Albrecht 2990 super radio ss301 handheld ssb audio

The place to talk about specific radios, equipment and accessories. Do you prefer the latest generation of rigs and antennas or do you like the classics? Discuss it here!
Post Reply
m3neal
Regular
Regular
Posts: 80
Joined: 18 Nov 2013, 16:14
Call Sign: 26tm543
Location: cheshire uk

Albrecht 2990 super radio ss301 handheld ssb audio

Post by m3neal » 14 Apr 2019, 14:10

I recently got hold of a super radio ss301 ;(albrecht2990 ) for a play about on hills etc .I have done the anti jitter audio mod with a 1mf tantalum cap and a 10k resistor but it still warbles like a canary on ssb tx even with mic gain right down .Has anyone successfully modified on if these to actually be usable on ssb or are they just a lost cause and destened to be a fm am handheld with ssb Rx as that's all it is really
ssb is for life ๐Ÿ˜€

User avatar
slamjam
Radio Addict
Radio Addict
Posts: 707
Joined: 02 Nov 2010, 18:52
Call Sign: 26DT871
Location: Suffolk JO02

Re: Albrecht 2990 super radio ss301 handheld ssb audio

Post by slamjam » 23 Apr 2019, 14:18

does it still warble on an external 12v supply? I suspect it might be to do with an inadequate voltage source
26DT871 - Ipswich UK

m3neal
Regular
Regular
Posts: 80
Joined: 18 Nov 2013, 16:14
Call Sign: 26tm543
Location: cheshire uk

Re: Albrecht 2990 super radio ss301 handheld ssb audio

Post by m3neal » 23 Apr 2019, 17:18

Yes I'm using a 50 amp PSU with a 10amp cig plug outlet using the Midland battery iliminator .So supply voltage and current should be well beyond whats needed for this handheld
ssb is for life ๐Ÿ˜€

User avatar
ch25
Radio Addict
Radio Addict
Posts: 575
Joined: 03 Dec 2016, 11:07
Call Sign: n0call
Location: Poland

Re: Albrecht 2990 super radio ss301 handheld ssb audio

Post by ch25 » 23 Apr 2019, 19:27

You can't have too many antennas...

m3neal
Regular
Regular
Posts: 80
Joined: 18 Nov 2013, 16:14
Call Sign: 26tm543
Location: cheshire uk

Re: Albrecht 2990 super radio ss301 handheld ssb audio

Post by m3neal » 23 Apr 2019, 19:45

Like I said in my post it's already had that done I did it as soon as I got it
ssb is for life ๐Ÿ˜€

User avatar
ch25
Radio Addict
Radio Addict
Posts: 575
Joined: 03 Dec 2016, 11:07
Call Sign: n0call
Location: Poland

Re: Albrecht 2990 super radio ss301 handheld ssb audio

Post by ch25 » 23 Apr 2019, 20:04

Sorry, reading on dumbphone. So you have a voltage drop somewhere. I would measure it on mainboard under load.
Chris
You can't have too many antennas...

User avatar
k40
Radio Addict
Radio Addict
Posts: 589
Joined: 21 Jun 2012, 18:08
Location: Yorkshire

Re: Albrecht 2990 super radio ss301 handheld ssb audio

Post by k40 » 24 Apr 2019, 02:57

But they are rubbish, I was glad to see the back of mine.

User avatar
dt307
Top Poster
Top Poster
Posts: 1147
Joined: 05 Sep 2014, 16:15
Call Sign: 163dt307

Re: Albrecht 2990 super radio ss301 handheld ssb audio

Post by dt307 » 25 Apr 2019, 12:31

had 1 in with the same warble did the mods listed and was better, was a few years ago and was the newer version that was ment to be ok .....my ass was ok, reduced mic gain and stiffened up the vco supply got it sounding better.
going from memory and i am like a fish ..... i added an extra cap same value 47uf i think to the supply of the vco but there was no room to add it so i added it on the regulator end by the 2 filter caps ... wasnt for the faint hearted.
sent it to my m8 jan in thailand and he says it works great.
these radios are just crap
163dt307-chris




โ€œI fear the day that technology will surpass our human interaction. The world will have a generation of idiots.โ€
โ€• Albert Einstein

m3neal
Regular
Regular
Posts: 80
Joined: 18 Nov 2013, 16:14
Call Sign: 26tm543
Location: cheshire uk

Re: Albrecht 2990 super radio ss301 handheld ssb audio

Post by m3neal » 27 Apr 2019, 17:56

Cheers for that will give it a go
ssb is for life ๐Ÿ˜€

hamslice
Super Member
Super Member
Posts: 191
Joined: 24 Oct 2013, 07:16

Re: Albrecht 2990 super radio ss301 handheld ssb audio

Post by hamslice » 29 Apr 2019, 12:32

The handheld radio is dog **** awful warble on audio and awkward to use

Post Reply