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VT1042

Mains Transformer For 100W Amp
	Order No. VT1042 Price £103.95 Description High quality mains transformer wound on double section safety bobbin. Includes a 75V bias winding for making negative fixed bias of output valves if required. HT has 375V and 450V taps for making amplifiers of 20 - 30W (375V / KT66 / EL34 / 6L6 / KT88), 50W (450V / KT88), or 100W (450V / 4 x KT88), including smoothing choke and optional valve rectifier if desired, see applications. Ideal for a single PSU powering stereo pairs up to 50W per channel. Suitable for 120 – 240V 50 or 60 Hz operation. Supplied with mounting frames only. Note 2 req.d for a stereo pair over 50W per channel. Also suitable for choke input supplies, using e.g. VT1131 or VT1133 10 H choke, where the 450V taps can provide approximately 390V DC on the reservoir. Primary: 2 x 120V HT: 0 - 375 - 450V 500mA Bias: 0 - 75V 100mA Heater 1: 3.15-0-3.15V 7A Heater 2: 0 - 5V 3A (valve rectifier) Dimensions: 106H x 120W x 102D mm Fixing centres:      80 x 77mm Weight: 4kg Note heater wires are open ended and not tagged. Red pair are centre-tap and should be joined together.
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