Sound Performance Lab PQ Mastering Equalizer Technical Specifications, External power supply

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Technical Specifications

Input impedance (balanced):

20 kOhm

 

(Welwyn precision resistors;

 

 

transformerless)

 

 

Output impedance (balanced):

‹ 600 Ohm

 

(CMR trimmers, transformerless)

 

 

Overload resistance:

+34 dB

 

(Band 1-5 = ON, B/C = 0)

 

 

Harmonic distortion:

@-30 dBu:

0.2%

 

@-20 dBu:

0.05%

 

@0 dBu:

0.01%

 

@+10 dBu:

0.002%

 

@+30 dBu:

0.0005%

S/N:

-90 dBu (A-weighted; -88 dBu w/o Filter)

(Band 1-5 ON, B/C = 0, each Q = Q 1,

 

 

Band 1 = 10 Hz, Band 2 = 100 Hz,

 

 

Band 3 = 1 kHz, Band 4 = 10 kHz,

 

 

Band 5 = 28 kHz)

 

 

Transmission bandwidth:

10 Hz-100 kHz

 

(-3 dB, Band 1-5 = ON, B/C = 0)

 

 

Processed frequency range:

10 Hz-28 kHz

 

Phase:

@ 10 Hz:

+5.5°

 

@ 1 kHz:

 

@ 10 kHz:

-1.23°

 

@ 100 kHz:

-8.8°

 

@ 200 kHz:

-11.25°

CMRR:

› 75 dB @ 1 kHz

(Max. Gain +34 dBu, Band 1-5 ON,

 

 

B/C = 0)

 

 

Housing & mounting dimensions:

Standard EIA 19 inch rack chassis, 4 units

 

482 x 176 x 390 mm W x H x D

 

ca. 189 3/4 x 69 3/10 x 153 1/2 inch W x H x D

Weight:

18,25 kg/40,15 lbs

External power supply

The PQ comes with an external linear power supply featuring a toroidal transformer for optimal audio quality and dramatically reduced inductive disturbance/interference.

Input voltage:

110-120 V/60 Hz or 220-240 V/50 Hz

Noise:

-100 dBu (@ +/- 60 V)

Dimensions:

Width: 15 cm (5 9/10 inch)

 

Depth: 24,5 cm (24 1/2 inch)

 

Height: 7 cm (2 3/4 inch)

Weight:

4,2 kg (9,24 lbs)

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Contents PQ Mastering Equalizer Owner‘s Manual Owner‘s Manual V 1.4, 9/2003 Software version 240H PQ Mastering Equalizer, ModelSound Performance Lab Key features ContentIntroduction Power-up sequence InstallationSetting the appropriate supply voltage Ground Lift switchTechnology Power for sound SPL Supra componentsAdditional construction features SPL High Gain TechnologyKey Functions Frequency Motorized potentiometersAmplitude BandwidthStoring your settings in an empty preset Releasing individual filter bands from channel link modePresets are selected via the Up/Down keys Channel Control ElementsOverwriting the current preset Channel Control Elements/ConnectorsOverwriting a written preset Recalling a presetExternal power supply Technical SpecificationsWarranty PQ Mastering Equalizer, Owner‘s Manual