A Christmas Tale remembered
Mitsubishi PAL Decoder
Converge The RBM A823
Murphy Line Output Transformer Replacement
1977/78 22″ ITT CD662; CVC30-Series
1982 20″ ITT 80-90 Model (unknown)
Retro Tech 2025
Fabulous Finlandia; 1982 Granada C22XZ5
Tales of woe after the storms. (2007)
Live Aerial Mast
Total collapse
What Not To Do
1983 Philips 26CS3890/05R Teletext & Printer
MRG Systems ATP600 Databridge
Teletext Editing Terminal
Microvitec Monitor 1451MS4
BBC Microcomputer TELETEXT Project
Viewdata, Prestel, Philips
Philips Model Identification
1976/77 Rank Arena AC6333 – Worlds First Teletext Receiver
PYE 1980s Brochure
Ceefax (Teletext) Turns 50
Philips 1980s KT3 – K30 Range Brochure
Zanussi Television Brochure 1982
Ferguson Videostar Review
She soon put that down
1983 Sanyo Brochure
Wireless World Teletext Decoder
Unitra Brochure
Rediffusion CITAC (MK4A)
Thorn TRUMPS 2
Grundig Brochure 1984
The Obscure and missing Continental
G11 Television 1978 – 1980
Reditune
Hitachi VIP201P C.E.D Player
Thorn 3D01 – VHD VideoDisc Player
Granada Television Brochure, 1970s
Long Gone UK TV Shops
Memories of a Derwent Field Service Engineer
PYE Australia Circa 1971
Radios-TV VRAT
Fabulous Fablon
Thorn TX10 Chassis
Crusty-TV Museum, Analogue TV Network
Philips N1500 Warning!
Rumbelows
Thorn EMI Advertising
Thorn’s Guide to Servicing a VCR
Ferguson 3V24 De-Robed
A Christmas Tale remembered
Mitsubishi PAL Decoder
Converge The RBM A823
Murphy Line Output Transformer Replacement
1977/78 22″ ITT CD662; CVC30-Series
1982 20″ ITT 80-90 Model (unknown)
Retro Tech 2025
Fabulous Finlandia; 1982 Granada C22XZ5
Tales of woe after the storms. (2007)
Live Aerial Mast
Total collapse
What Not To Do
1983 Philips 26CS3890/05R Teletext & Printer
MRG Systems ATP600 Databridge
Teletext Editing Terminal
Microvitec Monitor 1451MS4
BBC Microcomputer TELETEXT Project
Viewdata, Prestel, Philips
Philips Model Identification
1976/77 Rank Arena AC6333 – Worlds First Teletext Receiver
PYE 1980s Brochure
Ceefax (Teletext) Turns 50
Philips 1980s KT3 – K30 Range Brochure
Zanussi Television Brochure 1982
Ferguson Videostar Review
She soon put that down
1983 Sanyo Brochure
Wireless World Teletext Decoder
Unitra Brochure
Rediffusion CITAC (MK4A)
Thorn TRUMPS 2
Grundig Brochure 1984
The Obscure and missing Continental
G11 Television 1978 – 1980
Reditune
Hitachi VIP201P C.E.D Player
Thorn 3D01 – VHD VideoDisc Player
Granada Television Brochure, 1970s
Long Gone UK TV Shops
Memories of a Derwent Field Service Engineer
PYE Australia Circa 1971
Radios-TV VRAT
Fabulous Fablon
Thorn TX10 Chassis
Crusty-TV Museum, Analogue TV Network
Philips N1500 Warning!
Rumbelows
Thorn EMI Advertising
Thorn’s Guide to Servicing a VCR
Ferguson 3V24 De-Robed
1970s/ 1980s SIS Music Master S2
Background (Ooo.. excuse the pun)
For a while now, I've been on the lookout for a period background music system for the museum. I know one simple solution would be just having the TV's running with test card music playing but. However, I don't really want to have the TV's running all the time, the sheer cost of electricity, heat generation and wearing valuable cathode emissions, makes it a non-starter.
Yes I could have gone down the cassette route with auto loop, but I wanted something period, something that you would have been used in a shop back in the day, so the hunt was on. I'm currently using my Fergy 3T27 with some Test card tapes.
One system I had fancied, was the Rediffusion Reditune system. However, these just never turn up. The closest I got was an advertisement tray, so the hunt continued.
Reditune
Was founded by Rediffusion in 1956 supplying a background music service for commercial and industrial applications. Once established in the United Kingdom, the Reditune operation was extended to overseas Rediffusion companies and, where no Rediffusion company existed, franchise agents were appointed. The first of these was in Belgium in 1961, and eventually Reditune operated in seventy countries with a combined subscribership of more than 35,000. Reditune became the largest world-wide background music operator outside of the United States.
The SIS System; The one I've Found
Eventually I managed to find one system, it came out of a closed down Television Audio shop, in fact the same shop that I got a lot of my recent signs and memorabilia for my museum.
Before it arrived I did in fact contact Mat (Techmoan) sending photos for his thoughts on the player, he believed it was based on the Fidelipac system, which turned out to be the case. By the way, If you're a subscriber to Techmoan, you may be familiar with the various systems used which go way back to the 50s. Mat has on occasion covered various background music cartridge systems. If you're not, I highly recommend a watch of his channel, highly addictive and full of old and new technology reviews.
The unit is a fairly large and heavy beast made by SIS limited. The model being a Music Master S2. It has 100V line outputs and standard 4-OHM speaker output. DIN MIC input for voice over, and tone control to the rear. On the front there's track change, system start/stop and volume level.
Upon opening up, the capstan belt, although in place but on the verge of snapping in various places. Luckily, I have a large belt stock, so a suitable replacement was found and installed. I've not powered up yet, reason being the 2x 3300uF 40V electrolytics have puked and need replacing. Sods-law, none in stock, so I've placed an order today. Other than that, it all looks very clean.
The System Internals
The tapes
The system employs the large 7" carts with a 4-track play head, with a large swing up pinch roller. This was known as the “Fidelipac”, or more commonly known as a “NAB cartridge” or simply just “cart”. It's a magnetic tape sound recording format, used commonly for radio broadcasting for playback of material over the air such as radio commercials, jingles, station identifications, and music, but also used in many stores. I bet as kids you remember wandering around Woolies or Fine Fair, especially at Christmas, hearing what is best described as elevator music.
Fedelipac or NAB, cartridge
These tapes are equally hard to find, but again the gods were smiling on me, and I've managed to get some, which I'm waiting to arrive. I believe they've been wiped, which is a real shame, but we shall see. If they have, that will be my next challenge, how to get music onto the carts. If this is the case, I wonder if it's possible to find someone with a Reel-to-Reel. I could then open up a cart, spool the tape onto a standard reel, and record music onto it, and the re-spool the cart. That will only provide me with 1-track though, so maybe a 4-track recorder?
Fingers crossed this all pans out, I will then have a continuous background music system for the museum. I hope that was of some interest and not something you've often seen. More to follow after I've replaced the two large caps and have received the carts.
Posted by: @crustytvIf they have, that will be my next challenge, how to get music onto the carts. If this is the case, I believe what I would need to do is find someone with a Reel-to-Reel. I would then need to open up a cart, spool the tape onto a standard reel, record music onto it, and the re-spool the cart.
You'll need a computer as well as a four-track tape recorder - because these cartridges only play in one direction, you'll need to record two of the four tracks backwards on your tape recorder, hence the computer... of course, if you find a full-width four-track machine like an Otari or a Teac you're laughing!
Assuming the track layout to be the same, you should be able to do it with a mono 1/4" 4-track machine as described - the tracks that would be recorded with the tape turned over would be the 'backwards' ones.
Also, what is the speed of the tape in this machine? I'm vaguely familiar with cart machines thanks to Sonifex cart players.
Posted by: @cathovisorAlso, what is the speed of the tape in this machine? I'm vaguely familiar with cart machines thanks to Sonifex cart players.
The honest answer is, I don't know 7-1/2ips? I've seen that mentioned on some other carts, were they recorded at other speeds? I believe Fedilpac, NAB, Sonifex, are all the same.
@crustytv for broadcast use the standard speed was 7.5 ips - I don't know if this machine may have used 3.75 ips or slower as it would have been intended to play longer background music whereas carts in broadcasting were about 3-5 minutes max and many only about 30 seconds - 1 minute for jingles and adverts.
I once extracted a cart from the autodialler of an old burglar alarm, this was recorded at 3.75 ips but it was one of the consumer 8-track cartridges.
TBH by the time I started working in community radio they had already given way to Minidiscs and playout of digital files from PCs, but I remember hearing about how all the music on the offshore station Laser 558 was copied onto carts (as vinyl records could be problematic on a vessel in the North Sea!)
Posted by: @alex728I remember hearing about how all the music on the offshore station Laser 558 was copied onto carts (as vinyl records could be problematic on a vessel in the North Sea!)
In the 1950s Garrard sold a 78rpm turntable that sat within a gimbal for precisely this situation...
A friend of mine brought in something he rescued from Anglia TV many years ago - a 2" Quad VT cart for adverts!
@cathovisor Some of the pirate radio stations often taped old pennies to the pick up arms to keep them from jumping, but in rough conditions they had to play from a tape. Some of the sponsored material I presume came on tape, such as the American religious programming Kenny Everett was sacked for spoofing!
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