D.W. Fearn VT-1 Provozní pokyny stáhnout pdf (Strana 19)

D.W. FEARN

VT-1 &

VT-2 Microphone Preamplifers

INST

ALL

TION

The VT-2 is carefully packed for shipment and it should survive all but the most brutal han-

dling. If t

here is any damage, keep the shipping material for use during any possible claim for

damag

e with the shipper.

Included in the box:

1) The VT-2 Microphone Preamplifier

2) Line cor

3) This instruction manual

Mounting

The VT-2 is designed for installation in a standard 19 inch rack. It requires 5.25 inches of ver-

tical space, but additional spacing betw

een it and adjacent equipment is recommended for

adequate cooling. Ideally, a ventilated panel at least 1 rack unit high (1.25 inches) should be

inst

alled above and below the VT-2 (and around any other heat producing equipment for that

matter). Be sur

e t

he bottom vent slots are not blocked. It is essential that air can flow into

the bottom and out of the top of the VT-2. Equipment that runs cool can last for a very long

time.

In tight equipment enclosures, be sure there is adequate air flow. Forced air cooling will ben-

efit all y

our equipment.

The VT

-2 can also be used without a rack, placed on a table, counter, or even on the floor.

Optional r

ubber f

eet are available, when requested at the time of the order.

Moderate electrical and magnetic fields in t

he vicinity of the VT-2 should not cause any

degradation in noise performance, due to the well-shielded construction, but proximity to

devices with motors or large power transformers (i.e. tape machines or power amps) should

be avoided.

Alt

hough the vacuum tubes in the VT-2 are selected for minimum microphonic response, it

is a good practice to avoid mounting locations that subject the VT-2 to very high sound or

vibration levels.

ower

The VT

-2 is designed to operate from 100, 120, or 220-240 volt, 50/60 Hz power. The unit

will be shipped wir

ed for the voltage specified in the order, but may be changed in the field

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