POWER TRANSFORMER transforms too much.

[Colas LeGrippa]

Hi,
I have found this huge transformer in a TONE GENERATOR , 20 tubes or so.  I was wondering why my meter was beeping btwen two leads of the HV, with no reading. Its max is 700V AC, 1000VDC.

From one side of the HV to the center tap is 550V, so I get 1100 V !!!!

What can I build with that beast ? An electric chair ?

[John]

Sell it for scrap, use the money to buy what you need. 

[sluckey]

You can build one hell of a strobe light!

[DummyLoad]

Tesla coil?

[terminalgs]

use it in a 20 tube tone generator.

[Colas LeGrippa]

yeah, back to where it belongs, with EXACT SPECS, genius you are !

[Willabe]

Why would you want to fool with a PT that puts out that much voltage?

I would leave it be.


     
                              Brad     

[bigsbybender]

Use it in a "Choke-Input" Circuit.  That will drop the HT secondary voltage down to a usable B+ and you can use small value capacitors.... the only problem is caps are much cheaper than the choke needed to supply a full amp.....



j.

[kagliostro]

550v * 1.4 = 770v with SS rectify, and using a Tube Rectifier the voltage will be lower

a PP of 807 is fine with 740v DC

see the Geloso G.273a



or you can experiment with GU50 tubes

look to page 9 of the EL152 tube datasheet (same specs)

(you can use less than 6 x GU50 tubes if you don't need very much power)

the photo refers to a GU50 Bass Amp



K