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DA6 OPERATORS’ MANUAL

TECHNICAL SPECIFICATIONS

All Levels ref.+4dBm

INPUT IMPEDANCE

15K

 

MAX. INPUT LEVEL 

 Bal. +23.5dB 

Unbal. +18dB

 

MAX. OUTPUT LEVEL

 Bal. +22.5dB 

Unbal. +17.5dB  into  600

.

(Any output)

 

OUTPUT IMPEDANCE

33

 (electronically balanced)

 

NOISE 

Better than -95 dB
(Gain=0dB, Bandwidth  22Hz - 22kHz)

 

CROSSTALK

Better than -90dB @ 10kHz
(Input grounded, any channel output)

 

DISTORTION

@ 1kHz

Output    0dB better than 0.008%

+10dB better than 0.008%
+20dB better than 0.015%

BANDWIDTH

18Hz to 32kHz  -1dB

 

HEADPHONE AMPLIFIER Will deliver 1 Watt into 8

Recommended Headphone Impedance 8

 to 600

 

TRANSFORMER OPTION
Outputs fitted with specified transformer will have the following specification:-

Max. Input Level @ 40 Hz

+6dB for 0.5% THD.

Distortion @ 1 KHz

0 dB Output better than 0.008%

Bandwidth 10 K

 Load

20 Hz - 45 KHz

Insertion Loss

0.10dB (with 10 K

 load)

Bandwidth 600 

 Load

20 Hz - 33 KHz

Insertion Loss

0.67dB (with 600 

 load)

DCR Winding  1

6.9 

 + 7.6 

DCR Winding 2

11.6 

POWER REQUIREMENTS

115Volt or 230Volt at 50-60Hz, 30 Watts

 

FUSE RATING

160mA for 230Volt, 315mA for 115Volt
CONFORMING TO IEC127-2

 

FUSE TYPE

20mm x 5mm, Class 3 Slo-Blo, 250Volt Working

 

CASE SIZE

482mm (w) x 44mm (h) x 200mm (d)

 

WEIGHT (incl packaging)

4.05 Kgs.  (With all Transformers fitted 4.60 Kgs.)

Summary of Contents for DA 6

Page 1: ...FETY CONSIDERATIONS page 1 INTRODUCTION page 2 INSTALLATION page 2 HEADPHONES pages 1 4 ISOLATING TRANSFORMERS page 3 CONTROL DESCRIPTIONS page 6 IF A FAULT DEVELOPS page 8 CONTACTING DRAWMER page 8 T...

Page 2: ...number copy of the original sales invoice and a detailed description of the problem Drawmer will not accept responsibility for loss or damage during transit This warranty is void if the product has be...

Page 3: ...WITH IEC 127 2 THE FUSE BODY SIZE IS 20mm x 5mm CAUTION MAINS CABLE DO NOT ATTEMPT TO CHANGE OR TAMPER WITH THE SUPPLIED MAINS CABLE CAUTION SERVICING DO NOT PERFORM ANY SERVICING REFER ALL SERVICING...

Page 4: ...utput LED bargraph and can be simultaneously heard at the front panel headphone jack An auxiliary pair of balanced output jacks provide a facility to connect further DA6 units where even more distribu...

Page 5: ...signal screen on one end of each of the cables connecting the DA6 to the patchbay If such measures are necessary balanced operation is recommended ISOLATION TRANSFORMERS The DA6 has the capability of...

Page 6: ...n integral fuse drawer containing the power fuse and a spare both of the same value to suit the mains voltage for which the unit has been supplied Removal of the drawer is only possible with the power...

Page 7: ...C 4a Exchange the 160mA fuse for a similar type rated at 315mA For conversion to 230Volt AC previously set to 115Volt AC 4b Exchange the 315mA fuse for a similar type rated at 160mA In both cases 5 Re...

Page 8: ...sitive gain region of this display However ensure that the 15dB LED never illuminates other than for brief instances otherwise distortion will occur Output L R These controls should be used to set the...

Page 9: ...er H Phone This control determines the amount of headphone amplifier drive Caution should be used when using high output levels and low impedance headphones Output Display This display shows the stere...

Page 10: ...ginal 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...

Page 11: ...Watt into 8 Recommended Headphone Impedance 8 to 600 TRANSFORMER OPTION Outputs fitted with specified transformer will have the following specification Max Input Level 40 Hz 6dB for 0 5 THD Distortion...

Page 12: ...DA6 OPERATORS MANUAL BLOCK DIAGRAM...

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