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My favourite USB battery power Pack

This is the excellent USB power pack I use when I travel.

2 x 2.1amp outputs. 8400mAh capacity.

Two digit Led display shows battery level


What SD CARD should I buy?

If you want an SD Card for your camera - these are the ones I use and recommend. 

I'd strongly recommend not to buy any SD cards off ebay - I've heard about too many issues with counterfeit cards - often sold on by unwitting resellers. My inbox regularly gets messages from people who bought a £150 camera then cheaped out and bought a £3 memory card on ebay - Then when it doesn't worth they blame the camera! It doesn't make any sense. Good memory is cheaper than it's ever been - see the links above.

A lot of HD cameras will not work properly with cards larger than 32GB (cards over 32GB are usually SDXC rather than the SDHC standard used by 32GB cards. SDXC cards use the ex-FAT system rather than FAT32 - in short they are a different standard). - so don't just buy the biggest card you can afford - read the specs in the manual to see what it accepts.


RECOMMENDED CARDS (for action cams - see dashcams below)

CLASS 10 UHS-1 CARDS (For HD Cameras)


U3 CARD (For 4K cameras)




The SD card in a dashcam is re-written over, more frequently than in other types of cameras. Some manufacturers void their guarantee if an SD card was used in a dashcam. So, no surprise, there are special High Endurance SD cards made just for's some.


VERY IMPORTANT. These links take you to the product, however Amazon have three different ways of selling. There's Amazon Direct - This means that you are only dealing with Amazon themselves, then there's other sellers that use Amazon's facilities - these show as Fulfilled By Amazon and finally there's Market Place sellers that advertise on Amazon, but operate independently.  I strongly recommend that you only use the first...the Amazon Direct - Sold By Amazon option. Even if it appears that you are paying a couple of £/$ more it is more than likely you are comparing the price of a real item against the price of a fake.

To give you an idea of the extent of the fake goods problem. In a 2016 survey by Apple - 90% of the 'Apple' chargers sold through Amazon - using the other the two methods..which includes the "Fulfilled by Amazon" option -  were found to be counterfeit....90%! 

« Baby Driver - The Califone CardMaster Tape Scratch Machine | Main | Mail Call - Voice Mail from 1967 »

Hipac - Pioneer's forgotten 1970s cassette rival

There's nothing I enjoy more than discovering and passing on details about a forgotten format. The fun of seeing the immediate reaction and then watching the video being shared across the internet is hard to describe. 
The format featured in this video is called Hipac and if you search for more information about it on the internet you'll find next to nothing. Then again it's very unlikely you would be searching for it as it's missing off all the historical audio format lists I can find. Even obscure formats like the Sanyo MicroPack 35 usually get a mention and that one was just a dictation system.
I've gathered everything I've learnt about HiPac and present it here in the only English language youtube demonstration of this forgotten 1970s cartridge system.

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Reader Comments (14)

There's a Japanese wikipedia page for "HAI-PAKU":

interestingly there's a red link at the bottom to another format, "Fidelipak" (FIDERIPAKU, フィデリパック). I wonder what that is?

September 29, 2017 | Unregistered CommenterRich

To answer myself, a video of a Fidelipac: My that is a huge cartridge.

Searching for Fidelipac turns up information about the radio carts, but this looks like something different?

September 29, 2017 | Unregistered CommenterRich

I covered Fidelipac back in July

September 29, 2017 | Registered CommenterTechmoan

Me parece genial todos tus videos, he aprendido mucho sobre todos estos formatos que tú presentas, sobre todo tecnología vintage que es algo que me apasiona, solo quería saber si tienes contemplado probar la cámara 8mm de kodak, ya que están tratando de revivir este formato.

Saludos y Muchas Gracias

September 29, 2017 | Unregistered CommenterCarlos Shaw

Puedo hacer algo sobre Super 8 en algún momento, pero no tengo planes inmediatos para hacer un video sobre él.

September 29, 2017 | Registered CommenterTechmoan

Is it only me that really likes 'The Moans' that one was so funny Matt :@)

September 30, 2017 | Unregistered Commenterpaul

Congratulations for digging up yet another (after the Sabamobil and Sanyo's Micro Pack) forgotten format. I consider myself to be quite knowledgeable about vintage consumer electronics. But all these formats are new on me. Excellent Job!

As far as I can see, there's only one audio tape format left to come up with: DC International... (No english version available at this time.) Grundig was this close to teaming up with Sony - but Philips finally made the deal.

September 30, 2017 | Unregistered CommenterKurt Mueller

Too many reviews of old junk. get back to modern day stuff Techmoan, these reviews are just too tedius.

October 1, 2017 | Unregistered CommenterGus

Three out of the last five videos have been reviews of new products.
How about only watching the videos you are interested in?

October 1, 2017 | Registered CommenterTechmoan

I really prefer the `old junk' videos!

October 1, 2017 | Unregistered CommenterSnimmsu

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