
Side Panel Connections & Controls
EMPHASER EA2190/ EA490 Side Panel View
Description of Connections & Controls
1.+2. RCA Inputs (”Left“ & ”Right“). Low-level signal input for
connection with the line-outputs of the head-unit, external electronic
equalizers, cross-overs etc. (see section 2.6.1)
N.B. The 4-channel amplifier model EA490 features 2 pairs of RCA input
sockets, one for „FRONT“ one for „REAR“.
3. Highpass / Lowpass Frequency Control (”FREQ. Hz“) of the
integrated electronic filters. To be used in combination with the
respective bottom panel controls ("Electronic Filter Setting").
(see section 3.2)
4. Input Sensitivity Control (“LEVEL“) to match the RCA output
signal from the head-unit etc. to the amplifier input (see section 3.1)
5. Speaker Connecting Terminal („ L R ”) for the
connection of the loudspeakers (see 2.6.2)
Please note: The 4-channel model EA490 has two spea-
ker output sections; one for„Front“ and one for „Rear”.
6. ”GND“ for connection to chassis ground or negative terminal of car
battery (see section 2.6.4)
7. ”+12V” for connection to positive terminal of car battery
(see section 2.6.3)
8. ”REM“ for the automatic (remote) turn-on/turn-off of the power
amplifier from the head unit's remote lead (or antenna remote
lead). (see section 2.6.1)
9. FUSE („FUSE“) for protection of the amplifier-internal electronics
against electrical overload or wrong operation/manipulation.
10. Operating Mode / Fault Monitor LED („POWER PROTECTION“)
sensing signalling operating mode and faults. (see section 2.6.5)
11 . Electronic High-/ Low-Pass Filter Selector for the optional
selection of 'High- or Low-Pass Filter Mode' in combination with the
High- or Low-Pass Frequency Control(s) („FREQ. Hz“) on the side
panel.
Please note: The electronic filtering selectors are only
accessible from the bottom panel of the amplifiers.
Therefore the operating mode must be selected before
final installation of the amplifier! The 4-channel
model EA490 features two separate filtering sections;
one for „Front“ and one for „Rear“. (see section 2.2)
CONNECTIONS & CONTROLS
EA2190490 Manual neu 31.07.2000 19:02 Uhr Seite 5
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