Brenell MINI 8 - Installation; Input and Output

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1.

INSTALLATION

1.1

The

Brenell

Mini

8

tape

recorder

is

supplied

as

two

separate

units

-

the

tape

deck

with

its

associated

record/replay

electronics

and

the

Power

Supply

Unit

(PSU).

The

PSU

is

provided

separately

so

that

it

may

be

positioned

well

away

from

the

tape

recorder

to

minimise

magnetic

induction

from

the

transformers

and

bias/erase

oscillator

that

are

in

the

unit.

1.2

Supplied

with

the

tape

recorder

is

a

three-core

mains

cable

terminated

with

three-pole

plug.

This

cable

is

color

coded:

o

o

o

brown

-

live

blue

-

neutral

green

and

yellow

-

earth

and

a

suitable

three-pin

plug

should

be

attatched

to

this

cable.

If

a

fused

plug

is

used

a

fuse

of

5

amp

(240V.)

or

10

amp

(110V.)

rating

should

be

fitted.

Before

connecting

mains

to

the

PSU

the

input

voltage

selector

should

be

set

to

the

available

voltage

by

placing

the

plug

in

the

appropriate

position.

1.3

A

second

cable

is

also

provided

to

connect

the

PSU

to

the

tape

recorder.

This

is

terminated

with

a

15

way

plug

and

socket

-

the

plug

is

inserted

in

the

PSU

and

the

socket

in

the

tape

recorder.

Models

after

serial

number

000254

have

separate

mains

and

signal

cables

to

conform

to

EEC

regulations

.

1.4

When

the

power

cable

is

connected

to

the

PSU

the

RED

indicator

on

the

front

of

the

PSU

will

light

and

power

will

be

available

to

the

tape

recorder.

On

later

models

the

PSU

indicator

will

light

only

when

the

tape

recorder

is

switched

on.

1.5

The

tape

recorder

itself

is

best

positioned

as

far

away

as

possible

from

the

PSU

(a

two

metre

cable

is

normally

provided).

It

can

be

mounted

either

vertically

or

horizontally

but

in

either

case

adequate

space

should

be

provided

at

the

rear

of

the

recorder

to

allow

for

ventilation.

2.

INPUT

AND

OUTPUT

2.1

The

tape

recorder

is

provided

u/ith

eight

(8),

single

pole

jacks

inch)

and

eight

(8),

single

pole

output

jacks

on

the

rear

panel.

These

correspond,

from

top

to

bottom,

to

channels

one

to

eight

on

the

tape.

INPUT:

2.2

The

input

sockets

have

an

impedance

of

10K

ohm

and

can

accept

unbalanced

inputs

up

to

10K

ohms

impedance.

The

input

sensitivity

can

be

adjusted

(by

means

of

the

line

level

control)

from

-lOdBm

to

+20dBm

to

produce

the

optimum

record

level.

OUTPUT:

2.3

The

output

sockets

have

an

impedance

of

less

than

100

Ohms

and

can

be

used

with

balanced

or

unbalanced

loads,

600

ohms

or

greater.

Output

level

is

adjustable

(by

means

of

the

line-out

level

control)

up

to

+10dBm

for

OVU.

Three

possible

signals

are

available

at

the

output

dependent

upon

the

position

of

the

monitor

switch.

These

are:

line

-

the

input

signal

sync

-

during

replay

the

sync

signal

from

the

record

head.

In

record

the

input

signal

replay

-

the

signal

from

the

replay

head