VDV-1080-PP (PAT4008)

Description:
This special transformer is designed for 8 (2 x 4) EL34 or 6550 or KT88 tubes with the screen grids connected to the anode (triode mode) to deliver about 80 Watt of output power. Because of the low effective impedance of the tubes the resulting power bandwidth is extreme large, from 21 Hz to 390 kHz. Also the typical small magnetic transformer core distortion is extra reduced by this low effective plate resistance. The primary impedance is 1,2 kOhm, there are UL taps at 40 % and the secondary is at the standard 5 Ohm impedance. The transformer is fully potted in an attractive aluminum black textured shell.

Specifications:
Application PP : 8 x EL34 or 6550 or KT88 to KT150
Power : 80 Watt @ 30 Hz
Impedance-prim. : 1,2 kΩ
Impedance-sec. : 5 Ω
UL-taps : 40 %
Frequency range : 0,3 Hz to 390 kHz (-3 dB)
Dimensions : round 125 mm dia, height 65 mm
Case : black textured aluminum
Weight : 2,6 kg

Download:
Download: 1080-PP datasheet-1 and 1080-PP datasheet-2
Download application: chapters 10 & 11 & 12 of Modern High-End Valve Amplifiers