Holmco PD81 Headphones for Speech Audiometry (10 Ohm)

Holmco PD81 headphones from Holmberg with sound-absorbing ear cups for speech audiometry. Especially for use in examination rooms with high noise levels. The HOLMCO PD-81 headphones are used with the following audiometers: Bosch ST20, MAICO ST20, MAICO ST20 SISI, MAICO ST26.
The headphones are supplied by the manufacturer with open wires.

Features:
- Ear cups: impact-resistant plastic; colour: grey
- Colour coding of the auricles: right = red, left = blue
- Headband adjustment range according to the anthropometric dimensions according to Dreyfuß and DIN EN 352

Technical data:
- Pressure force: 14.5 N
- Weight with cable: 570g
- Connections: PUR cable, 4-wire, smooth, length 1.8 m, ends tinned
- Handset transducer principle: dynamic
- circuit of the receiver capsules separately led out
- Transmission range: 50 to 10,000 Hz
- DC resistance: 10 Ohm per capsule
- Rated power handling: 0.5 W per capsule; sound pressure level: 117 dB
- Achievable sound pressure level: greater than 130 dB at 500 mW (50 Hz - 9 kHz)
- Distortion factor: less than 1 % at 130 dB (50 Hz - 9 kHz)

Scope of delivery: 1 piece
evidENT-Shop Article 338

Manufacturer: HOLMBERG GmbH & Co KG, Berlin
Item no. 95-05-06918