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10

DRAWMER

 1973 O

PERATOR’S 

M

ANUAL

CHAPTER 3

IF A FAULT DEVELOPS

For warranty service please call Drawmer Electronics Ltd. or
their nearest authorised service facility, giving full details of
the difficulty.

A list of all main dealers can be found on the Drawmer
webpages.

On receipt of this information, service or shipping instructions
will be forwarded to you.

No equipment should be returned under the warranty without
prior consent from Drawmer or their authorised representative.

For service claims under the warranty agreement a service
Returns Authorisation (RA) number will be issued.
Write this RA number in large letters in a prominent position
on the shipping box. Enclose your name, address, telephone
number, copy of the original sales invoice and a detailed
description of the problem.

Authorised returns should be prepaid and must be insured.

All Drawmer products are packaged in specially designed
containers for protection. If the unit is to be returned, the original
container must be used. If this container is not available, then
the equipment should be packaged in substantial shock-proof
material, capable of withstanding the handling for the transit.

CONTACTING DRAWMER

Drawmer Electronics Ltd., will be pleased to answer all
ap plic atio n qu estion s to enh an ce you r usag e of this
equipment. Please address correspondence to:

Drawmer (Technical Help line)
Coleman Street
Parkgate
Rotherham
S62 6EL
UK

Alternatively contact us by E-mail on :

for sales enquiries: [email protected]

or for technical issues: [email protected]

Further information on all Drawmer dealers, Authorised service
departments and other contact information can be obtained
from our web pages on:

http://www.drawmer.com

GENERAL INFORMATION

INPUT

Input Impedance

20k Ohms or greater

Maximum Input Level

+26dBu

OUTPUT

Output Impedance

100 Ohms

Maximum Output Level

+25dBu into 10k Ohms Load

FREQUENCY RESPONSE

<5Hz to 51kHz -1dB
<3Hz to 70kHz -3dB

CROSSTALK

< -80dB @ 1kHz

NOISE AT UNITY GAIN

with flat EQ response switched in circuit

W ideband

22Hz - 22kHz

AV

  -82dB

     -87dB

1973 

THREE-BAND STEREO FET COMPRESSOR

 DATA SPECIFICATION

% DISTORTION (THD & NOISE) 

@ 1kHz

0dB (ref +4)

0.03%

10dB (ref +4)

0.07%

20dB (ref +4)

0.5%

POWER REQUIREMENTS

230Volt or 115V at 50-60hZ, 60VA

FUSE RATING

T250mA for 230Volt,
T500mA for 115Volt
Conforming to IEC 127-2

FUSE TYPE

20mm x 5mm, Class 3 Timed-Blo, 250Volt working

CASE SIZE

482mm (W) x 88mm (H) x 270mm (D)

WEIGHT

4.2Kgs

Содержание 1973

Страница 1: ...n Chapter 1 Introduction Introduction Installation Power Connection Audio Connections Chapter 2 Control Description Control Description Quick Setup Procedure Chapter 3 General Information If a fault develops Contacting Drawmer Specification Block Diagram Recall Sheet 2 2 3 4 4 5 6 9 10 10 10 11 12 ...

Страница 2: ...WARRANTY SHALL BE REPAIR OR REPLACEMENT AS SPECIFIED HEREIN IN NO EVENT WILLDRAWMER ELECTRONICS LTD BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT IN THE PRODUCT INCLUDING LOST PROFITS DAMAGE TO PROPERTY AND TO THE EXTENT PERMITTED BY LAW DAMAGE FOR PERSONAL INJURY EVEN IF DRAWMER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Some stat...

Страница 3: ...ss band can add to the thickness and richness of the voice in the mid band raspiness is controlled whilst compression to the high band can give sizzle and definition to an otherwise bland voice In addition sibilance can easily be tamed In a mastering situation having independent control over each band can resolve a problem mix pulling out individual instruments brighten the brilliance air or make ...

Страница 4: ...ted fuse for the selected operation voltage in the IEC socket 230V T250mAand 115V T500mA 6 Re connect to mains power source Never disconnect the earth fromthe mains supply The 1961 is designed for standard 19 rack mounting and occupies 2U of rack space Fibre or plastic washers may be used to prevent the front panel becoming marked by the mounting bolts Care should be taken in the choice of positio...

Страница 5: ...erated in a balanced configuration The screens of the signal cables should be connected to the chassis connection on the XLR connector as opposed to connecting to pin1 The 1973 conforms to the EMC standards A typical setup for connecting the 1973 would be by the use of a Y lead between the two input and output xlr s on the rear of the 1973 and insert point for the respective channel of the desk th...

Страница 6: ...d separately without affecting the other and then summed back into a stereo signal again before output As you would imagine a multiband compressor could become a very intimidating beast due to the number of controls however the1973asbeen layed out to be as intuitive to use as possible Anyone familiar with the Drawmer 1960 s range the S2 and especially the S3 compressorsshould be immediately at hom...

Страница 7: ...vel has fallen below threshold The first three switch positions are fixed and provide progressively increasing release times while positions F ast M id and S low cause the release times to vary in a manner which automatically adapts to the dynamics of the incoming signal Gain 10 20dB all bands During compression the signal is attenuated gain may be required to produce the required output level In ...

Страница 8: ...ies that are required and so tune in to the low mid and high frequency settings using the cross over controls METERS VU Meter Two backlit moving coil VU meters monitor the level of the output signal Note To see the input level on the VU meters the Bypass switch should be on Pad Vu 10dB A two position switch adjuststhe meters to show either normal output level and for those working at hot output le...

Страница 9: ...pass switches for the various bands allows the operator to monitor only the frequencies that are required and so tune the low mid and high frequencies 4 Keeping an eye on the Gain Reduction Meters alter the Threshold level control for each band until the desired compression level is achieved a G R level up to 10dB is acceptable 5 Adjust the Gain control of each band until 0dB is reached on the Out...

Страница 10: ... proof material capable of withstanding the handling for the transit CONTACTING DRAWMER Drawmer Electronics Ltd will be pleased to answer all application questions to enhance your usage of this equipment Please address correspondence to Drawmer Technical Help line Coleman Street Parkgate Rotherham S62 6EL UK Alternatively contact us by E mail on for sales enquiries sales drawmer com or for technic...

Страница 11: ...11 DRAWMER 1973 OPERATOR S MANUAL BLOCK DIAGRAM 1973 ver 01 B 20 03 14 ...

Страница 12: ...12 DRAWMER 1973 OPERATOR S MANUAL ...

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