PHONE1

PC/TEL用	ステレオヘッドフォン・マイクボリュームコントロール
	headphone
	\| Driver unit	:Φ40mm dia. Dome
	\| Impedance	:32 Ohm ±15%
	\| Sensitivity	:105dB±3dB at 1KHz
	\| FrequencyResponse	:20-20000Hz
	\| Maximum Power Input	:100mw
	\| Cord Length	:2 metres
	Microphone
	\| Type: 9.7mm dia., etectric condenser microphone
	\| Directivity	:Omnidirectivitional Single directivitional
	\| Impedance	:2200Ω ± 15%
	\| Sensitivity	:-60dB±2dB
	\| Frequency Response	:30-16,000Hz
	\| Standard Operation Voltage	:4.5V