RAPHAELITE Hi-End CS21 211/VT-4-C/4211 13W*2 integratred singled ended tube valve amplifier,It is based on 6SN7 /6V6 /211 tubes,There are permalloy input transformers and 1:1.5 permalloy ste-up interstage transformer,It is much better than capacitor coupled amplifier,The 211 amplifier rate 13 watts output power on 8 Ohm speakers.
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UP for sale is a integrated 211/VT-4-C/4211 single ended tube amplifier from Raphaelite,The amplifier has a decent vintage style chassis which familiar with vintage Western Electric type amplifier.
Raphaelite CS21 is perfect in every way especially the circuit, The first stage uses permalloy input transformer with selectable gain,Low distortion and no feedback required,Second stage is 6SN7/6N8P in SRPP configuration,The SRPP has advantage of high input impedance and low outout impedance,It makes a huge soundscape and air high-range.Third stage is 6V6 beam tube is connected as triode tube,Coupling capacitor between 6V6 and 6SN7 is JENSEN copper foil in oil Hi-End audio capacitor.6V6 plate is connected a 1:1.5 ratio step-up permalloy driver transformer to provide enough voltage swing for 845 tube.There are two VU meters to monitor plate current of 211 tubes, Plate current and be precisely adjusted without reversing the amplifier.The VU meter's needel is swing when the amplifier is working.
Raphaelite CS21 211 single ended tube amplifier is even compatible with 845 tube after some adjustment is done,The power transformer and output transformer can rate sufficient power for 211/845 power triode tube.The amplifier also can be used as a pure power amplifier without input transformer,The input transformer can be removed and shorted with a jumper.