Headset
No. 4 (Auralite 2) and Headset No. 4A (Auralite 2 Executive) are similar in appearance to
the Headsets No. 3 and 3A, but use an improved amplifier with a
three position switch to control the volume of incoming calls.
Superseded on BT by the Headset No. 5 (Auralite Supra), Headset No. 5A (Auralite Supra
Executive) and Headset No. 5B (Auralite Supra Executive fitted with a plug 430).
Made by Plantronics.
APPROVAL STATUS
HS 4 & 4A - Approval Number S/1689/23/J/501084
Headsets No. 4, 4A, 5, 5A and 5B are only approved for use with systems where the headsets
are quoted in the system PXML as an approved attachment.
PARTS
Description |
BT Item Code |
Headset No 4 (Plug 420) |
87 0082 |
Headset No 4A (Plug 420, Quick release jack) |
87 0083 |
Spectacle Clip 104A (HS3, 3A, 4 & 4A) |
43 5830 |
Tube Voice I A (HS 3, 3A, 4, 4A, 5, 5A & 5B) |
43 5833 |
Tube Voice 2A (HS 3, 3A, 4, 4A, 5, 5A & 5B) |
43 7292 |
Earpiece Set 1A 66 different sizes (HS 3, 3A, 4 & 4A) |
43 5823 |
Earpiece 28A/1 (Size 1) (HS 3, 3A, 4 & 4A) |
43 5824 |
Earpiece 28A/2 (Size 2) (HS 3, 3A, 4 & 4A) |
43 5825 |
Earpiece 28A/3 (Size 3) (HS 3, 3A, 4 & 4A) |
43 5826 |
Earpieces 28A/4 (Size 4) (HS 3, 3A, 4 & 4A) |
43 5827 |
Earpieces 28A/5 (Size 5) (HS 3, 3A, 4 & 4A) |
43 5828 |
Earpieces 28A/6 (Size 6) (HS 3, 3A, 4 & 4A) |
43 5829 |
ADDITIONAL INFORMATION
1. Headset energising current - all headsets 7.5 to 100mA.
2. It was anticipated that about June 1989 a new telephone complete with headset would be
introduced.
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