Dual 1229 Q Handleiding

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Dual

Edition

June

1974

Technical

specifications

Power

source

Line

voltages

Drive

Power

consumption

Current

consumption

Dual

1229

Service

Manual

50

or

60

Hz

alternating

current,

selected

by

exchanging

motor

pulley

and

resetting

strobos-

cope

110—

130

volts

or

220

—

240

volts,

svvitchable

Dual

synchronous/continuous-pole

motor,

with

radial

elastic

suspension

approx.

10W

at

220

volts,

50

Hz

approx.

62

mA

at

117

volts,

60

Hz

approx.

115

mA

Turntable

platter

nonmagnetic,

dynamically

balanced,

weight

3.1

kg,

diam.

305

mm

Turntable

speeds

33

1/3,45

and

78

rpm

Pitch

control

Range

of

variation,

one

semitone

(6%),

on

all

three

speeds

Stroboscope

For

33

1/3

and

45

rpm

speeds.

I

Iluminated

by

special

neon

glow

lamp

Speed

variation

<

±

0.06%

according

to

DIN

45

507

Noise

Rumble

42

dB

below

standard

signal

Measured

according

to

DIN

45

500

Weighted

audible

rumble

63

dB

below

standard

signal

Tonearm

Torsionally

rigid,

extra-long

tubular

tonearm

in

four-point

gimbal

type

bearing

Maximum

tracking

error

0.16°/cm

Tonearm

bearing

friction

vertical

<

0.007

gram

(referred

to

stylus

tip)

horizontal

<

0.015

gram

Tonearm

head

Removable,

accepts

all

cartridges

weighing

2

to

10

grams

and

having

standard

1/2"

moun-

(cartridge

holder)

ting

centers

Weight

7.2

kg

unpacked

Mounting

dimensions

and

mounting

board

cut-out

see

installation

instructions

Dual

Gebrüder

SteldInger

•

7742

St.

GeorgenISchwarzwald

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