JBL PS120 subwoofer - black / grey :
Early 1990s 100 Watt 12″ driver with angled front baffle shape and two-tone grey / black colour
Has auto signal sensor and auto turn-off for reliable operation, features as below :
Big bass, very small box : Active equalisaion circuitry deliversoutstanding bass response by electric compensation [EQ-ing] to extend the low frequency bass response beyond the limits of a small enclosure
ALC circuit to protect the driver : Automated Level Control is incorporated to regulate the maximum voltage to the speaker, this prevents the driver from being damaged ensuring years of reliable service
Adjustable crossover frequency and output level : Allows a prefect tonal match to your other speakers
Magnetic shielding : Can be placed anywhere in your room
Polarity switch : Allows normal and reverse polarity for proper acoustic summation of your system regardless of subwoofer placement
Inputs : Line and speaker level inputs allow easy integration and flexible connection into your system
User friendly auto off and on : Signal sensing auto-off and auto turn-on automatically puts the amplifier into standby mode, effectively turning the subwoofer off or on, so you don't have to
Relaibility : The PS series circuitry is designed to survive common setup errors that sometimes occur
The PS models will accept switching of the polarity at full volume from signal source or amplifier
PS models will tolerate, although not recommended, to have one channel speaker line level input and one channel speaker level input simulataneously
It can even tolerate such common input connections with reversed polarity of one of them
Multi-colour LED :
Red signifies standby mode when the subwoofer is not receiving any signal source. Note : the maplifer will go into the standby mode after a period of 3 to 5 minutes of no signal
Green signifies that it is receving signal and the amplifer is on
Amber signifies the protection mode : this will occur briefly when the PS120 subwoofer's amplifier is switched on while the signal is being sent from the signal source receiver or amplifier
It remains lit in this case for about 8 seconds
Specifications :
-:®:- Vintage : 1993 model
-:®:- Power rating : 100Watts
-:®:- Driver : 12″ [250mm] high polymer laminate cone
-:®:- Voice coil diamter : 2″ [5mm]
-:®:- Crossover frequency : variable 50 to 200Hz
-:®:- Frequency response [-6dB] : 23Hz to variable 62Hz up to 250Hz
-:®:- Inputs : line level from home theatre subwoofewr out and speaker level
-:®:- Dimensions [W x H x D]: 489 x 387 x 251mm
-:®:- Weight : 18kg - packed 20kg
SOLD April 2015 on trademe to St Heliers, Auckland
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