Technics SLD 21 Service Manual

Page 1

ORDER NO. 8082062199C8

Service Manual

Turntable System

SL- D21y/(K)

[E], [EK], [XL], [EG], [EB]
[EFL [XA], [XM], [EH], [E i], [EC]

Areas

r . . . . . .
' [E] is available in Swrtzerland and Scandinavra.

* [EK] is available in United Kingdom.

' [XL] is available in Australia,

' [56} is available in F.R. Germany.

* [E8] is available in Belgium.

' [EF] is available in France.

' [XA] is available in Southeast Asia, Oceania, Africa,
Middle Near East and Central South America.

' [XM] is available in Central Scuth America.

' [EH] is available in Holland.

*The colors of this model include silver and black.
The black type model is provided with (Kl in the
Service Manual.

L ' [Eil is available in Italy.
English \ [EC] l5 available in Czechoslovakia. )
Specifications Specifications are subiect to change without notice for further impr0vement.
Weight and dimen5ions shown are apprommate.
I General I Tonearm section
Power supply: 220V. 50 or 60 Hz Type: Statically~balanced straight
Power consumption: 7 w tonearm

Brushless DC Servo

F-G servo control

Aluminum die-cast

Diameter 31.2 cm

33-1.!3 rpm and 45 rpm

0.012% WRMS'

0.025% WRMS (JlS 05521)
:0.035°/o peak

(IEC 98A Weighted)

'This rating refers to turntable assembly alone. excluding
effects of record. cartridge or tonearm. but including
platter. Measured by obtaining signal from built-in fre-
quency generator of motor assembly.

Rumble: ~56 dB 50 98A Unweighted)
-78 dB (IEC 98A Weighted)

Motor:
Drive control method:
Turntable platter:

Turntable speeds:
Wow and flutter:

Cartridge section
Type:

Magnetic circuit:
Frequency response:

Output voltage:

Channel separation:

Channel balance:

Recommended load
impedance:

Compliance (dynamic):
Stylus pressure range:

Weight:
Replacement stylus:

Dlmenstons: 43 x 11 x 37.5 cm Plug-in connector cartridge
(WXHX D) (16-5/16" X 4-11/32" X 14-3/4) Effective length: 230 mm (9-1/16")
Maxrmum height when top Overhang: 15 mm (19.82")
(dust cover) IS open. Tracking ermr angle: Within 2°32 at the outer gr00ve
43 x 37 x 42 5 cm of 30 cm (12") record
(16-15/16 14-9/16" :-» 16-23/32") Within 0°32 at the inner groove
Weight: 4.4 kg of 30 cm (12") record
Ettective mass: 7,5 g (with0ut cartridge)
I Turntable section Stylus pressure
Type: Automatic turntable adjustment range: 1 25 ' 0.25 9
Auto return Applicable cartridge
Auto stop weight range: 6 9
Drive method: Direct drive

M0ving magnet Stereo cartridge
All laminated core

10 Hz ~ 30 kHz

20 Hz = 10 kHz t1 dB

2 5 mV at 1 kHz. 5 cm/s zero to
peak lateral velocity

(7 mV at 1 kHz. 10 cmxs zero to
peak 45° velocrty [DIN 45 500])
22 dB at 1 kHz

Within 2 dB at 1 kHz

47 k0« 100 RC)

12 \ 10 " cm/dyne at 100 Hz
1.25 10.25 g (12.5 :25 mN)
6 g (cartridge only)
BPS-2408

Technics

Matsushita Electric Trading Co., Ltd.
PO. Box 288. Central Osaka Japan