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DIY Classique Phono Valve Amplifier – Ready For Production


Good news for all vinyl fans! After going through final set of tests, our DIY Classique Phono Valve Amplifier boards are now ready for production.
The valve phono amplifier, which consists of two 12ax7 and a single 12au7 valves on a double layered PCB will be part of a DIY kit as well as individual module (PCB and components).

The DIY valve phono amplifier will be available at our online shop shortly.

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6BM8/ECL82 SE Valve amplifier PCB Version C – Completed Final Tests


Our third revision of the 6BM8/ECL82 SE Valve amplifier PCB has now completed the final set of tests. They will soon be released and replacing the second revision board.

The board has the the same footprint as the previous revision. The biggest change on this latest board is that all components are now mounted on the same side for easy assembly and diagnose.

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Exotic Boutique capacitors – from Russia with love

SSG-2 SILVER MICA – 99700pF – 100nF – 350V – 0.3%
SSG-2 SILVER MICA – 99700pF – 100nF – 350V – 0.3%

We are offering our customers a chance to get some really rare and unique capacitors at our online shop.

Take a look at the SGM-3 10000pF 350V Silver Mica Capacitor as an example. A perfect candidate for the RIAA circuit where precision and quality are the key!

Similarly, the SSG-2 SILVER MICA – 99700pF – 100nF – 350V – 0.3% would be a perfect companion too! This is another of the military-spec from the old USSR era.

What about this legendary S+M Sikorel 105 B41570-A9108-Q 1000uF 100V Aluminium Electrolytic Capacitor? Try and use them as smoothing capacitors in a power supply circuit and notice the difference.

S+M Sikorel 105 B41570-A9108-Q 1000uF 100V Aluminium Electrolytic Capacitor
S+M Sikorel 105 B41570-A9108-Q 1000uF 100V Aluminium Electrolytic Capacitor

Sikorel capacitors are known for their longevity and durability.

See all the capacitors HERE.

 

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Phono Preamp – Work Under Development

Well, they are suppose to be green! For some reason, during the development process of these boards, someone must have chosen the wrong colour!

These boards are going through final stages of tests and will be available rather soon.

The amplification is done two 12AX7 valves per channel. One being dedicated for the phono stage (with passive RIAA equalization) and another one for managing a line-level pre-amp duty. Output impedance is set to 100KOhm.

Watch this space!

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PCB Going Green

We have decided to for green PCBs rather than the standard blue for any future PCB! Whilst working with the latest production, we had a long and heated discussions on the best colour for the PCBs!

YES we do think that the colour effects the audio quality by indirectly changing the brain perception of the audio integrity. No scientific study of course – only some late night listening and discussions…

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Few NOS Mullards 6BM8/ECL82 Available

We now have a number of new old stock Mullards 6BM8 / ECL82 available in the shop. These Mullards really make huge difference compared to some others (hence higher prices!).

Mullard ECL82/6BM8
Mullard ECL82/6BM8

6BM8 / ECL82 are becoming more popular than ever. Once only known as TV-valves, now they are being used in more and more audio devices.

These tubes/valves are no longer hidden gems.

Get them when they are still available!

VISIT OUR SHOP NOW

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Welcoming 2019

Wishing all a happy new year. Caledonian Audio will be out-of-office for the next week!

A lot of work took place in 2018 at C.A.H.Q. This included commercially launching our first D.I.Y. valve amp kit. The aim for the next year is to launch the DIY phone preamp kit that we have been testing this year.

So watch this space!

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6BM8 SE Classique Transformers In Stock

Transformers from our trusted supplier primarywindings.com
Transformers from our trusted supplier primarywindings.com

Good news! We have just received the delivery of power transformers and audio output transformers from our trusted manufacturer of transformers http://primarywindings.com/. 

Those well constructed (and very heavy!) transformers were nicely packaged in a box and can now be shipped to our clients with the kit.