EICO 377 PDF

Eico Sine and Square Audio Wave Generator | eBay!. Audio Generator Equipment EICO Electronic Instrument Brooklyn, build , 11 pictures, 2 schematics, 5 tubes, United States of America. Used Eico Vacuum tubes for sale on + second hand hifi sites & shops. Use Hifi Shark to monitor pricing and global availability.

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I edited the original post ekco include the pics. None of the tubes you listed belong in there. If it’s wired for a 6SQ7 the heater voltage will be between pins 7 and 8. Similar sponsored items Feedback on our suggestions – Similar sponsored items. If it was an intentional change, the socket wiring will not match the schematic.

Overall the HP is a much better oscillator but the Eico is definitely a usable piece of test equipment. Eico did not play the model number-letter game like many other companies did.

For additional information, see the Global Shipping Program terms and conditions – opens in a new window or tab This eicco includes applicable customs duties, taxes, brokerage and other fees. For a quick check you can just measure for the 6. Delivery times may vary, especially during peak periods. I also have an older version from I think the s using the older octal tubes.

The output is high impedance and not meant to drive a speaker. BaxtercatDec 28, The distortion was tested across a ohm load. Back to home page Return to top.

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Now I’m curious to find out if they were octal. Yours is a 2 gang, which means all of the resistors in the tuning circuit are different also. See full item description. Added a handful of components from parts bin, and a new output transformer.

The only minor reason for this is that if something goes wrong while testing boat anchors, for example, and because of their higher voltages involved I would prefer to repair the Eico over the more precise HP. Seller assumes all responsibility for this listing. Do you already have an account? I have one exactly like it. The model number describes a particular item that meets a particular spec, eg. The version arrived in like new condition except for white oxidation on the cadmium plated steel chassis and the factory tag still on the handle.

The mini tube was obvious due to socket size. Portland, Maine, United States. Search Media New Media. I will set about trying to trace out a schematic on it.

Audio Generator 377

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I removed it from the amp I built in one of these. The 6FG7 replaces the 6SN7.

Eico to 5c1 Champ conversion | The Gear Page

I get a signal on the scope, but not a clean one. I have two versions of the but not this one and have no data on it. The Gear Page is run by musicians for musicians. Eico or IS it? Users browsing this forum: Most of eixo tubes you listed make sense for a re-designed unit with some kind of solid state rectifier instead of a 6X5.

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Edited to include the pics I checked the sine wave output distortion using my HP Distortion Analyzer. The document on the BAMA site has a second schematic reflecting the changes to the tuning circuit, but even that schematic contains a hallow state rectifier. The audio cable that came with the generator looked like it was made to check stereo amplifiers. Yes, my password is: I hoped that since the original version was the same tube, that switching the two wouldn’t be catastrophic I readily admit that may not have a been a fair assumption and I may have just got lucky I also brought it up slowly on my current limiter and Variac, while looking at the signal with eiico scope, and watching the tubes.

Home Forums Recent Posts. Hopefully I will get it figured out.

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