Model PH-100

Notes on Operation

Do not use headphones for long hours at high sound levels.

If the headphones is used under such condition, it could injure your hearing. Also, be careful not to rapidly raise the output control when using the headphone. Please use good sense to protect your hearing.

Switch off power when connecting external equipment to PH- 100.

Always switch off power to the PH-100 when connecting external equipment to it.

Retard the sound volume control when the headphone plug is connected or disconnected from the jack.

Always turn down the sound volume control before the headphone is plugged or unplugged while the volume control is set too high, it could create noise and have hurt your ears.

Turn down all sound volume controls before switch on power.

Be sure to fully turn off all sound volume controls when switching on/off power to the PH-100.

Names and Functions

Front Panel section

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2

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1

5

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5

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5

4

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5

5

6

5

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9

5

10

5

0

10

0

10

0

10

0

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PHONES

5 AUX IN

PH-100

HEADPHONE AMP DISTRIBUTOR

0 10

PEAK5

CAL

ST MONO 0

10

POWER

INPUT

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1. [PHONES] level controls [1 through 10]

Each control adjusts the output level of the corresponding [PHONES] jack (1 through 10) on the front or rear panel.

2. [PEAK] indicator

Represents overload of the input signal.

If the indicator frequently lights up, turn down the [INPUT] and / or [AUX IN] level controls so that the indicator does not light up.

3. [AUX IN] level control

Adjusts the input level of a stereo signal from the [AUX IN] jacks on the rear panel. The signal adjusted by this control is mixed with the stereo signal from the [INPUT] jacks which is level-controlled by the [INPUT] level control, and fed to both the [PHONES] and [CASCADE OUT] jacks.

4. [POWER] switch/indicator

The switch turns on or off the power. The indicator lights up when the power is on.

When turn on or off the power, set the level controls of the PH-100 and connected device(s) to the minimum positions.

6

5

4

6. [INPUT (ST, MONO)] select switch

Selects whether monitoring a signal from the [INPUT] jacks (balanced or unbalanced) in stereo or mono.

ST

The input signal is fed to the [PHONES]

and [CASCADE OUT] jacks in stereo.

 

 

 

MONO

The input signal is fed to the [PHONES]

and [CASCADE OUT] jacks in mono (L+R).

 

 

7. [PHONES] jacks (1 through 10)

Connect headphones. There are also headphone jacks on the rear panel so you can use whichever you like.

<Note>

Each headphone jack on the front panel take pri- ority to the corresponding (same number's) head- phone jack on the rear panel.

You cannot use both front and rear jacks with the same number simultaneously. If you connect head- phones to both front and rear jacks with the same number, you can only use the headphones con- nected to the front jack.

5. [INPUT] level control

Controls the input level of the [INPUT] jacks (balanced or unbalanced) on the rear panel.

AUX IN 5

PEAK

0 10

INPUT 5 CAL

ST MONO 0

10

<Note>

At the CAL position, you can get the nomi- nal input level (+4 dBu or -10 dBV). CAL po- sition shows the nominal position."

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Fostex PH-100 owner manual Names and Functions, Front Panel section