Drawmer DL241 Скачать руководство пользователя страница 14 | Manualshive

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DL241 OPERATORS’ MANUAL

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BLOCK DIAGRAM

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Содержание DL241

Страница 1: ...NUAL CONTENTS SAFETY CONSIDERATIONS page 1 INTRODUCTION page 2 INSTALLATION page 3 CONTROL DESCRIPTIONS page 5 OPERATION page 8 IF A FAULT DEVELOPS page 10 CONTACTING DRAWMER page 10 TECHNICAL SPECIFI...

Страница 2: ...umber 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 bee...

Страница 3: ...INPUT VOLTAGE SWITCH IS SET TO 230 VOLTS AC AND 63mA WHERE THE MAINS INPUT VOLTAGE IS 115 VOLTS AC ALL FUSES MUST COMPLY WITH IEC 127 2 THE FUSE BODY SIZE IS 20mm x 5mm CAUTION MAINS CABLE DO NOT ATTE...

Страница 4: ...used The accepted way of dealing with this problem is to include in the compressor a separate expander section with its own threshold control so that a low level gating action may be applied to keep p...

Страница 5: ...compatible with mono jacks The mono jack actually shorts the cold terminal to ground For the DL241 units fitted with XLR connectors unbalanced operation is achieved by shorting pin 3 of the XLR conne...

Страница 6: ...voltage which is different to that as supplied the following procedure must be carried out see following diagram 1 Disconnect the unit from the mains 2 Using a number 1 size pozidrive screwdriver remo...

Страница 7: ...ote because the expansion ratio varies with signal level it is possible to arrive at a situation where the red expansion LED may be illuminated when little or no perceived gain reduction is taking pla...

Страница 8: ...he rate at which the compressor will respond to input signals that exceed the threshold level This may be set in the range 0 5mS to 100mS Release Sets the rate at which the system gain returns to norm...

Страница 9: ...y fast acting enabling it to control any peaks without audible distortion If the output signal is so high as to cause the limiter to operate for more than 20mS the system gain is automatically reduced...

Страница 10: ...ly by observing the gain reduction meter In general a maximum gain reduction of between 8dB and 12dB will be adequate If more gain reduction appears necessary consider applying a conservative degree o...

Страница 11: ...mme dynamics it should be possible to obtain far more satisfactory results than are possible with conventional expanders By the same token do not assume that because the expander threshold LED flicker...

Страница 12: ...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 protect...

Страница 13: ...th Expander Off Wideband 22Hz 22KHz CCIR ARM IEC A Q Pk CCIR AV 90dB 95dB 95dB 97dB 84dB RMS 88dB 93dB 93dB 95dB 82dB DISTORTION 100Hz 1KHz 10KHz Unity Gain 4dBu input 0 03 0 02 0 03 14dBu input 10dB...

Страница 14: ...DL241 OPERATORS MANUAL 12 BLOCK DIAGRAM...

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