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Zenith 7G605 1942 Trans-Oceanic Clipper Portable Short Wave Receiver First Model of the Trans-Oceanic Series in Excellent Condition RARE!


Zenith 7G605 1942 Trans-Oceanic Clipper Portable Short Wave Receiver First Model of the Trans-Oceanic Series in Excellent Condition RARE!

$48.00 (Fixed shipping cost)
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Product Description

This Zenith 7G605, 1942 Trans-Oceanic Clipper Portable Short Wave Receiver, is the first model of the  Trans-Oceanic Series.

It is in Excellent Condition, and is extremely rare to find that look this beautiful 

 This one bears the chassis number 7B04.

I powered this receiver up and it is working great on the broadcast band with excellent receive on the telescoping, on board antenna. The buttons were a bit noisy and can use some contact cleaner I was really surprised by the loud clear audio and sensitivity.

I did not test it any further as it may need some capacitors replaced before putting it into service again.

There is a tag on it indicating it was rebuilt in the year 2000, but I do not know the extent of this service work so to be on the safe side I did not use it long on my bench.

This one is rather unusual as compared to all the other pictures I have seen of this receiver, in that the escutcheon plates around the buttons are copper and have a great shine.

The original Telescoping antenna is also Copper which is also unusual as most I have seen are silver colored metal. 

The large Wave Magnet antenna is also intact and in great shape.

 The only thing missing is the Zenith battery but most just plug the AC cord in and use it. The battery plug is still there and everything looks to be in excellent shape.

On the tilt over telescoping antenna, there are two spring loaded studs and one has vibrated out but the spring and stud were inside so I put them in a small plastic bag inside. The other stud and spring tension the antenna in place and it should not be difficult to put the one that came out, back in.


The Zenith Trans-Oceanic Clipper was the world's first portable, battery powered short wave radio. Originally developed for sailing enthusiasts who needed a radio to get weather reports while saillng on the Great Lakes, the radio, introduced in January, 1942, became the go-to radio for soldiers and civilans following the action of WWII.

The radio had a very short run as production ended in April, 1942 as civilian radio production at Zenith was halted.

This unit has the familiar "bomber" speaker cloth, which portrays a likeness of the B-17 Bomber.

 This unit will be properly prepared inside for shipment and will be professionally packed for safe shipment.

I am selling this beautiful receiver as is as described for the family of a silent key who was my friend. 


Read all about it!


The first "TRANS-OCEANIC" #7G605


  The ancestor of the T.O.s was model 7G605. It offered a number of technical features: for SW operation a choice of Antennas was available like an extension rod, then a tuned SW frame, the "Shortwave Magnet", and finally the supplementary "Wave Booster" for "super sensitive" SW reception.


 For the BC band a built in frame antenna or alternatively the BC (broadcast) Wave Magnet could be used. Both the SW-and the BC- Wave Magnet were detachable and would be used remote from the receiver e.g. fixed to the window glass of a railway compartment.


  Besides BC there were five spread SW bands: 49m, 31m, 25m, 19m, 16m. Long Wave, very popular in Europe, was not provided. lt never played a role in North America.


  The circuitry of the 7G605 employed six tubes plus rectifier (for mains operation). In BC there is a tuned RF stage (three gang capacitor) which is inactive in the SW bands! ln SW the RF circuits are centretuned and bandspread is caused by the fixed capacitors C8=75pF and C9=50pF. According to the confined stations allocation the bands were chosen pretty narrow (6.0-6.5 MHz, 9.4-9.8 MHz, 11.7 -11.9 MHz, 15.1-15.3 MHz, 17.6-18.0 MHz). This allowed, together with low Q figures, to refrain from RF circuit tuning without noticeable loss of sensitivity. Possible gain of three to five from the RF stage was also waived (saving a complete set of switchable coils for the mixer input). Such a circuitry was abandoned for all later models, where wider bands and an RF stage for SW now required three gang tuning to cover all RF circuits. Let alone the output tube the relative new Loctal tubes for 1.5v "A" supply came into application. They required much less


For experts here the tube layout: lLN5 = RF stage(BC only), 1LA6 = Mixer, 1LE3 = Local Oscillator, this was forced by the 1LAB which did not reliably oscillate at SW frequencies (the successor 1LC6 solved that problem), 1LN5 = IF stage 455kHz, 1LD5 = Demodulator+1st Audio, and 3Q5 = output tube (Octal base). Elder amateurs may remember such types from salvaging US wireless sets after WW2. To save expensive battery life a 117v ac power supply was integrated, using a 117Z6G rectifier.


  Another typical feature was the "Radio organ". Four little slide switches allowed 16 different sound combinations. This was obviously so successful that it was continued in all following models.

 The first production runs had a sailboat sketch on the speaker grille cloth.

Probably in consequence of Pearl Harbor Dec.7.1941 later models (the majority) got a bomber to display.






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