Nilfisk-ALTO HPA6 user manual Power Amplifier

Page 12

6. TECHNICAL SPECIFICATIONS

 

AUDIO INPUT

 

 

 

 

 

 

 

 

 

 

MAIN input

 

 

 

 

 

 

 

 

 

Connectors

XLR and 1/4" jack

 

 

 

 

 

 

 

 

Type

RF filtered, servo balanced input

 

 

 

 

 

 

 

Impedance

50 kOhms balanced, 25 kOhms unbalanced

 

 

 

 

 

 

 

Max.input level

+21 dBu balanced and unbalanced (unity gain)

 

 

 

 

 

 

 

CMRR

typ.40 dB, >55 dB @ 1kHz

 

 

 

 

 

 

 

AUX IN and DIRECT IN input

 

 

 

 

Connectors

1/4" TRS (tip=left, ring=right, sleeve=ground)

 

 

 

 

 

 

 

Type

unbalanced

 

 

 

 

 

 

 

 

Impedance

25 kOhms unbalanced

 

 

 

 

 

 

 

 

Max.input level

+21 dBu unbalanced (unity gain)

 

 

 

 

 

 

 

CMRR

typ,40 dB, >55 dB @ 1 kHz

 

AUDIO OUTPUT

 

 

 

 

 

Connectors

XLR and 1/4" jack

 

 

 

 

 

 

 

 

Type

balanced /unbalanced

 

 

 

 

 

 

 

 

Impedance

dependent on the input impedance

 

 

 

 

 

 

 

Max. output level

+21 dBu balanced and unbalanced

 

SYSTEM SPECIFICATIONS

 

 

 

 

 

 

 

 

 

 

Frequency response

10Hz to 50kHz,+/-3dB

 

 

 

 

 

 

 

 

S/N

>90dB, unweighted, 22 Hz to 22kHz (>95dB @ +4dBu)

 

 

THD

0.005% typ.@+4 dBu, 1kHz, Gain 1

 

 

 

 

 

 

POWER AMPLIFIER

 

 

 

 

 

 

 

 

 

 

Max.output power

+21dBm

 

 

 

 

 

 

 

 

Min.output impedance

100Ohms

 

 

 

Max.gain

+20dB

 

 

 

 

 

 

 

FUNCTION CONTROLS

 

 

 

 

 

 

 

 

 

 

Input level

variable

 

 

 

Balanced per channel

mix between aux and main signal

 

 

 

 

 

 

 

Output level per channel

variable

 

 

 

 

 

 

 

FUNCTION SWITCHES

 

 

 

 

 

Left mute

mutes the left signal of the respective channel

 

 

 

 

 

 

 

Right mute

mutes the right signal of the respective channel

 

 

Mode

switches channel to mono

 

 

 

 

 

 

INDICATORS

 

 

 

 

 

 

 

 

 

 

Input level

8-digit LED display: -24/-18/-12/-6/0/+6/+12/ +18dBu

 

 

 

 

 

 

 

Output level

4-digit LED display: -24/0/+12dBu/CLIP

 

 

 

 

 

 

POWER SUPPLY

 

 

 

 

 

 

 

 

 

 

Mains voltage

USA/Canada

120V , 60Hz

 

 

 

 

 

 

 

 

U.K./Australia

240V~, 50Hz

 

 

 

 

 

 

 

 

Europe

230V~, 50Hz

 

 

 

 

 

 

 

Power consumption

40W

 

 

 

 

 

 

 

 

Fuse

95-120V~: T500mA L/210-240V~: T315mA L

 

 

 

 

 

 

 

Main connection

Standard IEC receptacle

 

 

 

 

 

 

PHYSICAL

 

 

 

 

 

 

 

 

 

 

Dimension

483(W) 217(D) 44(H)mm(19" 8.54" 1.7")

 

 

 

 

 

 

 

Net weight

2.9kg(6.39lb)

 

 

 

 

 

 

11

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Contents HPA6 Safety Related Symbols Important Safety InstructionsPower Supply External ConnectionPreface Table of Contents Feature List IntroductionControl Elements Mute Switch Mode SwitchDirect In Input Input Gain ControlMain Input Connectors Main Output ConnectorsFuse holder / Voltage selector AC InletInstallation & Connection Wiring ConfigurationMains Connection Application Use the HPA6 as a Headphone AmplifierUse the HPA6 as Independent Power Amplifiers Background musical signals Headphone Output Main Input HPA6 in Mono / Stereo ApplicationPower Amplifier Warranty Warranty Registration CardNO.1, Lane 17, SEC , HAN SHI West ROAD, TAICHUNG, 401 Taiwan

HPA6 specifications

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