Acoustic Image Flex Pre Kullanıcı El Kitabı - Sayfa 10

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Looking closely at the circuit board in the vicinity of the jumpers, you

can see that each has a label that tells you the option that has been

selected by the jumper. The Gain Jumper is labeled "Norm" or "-6 dB."

If the shunt is under "Norm," the normal gain option is selected. The

Filter Jumper is labeled "Invert" or "LP." If the shunt is under "LP," the

low pass filter, or speaker emulator has been selected. As you can

see, each channel has the jumper option, so you can select the same

or a different option for each one. The Ch 2 Jumper is labeled "Out" or

"In." If the "In" position is selected, channel 2 is disconnected from the

output buss and is connected to the Ch 2 Preamp Out jack on the rear

panel. (Hopefully that nomenclature is not too confusing.)

Once you have made the jumper selections you want, reinstall the

preamp panel in the chassis.

Mounting Options

The Flex Pre can be mounted just about anywhere that puts it where

you want it. It will attach magnetically to the top of the Flex Cab. Simply

position the front feet on the bottom of the chassis in the recessed

holes in the top of the Flex Cab and the magnets will hold it in place. It

will sit on a table top or it can be mounted on a mic stand with the

included adapter. An available mounting bracket (On-Stage Stand

MY550--available from Sweetwater.com) will allow you to mount the

unit on the side of a music stand or mic stand.

Note that there are powerful magnets in the vicinity of the

recessed screws in the top of the Flex Cab. Do not place anything

on the top that will be damaged by the high magnetic field. Smart

phones, tablets, laptops, digital recorders, etc. should not be

placed on the top of the cabinet.

Specifications-Flex Pre

Mechanical

Size

2.5"Hx11.5"Wx5"D

Weight

2.5 lbs

System

Frequency Response

20 Hz - 20 kHz (±0.5 dB)

Signal to Noise Ratio

>110 dB at direct out

Power

Proprietary through RJ-45 connector or

18V via DC adapter (AC 100V to 240V)

Controls and Inputs

Mic Input

600 ohm balanced, XLR connector,

switchable 10 dB gain

Phantom Power

48 volts, on/off switch w/LED indicator

Instrument Input

1 M impedance, 1/4 inch jack

Direct Out

+4 dB, balanced, XLR, ground lift,

pre/post EQ selector, switchable 10 dB

pad

Effects Loop

Parallel type

Low Control

Shelving type, ±12 dB at 50 Hz

Low Mid Control

±12 dB at 250 Hz

Hi Mid Control

±12 dB at 1200 Hz

Treble Control

Shelving type, ±12 dB at 8 kHz

Low Cut Filter

-12 dB/octave sweepable from 30 to 150

Phase Reverse

Switchable 180 degree phase reverse

Speaker Emulator

(if selected) -12 dB/octave at 4 kHz

Effects

Type

24 bit digital with 3 programs

Programs

Reverb with variable decay time,

Delay/Reverb with variable delay time

Delay with variable delay time

All have variable wet/dry mix and

"pseudo stereo" capability

Output Interface

Proprietary balanced signal and power

interface via RJ-45 connector (100 ft

max Cat5 cable length)

1/4 inch unbalanced outputs

Supplied Accessories

Padded gig bag, 10 ft Cat5 cable, mic

stand adapter, DC power supply and

AC plug adapters

Optional Accessories

Mic stand mounting bracket