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Headphone Amp Distributor
Model PH-50 Owner's Manual
Thank you for purchasing our Fostex product.
The model PH-50 is a headphone distributor. It has three inputs and five high power (500mW) headphone
outputs whose output level can be separately controlled. In addition, it contains a matrix box function for
five inputs and five outputs.
For inputs to the headphone distributor, it has two balanced lines and one unbalanced line. The balanced
input level can be switched for receiving +4dBu or -10
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Notes On Operation 1. Do not use headphones for long hours at high sound levels. 3. Retard the sound volume control when the headphone plug If the headphone is used under such condition, it could injure is connected or disconnected from the jack. your hearing. Also, be careful not to rapidly raise the output Always turn down the sound volume control before the control when using the headphone. headphone is plugged or unplugged to the PHONES jack. If it is Please use good sense to protect your
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PH-50 Operating Examples Monitoring System by Cascade Connection CUE BOX CHANNEL IN (-10dBV) INPUT (+4dBu/-10dBV) 12 345 XLR PHONE Unit #1 LR 2 T HOT 3 R COLD 1 S GND L R +4dBu -10dBV LR (-10dBV) L (-10dBV) R L/MONO R CASCADE OUT INPUT AUX IN (-10dBV) CUE OUT #1 CUE OUT #2 MIXER Input Signal MON OUT CHANNEL IN (-10dBV) INPUT (+4dBu/-10dBV) 12 345 XLR PHONE Unit #2 LR 2 T HOT 3 R COLD 1 S GND L R +4dBu -10dBV LR (-10dBV) L (-10dBV) R L/MONO R CASCADE OUT INPUT AUX IN (-10dBV) AUX IN INPUT INPUT
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Specifications INPUTS/OUTPUTS CASCADE OUTPUT Output level: -10dBV INPUT (Balance) Input level: +4dBu/-10dBV (switchable) Frequency response: 30Hz ~ 20kHz±1dB Input impedance: 10kΩor more INPUT (Unbalance) Input levela-10dBV GENERAL Input impedance: 10kΩ or more Dimensions 210 (W) x 200 (D) x 43 (H) mm AUX INPUT Input level: -10dBV Weight Approx. 1.9 kg Input impedance: 10kΩ or more Power supply 120VAC 60Hz CHANNEL INPUT Input level: -10dBV 230V ~ 50/60Hz Input impedance: 10kΩ or more Power consu
