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Hafler SE240 User Manual

Hafler SE240
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OWNER’S MANUAL
HAFLER SE240
POWER AMPLIFIER
A Division of
Rockford
Corporation
613 South
Rockford
Drive
Tempe, Arizona 85281
602
-
967
-
3565
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Hafler SE240 Specifications

General IconGeneral
BrandHafler
ModelSE240
CategoryAmplifier
LanguageEnglish

Summary

Specifications

Power Rating

Total harmonic distortion and continuous average power per channel into 8 ohms.

Continuous Power Output

Output into 4 ohms, THD, frequency range, and power per channel.

IM Distortion (IHF)

Intermodulation distortion from 1 watt to 120 watts into 8 ohms.

Typical THD at 80 watts into 8 ohms

Total Harmonic Distortion at 80 watts for specific frequencies.

Frequency Response into 8 ohms

Frequency response at different power levels (1 watt and 120 watts).

Typical Channel Separation

Channel separation at specific frequencies.

Signal to Noise Ratio

Signal-to-noise ratio referred to 120 watts into 8 ohms.

Input Impedance

Input impedance value in ohms.

Input Sensitivity

Input voltage required for 120 watts output into 8 ohms.

Slew rate

Slew rate measurement for a square wave.

Damping Factor

Damping factor values for different frequency ranges into 8 ohms.

Power consumption

Power consumption at 120 watts output and quiescent state.

Size

Physical dimensions of the amplifier.

Net Weight

Net weight of the amplifier.

Shipping Weight

Shipping weight of the amplifier.

Introduction

Ventilation

Importance of adequate airflow for amplifier reliability and cooling.

Location

Considerations for placing the amplifier near other equipment to avoid hum.

Line Connections and Switching

Information on AC power line voltage and remote switching options.

Connecting Cables (INPUT)

Guidance on using shielded cables for inputs and avoiding hum.

OUTPUT

Wire gauge recommendations for speaker connections and terminal types.

PHASING

Importance of correct speaker phasing and connection polarity.

GROUNDING

Internal grounding and connection of external devices.

Connections

Conventional Stereo Connections

How to connect speakers and inputs for standard stereo operation.

Connections for Monophonic Operation

Instructions for bridging the amplifier for mono output and safety notes.

Loudspeaker Selection and Placement

Normal Stereo

Guidance on selecting speakers and their power requirements for stereo use.

Speaker Placement

Tips for optimal speaker placement and room acoustics for sound reproduction.

Operation

Pilot Lamp and Protection System

Information on the pilot lamp, overheating protection, and system recovery.

Fuses

Information about the amplifier's fuses and when to seek service.

Factory Service and Limited Warranty

Technical Support Contact

Contact details for the Technical Service Department and troubleshooting advice.

Warranty Terms

Details on the 3-year warranty, owner responsibilities, and voiding conditions.

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