Radio Road Which tuner to get and getting the most from it. Thank God, for the radio!

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Throw away that Stereo!

Posted by Bambi B (A) on October 1, 2009 at 10:06:31

In Reply to: Scott Tuners multiplex out low signal posted by kintyre695 on September 30, 2009 at 08:44:24:

PHOTO: Scott 330D mono tube tuner, 1958

kintyre695,

I have a Scott 330D mono tube tuner that was refurbished by Bob Hovland no less. About four years ago, when I was buying NOS tubes for the Scott- it uses some types that haven't been made in 40 years- I decided to have an MPX unit for it and bought a Heathkit AC-11 MPX decoder. Like you, I had in mind to extract the glory of stereo, but then I listened more seriously to the Scott and all thought of adding stereo flew away! Mono FM is very, very convincing once overcoming the idea that mono is only half the sound.

In mono, FM sound has a clarity and directness and seeming dynamics that I don't hear in stereo. The imaging is surprsing too, it has a centre image that of course does not have left or right information, but for some reason- perhaps there is a greater phase coherence without "competing" slightly different signals- the front to back image is deeper than any stereo image my system makes. Mono FM is also much, much quieter.

I enjoy mono FM so much, that I sometimes listen in mono with my McIntosh MR67 tuner- spectacular sound! You might give your Scott a good run without prejudice and, as I did, find you won't need to add stereo.

If, however, you must still have stereo, to my knowledge you would be best off finding a Scott 335. These have gotten expensive but I wonder how difficult it would be to make a clone.

Cheers,

Bambi B


PS: Tubes in the Scott 330D :

Scott 330D

2- 12AU7 -- CBS/Hytron black plate 5814A
4- 6AU6A -- Raytheon 7543 (this is a mil spec, low noise 6AU6)
6U8-- Amperex 6GH8A
6BA6-- RCA
6BE6-- Telefunken EK90
6CN7-- RCA
6BS8-- RCA
6X4-- RCA

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