Electro-Voice T25A

Commentary

Driver unit for middle range to be used in combination with horn 8 hd.

The diaphragm is made of extremely thin hemp fabric which is hardened and molded.

It seems that there were 2 types of impedance.
It was 16 Ω specification around 1970 and 8 Ω specification around 1972.

Model Rating

Type	Driver unit
Frequency characteristic	700 Hz to 10 kHz
Allowable input	30W
Peak input	60W
Impedance	16 Ω (around 1970) 8 Ω (around 1972)
Output sound pressure level	106dB/W
Magnet weight	0.45 kg, Alnico V
External dimensions	Diameter 95x Depth 114 mm
Weight	2.2kg