Hafler 0915P manual Table of Contents

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TABLE OF CONTENTS

PERFORMANCE SPECIFICATIONS ............................................................................................

General Information ...............................................................................................................

INSTALLATION

Rackmounting ........................................................................................................................

Ventilation/Placement ............................................................................................................

Line Voltage ...........................................................................................................................

OPERATION/CONNECTIONS

Power C o r d Connection ........................................................................................................

Initial Power-Up/Muting System ............................................................................................

Convenience Outlets .............................................................................................................

Line Level Inputs ...................................................................................................................

Phono Section .......................................................................................................................

Front Panel View Diagram .....................................................................................................

Rear Panel View Diagram .....................................................................................................

T a p e Input/Record Output .....................................................................................................

T o n e Controls/Tone Switch ...................................................................................................

Volume Control ......................................................................................................................

Balance Control .....................................................................................................................

O u t 1, O u t 2, And Output Switch .........................................................................................

Headphone Output ..............................................................................................................

CIRCUIT DESCRIPTION

Phono Section ......................................................................................................................

Line Level Inpu? Selector System .........................................................................................

J-FET Buffer And Record Output Driver.. ............................................................................

Tape Monitor Switching ........................................................................................................

Volume And Balance Controls.. ............................................................................................

Line Amplifier.. .....................................................................................................................

T o n e Control System ............................................................................................................

Muting System .....................................................................................................................

Power Supply .......................................................................................................................

Headphone Amplifier ...........................................................................................................

ADDITIONAL INFORMATION

Installing Phono Option .......................................................................................................

Phono Board Installation Diagram .......................................................................................

Installing Cartridge Loads ....................................................................................................

Changing Line Voltage Rating .............................................................................................

Cartridge Loads Installation Diagram ..................................................................................

General Troubleshooting Hints ............................................................................................

Ground Loops ......................................................................................................................

Cleaning/Maintenance .........................................................................................................

Functional Block Diagram ....................................................................................................

Main Board Parts List ..........................................................................................................

Main Board Component Layout Diagram ............................................................................

Main Board Circuit Schematic Diagram ...............................................................................

Phono Board Parts List ........................................................................................................

Phono Board Component Layout Diagram ..........................................................................

Phono Board Circuit Schematic Diagram ............................................................................

SERVICE POLICY AND LIMITED WARRANTY .........................................................................

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Contents Series AI0 Service personnel Has been exposed to rain, orNot Performance, orTable of Contents Performance Specifications Phono SectionREC OUT Line Amplifier Headphone AmplifierInstallation Placement Line VoltageOPERATION/CONNECTIONS RackmountingLine Level Inputs Phono Section Preamplifier Front Panel View Preamplifier Rear Panel View Volume Control Balance OUT 1, OUT 2 and Output OFF Switch Headphone Circuit DescriptionMuting System Power Supply Balance ControlsAdditional Information Installation of Optional Phono Printed Circuit Board Refer Diagram Above Described switching arrangements will remain the sameIt. Only CanInstallation of Optional Cartridge Loads Or install this Tone switchBottom covers. Remove covers JumperOr buzz Paths For aUse Plug! It mayPreamplifier Functional Block Diagram Parts List Main Circuit Board Wvuwla mom lN3NOdW03 awoa mm13 Nivw RJoba’ +A--------L’ Board Circuit Schematic Parts List Phono Board Phono Board Component Layout Diagram Phono Board Circuit Schematic Diagram Service Policy and Limited Warranty Difficulty or have any question

0915P, 915 specifications

The Hafler 915 and 0915P amplifiers are remarkable products from Hafler, a company known for its high-quality audio equipment. These amplifiers are engineered to deliver precise sound reproduction, making them ideal for both home audio setups and professional applications.

One of the standout features of the Hafler 915 is its robust power output. With a capability of delivering 200 watts per channel into an 8-ohm load, it ensures that even the most demanding speakers can be driven effortlessly. The 0915P model, a variant of the Hafler 915, offers similar power specifications with additional features appealing to both audiophiles and professionals in the audio field.

The amplifiers utilize Hafler's proprietary technologies to provide impressive dynamic range and low distortion levels. The innovative circuitry employed in these models enhances signal integrity, which translates to a more accurate representation of the original audio source. Users can expect high fidelity sound that captures the nuances of music and dialogue with clarity.

Another important characteristic of the Hafler 915 and 0915P is their versatility in connectivity options. The amplifiers come equipped with multiple input configurations, including balanced and unbalanced connections. This flexibility allows them to be integrated seamlessly into various audio systems, whether for studio monitoring or home theater use.

The design of the Hafler 915 and 0915P amplifiers reflects both aesthetic appeal and functional efficiency. Featuring a sleek chassis and a user-friendly interface, these models are not only well-built but also visually pleasing. The robust heat dissipation mechanisms ensure long-term performance and reliability, making them suitable for extended use in demanding environments.

In summary, the Hafler 915 and 0915P amplifiers embody a blend of power, precision, and versatility. Their high-quality sound reproduction capabilities, coupled with innovative technologies and solid construction, make them excellent choices for anyone seeking to elevate their audio experience. Whether in a professional studio or a home audio setup, these amplifiers stand out as top contenders in the realm of audio amplification.
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