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Supercharger 750K

 

AMPLIFIER SPECIFICATIONS

 

 

 

 Issue 

 

 

Page 10

 

of

 

11 

 

Output:   

Power 

 

 

 

750 Watts into 8 Ohms (29dBW), 

      1150 

Watts 

into 

Ohms 

 

 

Voltage, RMS 

 

 

78 Volts 20Hz to 20 kHz 

  Voltage, 

Peak-to-peak 

 222 

Volts 

  Current 

peak-to-peak 

 260 

Amps 

  Damping 

factor 

  220 

  Output 

devices 

 

  20 

 

 

Thermal cut out (internal temp) 

70ºC 

 

 

 

Line inputs: 

[Balanced and RCA] 

 

 

THD + noise, 20Hz to 20 kHz 

< 0

.

010% 

 

 

Signal / noise ratio   

 

> 120dB ‘A’-weighted 

 

 

Input sensitivity for 750 Watts 

2.5V 

  Input 

impedance 

  50k 

Ohms 

 

 

Frequency response   

 

20Hz to 30 kHz, +0, -0

.

2dB 

Speaker input: 
 

 

Signal / noise ratio   

 

> 115dB ‘A’-weighted 

 

 

Input sensitivity for 750 Watts 

35V 

  Input 

impedance 

  50 

Ohms 

 

 

 

Connections: 

 

 

  

 

 

Line level inputs:   

 

1 line level RCA connector 

 

 

Balanced inputs: 

 

 

1 line level XLR DIN socket  

  Speaker 

inputs: 

  1 

pair 

4mm 

banana 

plug/binding 

posts 

 

 

Speaker outputs: 

 

 

2 pairs 4mm banana plug/binding posts 

 

Power requirement:  

 

100 / 115 / 230Volts AC 50 / 60Hz (factory pre-set), 

 

 

 

 

 

 

1350 Watts maximum into 8 Ohms, 53 Watts idle 

 
Weight:   

17.2 kg,  37 ¾ lbs   

 

unit only, unboxed 

  19.5 

kg, 

43lbs 

 

  in 

shipping 

carton 

 
Dimensions: 

215 mm,  8½ inches diameter 

 

 

560 mm,  22 inches high including feet 

 

 

220 mm,  8¾ inches deep (front to back) including terminals 

 
Standard 

accessories: 

   IEC 

type mains lead (10-Amp type), 

      Speaker 

lead 

      Spiked 

feet 

(3 

off) 

 

 

 

Musical Fidelity reserves the right to make improvements which may 
result in specification or feature changes without notice. 

 

Содержание SUPERCHARGER 750K

Страница 1: ...er distortion and increased dynamic range The 750K accepts both speaker level and line level inputs When driven from an existing amplifier the sound quality is greatly improved because the 750K presents an easy load for the existing amplifier to drive and at the same time gives up to 10dB increase in dynamic range Alternatively the Supercharger 750K can be used as a conventional power amplifier dr...

Страница 2: ... Item disposal information EU disposal information 6 Installation Introduction Installation Audio connection Cleaning 7 Connections Illustrations front and rear panels 8 Amplifier operation Operation and features 9 Amplifier problems Basic Amplifier fault finding 10 Amplifier specifications Typical specifications accessories And dimensions 11 Manual history Page 2 of 11 ...

Страница 3: ...not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E or coloured green or green and yellow or by the earth symbol The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured re...

Страница 4: ...r place water filled containers on the 750K for example a flower vase or potted plants If water does spill inside immediately pull out the mains plug from the wall socket and inform your dealer who should then check the unit before further use Entry of liquid into the 750K is dangerous and may cause electric shock or fire hazard Do not place the unit near direct heat sources such as radiators dire...

Страница 5: ...appare FACHGERECHTE ENTSORGUNG Das auf der Geräterückseite angebrachte Label deutet dass das Produkt nicht mit konventionellem Hauskehricht entsorgt werden darf Um Schäden und Verschmutzungen an Umwelt und Mensch zu vermeiden muss das Produkt fachgerecht entsorgt und von anderem Abfall getrennt werden Wenden Sie sich bei Fragen hierzu an Ihren Fachhändler oder an eine öffentliche Informationsstell...

Страница 6: ... the preamplifier output to the XLR balanced line level input on the 750K Make sure the input selector slide switch on the back panel is set to LINE and the vertical RCA XLR switch is set to XLR Note in both input cases it is assumed that the driving amplifier or preamplifier have a VOLUME CONTROL to allow setting of listening level This is important as the 750K has no control of its own OUTPUTS C...

Страница 7: ...perate BLUE LED temperature ORANGE INPUT XLR line level SLIDE SWITCH XLR RCA input selector INPUT RCA line level SLIDE SWITCH line speaker input selector INPUT4mm banana binding posts Loudspeaker level ROCKER SWITCH Mains on off IEC SOCKET mains inlet LOUDSPEAKER OUPUTS 4mm banana binding posts Page 7 of 11 ...

Страница 8: ...l on selected input for more than 30 minutes it will automatically revert to standby mode OVERHEAT Should any internal overheat situation have been reached the amplifier will cut out there will be no more sound output and the orange LED will light Unit will remain in this state until it has cooled down again If overheat mode persists check wiring for errors driver amplifier for instability and loc...

Страница 9: ...markings to help get this right Unit cuts out orange LED lit Overheating Short circuit in speaker output leads Problem in speakers Grounded via speaker Make sure unit is situated to allow free air circulation Check speaker leads connected to SPEAKER OUTs on 750K and speaker ends for stray strands or short circuits Check speakers Both the and speaker output terminals on this unit are live i e carry...

Страница 10: ... for 750 Watts 35V Input impedance 50 Ohms Connections Line level inputs 1 line level RCA connector Balanced inputs 1 line level XLR DIN socket Speaker inputs 1 pair 4mm banana plug binding posts Speaker outputs 2 pairs 4mm banana plug binding posts Power requirement 100 115 230Volts AC 50 60Hz factory pre set 1350 Watts maximum into 8 Ohms 53 Watts idle Weight 17 2 kg 37 lbs unit only unboxed 19 ...

Страница 11: ...Supercharger 750K MANUAL REVISION Issue 3 RELEASE DATE CHANGES Issue 1 23rd November 1st release Issue 2 6th December Front page picture updated Issue 3 17th March 2008 Height updated Page 11 of 11 ...

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