Grundig TK 20 Manual de usuario

™

instructions

for

using

your

tape

recorder

fend

“"

“as!

Grundig

(Gt.

Britain)

Ltd.,

Grundig

(Great

Britain)

Ltd.,

Newlands

Park,

Sydenham,

London,

S.E.26

(Electronics

Division,

Gas

Purification

and

Chemical

Co.

Ltd.)

BEFORE

YOU

PLUG

IN.....--DO

THESE

THINGS....

Your

tape

recorder

left

the factory

set

for

operation

240

volts

AC.

Before

you

plug

check

with

Your

Grundig

Dealer

that

your

local

electricity

supply

within

this

range

(230-250

volts).

Ifit

not,

ask

him

adjust the

tape

recorder.

isa

simple

operation.*

Take

out

the

mains

lead

from

the

hinged

flap

underneath

the

TK20

and

fit

(or

have

fitted)

plug

suitable

for

the

sockets

you

have

your

home.

Please

don’t

push

the

bare

wires

into

socket.

isn’t

safe

and

rarely

gives

you

good

connection.

Assemble

the

Grundig

Condenser

Microphone.

This

very

easy.

The

base

plugs

(lightly)

onto

the

microphone

itself

(bayonet

plug)

and

the

lead

from

goes

into

the

socket

marked

the

back

panel

the

TK20.

will

only

fit

home

one

way.

There

little

guide

ridge

the

plug

which

engages

depression

the

socket.

Thread

the

tape.

Two

spools

are

supplied

with

your

TK20,

one

full

tape,

the

other

empty.

The

full

spool

fits

the

left

hand

spindle,

the

empty

one

the

right.

Hold

the

full

spool

your

hand

that

the

loose

end

the

*See

page

tape

hangs

down

the

left

side

the

spool.

Now

drop

the

spool

onto

the

left-hand

spindle,

turn

little

until

falls

into

place

and

held

securely

the

ridges

the

spindle.

Now

fit

the

empty

spool

onto

the

right-hand

spindle

the

same

way.

The

tape

has

now

fastened

the

empty

spool.

This

very

simple.

Make

sure

that

isn’t

twisted,

drop

into

the

sound

channel,

pass

between

the

flanges

the

spool

and

slip

the

end

into

the

slot

leaving

couple

inches

free.

Now

turn

the

empty

spool

anti-clockwise

(keeping

your

finger

the

end

the

tape)

until

all

the

metallised

strip

the

tape

fully

wound

round

the

hub

the

spool.

OPEN

OUT

THIS

PAGE

FOR

REFERENCE

AND

LEAVE

OPEN

YOU

READ

IMPORTANT

All

Grundig

machines

carry

serial

number

which

our

records

are

based.

You

will

notice

space

your

Application

for

Registration

Guarantee

which

you

should

insert

this

number.

the

TK20

this

number

will

found

blue

and

black

label

the

motor

frame

and

also

engraved

the

chassis,

these

numbers

are

visible

through

the

bottom

grille

and

commence

with

5014

followed

five

other

figures.

most

important

that

this

number

copied

correctly

your

card

and

quoted

all

correspondence.

This

picture

shows

the

deck

which

holds

the

controls

and

indicators....

THIS

THE

INPUT/OUTPUT

SOCKET

PANEL

THE

BACK OF

YOUR

TK20

eee.

This

what

they

are:

Recording

Level/Volume

Control.

This

used

when

recording

sound,

control

the

Quality

recording

and

control

the

Volume

when

playing

back.

On-Off

Mains

Switch.

Volume

Control

(when

recording,

for

TK20

loudspeaker),

Tone

Control

(when

playing

back),

Speaker

On-Off

Switch

(push-pull).

The

Selector

Switch.

This

Control

selects

any

these

functions:

Fast

Wind

Backwards.

This

position

enables

you

move

the

tape

fast

speed

backwards.

(red)

Stop.

Playback

and

Recording.

For

recording,

the

corresponding

Input

Selector

Button

(D)

has

depressed

whilst

moving

the

Selector

Switch

from

».

(red)

Temporary

Stop.

stops

the

machine

recording

playing

back

until

switched

back

position

™.

—

Fast

Wind

Forwards.

This

control

enables

you

move

the

tape

fast

speed

forwards.

Watch

this!

With

the

TK20

switched

off

the

Selector

Switch

should

always

position

The

Input

Selector

Buttons.

The

three

press

buttons

enable

you

select

any

one

the

three

different

types

inputs.

Microphone.

Radio

Loudspeaker

Gramophone

P.U.

Radio

Diode

Connection,

Telephone

Adaptor,

Amplifier

Output.

The

Input

Selector

Buttons

not

work

playback.

The

Magic

Eye.

This

the

Recording

Level

Indicator.

watching

you

can

tell

whether

not

you

are

making

good

recording.

Position

Indicator.

This

Indicator

enables

you

find

the

begin-

ning

any

particular

recording

straight

away.

While

putting

new

tape,

adjust

means

the

knurled

disc

(G)

Position

Indicator

zero

(000).

Zero

Adjustment,

for

Position

Indicator.

The

Sound

Channel.

The

tape

slipped

into

this.

contains

the

two

heads

which

actually

record

and

reproduce

the

sound

erase

recordings.

These

are

spindles

which

the

Tape

Spools

fit.

ALWAYS

PUT

THE

SELECTOR

SWITCH

Now

you

are

ready

record

your

voice

here

what

you

do....

RECORD

Plug

(and

make

sure

that

the

Mains

Switch

on).

Turn

R.H.

knurled

knob

(B)

clockwise

until

clicks.

Watch

Magic

Eye

(E)

light

up.

Press

Input

Selector

Button

(Microphone)

and

hold

down.

Adjust

Recording

Level

Control

(A)

until

the

two

halves

green

light

the

Magic

Eye

flutter

freely

when

you

speak

into

the

Microphone.

The

two

illuminated

sectors

should

just

meet

the

loudest

passages,

but

must

NOT

overlap.

Turn

Selector

Switch

(C)

position

™

whilst

still

keeping

button

down.

This

will

now

remain

locked

its

own

accord

and

the

tape

will

start

unwind

from

the

left-hand

spool

onto

the

right-hand

spool.

Speak

into

the

Microphone

and

whatever

you

say

will

recorded.

REWIND

THE

TAPE

Set

the

Selector

Switch

(C)

and

your

tape

will

run

back

speed

its

original

position

the

left-hand

spool.

stop

the

rewind

move

the

Selector

Switch

(C)

position

and

the

tape

will

stop.

PLAY

BACK

Now

move

the

Selector

Switch

position

and

your

record-

ing

will

play

back.

WHEN

YOU

FINALLY

SWITCH

OFF

YOUR

TK20

First:

Second:

Third:

Fourth:

Fifth:

Sixth:

Now

learn

little

You

have

recorded

your

voice

and

made

yourself

least

slightly

familiar

with

the

controls.

You

know

that

your

TK20

working

and

that

you

can

operate

it.

Don’t

worry

this

stage

you

forget

things.

very

short

while

you

will

using

the

controls

with

complete

confidence.

One

two

additional

items

then,

about

getting

good

recordings

from

the

microphone:

Keep

the

Microphone

far

you

can

from

the

tape

recorder.

The

Micro-

phone

sensitive

and

keeping

too

the

‘TK20

makes

pick

.‘‘background”’

noises.

You

may

have

found

that

when

you

turned

the

Recording

Level

Control

(A)

beyond

certain

point

“howl”

emitted

from

the

Speaker.

This

due

acoustic

feed-back.

You

can

stop

simply

switching

off

the

Speaker

with

the

right-hand

knurled

knob

(B).

Try

now.

You

will

find

that

addition

rotating

clockwise

and

anti-clockwise

this

knob

also

moves

and

down.

Pull

and

switches

off

the

Speaker.

But

remember

push

down

again

when

you

want

play

back.

If,

while

you

are

recording,

you

want

pause

for

few

seconds

you

can

this

turning

the

Selector

Switch

(C)

the

position

marked

with

red

dot.

This

gives

you

temporary

stop.

The

tape

spools

will

stop

until

the

control

turned

back

position

».

break

interruption

will

registered

the

tape.

Try

the

Position

Indicator.

You

will

notice

that

tape

runs

through,

the

numerals

the

Indicator

(F)

move.

you

memorise

make

note

the

Indicator

reading

which

your

recording

began

you

can

always

back

that

point

when

you

wish

play

back.

The

knurled

disc

(G) enables

you

set

the

numbers

zero

(000)

when

you

start

fresh

tape.

When

playing

back

...

The

Recording

Level

Control

(A)

becomes

the

Volume

Control.

The

knurled

knob

(B)

becomes

the

Tone

Control.

You

may

perhaps

find

convenient

set

your

Recording

Level

before

making

recording

without

having

hold

down

the

appropriate

Input

Selector

Button

(D)

the

same

time.

You

can

this

quite

easily

rotating

the

Selector

Switch

(C)

from

its

stop

position

(O)

the

Temporary

Stop

(e).

With

the

tape

stopped

this

way

you

can

adjust

the

Recording

Level

Control

(A)

until

the

loudest

passages

the

two

sections

the

Magic

Eye

(E)

just

meet

but

not

overlap.

start

your

recording

you

must

now

turn

the

Selector

Switch

from

(O)

the

Temporary

Stop

(@).

The

best

thing

now

familiarise

yourself

with

the

controls

and

experiment

with

the

various

settings

until

you

achieve

first

class

recordings

all

the

time.

You

won’t

waste

tape—you

can

use

the

same

section

over

and

over

again.

Each

new

recording

automatically

erases

the

one.

Now

for

music

How

Record

Radio

Broadcasts:

There

are

three

ways

recording

music

from

the radio:

(A)

microphone

placed

front

the

radio

loudspeaker,

(B)

connecting

the

TK20

lead

from

the

extension

loudspeaker

sockets

the

back

the

radio.

(C)

means

of a

Diode

Connection

(see

page

13).

Take

(A)

the

simplest

method,

first.

Place

the

microphone

front

the

loudspeaker

cabinet

and

arrange

the

TK20

that

far

awayfrom

the

microphone

the

lead

allows.

Switch

the

radio

and

adjust the

volume

and

quality

suit

your

taste.

Switch

the

TK20

turning

knob

(B),

clockwise,

and

with

the

same

knob

(B)

pulled

up,

switch

off

the

TK20

speaker.

Now

push

the

Input

Selector

button

marked

(microphone)

and

hold

down.

Rotate

the

Recording

Level

Control

(A)

slowly

until

the

two

illuminated

sectors

the

Magic

Eye

just

touch

the

loudest

passages.

Whilst

keeping

the

Input

Selector

button

down,

turn

the

Selector

Switch

pw.

This

will

lock

button

and

commence

the

recording.

You

need

nothing

now

until

you

have

recorded

all

you

want.

How

Rewind

the

Tape:

When

you

have

finished

making

your

recording,

that

part of

the

tape

which

carries

has

been

trans-

ferred

from

one

spool

the

other

and

before

you

can

listen

what

you

have

recorded

you

have

send

the

tape

back

its

original

position.

All

you

have

set

the

Selector

Switch

(C)

position

and

your

tape

will

run

from

right

left

fast

speed.

Let

run

until

the

numbers

the

Position

Indicator

are the

same

when

you

began

the

recording.

Stop

the

Rewind:

Move

the

Selector

Switch

(C)

position

and

wait

until

the

tape

has

stopped

running.

How

play

Back:

Push

down

knurled

knob

(B)

(to

switch

the

TK20

speaker).

Move

the

Selector

Switch

(C)

position

and

the

playback

will

be heard

through

the

TK20.

Adjust

tone

and volume

your

liking.

Practice

will

Help:

Once

again

you

will

want

experiment

and

have

few

practice

runs

get

the

best

results

and

become

familiar

with

the

technique.

Remember

you

can

keep

using

the

same

tape

over

and

over

again.

OTHER

METHODS

RECORDING

MUSICAL

BROADCASTS

You

may

have

noticed

some

sounds

the

tape

addition

the

actual

broadcast:

coughs,

perhaps,

the

sound

yourself

whistling.

Obviously

this

because

the

Microphone

front

the

radio

loudspeaker

can

pick

noises

from

other

sources

than

the

radio.

You

might

feel

that

the

quality

the

recording,

while

good,

could

bettered

(this

probably

because

the

room

which

you

are

recording

absorbing

and

playing

tricks

with

the

sound

coming

from

the

radio

speaker).

This

where

the

two

other

methods

mentioned

the

beginning

this

section

come

in—

connecting

the

lead

from

the

extension

loud-

speaker

socket

the

back

the

radio.

means

Diode

Connection.

Both

are

methods

whereby

the

radio

connected

directly

the

tape

recorder

without

using

microphone.

both

cases

the

room

conditions

extraneous

noises

are

avoided.

both

cases

you

require

special

lead.

has

plug

one

end

which

fits

into

the

socket

marked

)

(method

the

back

panel

of the

TK20

and

two

small plugs

the other

end

which

fit

into

the

“Extension

Loudspeaker’

socket

the

back

the

radio

(or

similar

three

plug

when

used

con-

junction

with

Grundig

Radio,

fitted

with

Diode

output).

The

actual

recording

radio

programme

these

methods

the

same

for

microphone

recordings

except

that

the

Input

Selector

button

marked

used

for

method

[Jf

for

method

ec.

You

may,

you

wish,

switch

the

internal

loudspeaker

your

TK20

whilst

you

are

actually

recording.

Push

down

the

knurled

knob

(B)

and

rotate

clockwise.

now

acting

Volume

Control

for

the

loudspeaker

your

TK20,

but

does

not

in-

fluence

the

quality

its

recording.

HOW

PUT

GRAMOPHONE

RECORDS

TAPE

should

pointed

out

that

the

taping

gramophone

disc

infringement

the

held

the

manufacturers

that

disc.

Many

people,

however,

have

disc

records

which

exists

and

which

they

may

wish

record.

Here

the

method.

Connect

the

leads

from

the

P/U arm

Grundig

three

plug

(your

Grundig

dealer

can

supply

it)

and

insert

the

socket

marked

the

back

panel

the

TK20.

Start

the

record

player

and

switch

the

TK20.

Push

Input

Selector

button

£)

and

hold

down

while

setting

the

recording

level

(watch

the

Magic

Eye).

When

this

set,

turn

Selector

Switch

(C)

position

still

holding

Input

Selector

button

down.

This

will

now

remain

locked

and

the

TK20

will

start

record.

Leave

running,

return

Pick-Up

arm

the

beginning

the

disc

and

note

the

numeral

reading

the

Position

Indicator

when

the

disc

begins

play.

Playing

back

the

tape

through

Radio

Amplifier

Radiogram,

and

adding

extension

Loudspeaker

the

TK20

you

wish

play-back

your

tape

through

the

pick-up

sockets

your

radio,

additional

amplifier

radiogram,

then

connect

them

the

red

and

black

terminals

the

Output

lead

type

(obtainable

from

your

Grundig

dealer).

The

three

plug

this

lead

should

then

connected

the

Output

Socket

the

back

your

TK20.

From

the

yellow

and

black

terminals

the

cable

type

Low

Impedance

Output

available

which

can

connected

Extension

Loudspeaker;

all

other

controls

still

carry

out

their

normal

function.

When

you

have

finished

recording—

Rewind

the

tape

setting

Selector

Switch

(C)

position

—.

Stop

the

Rewind

setting

Selector

Switch

(C)

position

(red

circle).

Playback

setting

Selector

Switch

(C)

position

™.

Filling

the

blanks

There

are

several

things

you

need

know

and

this

section

covers

them.

What

when

you

reach

the

end

the

tape

spool.

Your

TK20

designed

for

use

with

twin

track

tape.

other

words,

recording

takes

place

one

half

the

tape

only

runs

past

the

Recording

Head.

This

means

that

when

you

reach

the

end

your

first

spool

(over

hour’s

continuous

recording

per

1,200

ft.

spool)

you

still

have

the

same

length

left

which

record.

Changing

over

the

other

track

very

simple.

Free

both

the

spools

their

spindles,

lift

them

free

the

tape

from

the

sound

channel

and

turn

both

spools

right

over

that

the

right-

hand

spool

becomes

the

left-hand

spool.

Fit

onto

spindles.

This

should

mean,

that

once

again

your

full

spool

the

left

and

your

empty

spool

the

right.

Thread

the

tape

through

the

sound

channel

and you

are

ready

record

again.

Automatic

Stop.

Each

end

the

Grundig

tape

your

TK20

fitted

with

special

metallised

strips

which

cause

the

driving

motor

cut

off

automatically

when

the

metallised

strip

passes

through

the

recording

channel.

When

the

tape

your

TK20

has

been

stopped

this

way

2¢

necessary

set

the

Selector

Switch

(C)

order

switch

the

motor

again.

How

to fast

wind

forwards.

You

have

already

used

the

fast

wind

backwards

and

are

familiar

with

it.

Sometimes,

however,

when

you

want

select

section

previously

recorded

tape

towards

the

end

spool

you

will

need

use

forward

fast

wind.

All

you

have

for

this

turn

the

Selector

Switch

(C)

via

position

and

(intermediate

stop)

How

play

tape

recordings

back

through

your

Radio.

you

wish

this,

connect

Grundig

Spare

Lead

from

the

socket

marked

the

back

the

TK20

the

P/U

Input

sockets

the

back

your

Radio

Radiogram

and

play

back

the

normal

way.

Editing

the

Tape.

you

wish

keep

only

certain

parts

your

recordings

the

tape,

any

part of

can

cut

out;

the

two

ends

the

tape

remaining

the

spool

can

easily

rejoined

with

special

adhesive

tape.

The

part

required

should

cut

off

with

oblique

cut

from

the

main body

the

tape

and

stored.

stick

the

loose

ends

together,

line

the

cut

edges

the

tape,

making

sure

that

the

joint

straight

and

that

the

tape

does

not

form

kink.

Stick

approximately

inch

the

adhesive

tape

over

the

back

the

tape

and

press

well

together.

Afterwards

trim

off

the

excess

adhesive

tape

with

scissors.

Keeping

Recordings.

piece

recorded

tape

whole

reel

can

stored

indefinitely

with

ill

effect

the

recording,

but

you

will

well

advised

store

recorded

tape

carefully,

and

identify

it.

You

will

find

that

Grundig

tape

boxes

have

ample

space

which

mark

the

titles.

How

record

Telephone

Conversation.

The

Grundig

Telephone

Adaptor

[see

page

15]

makes

possible

record

both

sides

telephone

conversation.

The

plug

the

Adaptor

fits

into

socket

[fin

the

back

panel

the

TK20

and

the

rubber

disc

[slightly

moistened]

pressed

the

telephone

the

best

position.

Different

types

telephone

each

require

different

position;

this

how

locate

it.

(1)

Plug

the

Adaptor

into

the

socket

and

switch

with

the

TK20

placed

that

least

ft.

from

the

telephone.

(2)

Press

Input

Selector

Button

[¥

and

turn

Volume

Control

(B)

convenient

level.

(3)

Lift

the

telephone

handset

that

the

dialling

tone

heard

and

move

the

Adaptor

slowly

round

the

base

the

instru-

ment

with

the

rubber

disc

just

touching.

The

Magic

Eye

will

flutter

and

the

dialling

tone

will

heard

through

the

TK20

speaker.

(4)

When

the

Magic

Eye

registers

its

maximum

deflection

and

the

dialling

tone

heard

through

the

speaker

its

loudest

you

have found

the

right

position.

Fasten

the

Adaptor

this

point.

the

case

manual

exchanges

the

co-operation

caller

necessary

provide

continuous

source

sound

the

absence

the

dialling

tone.

Listening

Privacy.

Just

connect

the

Grundig

Stethoscope

Earphone

[see

page

15]

the

Output

Socket

the

TK20.

you

find

necessary

erase

tape

portion

tape

quickly

without

actually

making

further

recording,

then

this

what

you

do:—

Put

the

full

recorded

tape

the

L.H.

Spindle

(or

ensure

that

the

part

you

wish

erase

the

left

the

Sound

Channel)

Remove

all

Input

Plugs.

Set the

Selector

Switch

Fast

Wind

Forward

and

depress

any

Input

Selector

Button

(D).

long

this

button

held

depressed,

all

the

tape

which

now

passing

through

the

Sound

Channel

fast

speed

fully

erased.

MAINS

VOLTAGE

ADJUSTMENT

your

own

Mains

Voltage

Supply

differs

from

that

given

the

first

page

this

Instruction

Book

(230-250

volts

A.C.)

then

becomes

necessary

re-set

the

Mains

Voltage

Tapping

Panel,

which

found

under

the

top

deck

the

TK20

the

top

left-

hand

corner.

MAKE

QUITE

SURE

THAT

YOUR

TK20

DISCONNECTED

FROM

THE

MAINS

SUPPLY.

Remove

the

right-hand

knurled

knob

(B)

undoing

its

fixing

screw

with a

small

screwdriver.

Lift

off

the

Recording

Level/Volume

Control

(A).

Now

pull

off

the

left-hand

Selector

Switch

(C).

unscrew

the

four

coin

slotted

Brass

Screws

which

still

hold

the

Top

Deck,

then

lift

off

the

Top

Deck

of the

TK20.

The

Mains

Voltage

Selector

Panel

the

top

left-hand

corner

and

the

different

Voltage

Settings

available

are

marked

the

little

square

panel.

Unscrew

the

small

screw

from

its

240

volt

position

and

replace

this

into

the

voltage

figure

closest

your

own

Mains

Supply.

The

range

over

which

the

voltage

setting

most

effective

shown

the

first

item

the

‘Technical

Specification’

this

Booklet.

THE

DIODE

CONNECTION

install

the

Diode

Connection

your

radio

set,

you

will

need

two

resistances,

one

between

and

megohms

(not

critical)

and

the

other

between

50,000

and

100,000

Ohms.

These

are

connected

the

Volume

Control

shown

the

drawing

below

and

then

taken

screened

lead

the

TK20,

preferably

co-axial

Socket

jack

the

Radio

Chassis.

p.c.

present

the

Volume

Control,

the

.o25

mfd.

condenser

should

added

between

the

Volume

Control

and

the

1-2

megohm

resistance,

and

very

long

lead

used

for

connection

the

Radio,

the

condenser

should

be added.

When

using

this

system

advantage

that

the

Input

of the

TK20

inde-

pendent

the

volume

setting

the

Radio.

r--4

(-2Ma

DIODE

INPUT

WY)

TK20

FROM

L--4

| 1

DIODE

‘O25yuF

r--4

SCREENED LEAD

AUDIO

35pF

| .

STAGES

OLUME

CONTROL

36-100

CHASSIS

ADDITIONAL

CIRCUIT

MAINTENANCE

After

many

hours

use

you

may

notice

that

sounds

which

should

have been

completely

erased

when

new

recording

made

are

still

present

faint

‘ghost’

and

that

reproduction

the

higher

frequencies

tends

weak.

This

because

microscopic

par-

ticles

tape

are

sticking

the

magnetic

head.

The

front

the

head

should

cleaned

with

small

piece

wood

such

match

orange

stick,

after

first

removing

the

front

cover

front

the

sound

channel

(by

pulling

upwards).

All

the

head

assemblies

are

then

accessible

and

may

carefully

cleaned.

also

advisable

inspect

the

rubber

pressure

roller

ensure

that

clean,

and

has not

accumulated

small

particles

of dust

tape.

must

point

out

that

your

TK20

Tape

Recorder

a very

delicate

precision

instrument

and

account

should

you

carry

out

any

other

adjustments

repairs

yourself.

with

all

precision

instruments

will

require

certain

amount

main-

tenance

after

many

hours

use

and

this

should

only

done

competent

Service

Engineer.

STANDARD

TAPE

LONG

PLAYING

TAPE

000

050

100

200

250

300

350

400

Chart

running

time

os0

Feo

for

950

MINUTES

felele)

MINUTES,

Standard

and

L.P.

Tapes

pos.

INDICATOR

ACCESSORIES

FOR

YOUR

STETHOSCOPE

EARPHONE

TELEPHONE

ADAPTOR

CONNECTING

LEAD

MICROPHONE

GRUNDIG

CHANNEL

ELECTRONIC

MIXER

UNIT

SPOOLS

SPARE

SPOOL

in.

SPARE

SPOOL

in.

PLUG

EXTENSION

LEADS

Type

STET.3

for

listening

privacy

and

transcribing

Price

guineas

TA3

. . .

Price

guineas

Type

SL.3

for

all

input

connections

the

TK20

low

impedance

output

connections

Price

8s.

6d.

Type

SL.33

for

all

input

connections

the

TK20

high

low

impedance

output

connections

Price

tos.

6d.

Type

SL.233

for

use

between

TK20

and

Grundig

radio

fitted

with

Diode

connection.

. .

Price

15s.

od.

G.D.M.III.

High

impedance

moving

coil

Microphone

for

quality

recordings

Price

guineas

Type

GMU3.

Price

guineas

850

ft.

Grundig

Recording

Tape

Reel

Type

T.2

fitted

with

Automatic

Stop

Foils

Price

£1

1,200

ft.

Grundig

Polyester

L.P.

Recording

Tape

Reels

Type

TLP.2

fitted

with

Automatic

Stop

Foils

Price

£1

Type

SS.2

. . .

Price

5s.

6d.

Type

88.4...

Price

4s.

6d.

For

all

input

output

connections

Price

5s.

od.

For

GCM.3

Microphone.

MEC.5.

yds..

Price

30s.

od.

MECG.10.

yds..

Price

937s.

6d.

MECG.15.

yds..

Price

45s.

od.

TECHNICAL

SPECIFICATION

THE

TAPE

RECORDER

MAINS

VOLTAGES

CONSUMPTION

MAINS

FUSES

H.T.

FUSES

VALVES

RECORDING

LEVEL

METER

TAPE

SPEED

RECORDING

SENSE

FREQUENCY

RESPONSE

SIGNAL

NOISE

RATIO

WOW

AND

FLUTTER

H.F.

BIAS

FREQUENCY

ERASE

DAMPING

AMPLIFIER

OUTPUT

LOUDSPEAKER

INPUT

SOCKETS

FOR

OUTPUT

SOCKETS

FOR

TAPE

LENGTH

RUNNING

TIME

(per

tape)

Suitable

for

A.C.

only

110-125,

190-210,

210-230,

230-250

volts,

50c/s.

Approximately

Watts.

6oomA

(110-125V);

4oomA

(190-250V).

1oomA

surge

resisting.

86,

ECC

81,

95,

Plus

Metal

Rectifiers.

Magic

Eye.

ins/sec.

Top

Track

(International

Standard).

60c/s—1okc/s;

—4

5db.

Better

than

45db.

Better

than

0.2%.

78kc/s.

Better

than

6odb

(Ferrite

Erase

Head).

2.5

Watts.

Elliptical

high

flux

permanent

magnet

moving

coil

in.

Microphone.

Diode

Connection.

Radio

L.S.,

Gram

P.U.

Extension

Loudspeaker

(3-7

Ohms).

External

Amplifier

(High

Impedance

Output).

1,200

ft.

(Grundig

type

TLP

2).

minutes.

(reverse

tape

spool

end

first

track

record

reproduce

second

track).

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