TSH 3 and TSH 4 headsets of types L (summer) and Z (winter) with the GVSH-T-13 headset are designed for communication in armored objects with a high level of acoustic noise, for protection against external noise, impacts on structural elements of the object and climatic factors.
The headset remains functional:
-at ambient temperatures from minus 50 ° C to 50 ° C
relative humidity of 90 % at a temperature of 40 ° C.
Main technical specifications
| Non/ | Наименование a Parameter name | Value |
| 1. | Verbal intelligibility in conditions of acoustic noise up to 133 dB, not less than,%, headset GVSH-T-13-01
(with laryngophone LEM-3) |
90 |
| 2. | Verbal intelligibility in conditions of acoustic noise up to 133 dB, not less than,%, headset GVSH-T-13-01
(with laryngophone LEM-5) |
94 |
| 3. | Operating frequency range, Hz | 300-3400 |
| 3. | Коэффициент Noise attenuation coefficient at a frequency of 100 Hz, not less than, dB | 13 |
| 4. | Noise resistance of laryngophones in conditions of acoustic noise is 133 dB, not less | than 16 dB |
| 5. | Module of total electrical resistance at a frequency of 1000 Hz for the transmission path, Ohms | 60-100 |
| 6. | Module of total electrical resistance at a frequency of 1000 Hz for the reception path, Ohms | 420-620 |
| 7. | Return of a pair of laryngophones at a speech signal of the order of, mV | LEM-3 -0,6-0,8
LEM-5 -1,2-1,5 |
| 8. | Headset GVSH-T-13 with 4-pin connector (LEM-3) or with GVSH-T-13-01 5-ti pin connector (LEM-5) | -9 |
| . | Headset weight, max, kg | 1,2 |
Headsets of two types – winter and summer (type Z-on a fur lining and type L – on a satin lining) and three conditional sizes (height I, II, III). The growth number of the headset corresponds to the size of a person’s head: I – head size up to 56 cm, II-57-59 cm, III-60-61 cm.
A headset is a headdress that covers the entire surface of the head, except for the face.
To protect the operator’s head from impacts on the structural elements of the object, four shock absorbers (1)are provided, located from the visor to the bottom of the occipital part of the helmet, two temporal shock absorbers (2)located on the sides of the headset, and a frontal shock absorber – visor (3).
Headsets of two types (type Z – on a fur lining and type L – on a satin lining) and three conventional sizes (I, II, III). The conventional size of the headset corresponds to the size of a person’s head.
| Headset Growth Number | Head Size (cm) | Percentage of sizes when ordering |
| I | Up to 56
inclusive |
30 |
| II | 57 – 59 | 50 |
Caps on the sides of the headset are placed in pockets (4), which are closed from above by flaps (5). In the back of the helmet there are straps for laryngophone cords (6). Soft leather covers for placing laryngophones (7) are attached to the straps for laryngophone cords(7). The covers are laced and end with leather belts (8) about 200 mm long, which are fastened at the end with machine stitching. They are adjusted in size by a mobile lock (9). The headset has a flap valve (10) outside in the occipital part, which protects the operator from precipitation. In the bent and lowered state, the valve is fastened with buttoned loops.
To fit the helmet to the head, an adjustment belt with a buckle (11) is located on the outside of the parietal part. To secure the headset to the head, there is also a belt with a buckle on the chin valves (12). The headset is equipped with a cord ending in a 4-тиpin plug (laryngophone LEM-3), it can be completed with a cord ending in a 5-pin plug (laryngophone LEM-5) (13), through which the headset is connected to the chest strap. switch. In the occipital part of the headset, this cord is divided into wires connecting phones and laryngophones