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640W Power AmplifierMono power amplifier with crossover

ADVANCED WEB MANUAL

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SPECIFICATIONS

Control panel and terminals

Inputs / Outputs / Functions PowerOutputs

Power Supply

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FUNCTIONS

Remote

REMOTE IN

REMOTE IN

REMOTE OUT

REMOTE

3

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INPUTS

PRE IN and PRE OUT

PRE IN PRE OUT(Bypass)

Left RightLeft Right

PRE OUT

REMOTE

REMOTE OUT REMOTE IN

REMOTE INPRE IN

4

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INPUTS

SPEAKER IN and PRE OUT

SPK INPRE OUT(Bypass)

Left Right

REMOTE INPRE IN

REMOTE OUTwhith SPEAKER IN

SPEAKER OUT

SP

EA

KE

R IN

5

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POWER OUTPUTS

Lo-pass frequency adjustment

5020 100 200 500 1k 2k 10k5k 20k

dB

0

50 ÷ 500 Hz @ 24 dB Oct.

SUBWOOFER1 ΩMIN

10 m

m

MAX: 8 AWG

6

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POWER OUTPUTS

Subsonic filter On/Off

52 10 20 50 100 200 1k500 2k

dB

0

SUBSONIC @ 25 Hz, 24 dB Oct.: OFF

52 10 20 50 100 200 1k500 2k

dB

0

SUBSONIC @ 25 Hz, 24 dB Oct.: ON

SUBWOOFER1 ΩMIN

10 m

m

MAX: 8 AWG

7

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POWER OUTPUTS

Boost: Bass power adjustment

52 10 20 50 100

45

200 1k500 2k

dB

0

+3

+6

SUBWOOFER1 ΩMIN

10 m

m

MAX: 8 AWG

8

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POWER OUTPUTS

Signal phase adjustment

0° PHASE

180°PHASE

SUBWOOFER1 ΩMIN

10 m

m

MAX: 8 AWG

9

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COVER and FUSE

10

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TECHNICAL SPECIFICATIONS

Output Power @

4 Ω, ≤ 1% THD+N, 14.4 V: 250 W x 1 Ch

S/N ratio (ref. 1W output):

250 W Channel: 74 dBA

CEA Specifications

Power Supply

Voltage: 11÷15 VDC

Idling current: 1 A

Switched off: <0.01 mA

Remote IN voltage: 7÷15 VDC (1 mA)

Remote OUT voltage: 11÷15 VDC (15 mA)

Internal fuse (AFS): 40 A

Consumption @ 14.4 VDC, 2 Ω,

Max Musical Power: 33 A

Inputs/Outputs/Filters

Inputs Pre IN / Speaker IN

Output Pre

Filter LO-pass: 50 ÷ 500 Hz @ 24 dB/oct

Subsonic 25 Hz @ 24 dB/oct

Boost + 6 dB; + 3 dB; OFF / @45 Hz

Phase Control 0° - 180°

Size

WxHxD (mm/inches) 213 x 53.5 x 288 / 8”7/16 x 2”1/8 x 11”3/8

Weight (kg/lb) 2.6 / 5.73

Amplifier stage

Distortion - THD @ 100 Hz, 4 Ω, 90% Power: 0.3 %

Bandwidth @ -3 dB, 2 VRMS, 4 Ω: 18 ÷ 500 Hz

S/N ratio @ A weighted, 1 V, Max Power: 90 dB

Damping factor @ 100 Hz, 2 VRMS, 4 Ω: 150

Input sensitivity (PRE IN): 0.3 ÷ 5 VRMS

Input sensitivity (SPEAKER IN): 1 ÷ 15 VRMS

Input impedance (PRE IN): 15 kΩ

Input impedance (SPEAKER IN): 100 Ω

Load impedance (Min):

1 Ch 1 Ω

Nominal power (RMS) @12 VDC; 1% THD, 4 Ω: 200 W x 1

Output power (RMS) @14.4 VDC; 1% THD:

1 Ch @ 4 Ω 280 W x 1

1 Ch @ 2 Ω 460 W x 1

1 Ch @ 1 Ω 640 W x 1

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NOTE

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