Toshiba HR-D 3

Data

General

• Manufacturer: Toshiba
• Model: HR-D 3
• Type: Headphones
• Years of manufacture: 1978 - 1980
• Made in: Japan
• Color: ear cups leatherette, headband black
• Dimensions (W/H/D):
• Weight: 235 g
• Original price approx.: 120 DM

Connections

• Stereo - jack plug 6.3 mm with 2.5 m cable

Technical data Principle: Dynamic system

• Coupling to the ear: leatherette ear pads
• Loudspeaker: 57 mm cone
• Nominal impedance: 8 Ohm
• Static capacitance: 240 pF
• Contact pressure:
• Frequency response: 20 - 20'000 Hz
• Distortion factor: < 0.5
• Sensitivity: 106 dB
• Sound pressure level: 700 mV
• Channel separation: 40 dB
• Plug: jack plug 6.3 mm
• Cable length: 2.5 m cable

Special Features

• Soft handle with ratchet steps

Remarks

• Other models in the same series:
• Toshiba HR-D 2
• Toshiba HR-D 3
• Toshiba HR-X 1

Pictures

• Extract from brochure: Toshiba HR-X 1, HR-D 3, HR-D 2