Dual 1229 Q - User Manual

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
Download from www.dual.de
Not for commerical use

Dual 1229 Q Specifications

General

Brand	Dual
Model	1229 Q
Category	Turntable
Language	English

Summary

Technical Specifications

Power and Drive Details

Covers power source, line voltages, drive motor, and consumption figures.

Turntable Performance Metrics

Details platter, speeds, pitch control, and speed variation capabilities.

Tonearm and Noise Characteristics

Includes noise ratings, tonearm specs, tracking error, and bearing friction.

Physical and Mounting Data

Covers tonearm head, weight, and mounting dimensions for installation.

Motor and Drive System

Motor Pulley Selection Guide

Information on choosing the correct motor pulley for specific line frequencies.

Stroboscope and Speed Adjustment

Stroboscope Bulb Troubleshooting

Addresses issues related to the stroboscope lamp not illuminating.

Pitch Control and Speed Issues

Rumble and Speed Accuracy Troubleshooting

Discusses rumble issues and achieving correct speed with pitch control.

Tonearm and Bearing Assembly

Tonearm Balancing and Stylus Force Setting

Instructions for balancing the tonearm and setting stylus force.

Tonearm Bearing Replacement Steps

Detailed procedures for replacing the tonearm and bearing assembly.

Anti-Skating Device and Adjustment

Tonearm Bearing Reassembly Procedures

Step-by-step instructions for reassembling the tonearm bearing.

Tonearm Movement and Set-down

Vertical Tonearm Movement Impediments

Discusses factors impeding vertical tonearm movement during set-down.

Tonearm Lift and Control Mechanism

Tonearm Lift Operation Details

Explains the tonearm lift function and height adjustment procedures.

Start Cycle and Record Drop Troubleshooting

Set-down Point Adjustment Procedure

Guidance on how to adjust the set-down point for records.

Manual Operation and Switching Functions

Stop Switching and Muting Switch

Explains stop switching logic and the purpose of the muting switch.

Automatic Cycling and Shut-off

Shut-off Mechanism Operation Guide

Explains how the automatic shut-off mechanism operates.

Change Cycle Malfunctions

Turntable Stops After Setdown Troubleshooting

Troubleshooting steps when the turntable stops unexpectedly.

Operational Issues and Tonearm Behavior

Switch Lock and Lift Malfunctions

Troubleshooting switch locking issues and tonearm lift malfunctions.

General Troubleshooting and Muting Adjustments

Muting Switch Adjustments and Single Play

Deals with muting switch adjustments and single-play operation problems.

Lubrication and Maintenance Guide

Recommended Lubricant Types

Lists specific lubricant types recommended for turntable maintenance.