background image

SPHINX

    Project Twelve

 10 

 

6. CARE AND MAINTENANCE

Clean the exterior with a soft, lint-free, anti-static
cloth. Do not use force while wiping the surface.
To remove difficult stains use a few drops of
detergent on a moist cloth, sweep carefully and
wipe dry afterwards.

If some scratching occurs, please consult your
Sphinx dealer first. He can give you advice about
possible solutions.

Do not use polishing or cleaning agents

: they

may damage the sensitive acrylic finish of the
Project Twelve.

Do not use aerosol cleaning agents

.

Most contain solvents which might react with and
damage the acrylic finish.

7. TECHNICAL SPECIFICATIONS

Bandwidth

0 - 1.5 MHz  (+0/-3 dB)
0 - 203,000 Hz after RF input filter

Phase response error

<1° (0 - 20,000 Hz)

Gain
 Balanced

29.5 dB max. (x 29.9)

 Unbalanced

29.5 dB max. (x 29.9)

Minimum Power Output (1 - 20,000 Hz)

>151 W into 8 ohm (21.8 dBW), THD<0.01%
>246 W into 4 ohm (23.9 dBW), THD<0.01%
>340 W into 2 ohm (25.3 dBW), THD<0.01%

Output voltage / current, max.

36 V / 16 A

THD+N (IHF-A)

<0.008% (100 W into 8 ohm, 1 - 20,000 Hz)

IMD

<0.010% (70 W into 8 ohm)

S/N ratio (IHF-A)

>120 Db

Slew rate

>100 V/µs

Damping factor

>600 (1 - 1,000 Hz)

Input

XLR balanced / Cinch unbalanced

 Level, nominal

1.25 V (1.9 dBV) / 1.25 V (1.9 dBV)

 Impedance

600 ohm / 20 kohm

Supply capacitance

26.920 µF total

Power consumption

600 W max. (5 W standby)

Dimensions (h x w x d)

68 x 250 x 340 mm

Weight

6.5 kg / 14.33Lb

This unit conforms to the EMC interference regulations issued by the EU and to the CE standards.
This unit complies with safety regulation VDE 0860 and therefore with international safety regulation IEC 65.

Technical specifications may be changed by SPHINX without prior notice if technical developments make this
necessary.

©1999 Audioscript BV

Summary of Contents for Project Twelve

Page 1: ...1 USER MANUAL PROJECT TWELVE MONO POWER AMPLIFIER...

Page 2: ...el 5 4 INSTALLATION AND CONNECTIONS 6 Installation 6 Connections in general 6 Connecting loudspeakers 6 Connecting the input 6 Connecting the optical cables 6 Connecting the mains cable 7 5 OPERATION...

Page 3: ...fficult ones like electrostatic and magnetostatic To obtain the maximum quality from this power amp it is necessary to use it with top quality audio components preferably with other Sphinx components...

Page 4: ...SPHINX Project Twelve 4 3 THE POWER AMP AT A GLANCE Front panel 1 LED Indicates the selected function stand by red on green protection blinking red 2 STANDBY To switch the component on and off...

Page 5: ...Sphinx component like a pre amp CONTROL OUT To connect the optical cable that goes to another Sphinx component 3 XLR input To connect the XLR cable from the pre amp output 4 POWER This is the mains ma...

Page 6: ...r audio cables choose the latter cables between pre amp and power amp will cause the least signal quality loss Connecting loudspeakers We recommend using a double pair of cables if this is possible wi...

Page 7: ...t panel may remain green even though the stand by mode is activated If the Project Twelve is placed in strong direct sunlight and you do not use an optical connection the stand by mode may self activa...

Page 8: ...ou should wait for at least 60 sec though Because switching on the amp within 30 sec will activate the protection circuits the red LED will blink rapidly Only if you will not be using the amp for a lo...

Page 9: ...own you should replace it with a new one of exactly the same type and rating 5x20 mm 250 VAC 3 15 A slow The fuse 7 is located at the rear panel next to the mains connector 8 Never use a fuse of a dif...

Page 10: ...x x 29 9 Unbalanced 29 5 dB max x 29 9 Minimum Power Output 1 20 000 Hz 151 W into 8 ohm 21 8 dBW THD 0 01 246 W into 4 ohm 23 9 dBW THD 0 01 340 W into 2 ohm 25 3 dBW THD 0 01 Output voltage current...

Reviews: