Plantronics SHS1890 Brochure

SHS1890

™

ptt amplifier

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Complete Headset

(including H31CD capsule, 15-foot cord,
push-to-talk switch)

Net weight: 230 grams (8.1 oz.)

H31CD capsule only: 10 grams (.35 oz.)

Shipping weight: 490 grams (17.3 oz.)

Operating and Storage Ranges

Operating current range: 10 to 120 mA dc

Operating temperature: 0°C to 50°C (32°F to 122°F)

Storage temperature: -40°C to 66°C (-40° F to 151° F)

Microphone/Amplifier

Output level: -23.5 ± 5 dbV (37.6 to 119 mV RMS)

Frequency range: 300 to 3300 Hz

Distortion: < 5%, 300 to 3300 Hz

DC resistance: > 35 ohms

Impedance: 50 ohms

Polarity: Nonpolar

Terminal voltage: 2.3 Vdc @ 10 mA; 5.0 Vdc @ 100mA

Downward Expander Depth: 20 dB

Receiver

The SHS1890 allows the use of a wide variety of

receiver styles. In addition to the characteristics
listed in the table below, each receiver has the
following features:

Acoustic limiter: Solid-state limiting device across the

receiver transducer

Frequency range: 300 to 3300 Hz

Distortion: < 5%

Unless other wise specified , all specific ations are nomi nal, and

assume a 50 ohm resistive l oad with a bi as of 4.8 V d c through

226.5 ohms, and an input of 94 db SPL at 1000 Hz in to an

attached headset top. Specifications are subject to change.

SHS1890 Push-to-talk Amplifier

Features:

• Allows the use of any H-series headset top in 6-wire controller
and dispatch operations

• Push-to-talk switch with selectable locking or momentary operation

• PJ-7 (equivalent to WE-425) connector

• Choice of 3 different coil cord lengths

• CE compliant

Cable options available:

• SHS1890-10 10-foot coil cord

• SHS1890-15 15-foot coil cord

• SHS1890-25 25-foot coil cord

Plantronics also offers the SHS2310, whic h feature s 10 dB of receiver amplication.

PLANTRONICS

Receiver Characteristics of Tops Used with SHS1890 Push-to-talk Amplifier

Plantronics Top StarSet® III StarSet® III TriStar® SupraPlus® SupraPlus® Encore® Encore®

H31CD H31/H31N H81/H81N Monaural Binaural Monaural Binaural
H251/H251N H261/H261N H91/H91N H101/H101N

1kHz sensitivity 20.5 19.5 22.0 14.0 9.0 wide band: 26.0 wide band: 19.5
(dBPa/V, ±4 dB) narrow band: 37.0 narrow band: 31.5

Receiver Impedance 600 ± 150 480 ± 50 450 ± 112.5 150 ± 37.5 300 ± 75 wide band: 205 ± 30.8 wide band: 395 ± 59.3
(ohms, at 1 kHz) narrow band: 250 ± 37.5 narrow band: 440 ± 66

Source Drive 600 10 10 10 10 10 10
Impedance (ohms)

Measuring Brüel & Kjaer Brüel & Kjaer Brüel & Kjaer Brüel & Kjaer Brüel & Kjaer Brüel & Kjaer Brüel & Kjaer
Device 4157 Ear 4157 Ear 4157 Ear 4157 Ear 4157 Ear 4157 Ear 4157 Ear

Simulator

1

Simulator1 Simulator1 Simulator1 Simulator1 Simulator1 Simulator

1

Note 1: A proprietary Plantronics adapter is used with the specified Brüel & Kjaer measuring device.

For more information about the SHS1890

or other Plantronics products, please visit

our Web site at www.plantronics.com.

TEL: [phone] (USA AND CANADA)

831-458-7700 (OUTSIDE USA)

Product Specifications

SHS1890_PS_110810_B.indd 1 11/8/10 2:49:31 PM