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Post subject: my new project. Ultra Linear (based on Bandmaster/Twin)
Posted: Fri May 28, 2010 11:25 am
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Joined: Tue Mar 30, 2010 11:13 am
Posts: 44
Location: Australia, New South Wales
So I decided to start another project. to make a small to medium size amp + speaker. And to share it here :).

Chassey old stereo (valve) radio.

Audio Transformer is a 15watt (Nominal) multitap, to my surprise an Ultra Linear. which

I pulled off another chassey which was not in good condition and dicosevered the power transformer was blown up which isn't really a big deal at all.

Speaker: Peasely/Rola 12P, 20watts, 8 Ohms, 12"

Most of the speakers laying around where 12" and that was the best one laying around. As the chassey was 36cm made sence to use a 12" anyway.

Circuit: Kind of a Bandmaster with just normal channel with ultra linear
Or could be described as.
Standard Fender Input design, Ultra Linear Twin Reverb power design but with 2 x 6L6 power tubes (ultra linear) and some other changes.

Controls: Volume, bright switch, Trebble, Mid, Bass.

Cabinate: Deluxe style. 40cm (w) x 40cm (h) x 24cm (d)

I will upload some picks sometime today.

_________________
Fender American Standard 2009 (Sienna Sunburst /w Rosewood Neck)
Fender Blacktop Telecaster '10 (Black Maple)
Fender Bassman 100 (Rola 12UX)
Fender Twin Reverb '77 Ultralinear


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