Great sound Dynaco ST-70 Stereo power Amp   
Refurbished 1 year Warranty (without tube) & Technical support
" This item is consignment sale "
Beautiful sound.
Modification 7199 tub to 6GH8 (6EA8, 6U8, 6BL8, 6KD8) & install 10 ohm resistor each cathode 6CA7, check each tube current draw 50ma, for protect output
transformer, (some new tube draw more than average) and speaker connector 
8 ohm now, (if you want change let me know) & RCA input. 
This is an amazing tube amp from 60s 
Use 2 x 6U8 (Sylvania) & 1 X 5AR4 (GE) & 4 X 6CA7 (2 Groove 2 sovetek) tubes.   Include 2 6GH8 & 2 6BL8

Sound is beautiful tone color is good. you'll love it sound tone 
Testing Altec, speakers, "Max Bruch - violin Concerto No 1
violin tone is beautiful and Love theme from St Elmo's Fire you will said WOW

Fair condition need good clean. 


NOTE ; All my item ship with tamper-evident tape/seals along the edges of the electronics (where the device might be opened up)  I will NOT accept a request for a refund/return if seals broken at the time of your request. 


Buy comfortable (warranty) with out Hassle. 

I'm an electronics technician with over 40 years of experience; 

100% of everything I sell or fix works as it should Buy with confidence.                                              

Thank you for your time.