Tuning past 104 with a Beomaster 3000-2?

6 replies
K(
Offline
kimberley (archived)
Bronze
Posted November 3, 2010 at 18:51 GMT
#1758174

I'm in the UK & usually listen to BBC Radio 3, sometimes Radio 4, which are 91.0 & 93.2MHz. However, a friend asked about listening to a ("headbanger's") programme at the top end of the dial - around 106. (I do know that this region exists... I just prefer not to go there usually!).

Does anyone have any experience of modifying the Beomaster 3000 & 4000 to receive the high frequencies, which I think were only for 'emergency service' use when the receiver were first sold? I realise that, if modified, the tuning scale would be even less use than it is now; but could, perhaps, one or two of the presets be modified and 'tuned by ear'?

Thanks for your thoughts,

Adam K, London.

SH
Offline
Søren Hammer
Bronze
Posted November 4, 2010 at 03:13 GMT
#1758175

Actually, some 3000's with 108 mHz scale were made, but they are not as common as the one with 104 mHz scale 😕

I don't know if the tuner (variable capacitor) is the same on the two, it is likely that your tuner is only made for going to 104 mHz.

YA
Offline
yachadm
Bronze
Posted November 15, 2010 at 21:15 GMT
#1758176

I haven't had a look at the schematics for the BM3000, but if it is a voltage-tuned unit, you can certainly modify it. The tuning scale just wouldn't be accurate.

I did my BM3400 like that.

You'd need to look at the schematics to determine if your's is a voltage-tuned unit.

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A(
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Agent00soul (archived)
Bronze
Posted November 17, 2010 at 09:46 GMT
#1758177

If it has station presets, it is most likely voltage tuned. Because that would be very hard to do with variable caps.

Evan
Offline
Evan
Gold
Posted November 18, 2010 at 22:28 GMT
#1758178

Type 2402 goes to 108Mhz.

Location: San Francisco

I'm an automotive audio and acoustic engineer. I design loudspeakers and full sound systems for new automobiles. I also dabble with studio, consumer and pro audio projects from time to time.
DI
Offline
Dillen
BronzeModeratorFounder
Posted November 24, 2010 at 06:56 GMT
#1758179

Beomaster 3000 build series 1-3 goes to 108MHz
Series 4 and later only goes to 104MHz.

Martin

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