The 'Selectra' brand was introduced in NZ in 1927 and lasted until 1930.
'Selectra' branded equipment was manufactured by Selectra Radio Ltd,
they had various distributors.
Currently there are 6 documented models.

NZ Herald, 28 Feb 1925

Seen throughout 1926

First 'Selectra' advert seen - NZ Herald, 18 November 1926

NZ Herald, 2 April 1927

Selectra Radio formed, purchasing Associated Agencies in the process
Auckland Star, 23 October 1928

And Associated Agencies in liquidation one month later
NZ Herald, 29 November 1928

Auckland Star, 28 August 1929

Auckland Star, 25 February 1930
| IMAGE | YEAR | MODEL CODE | VALVES | BANDS |
|---|---|---|---|---|
| ???? | Selectra A.E.5 | 5 | Broadcast | |
| 1926 | Selectra model 5V | 5 | ||
| 1926 | Selectra model 6V | 6 | ||
| 1926 | Selectra model E7 | 5 | ||
| 1927 | Selectra model 8V_AW | 8 | ||
| 1929 | Selectra 3V_regen | 3 |