Communications,  Test Equipment & Interesting things….

Here we have a selection of vintage goodies that do not really fit into our other sales pages.   One off items of interest to radio and maybe in the future audio enthusiasts.   Most things are as found but a full description of their working state will be included.   Some items will be serviced and come with our standard six month return to base warranty. 

Vintage and modern communications equipment,  test equipment for your workshop,  useful bulk components and all those kinds of things.    This page will not be updated as often as our main overhauled and diy radios for sale part of the site. 

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Epoxy resin anyone?  This is what happens when you refuse to replace your valve radios grid coupling capacitors!   



Stock last updated on 5/03/19
New items added on 4/02/19

New items available now. 


C1958 Eddystone 840C communications receiver  -  overhauled
Here we have a really clean and tidy example of the classic 840C receiver,  which was aimed at the radio amateur and general listening enthusiast.  All self contained with an internal speaker.   It is one of the simpler Eddystone models but still gives excellent performance  (tuning SSB takes a little bit of practice but once the RF gain is backed down and the AF gain turned up it is quite possible to resolve signals with good audio quality).   As ever the balanced flywheel tuning is lovely to operate and whizzing up and down the five tuning ranges,  which cover about 500 KHz up to 30 MHz is a breeze.  Fully overhauled and re-aligned,  the tuning dial is pretty accurate. A good general purpose receiver which actually does very well on MW as well as the SW broadcast bands.    Supplied with a good copy of the manual and mains lead.

Price  (fully overhauled)  £215      UK Delivery £15    EU £28  -  £35
Price reduced to £185   -  we have a second one too if you fancy a pair..

C1956 Eddystone 730/4 General Coverage Comms Receiver.  As used by Royal Signals, Coast Guard etc.   Serviced.

Maybe I should set up an Eddystone website too!   Or change my name to Mr Eddystone,  it would appear of late there has been quite a few of them in our workshop.   This one arrived here as a part ex,  it had already been looked at in the past and now that it has been serviced and the alignment sorted out, it is performing really well.   Everything works,  including the somewhat pointless Eddystone S Meter  (which only works on the very narrow bandwidth setting for this model!)   The filtering is of good quality and they also fitted a variable phasing crystal filter for CW on this upmarket, military model.   This one is fitted in an original crackle grey cabinet which is I good order.  There are some light scratches here and there on the radio but basically it is a quite respectable, ex military unit.   You will just need a suitable 3 ohm extension speaker and a reasonable long wire antenna to get this receiver tuned into the world.  Supplied with a good, bound copy of the user manual, service manual and some other info I have found of interest relating to the 730.   
Sorry this one is sold.   

C1981 Lowe SRX30-D communications receiver
I have a great deal of fond memories with this model of receiver, in fact the one I own is the earlier SRX30 which has an analogue tuning dial.  My dad bought one new back in 1978 and I spent most of my early radio years listening to the SW broadcasts from around the world on it.   I have quite a collection of old QSL cards too, but that is another story.   That particular receiver is still going strong, only ever having to have its dial lamps replaced and a squirt or two of pot cleaner.    The SRX30D was the final version of this Wadley loop design and continued well into the 1980's in production.   Built in Japan for Lowe,  there is also a Drake badged version which is the same inside but has a different front panel.   Anyway back to this offering,  it has had a good service and re-alignment,  not that it was far out really.   The front panel is good bar what looks like a burn mark on the speaker grille.  I missed this when I took it in so obviously not that glaringly obvious (either that or my eyesight is getting worse!) other than this there are just a few very minor paint marks on the metal cabinet sides.   The large LED display is a nice improvement on the earlier dual scale analogue set up.   Excellent audio,  and once you get used to the 1MHz bands you will be whizzing up and down HF all day long.   It uses the same Wadley system as the mighty Racal RA17 and a certain Yaesu frog7.   Sturdy, excellent quality receiver.     500 KHz--30 MHz,  AM, USB and LSB.
Price £150      UK Delivery £14     Sorry this one is sold.   

C1955 Racal RA17  General coverage professional comms rx

In my mind the undisputed heavyweight champion of British communication receivers,  the RA17 in its day,  and indeed today in many ways sets the standard for general coverage receivers.  Used in diplomatic embassies around the world,  by the RAF, spooks (ahem GCHQ),  the BBC monitoring service at Caversham, NATO, we even sold RACAL receivers to the US military.  Yep they were good and back in 1955 the purchase price was almost the same a small house.  So they were not at all aimed at the amateur.  Although one or two with deep pockets had one.   Back in the 60's there was an RA17 at the show station of the  RSGB.   The list goes on.   This model made Racal who went on to build all manner of communications and military kit, and eventually evolved into what we now know as Vodaphone.   They are not doing too bad either!   

Well driving this beast takes a little bit of getting used to,  again it is a Wadley Loop system receiver  - the original?  I am not sure about that but it is certainly the best.   You have to select the MHz dial first, then adjust the KHz dial  (which is the longest 35mm analogue scale dial ever fitted in a receiver of this type).   Excellent accuracy and you do not need a frequency display to see where you are.  The dial can be calibrated by the built in 1 MHz and 100 KHz crystal marker signals.    Stability has to be heard to believe.  I find even from cold you can tune in a CW station and leave it going for hours and it never seems to drift.

Condition wise it is the standard rack mount version, 19".   Excellent front panel and lettering.  The whole thing has been thoroughly overhauled and is working very well now from MW up to 30 MHz.  CW is fantastic with the switched crystal filter which goes down to 100 Hz bandwidth.    For AM and SSB / data there are 8KHz, 3.5 Khz, 1.5 KHz, 750 and 300 Hz filters.   A full copy of the manual is included and it comes with the correct,  original spec Racal mains lead.     Antenna connections are via an angled PL259 socket which  replaced the original input  (this was done prior to us getting the receiver).   Audio output  -  this receiver will drive an external 3 ohm or 600 ohm load,  which is highly recommended as the internal speaker is tiny and only really there for testing purposes.   If there is anything negative to say about the RA17 is has to be the internal speaker and rather poor audio amplifier that they used.   An EF91 no less  (which is really a high gain IF / RF amplifier pentode!)     I have always wanted to own an RA17 but only recently realised that little dream (yes I have another receiver with my name on it!) and now it is your chance to own this cold war wonder.    This baby is ex RAF if you are interested….
Price £525      This includes personal UK mainland delivery.  There will be a £20 fuel surcharge for deliveries to Cornwall and Scottish highlands.   Sorry no delivery to Northern Ireland or Ireland,  however I am quite happy to meet up at a UK mainland ferry port.   Email for details.  This price also includes an extension speaker which you are really going to want to use for long periods of listening.   You will also get driving lessons should you need them and some genuine enthusiasm :-)  Oh and I will carry it for you too.   The badge says 67 lbs
Afraid the Racal is sold.    We do have one more which will be available eventually...

A little bit of BBC monitoring back in the 1960's     Those were the days.   No heating required.

C1958 Hammarlund SP-600 communications receiver

We took this rare in the UK Hammarlund SP-600 receiver in part ex against some other communications equipment of a similar weight.  So here is your chance to get your hands on an authentic bit of US government radio equipment.   It is working fairly well as we obtained it,  it has been serviced in our workshop and the mains lead swapped over to 240V operation  (was factory set at 110V as this most definitely came to the UK via the US  -  it is a proper military version of the receiver)   This just involved swapping the soldered on wire on the mains transformer to the appropriate primary winding tap.   The pots and switches have had a clean and lube,  and the receiver appears to be working ok.   The chassis has been previously overhauled sometime in 2005 by an amateur in the USA  (his callsign and details are hand written on the bottom internal shield cover panel) -  the usual bits have all been replaced with good quality components.   It might want a bit of final tweaking and alignment to get the absolute best out of the unit but that is up to you!   

Coverage on the SP600 goes from MW right up to about 54 MHz -  all mode general coverage.  The receiver is fitted in the correct cabinet case,  again this has one or two scratches but nothing too major and no dents.   There is a small patch of paint missing from the front panel where I suspect the US gov marker label has been removed.  All the controls work and are free moving.   Also included is a speaker to suit,  this has the required 600 ohm matching transformer installed in it.  Looks the part too.     The front panel is engraved and the white paint infill can easily be touched up where needed,  it is not screen printed like some other valve comms receivers.  The S meter is working fine  (another common failure). 

So there you have it,  another pro grade receiver,  working well as is and just  needing a bit of light work to finish it off,  a nice project. 

Price £275   
Due to the ridiculous weight I would prefer this be collected however personal UK mainland delivery is available for £50, there will be a £20 fuel surcharge for deliveries to Cornwall and Scottish Highlands.   Sorry no delivery to Northern Ireland or Ireland,  however I am quite happy to meet up at a UK mainland ferry port.   Email for details.   Manual copy and 600 ohm extension speaker included in sale. 

1990's Rapid Electronics audio signal generator
This is one of my surplus workshop items,  no longer required as we have several others and given that this model is so reliable it is unlikely we will ever need a spare, spare one if you know what I mean!   Excellent condition,  and this is the better quality version of the unit with a full metal cabinet and heavy duty front panel (rather than the usual plastic trim) which you see on other branded versions.   Audio output from DC  up to about  1MHz  (so you could use it for setting up IF amps too)  with various attenuators and impedance outputs.  Unlike the current batch of audio oscillators being shipped in from the far east this is a true LC oscillator and not some digital synthesiser.  Mains powered.  Full working order.

Price £40      UK Delivery £8.50   EU £18  -  £25
   Sorry this has gone.  Sold.

Fluke 8010A Bench multimeter   True RMS 
Another Past Times Radio workshop spare which again is surplus to requirements here we have one of the classic,  built like a tank bench meters. Made in the USA, fully working and clean too.   Covers everything you need and is still quite accurate,  supplied with a mains cable.  Takes standard meter probes / banana plugs.  USA made.

Price £25      UK Delivery £8.50   EU £18  -  £25
Sorry this has gone.  Sold.

OK the RA17 has gone.  We have an RA17L to overhaul next which will be available at some point soon.   Good condition again and being the "L" it has the wide 13 KHz filter option which is especially good for wide broadcast listening. 

We now have another AR88 in to overhaul.  It is an AR88LF and a nice one too. S meter fitted and a decent case.   Needs the full electrical works.  The bathtubs are a leakin'

Awaiting attention is another Eddystone 840C.   We are working on obtaining more vintage communications receivers.


New in this past week is a Drake 2B and it's matching extension speaker / Q multiplier unit.  Fully loaded with all the extra crystals, handbook etc.   Looks to be in A1 condition.   More details to follow when I have had a play with it.   

Thanks to a very kind customer who passed on a tip I managed to track down a Racal cabinet for my RA17.   I suppose I better overhaul it now so that it is up the standards of the sets we have sold of late!

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