Vintage Tube Amp

VINTAGE EXCELLENT KENNEDY 521 MARCONI ERA 2 STAGE OLD ANTIQUE RADIO AMPLIFIER. Please see photos to determine condition yourself. This is a genuine vintage vacuum tube amplifier produced by The Colin B. (San Francisco / Saint Louis). It was designed as a companion unit for Kennedy regenerative radio receivers to provide two stages of audio amplification. Key Features & Markings. “Type 521 Two Stage Amplifier” clearly marked on the front panel. Kennedy Equipment logo and company markings (San Francisco / Saint Louis). Original metal serial number plate: L4621W1. Bakelite knobs, filament controls, binding posts for A/B batteries, phones output, and antenna/tuner connections. Original wood base and dark finish case. Perfect for antique radio collectors, early wireless enthusiasts, or display with a Kennedy 281 or similar crystal/regenerative set. A piece of radio history from the dawn of the broadcast era! Condition: Good vintage condition for its 100+ year age. Shows honest wear, patina, and surface dust consistent with age. Untested (tubes included in photos). All original components appear present but I’m not 100% sure Great display piece as-is.

MT31 TUBE Matched pair (two tubes) type MT31 VINTAGE VACUUM TUBES VALVES made by Marconi in Italy in perfect NOS NIB conditions as You can see!! Metal base, all labels originals, Original boxes LONG BIG BOTTLES FULL SHINING GETTER MINT CONDITIONS. FOR A GREAT PROJECT DO IT YOURSELF DIY POWER AMPLIFIER VINTAGE STEREO FULL OF POWER OUTPUT. Take out only to take pictures These wonderful tubes are DIRECT HEATER TRIODE DHT with Round Plate BLACK CARBON PLATE LONG -> Wonderfoul Sound in audio Equipment!! Here You are Specifications of these tubes Vf = 10 Volt If = 4,8 Ampere V Plate (MAXIMUM voltage plate anode) = 1.600Volt Similar to RS237 Telefunken and 211 RCA Transmitting tubes made in Italy. IF YOU MAY NEED OTHER PIECES (TO MAKE QUAD QUARTET MATCHED) JUST ASK tube valve lampe röhre tsf HAM RADIO audio hi-end hi-fi diy POWER AMPLIFIER Pre-Amplifier Preamp Pri stereo SE Single Ended PP Push-Pull VINTAGE POWER AMPLIFIER TRANSMITTING TRANSMITTER VALVES TUBES röhren. The item “MARCONI VACUUM TUBE PAIR TUBES NOS NIB MT31 RS237 211 RCA 845 VINTAGE STEREO AMP” is in sale since Friday, May 18, 2018. This item is in the category “Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets”. The seller is “wege_high_tubes” and is located in Verona. This item can be shipped worldwide.

• Non-Domestic Product: No
• Model: MT31
• Modified Item: No
• Country/Region of Manufacture: Italy
• Custom Bundle: No
• Bundle Listing: No
• Type: Power Tubes
• MPN: Does Not Apply
• Brand: MARCONI