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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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Radio Road Which tuner to get and getting the most from it. Thank God, for the radio! |
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In Reply to: RE: A magnificent swan. posted by freder29 on February 24, 2008 at 03:01:19:
Despite the instructions published in many service manuals, good tuner alignment is an acquired art. A scope and a signal generator does not an alignment tech make. The results vary significantly even among experienced techs. But a seasoned pro with many years experience and thousands of jobs under his belt can transform a tuner into a virtuoso.
My advice is - unless you want to learn it for sheer fun and are willing to pay - not to invest in the equipment or do it yourself if you are only going to be doing it on one or two examples.
A careless or amateur hand presents additional risks with the older and more esoteric instruments, as it is not difficult to damage a transformer core, some of which are not easily replaced.
There are still a few old hands left who do it for a living, do a pretty good job of it, and for not too much money. Mike Zuccaro in San Diego is one gentleman. Paul Gryzbek did pretty good work, but I'm not sure he's still doing them. There are others.
If you re-align, be sure to replace ALL the IFs first with good fresh stock. It's otherwise a waste of money to align around fading tubes.
Look at a KM-60/FM-50B or a Dyna FM-3. That's really more than enough tuner today. Anything more is just for bragging rights - it won't sound better. Spend the savings on first-class NOS re-tubing of the front end, a professional alignment, and a strong antenna system.
Good luck!
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Follow Ups
- Alignments. - sgmlaw 02/24/0808:19:55 02/24/08 (0)
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