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DYNACO ST-70 & AB, ultimate ST-70 upgrade kit, auto bias

Description: ST-70 & AB, ultimate Dynaco ST-70 upgrade kitWe are pleased to offer you our latest upgrade kit, our Dyna-70. This kit will replace the original Dynaco driver circuit and printed circuit board, using the excellent sounding 12AX7 and 12AU7 triode. Tubes are NOT included with the kit!This kit will change the way your tired old Dynaco ST-70 will sound and look!The kit you are buying will consist of all the necessary parts to assemble and install the new driver printed circuit board, and of course the AB-Q-ST70/ST120 Auto Bias module. You will also need to solder all the parts driver to the printed circuit board.The AB-Q-ST70/ST120 auto bias is pre assembled as it mostly uses surface mount parts.This is what you’ll get with the kit:- 1.6mm/0.08” thick printed circuit board- Russian oil capacitors and other name brand capacitors- quality metal film resistors- ceramic Gold Plated pcb mount octal tube sockets- necessary hardware to install the printed circuit to the amp chassis- fully assembled model AB-Q-ST70/ST120 auto bias module NOTE: all the parts are loosely packed in resealable bag. They are not packed into individually sorted parts. The benefits of upgrading your Dynaco ST-70 amp with our Dyna-70AB kit are: - a modern tube circuit using a LM334 based constant current source for a stable circuit- with the auto bias, there no more having to keep an eye on the output tube bias setting. The auto bias module will keep the pre-set bias for the life of the power tube! The bias level is pre-set by us to suit the EL34 family of tubes.- not to mention that your ST-70 amp will look pretty cool with with blue LEDs that shine ! Should a tube fail of the auto bias module can no longer maintain the preset bias level, the relevant LED will go out indicating that the power tube needs to be replaced. It is THAT simple!Even tubes that are not well matched, the auto bias module will maintain each tubes' bias level at the preset level! So the output stage is always well balanced and held in equal bias! Please note, we DO NOT accept ANY returns or refunds of kits that have been shipped, so please make sure you understand what you are buying, which is an electronic KIT that requires assembly and soldering. The ST-70 amp is of course NOT included!

Price: 138 USD

Location: Brezno

End Time: 2023-09-03T19:01:48.000Z

Shipping Cost: 19 USD

Product Images

DYNACO ST-70 & AB, ultimate ST-70 upgrade kit, auto bias DYNACO ST-70 & AB, ultimate ST-70 upgrade kit, auto bias DYNACO ST-70 & AB, ultimate ST-70 upgrade kit, auto bias

Item Specifics

All returns accepted: ReturnsNotAccepted

Model: Dynaco ST70 - ST120

Country/Region of Manufacture: Czech Republic

Brand: Audioamp.eu

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