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Superscope PAC750, Руководство пользователя


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6

SPECIFICATIONS

MIXER

Input sensitivity

MIC HIGH ................................................................................................................................................................................................ 4mV
MIC LOW ............................................................................................................................................................................................... 40mV
LINE ................................................................................................................................................................................................... 1000mV

PHANTOM output voltage ......................................................................................................................................................................... DC 48V
Input

AUX in ...................................................................................................................................................................................... 1000mV/47k

Ω

Pre-Out Output Level / Impedance (PAC770 Only) .................................................................................................................. 200mV / 1.5kohm
System (RCA) Output Level / Impedance (PAC750 Only) ...................................................................................................... 1000mV / 1.5kohm
System (XLR) Output Level / Imnpedance (PAC750 Only) ...................................................................................................... 1000mV / 150ohm
EQ - MASTER & MIC/LINE

Low Band Center .................................................................................................................................................................................. 100Hz
Mid Band Center .................................................................................................................................................................................... 1kHz
High Band Center ................................................................................................................................................................................. 15kHz

POWER AMPLIFIER (PAC770 Only))

Power output (RMS Continuous <0.08% THD)

Stereo 8ohm Load ....................................................................................................................................................................... 90W + 90W
Stereo 4ohm Load ................................................................................................................................................................... 110W + 110W
Mono 8ohm Load .................................................................................................................................................................................. 210W

Frequency response ............................................................................................................................................................ 5Hz-30kHz (+/- 3dB)
Rated input level ...................................................................................................................................................................................... 0.5Vrms

TAPE DECK

Track System ........................................................................................................................................................................... 4 Track, 2 Channel
Record/Erasure system ................................................................................................................................................................ AC105kHz Bias
Head System (Rotary type combination)

Rec/Play ............................................................................................................................................................................... Hard metal alloy
Erase ..................................................................................................................................................................................... Dual gap ferrite

Motor System

Capstan .............................................................................................................................................................................. DC Servo Control
Reel ........................................................................................................................................................................................................... DC

Wow and Flutter (JIS weighted) ................................................................................................................................................................ <0.07%
Frequency Characteristics

Frequency responese (no Dolby NR)

type 

1

 (Normal position) .................................................................................................................................................. 40Hz-15kHz

±

3dB

type 

2

 (High position) ...................................................................................................................................................... 40Hz-16kHz

±

3dB

type 

3

 (Metal position) ..................................................................................................................................................... 40Hz-16kHz

±

3dB

Overall S/N (no Dolby NR, IEC-A WTD)

type 

1

 (Normal position) ...................................................................................................................................................................... 53dB

type 

2

 (High position) .......................................................................................................................................................................... 54dB

type 

3

 (Metal position) ......................................................................................................................................................................... 55dB

Dolby NR effect (B/C S/N improvement, CCIR-ARM WTD) .................................................................................................................. 9dB/18dB
Analog output

Output level .................................................................................................................................................................................. 500mV
Output impedance ............................................................................................................................................................................. 1k

Ω

CD

Channels ............................................................................................................................................................................................. 2 channels
Sampling frequency ................................................................................................................................................................................. 44.1kHz
Quantization .......................................................................................................................................................................... 16bit linear/channel
Error correction ............................................................................................................................... Cross-interleave read solomon code (CIRC)
D/A conversion ....................................................................................................................................................................... 1-bit linear/channel
Wow & flutter ........................................................................................................................................................................... Precision of quartz
Optical Readout System

Laser .......................................................................................................................................................................... GaAlAs semiconductor
Wavelength .......................................................................................................................................................................................... 780nm

Frequency Characteristics (Tempo control off)

Frequency response ...................................................................................................................................................... 20Hz-20kHz -1.5dB
Dynamic range ...................................................................................................................................................................................... 80dB
S/N ratio ................................................................................................................................................................................................. 70dB
Channel separation ............................................................................................................................................................................... 70dB
Distortion (THD 1kHz) ........................................................................................................................................................................... 0.05%

Analog output

Output level ....................................................................................................................................................................................... 2V RMS
Output impedance ................................................................................................................................................................................ 1.5k

Ω

COMMON PART:

Power Consumption

PAC770 ................................................................................................................................................................................................. 500W
PAC750 ................................................................................................................................................................................................... 30W

Dimensions

Width ............................................................................................................................................................................... 19 inches (483mm)
Height (4U) ........................................................................................................................................................................ 7 inches (180mm)
Depth ............................................................................................................................................................................... 18 inches (455mm)

Net Weight ................................................................................................................................................................ PAC770 .. :

39.7 lbs (18kg)

PAC750 :

26.4 lbs (12kg)

These specifications represent design standards, Higher levels of performance can be expected under most conditions.

Subject to change without prior notice.

Содержание PAC750

Страница 1: ...SET A B TIME L DOLBY NR CD TAPE REPEAT R OFF B C PAC770 PROGRAM MEMO DOLBY B C NR HX PRO 2 STEREO PRESET REM TOTAL TRACK REPEAT1 PROGRAM AUTO kHz MEMO A B MEMO HX DUBB NR DOLBY MHz PRO BC H SP 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 3 0 3 6 10 15 20 R L 20 HP LEVEL HEADPHONE HP SELECT POWER SYSTEM AUX CD TAPE MIC LINE TAPE CD DUCKING REDUCTION GAIN 15 CD TAPE AUX OFF ON AUTO VOICE MIC LINE...

Страница 2: ... This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interfer ence in a residential installation This equipment gener ates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruc tions may cause ...

Страница 3: ...e the flow of air through the ventilation openings 10 Heat The appliance should be situated away from heat sources such as radiators heat registers stoves or other appliances including amplifiers that produce heat 11 Power Sources The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance 12 Grounding or Polarization T...

Страница 4: ...alified service person should remove the cover or attempt to service this device due to possible eye injury CAUTION USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURE OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE ...

Страница 5: ...ewind Fast Forward 13 Cassette Tape Record 13 Erasure Of Tape 13 To Protect Valuable Recordings 13 Auto Tape Selector 13 CD PLAYER OPERATION 14 CD Playback 14 Selecting The Playback Track 14 A B Repeat 14 Programming Playback Tracks 14 Tempo Control 14 Key Control 15 CD RW CD R Playback 15 CD TO TAPE DUBBING 15 Manual Record Level Dubbing 15 Automatic Record Level Dubbing 15 TROUBLESHOOTING 16 REP...

Страница 6: ...OTE OUT INPUT 2 INPUT 1 INPUT 3 R L OUT PHANTOM EFFECT CD TAPE PRE AMP R L R LINE HIGH LOW MIC LINE MIC LINE MIC LOW HIGH LINE LOW MIC LOW HIGH HIGH M I C L I N E INPUT 4 EQ EQ OUT OUT IN IN R EQ PAN L L R L EQ PAN PAN PAN 1 GND 2 3 COMMON HOT COLD HIGH LOW HIGH LOW HIGH LOW HIGH LOW A B C D E F G K J I M L S U F E H PAC750 REAR PANEL PAC770 REAR PANEL PAC750 PAC770 FRONT PANEL L E V E L 10 9 8 7 ...

Страница 7: ...ype 2 High position 40Hz 16kHz 3dB type 3 Metal position 40Hz 16kHz 3dB Overall S N no Dolby NR IEC A WTD type 1 Normal position 53dB type 2 High position 54dB type 3 Metal position 55dB Dolby NR effect B C S N improvement CCIR ARM WTD 9dB 18dB Analog output Output level 500mV Output impedance 1kΩ CD Channels 2 channels Sampling frequency 44 1kHz Quantization 16bit linear channel Error correction ...

Страница 8: ...tch of the CD output does not change when the Tempo is adjusted KEY CONTROL The PAC750 PAC770 CD player allows for the adjustment of the Key frequency musical pitch from 1 octave to 1 octave during playback This feature allows the music to be adjusted in order to match correctly to an instrument or a voice A B LOOP The PAC750 PAC770 allows two points within the CD to be selected and the audio with...

Страница 9: ...nd R speaker terminals G Do not use the black terminals In mono mode use a speaker system with an impedance of 8 to 16 ohms MONO BRIDGE mode is only available on the binding post speaker outputs and not the 1 4 speaker outputs H FUSE Holder CAUTION Disconnect AC power before removing This receptacle holds a specific fuse that is used to prevent overload and shorting I AC TERMINAL Connect the AC co...

Страница 10: ...the disc When this button is pressed during the play mode the CD player will skip back to the beginning of the current track If immediately pressed again the CD player will skip back one track for every time the button is pushed During the program mode this button is used to select the tracks to be saved in the program If this button is pressed and held during playback the CD player will enter aud...

Страница 11: ...pressed Subsequent press of this button will change the B point into the A point and allow a new B point to be set See page 14 for more information on the operation of this function 2 PROGRAM BUTTON When this button is pressed once the CD player enters the program entry mode and the program indicator will begin to flash Pressing the PROGRAM button again will return the CD player to the normal play...

Страница 12: ... the tape deck c DOLBY NR B C indicators display the type of Dolby noise reduction that has been selected d MEMO indicator is displayed when the tape deck memory function is turned on e HX PRO indicator is displayed showing HX PRO is activated f DUBB indicator is displayed when dubbing from the CD player to the tape deck g TRACK number indicator displays the total amount of CD tracks in the disc o...

Страница 13: ...ssed Rewind Fast Forward When the tape deck is stopped and regardless of the current direction pressing the Fast Forward button will place the tape transport in the high speed fast forward mode and the tape will advance quickly from left to right Pressing the 1 Rewind button will place the tape transport in the high speed rewind mode and the tape will retract quickly from right to left In either t...

Страница 14: ... TEMPO 0 TEMPO 0 1 1 2 2 3 3 TEMPO 50 TEMPO 50 Pressing A B during A B repeat changes point B to point A step 4 A A B Point B cannot be set in this section Programming Playback Tracks PROGRAM PLAY MODE This procedure allows a program of selected tracks for playback in any order 1 By pressing the PROGRAM button once you will place the CD player into the programming mode Once the PROGRAM button is p...

Страница 15: ...a program of CD tracks the tracks are dubbed in the order of the program During dubbing a blank space of approximately 4 seconds is automatically inserted between CD tracks This may hinder some dubbing such as live recordings on CD If this is a problem dubb from the CD to the tape manually using the mixer When recording with the reverse mode switch set to the two way or the continuous mode there m...

Страница 16: ...ction tabs of cassette tape are not broken Sound is distorted 1 Check that the recording level is not too high 2 Check that the head is not dirty Sound is unstable 1 Check that the head is not dirty 2 Check that the pinch wheels and capstans are not dirty 3 Check that the tape is wound tightly Noise is noticeable 1 Check that the head is not dirty 2 Check that the head is not magnetized 3 Check th...

Страница 17: ...eriod dirt or dust may be deposited on the heads and capstans causing degraded high fre quency characteristics volume drop or degraded recording and era sure performances To prevent this clean the heads etc periodically as follows 1 Turn the power off 2 As shown in Figure 1 clean the parts which come in contact with tape including the heads capstans tape guides pinch wheels etc with a cotton swab ...

Страница 18: ...ewind Fast Forward 13 Cassette Tape Record 13 Erasure Of Tape 13 To Protect Valuable Recordings 13 Auto Tape Selector 13 CD PLAYER OPERATION 14 CD Playback 14 Selecting The Playback Track 14 A B Repeat 14 Programming Playback Tracks 14 Tempo Control 14 Key Control 15 CD RW CD R Playback 15 CD TO TAPE DUBBING 15 Manual Record Level Dubbing 15 Automatic Record Level Dubbing 15 TROUBLESHOOTING 16 REP...

Страница 19: ...OTE OUT INPUT 2 INPUT 1 INPUT 3 R L OUT PHANTOM EFFECT CD TAPE PRE AMP R L R LINE HIGH LOW MIC LINE MIC LINE MIC LOW HIGH LINE LOW MIC LOW HIGH HIGH M I C L I N E INPUT 4 EQ EQ OUT OUT IN IN R EQ PAN L L R L EQ PAN PAN PAN 1 GND 2 3 COMMON HOT COLD HIGH LOW HIGH LOW HIGH LOW HIGH LOW A B C D E F G K J I M L S U F E H PAC750 REAR PANEL PAC770 REAR PANEL PAC750 PAC770 FRONT PANEL L E V E L 10 9 8 7 ...

Страница 20: ...ype 2 High position 40Hz 16kHz 3dB type 3 Metal position 40Hz 16kHz 3dB Overall S N no Dolby NR IEC A WTD type 1 Normal position 53dB type 2 High position 54dB type 3 Metal position 55dB Dolby NR effect B C S N improvement CCIR ARM WTD 9dB 18dB Analog output Output level 500mV Output impedance 1kΩ CD Channels 2 channels Sampling frequency 44 1kHz Quantization 16bit linear channel Error correction ...

Страница 21: ...tch of the CD output does not change when the Tempo is adjusted KEY CONTROL The PAC750 PAC770 CD player allows for the adjustment of the Key frequency musical pitch from 1 octave to 1 octave during playback This feature allows the music to be adjusted in order to match correctly to an instrument or a voice A B LOOP The PAC750 PAC770 allows two points within the CD to be selected and the audio with...

Страница 22: ...nd R speaker terminals G Do not use the black terminals In mono mode use a speaker system with an impedance of 8 to 16 ohms MONO BRIDGE mode is only available on the binding post speaker outputs and not the 1 4 speaker outputs H FUSE Holder CAUTION Disconnect AC power before removing This receptacle holds a specific fuse that is used to prevent overload and shorting I AC TERMINAL Connect the AC co...

Страница 23: ...the disc When this button is pressed during the play mode the CD player will skip back to the beginning of the current track If immediately pressed again the CD player will skip back one track for every time the button is pushed During the program mode this button is used to select the tracks to be saved in the program If this button is pressed and held during playback the CD player will enter aud...

Страница 24: ...pressed Subsequent press of this button will change the B point into the A point and allow a new B point to be set See page 14 for more information on the operation of this function 2 PROGRAM BUTTON When this button is pressed once the CD player enters the program entry mode and the program indicator will begin to flash Pressing the PROGRAM button again will return the CD player to the normal play...

Страница 25: ... the tape deck c DOLBY NR B C indicators display the type of Dolby noise reduction that has been selected d MEMO indicator is displayed when the tape deck memory function is turned on e HX PRO indicator is displayed showing HX PRO is activated f DUBB indicator is displayed when dubbing from the CD player to the tape deck g TRACK number indicator displays the total amount of CD tracks in the disc o...

Страница 26: ...ssed Rewind Fast Forward When the tape deck is stopped and regardless of the current direction pressing the Fast Forward button will place the tape transport in the high speed fast forward mode and the tape will advance quickly from left to right Pressing the 1 Rewind button will place the tape transport in the high speed rewind mode and the tape will retract quickly from right to left In either t...

Страница 27: ... TEMPO 0 TEMPO 0 1 1 2 2 3 3 TEMPO 50 TEMPO 50 Pressing A B during A B repeat changes point B to point A step 4 A A B Point B cannot be set in this section Programming Playback Tracks PROGRAM PLAY MODE This procedure allows a program of selected tracks for playback in any order 1 By pressing the PROGRAM button once you will place the CD player into the programming mode Once the PROGRAM button is p...

Страница 28: ...a program of CD tracks the tracks are dubbed in the order of the program During dubbing a blank space of approximately 4 seconds is automatically inserted between CD tracks This may hinder some dubbing such as live recordings on CD If this is a problem dubb from the CD to the tape manually using the mixer When recording with the reverse mode switch set to the two way or the continuous mode there m...

Страница 29: ...ction tabs of cassette tape are not broken Sound is distorted 1 Check that the recording level is not too high 2 Check that the head is not dirty Sound is unstable 1 Check that the head is not dirty 2 Check that the pinch wheels and capstans are not dirty 3 Check that the tape is wound tightly Noise is noticeable 1 Check that the head is not dirty 2 Check that the head is not magnetized 3 Check th...

Страница 30: ...eriod dirt or dust may be deposited on the heads and capstans causing degraded high fre quency characteristics volume drop or degraded recording and era sure performances To prevent this clean the heads etc periodically as follows 1 Turn the power off 2 As shown in Figure 1 clean the parts which come in contact with tape including the heads capstans tape guides pinch wheels etc with a cotton swab ...

Страница 31: ...OTE OUT INPUT 2 INPUT 1 INPUT 3 R L OUT PHANTOM EFFECT CD TAPE PRE AMP R L R LINE HIGH LOW MIC LINE MIC LINE MIC LOW HIGH LINE LOW MIC LOW HIGH HIGH M I C L I N E INPUT 4 EQ EQ OUT OUT IN IN R EQ PAN L L R L EQ PAN PAN PAN 1 GND 2 3 COMMON HOT COLD HIGH LOW HIGH LOW HIGH LOW HIGH LOW A B C D E F G K J I M L S U F E H PAC750 REAR PANEL PAC770 REAR PANEL PAC750 PAC770 FRONT PANEL L E V E L 10 9 8 7 ...

Страница 32: ...ype 2 High position 40Hz 16kHz 3dB type 3 Metal position 40Hz 16kHz 3dB Overall S N no Dolby NR IEC A WTD type 1 Normal position 53dB type 2 High position 54dB type 3 Metal position 55dB Dolby NR effect B C S N improvement CCIR ARM WTD 9dB 18dB Analog output Output level 500mV Output impedance 1kΩ CD Channels 2 channels Sampling frequency 44 1kHz Quantization 16bit linear channel Error correction ...

Страница 33: ... ON L R R L ON OFF AUX IN OUT REMOTE INPUT 2 INPUT 1 INPUT 3 R L OUT PHANTOM EFFECT R L R LINE HIGH LOW MIC LINE MIC LINE MIC LOW HIGH LINE LOW MIC LOW HIGH HIGH M I C L I N E INPUT 4 EQ EQ IN IN HIGH R EQ PAN LOW L L R L EQ PAN PAN PAN R L OUT CD TAPE OUT OUT BALANCED R L OUT UNBALANCED L SYSTEM R 1 GND 2 3 2 GND 1 3 COMMON HOT COLD HIGH LOW HIGH LOW HIGH LOW POWER AMP MICROPHONES or LINE IN PAC7...

Страница 34: ...OFF PHANTOM OFF ON R L L R R L ON OFF L R SPEAKER L R 4ΩMIN SELECT SPEAKER AUX IN OUT REMOTE OUT INPUT 2 INPUT 1 INPUT 3 R L OUT PHANTOM EFFECT CD TAPE PRE AMP R L R LINE HIGH LOW MIC LINE MIC LINE MIC LOW HIGH LINE LOW MIC LOW HIGH HIGH M I C L I N E INPUT 4 EQ EQ OUT OUT IN IN R EQ PAN L L R L EQ PAN PAN PAN 1 GND 2 3 COMMON HOT COLD HIGH LOW HIGH LOW HIGH LOW HIGH LOW S U F E MICROPHONES or 4Ω ...

Страница 35: ...reuse au niveau de ses bornes d enceintes Veillez à effectuer les raccordements d enceintes corrects conformément aux procédures suivantes Vérifiez que l interrupteur d alimentation de l appareil est réglé sur la position OFF S il est en position ON réglez le sur OFF pour raccorder des câbles d enceintes Utilisez des câbles d enceintes ayant des caractéristiques de retardateur d inflammation de ty...

Страница 36: ...ies unless specified by our service representative 2 You must pay any shipping charges if it is necessary to ship the product for service If the necessary repairs are covered by the warranty we will pay return shipping charges to your location anywhere in the United States 3 Whenever warranty service is required you must present the original dated sales receipt or other proof of purchase Limitatio...

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