Ashly 4400 Specifications Page 1

Multi-Channel Power AmplifiersOperating ManualPo werflexASHLY AUDIO INC.847 Holt Road Webster, NY 14580-9103 Phone: (716) 872-0010 Toll-Free

10Operating Manual - Powerflex Multi-Channel Power Amplifier8. SELF-PROTECTION FEATURESPowerflex amplifiers contain circuitry to self-pro-tect during

11Operating Manual - Powerflex Multi-Channel Power Amplifier9. TYPICAL APPLICATIONSThe Powerflex 6250 is essentially three stereo amplifiers in one ch

12Operating Manual - Powerflex Multi-Channel Power Amplifier9.3 Bridged Mono Setup9.4 Typical PA Setup(Mono) (Mono)+-Bridge/70VCh1(+ )(-)Ch2(+ )(-)+

13Operating Manual - Powerflex Multi-Channel Power Amplifier10. DESIGN THEORYPowerflex amplifiers are based on stereo drivermodules that use digital p

14Operating Manual - Powerflex Multi-Channel Power Amplifier11.2 Distorted Sound1.) Clip LED is flashing regularlyAmplifier is being overdriven. Tur

15Operating Manual - Powerflex Multi-Channel Power AmplifierTypical Idle CurrentPowerflex 6250 Powerflex 4400120V: 0.81A 120V: 0.9A240V: 0.42A 240V: 0

Operating Manual - Powerflex Multi-Channel Power AmplifierPrinted in USA 10/016250-3ASHLY AUDIO INC. 847 Holt Road Webster, NY 14580-9103Phone:

2Operating Manual - Powerflex Multi-Channel Power AmplifierTable Of Contents1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3Operating Manual - Powerflex Multi-Channel Power AmplifierCAUTIONRISK OF ELECTRIC SHOCKDO NOT OPENThe lightning flash with arrowhead symbol,within an

4Operating Manual - Powerflex Multi-Channel Power Amplifier1. INTRODUCTIONThe Ashly Powerflex amplifiers combine the effi-ciency of a MOSFET high-spee

5Operating Manual - Powerflex Multi-Channel Power Amplifier3.3 AC Grounding RequirementsTo reduce the risk of ground loop hum, all systemground refere

6Operating Manual - Powerflex Multi-Channel Power Amplifier6. FRONT PANEL INDICATORS6.1 Power SwitchWhen the unit is switched on there is a five sec

7Operating Manual - Powerflex Multi-Channel Power Amplifier7. REAR PANEL FEATURES7.1 Input ConnectorsThe Powerflex inputs use 1/4" tip-ring-sleev

8Operating Manual - Powerflex Multi-Channel Power Amplifier7.2 Input Ground SwitchThis switch separates internal circuit ground fromthe chassis ground

9Operating Manual - Powerflex Multi-Channel Power AmplifierThe Powerflex 6250 is capable of three channelsof bridged output, while the Powerflex 440 i