Gorgeous pair of Vacuum Tube Monoblock Amplifiers Unique, only one pair exists. Mint condition classic Williamson Ultra-Linear circuit design Monoblocks for greatest channel separation Acrosound TO-300 Output transformers Matching pairs of Tung-Sol 5881, RCA 5V4G, RCA 6SL7 tubes "Mirror-image" monoblocks, this way they look much better One extra set of matching tubes included Tested and operates perfectly. Monoblocks combine the best of modern and vintage technology. It's famous 1950-60 Williamson circuit design. The only vintage parts are parts that are better vintage then modern, namely highly respectable vintage transformers and vintage vacuum tubes.
Being monoblocks, they have the greatest channel separation for ultimate sound experience. Tubes do sound better, warmer and sweeter! These are some of the nicest tube amps you ever going to find. This is a set of custom made Vacuum Tube Mono Block Amplifiers.
These are "one of a kind" and you will never find another set as there was only one set made. These amps are second to none. All work is hand finished, hand point to point wiring, and custom made to specifications. No expenses were cut and everything works perfectly and they sound unbelievable.Transformers are some of the best ever made and are Stancor PC8412 power trans, Acrosound TO-300 Output trans, and UTC Chokes. All tubes are vintage and test like new and consist of one RCA 5V4G, two Tung-Sol 5881 and one RCA 6SL7 per amplifier. Base is a Brazilian Cherry hardwood.. There is no scratches, dents, nicks or anything else, they are in absolutely beautiful condition.
If you are looking to get into tube amps you will never find a set as nice for this price. If you want to hear music the way it was intended to be heard you really might want to give these a listen to. 3 transformers in each monoblock : Stancor PC-8412 Power transformer Acrosound TO-300 Ultra-Linear Output transformer UTC CG-40 Filter Choke transformer. 4 tubes in each monoblock : (2) Tung-Sol 5881 power output tubes (military tubes, JAN = Joint Army Navy, marked "TUNG-SOL JAN-CTL-6L6WGB") (1) RCA 5V4G rectifier tube (1) RCA 6SL7 tube.
Specs: About 25-30wpc into 8 Ohms. 30wpc is estimate based on power transformer and output tubes, plus-minus 3wpc. Each monoblock weights about 28 lb (3 transformers weight a lot). Size 16 long x 11 deep (12 w/ speaker plugs) x 7-1/2 high. They are "mirror-image" monoblocks; this way they look much more attractive.And you have 2 options to place them. Base is a Brazilian Cherry hardwood with polyurethane finish. They were used very lightly. Over the years I simply keep in on my office shelf covered with protective plastic cases and listen a couple of times a year to keep them operational.
Tested and everything operates great. Great match with large Klipsch speakers (Forte, Cornwall, Belle) and many other high-end and efficient speakers (JBL, Electro-Voice, etc).
Crystal clear sound, no distortion. Transformers stay cool even after a long play. Included: One set of matching spare tubes (4 tubes). 2 power cables and 2 input cables. 1955 article with Williamson Amp circuit schematic diagram in PDF format.
It will be properly packaged for safe arrival. Tubes and tube sockets will be marked for correct tube placement. The item "Stunning Mint pair of unique classic Mono Block vacuum tube Amplifier valve amp" is in sale since Monday, December 7, 2020. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps". The seller is "ymarko" and is located in Jacksonville, Florida.
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