Lowell ES-4T 4in Speaker Package

The Lowell ES-4T is a 4in Speaker Package. Lowell specifies 4 inch dual cone driver with high-frequency whizzer cone, 16W (tap selector behind grille). Taps for 25V, 70V or 100V speaker systems, and 8 ohm transformer bypass position and painted (grey) steel back-can with mounting dogs. Ported enclosure is tuned for extended low frequency response.

Ordered as Lowell part number ES-4T. Specifications and photography as published by Lowell Manufacturing at lowellmfg.com/product/es-4t-4-inch-dual-cone-speaker.

Driver	4 inch dual cone driver with high-frequency whizzer cone
Transformer	16W (tap selector behind grille). Taps for 25V, 70V or 100V speaker systems, and 8 ohm transformer bypass position
Enclosure	Painted (grey) steel back-can with mounting dogs. Ported enclosure is tuned for extended low frequency response
Grille	Press-fit grille with scrim and pull-tool
Mounting Aids	Support rails, C-ring, template, paint guard
Connections	Removable (four-pin) Phoenix-style connector with two terminals for input to speaker and two parallel terminals for output to next speaker in string
Frequency Response	108Hz-20kHz +/- 6dB
Sensitivity	85.7dB log average @1W/1M over the frequency response range, measured in half-space