Headset No. 5 (Auralite Supra), Headset No. 5A (Auralite Supra Executive) and Headset No. 5B  - pictured to the right (Auralite Supra Executive fitted with a plug 430).

Headsets No. 5 use the improved technology of the Headsets No. 4, but have a headband to support the receiver which is similar in design to a personal hi-fi. Only one of the two earpieces is active, the other is purely for support.

This headset was supplied by many companies and many more variants than what are mentioned here.

Made by Plantronics.

Approval Number S/1689/23/J/501085

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.

Description						     BT Item Code
Headset No 5 (Plug 420)                                      870084
Headset No 5A (Plug 420, Quick release jack)                 870085
Headset No 5B (Plug 430, Quick release jack)                 870184
Spectacle Clip 104A (HS3, 3A, 4 & 4A)                        435830
Tube Voice 1A (HS 3, 3A, 4, 4A, 5, 5A & 5B)                  435833
Tube Voice 2A (HS 3, 3A, 4, 4A, 5, 5A & 5B)                  437292
Pads Cushion 1A (HS 5, 5A & 5B)                              437080

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 into the BT portfolio  

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Last revised: October 30, 2022