Fostex PH-100 Owner's Manual
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Fostex PH-100 Owner's Manual

Fostex PH-100 Owner's Manual

Headphone amplifier / distributor
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Table of Contents

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Introduction
Thank you very much for purchasing the Fostex PH-100 headphone amplifier/distribu-
tor. The PH-100 can distribute the input signal accepted by any of three pairs of stereo
input connectors to 10 headphones whose level can be adjusted independently. It also
provides the 10-input, 10-output matrix box function which allows independent feed
for each headphone. The PH-100 is equipped with two stereo pairs of balanced inputs
(+4 dBu XLR-3-31 connectors and -10 dBV phone jacks), as well as a stereo pair of
unbalanced inputs ( -10 dBV RCA pin jacks). It also provides the AUX IN jacks which are
useful when using the PH-100 as a cue box.
In addition, you can cascade PH-100s, making more than 10 persons possible to monitor
the same stereo source.
Please read through this manual before using, and always keep it nearby.
Safety Instructions ....................................................................................................................2
Notes on Operation ...................................................................................................................3
Front panel section ..............................................................................................................3
Rear panel section ............................................................................................................ ...4
Example - 1: Using the PH-100 as a cue box ...................................................................5
Example - 2: Using an individual talkback monitor facility .......................................5
Example - 3: Cascading PH-100 .......................................................................................6
Main Specification .....................................................................................................................7
Block diagram .......................................................................................................................7
Owner's Manual
PH-100
Model
Headphone Amplifier / Distributor
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PHONES
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AUX IN
PH-100
HEADPHONE AMP DISTRIBUTOR
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Summary of Contents for Fostex PH-100

  • Page 1: Table Of Contents

    Thank you very much for purchasing the Fostex PH-100 headphone amplifier/distribu- tor. The PH-100 can distribute the input signal accepted by any of three pairs of stereo input connectors to 10 headphones whose level can be adjusted independently. It also provides the 10-input, 10-output matrix box function which allows independent feed for each headphone.

  • Page 2: Model Ph

    Model PH-100 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER - SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. "WARNING" "TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE."...

  • Page 3: Notes On Operation

    • Switch off power when connecting external equipment to PH- 100. Always switch off power to the PH-100 when connecting external equipment to it. Front Panel section 1. [PHONES] level controls [1 through 10]...

  • Page 4: Rear Panel Section

    Model PH-100 Rear Panel section AC IN PHONES (PRIORITY TO "FRONT PHONES" OUTPUT) 1. [AC IN] connector Connects the supplied power cord. 2. [PHONES] jacks (1 through 10) Connect headphones. There are also headphone jacks on the front panel so you can use whichever you like.

  • Page 5: Application Examples

    The following figure shows the example of using PH-100s as cue boxes for recording. Each PH-100 is installed in each booth of a recording studio. Musicians in each booth can monitor the sound with the desired balance between signals from the [INPUT] and [AUX IN] jacks by adjusting the [INPUT] and [AUX IN] controls on the front panel.

  • Page 6: Example -3: Cascading Ph-100

    Model PH-100 <Example -3: Cascading PH-100> The following figure shows the example of cascading three PH-100s, allowing 30 persons to monitor the same stereo source. You can cascade up to 10 PH-100s (allowing 100 persons to monitor). Note that we do not guarantee the function when cascading more than ten PH-100s.

  • Page 7: Main Specification

    • Power supply • Power consumption : Approx. 18W PEAK INPUT ST/MONO AUX IN Model PH-100 : PHONE (x 20) : 8 ~ 32 : 30Hz ~ 20kHz +/-1dB : -65dBV or less : 0.3% or less : RCA pin (x 2)

  • Page 8: Declaration Of Ec Directive

    In the electrical fast transient/burst requirements, surge, conducted disturbances by radio-frequency fields, power frequency magnetic field, radiate electromagnetic field requirements and static electricity discharging environment, this could be affected by generation of noise in some cases. FOSTEX DISTRIBUTORS LIST IN EUROPE * Including non-EU countries (as of June, 2002) <AUSTRIA>...

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