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View Full Version : Is this a Firebottle OTP MK1 or Mk2



gninnam
30-12-2018, 15:43
Bought this just before Xmas and now plumbed (sounding very good I must say :eyebrows:)

Was sold as a Mk2 (I have no reason to not believe the seller) but just want to make sure (what is the difference betwixt Mk1 and Mk2?)

https://i15.photobucket.com/albums/a373/gninnamag/Hifi/New%20Phono%20Stage/20181230_110750_zps3gbohqe7.jpg

http://i15.photobucket.com/albums/a373/gninnamag/Hifi/New%20Phono%20Stage/20181230_110518_zpsisnmanxw.jpg

http://i15.photobucket.com/albums/a373/gninnamag/Hifi/New%20Phono%20Stage/20181230_110544_zpsyvau5mfv.jpg

http://i15.photobucket.com/albums/a373/gninnamag/Hifi/New%20Phono%20Stage/20181230_110555_zpsj6q10hbk.jpg

http://i15.photobucket.com/albums/a373/gninnamag/Hifi/New%20Phono%20Stage/20181230_110736_zpsdy34cssr.jpg

Many thanks

Bigman80
30-12-2018, 16:05
That's a MK2 in a MK1 body. I'm 90% sure anyway

Firebottle
30-12-2018, 16:32
100% correct.

The Mk2 has the extra low noise 'front end' or first chip. Also the coupling/output capacitors were designed out for the Mk2.

gninnam
30-12-2018, 16:41
Thanks chaps - I thought it might be but just wanted to be sure :)

Bigman80
30-12-2018, 17:34
100% correct.

The Mk2 has the extra low noise 'front end' or first chip. Also the coupling/output capacitors were designed out for the Mk2.That's right, after I spent three weeks switching capacitors to find the best ones lol