Tag Archives: Bob Butterfield

The Sony ICF-8000: Bob’s nostalgic journey

Many thanks to SWLing Post contributor, Bob Butterfield, who shares the following guest post:

The SONY ICF-8000

By Bob Butterfield

As many radio enthusiasts have experienced there are some pieces of equipment that come and go for a variety of reasons. Many times, there are regrets about radios or accessories that are here one day and then gone another. Years ago, I was gifted a Sony ICF-8000 “Super Sensitive” FM/MW/SW portable radio. My ICF-8000 was one of those that “went.” To tell you the truth, I am not actually sure where it went off to! In those days I used my “Super Sensitive” radio on vacation trips, on the back deck, and for local MW/FM and casual SW listening. When a new position with the Government necessitated relocation, I left this radio behind at my parents’ house where it was regularly used by my mother in the kitchen. That is when things get fuzzy. Suffice it to say that I am not sure what happened to it.

As far as I can determine, the Sony ICF-8000 is a close relative of the earlier Sony TFM-8000W, another “Super Sensitive” model. What sets them apart is that the Sony TFM-8000W has the Public Service Band (PSB) and the Sony ICF-8000 does not. The ICF-8000 has its SW bands spread out into 4 bands: 1.6 to 3.5, 3.5-7, 7-14, and 14-26.1 MHz. In contrast the TFM-8000W has a slightly shorter SW frequency range split into three bands: 1.6-4, 4-10, and 10-22 MHz. Both radios have continuous coverage with no gaps from MW to SW as well as FM. These radios are almost identical in appearance. Other than the PSB and three SW bands on the TFM-8000W, the only other visual differences from the ICF-8000 are how the bands are arranged, identification of the Public Service Band on the face plate, and the addition of an on/off squelch toggle switch for the PSB. Internally the TFM-8000W has a couple more semi-conductors. In line with these two radios is the older Sony TFM-1600W “Super Sensitive” which came out circa 1971, has its own distinctive but similar appearance, and is set up like the ICF-8000 with FM/MW/SW.

A while ago the “I used to have that radio nostalgia bug” hit me, and I have been searching since for a decent ICF-8000 to purchase. Sony TFM-8000Ws in decent shape are up for sale on eBay on occasion, but I was looking for the ICF-8000. Finally, I spotted one recently (which was listed as a TFM-8000W!) at a price and condition I was comfortable with. After negotiation with the seller, I purchased it. There is some useful information on the Web about the Sony TFM-8000W. Jay Allen has a good piece on this unit worth checking out. The Sony ICF-8000 appears to be much harder to find, information on the Web is skimpier, and I am not sure how long they were produced. It is quite possible that its production run was limited. Manufacturing likely started in 1976 when it probably replaced the Sony TFM-8000W. One reference I located on the Web listed the ICF-8000 being made as early as 1974 but provided no source. I also found evidence of at least two versions of ICF-8000s being produced; one with a switch located in the battery compartment allowing multiple different voltages including that for Japan, and one operating on 120 volts only. The corresponding model number identification panels on the rear are annotated accordingly with voltages available. Both versions have “FM/AM Multiband Receiver” lettering on the face plate. Sony, like Panasonic, often tweaked models for domestic and foreign markets, adding or modifying features to fit those markets accordingly. If anyone has more information on these models, year(s) manufactured, availability of free manual copies, etc., drop them in the comments section.

The Sony ICF-8000 I purchased was in very good shape having just some minor imperfections showing on the faceplate paint. No cleaning was necessary, nevertheless I gave it one. All switches were quiet and functioned as they should. A nice feature of the ICF-8000 is its exceptionally smooth tuning mechanism which utilizes a flywheel. In addition, on my radio, the tuning scale is practically spot-on on all the bands. Not usually the case in an analog set of this type forty-five plus years old. When added to the fact that the SW frequencies are spread out in four bands instead of three, tuning is easy. The presence of a fine-tuning knob is a nice touch and can be useful. Also available is a tone control knob, signal/battery strength meter, a lighted dial, AC/DC capability, external antenna connection, world time calculator wheel (at the rear on the battery compartment cover), and a dual FM AFC and AM Broad/Sharp bandwith control.

Nostalgia aside, the Sony ICF-8000 has provided reliable performance on all bands so far. MW sensitivity is adequate while SW reception is above average using the built-in telescoping antenna which measures 44 inches (111.75 cm) in length. I did a limited shortwave reception comparison in the 49-meter band between the ICF-8000 and the Panasonic RF-2600 with its 37 inch (94 cm) built-in telescoping antenna and found the Sony performing equally with the Panasonic; at times even better perhaps due to its longer antenna. When connected to an external 75-foot (22.86 meters) longwire I found the ICF-8000 shortwave reception to be particularly good. I did not experience any overloading, nor did I encounter multiple images. The sound was, as others have attributed to the TFM-8000W, “mellow”. If this is not to your liking on the shortwave bands the tone adjustment is useful. Noise levels were well tolerated. I suspect that the Sony TFM-8000W would perform similarly.

Is the Sony ICF-8000 a fantastic DX machine? No, it is not. Is it “super sensitive”? Maybe not “super,” but definitely above average, and surely sensitive enough for general listening. Is it an attractive, affordable classic, easy to use, and sturdy radio with decent performance that can hold up through the years? I think so. Does it bring back fond memories? Absolutely!

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Guest Post: Review of the Electronic Specialty Products – Model DD-103 Universal Digital Dial

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Many thanks to SWLing Post contributor, Bob Butterfield, who shares the following guest post:

Review of the Electronic Specialty Products – Model DD-103 Universal Digital Dial

by Bob Butterfield

I recently brought out of storage my Yaesu FRG-7 Communications Receiver to use “in the shack” once again. I have always regarded the FRG-7 as a capable receiver but just did not have space as my radios co-exist with part of my daughter’s over-flowing stuffed animal collection–among other things. After a couple of dozen members of the plush collection were relocated, I now had room for another receiver! I checked the FRG-7 out carefully and found everything was functioning well, except for a modification I made decades ago which was the installation of a 100 kHz crystal calibrator kit inside the receiver.

I am the original owner of this FRG-7 which is an early production unit (the one without the small fine tuning knob). I had always desired an external digital frequency display for this radio and thought now is the time. I did some research, visited various radio forums, and decided on purchasing an Electronic Specialty Products (ESP), Model DD-103 Universal Digital Dial. This unit is not cheap, US$140, plus $15 shipping, but seemed to fit my needs. If technically inclined, one could possibly build an external display for themselves at lower cost. What may be of interest to many concerning the DD-103 unit is that it comes pre-programmed for dozens of transceivers and receivers (to include the FRG-7). Plus, if your radio is not pre-programmed it can be set up manually.

The DD-103 is an attractive compact external unit measuring 2”H x 6”W x 4”D with a very easy to read backlighted LCD (white on blue). The unit comes with connecting cables, U.S.-type power supply, and instruction manual. In my opinion, despite its size, this is one solid and well-built unit. As per the ESP web site, new units are not stocked but are assembled upon order. After ordering I immediately emailed ESP with my receiver make and model (I would recommend this for all buyers). My unit arrived in a little over two weeks and I received a separate sheet accompanying the unit with specific instructions for my receiver. Hook up was a breeze. All that was needed was to set a few DIP switches, connect one lead to the indicated test point on the identified board, and the other lead to chassis ground (alligator clip leads are provided). The connection to the display is made with the included RCA cable. I made one simple installation modification, installing a RCA female/RCA female bulkhead connector on the rear panel of the FRG-7 to allow for quick disconnect.

The DD-103 display is programmed into 1 MHz increments. To operate, you select the MHz range you want (for example 9 MHz) on the DD-103. On the FRG-7, I then tune its pre-selector and the same desired MHz range, and finally tune in the frequency and watch the DD-103 display change accordingly. The operational design of the DD-103 fits nicely with the Barlow-Wadley circuit design of the FRG-7.

A key feature of the DD-103 display is that it reads the entire frequency (e.g., 9.940.1 MHz) so you always know where you are with just one look. In addition to AM mode the DD-103 can be further programmed for CW, LSB, and USB modes, as well as 10 Hz or 100 Hz resolution. As stated in the unit’s manual, it can also be calibrated on each frequency range so as to correct IF amplifiers that are a little off or errors associated with aging receiver crystals, if applicable.

It is nice to have my FRG-7 up and running again and utilizing the new external numeric frequency readout. Truthfully, I have been reminded just how good the FRG-7 is. Though it does not have as many features, it holds its own when put up against my other classic receivers (JRC NRD-545, JRC NRD-535D, and ICOM R-75).

I must say I am quite happy with the Electronic Specialty Products DD-103. The unit has good accuracy and stability as it utilizes a TCXO reference oscillator. If I had to nit-pick about anything, I would likely point out that the on/off switch is on the back of the unit. If your radio is in a confined space this possibly could cause operational issues for you. Also realize that for the most part this unit is kind of a “one size fits all” package and it would not surprise me if certain receivers or transceivers might require lengthening of the connecting cable. All in all this professional looking unit is a simple to use, simple to install, easy to read, designed well, and I think worth the cost. For anyone else who is thinking about adding a digital frequency readout to a vintage radio, you may want to give this model due consideration.

Bob Butterfield

Photo of my FRG-7 with the DD-103 on top: