Thepreamplier requires a 9V battery, which should deliver nearly 500 hours of playing time.
Equipped with a single INPUT and OUTPUT, plus a GAIN control for adjusting the level of input signal,
the preamp is activated when jack cables are inserted into both the INPUT and OUTPUT sockets. (If only
the INPUT is connected, there is no use of battery power.) However, to preserve battery life it is generally
recommended that all cables are disconnected when the preamp is not in use.
To check the battery level, insert a mono jack into the OUTPUT. The blue CHECK light indicates a charged
battery. Thesystem will be ready to work once a jack is also inserted into the INPUT.
To change the battery, carefully remove the four screwsfrom the housing cover, replace the battery, then
replace the screws.
WARNING: Although all ground connections are correctly implemented on the STAT system (pickup,
cables, STAT PRE box and circuit), they are not directly connected to ground (and are therefore “oating”),
as they actually depend on the grounding connection of the device to which the STATsystem is connected.
If that device is not properly grounded, or generates a ground loop, it is possible to experience hum.
Solving the problem requires attention to the device’s ground connection, usually via the GROUND
LIFTswitch.
In short: the ground connection must be provided by the device to which the STAT system is connected.
TECHNICAL INFORMATIONPRACTICAL TIPS
Weight
Dimensions (LxDxH)
Frequency response (@ ± dB)
Construction
Mic In connector
Mic In sensitivity
Mic In impedance
Instrument In connector
Instrument In sensitivity
Instrument In impedance
Return connector
Return sensitivity
Return impedance
Master Out connector
Master Out level
Master Out impedance
Warm
Low Cut
Phantom power (nominal)
Stat power (10 VDC)
Preamp
Audio transformer
Supply
0.16 kg
10. x 5.5 x 2.5 cm
40 Hz to 20 kHz
Aluminum box
n.a.
n.a.
n.a.
1/4” jack unbalanced
0 dBu
25 kΩ
n.a.
n.a.
n.a.
1/4” jack unbalanced
8 dBu
190 Ω
1st order Low pass (cut freq. 2 kHz) always on
2nd order High pass lter (cut freq. 100 Hz) always on
No
Yes
Class-A, no negative feedback
No
9 V alkaline battery
