** This Ad is Marked as SOLD by seller and cannot be responded to. **
Completely rebuilt Knight KG400 Ultra Linear amplifier built in 1965. Most vintage amplifiers such as Fisher & Scott used pentode power tube operation, not Ultra Linear. For the most part, new manufactured tube amps use ultra linear connected power tubes for lower distortion and better sound. The amplifier produces 16 watts RMS per channel.
The amplifier has new power supply, cathode bias and Russian K40Y-9 paper in oil audio coupling capacitors for best sound. New tubes include Sovtek EL84, Sovtek 12AX7LPS phase inverters, Sovtek GZ34 rectifier, great sounding Westinghouse 12AX7 for phono and high testing used RCA 12AX7 black plates for the preamp. Tubes are a $200 value. Being rebuilt it is a bargain plus it sounds better than factory stock Fisher & Scott amplifiers due to the K40Y-9 paper in oil coupling capacitors installed. The Knight is a high quality amplifier like Scott & Fisher amplifiers..
The first phono tube filament has been modified using an IC regulated DC filament for lowest possible AC hum. This supports high sensitive speakers that can exaggerate hum at higher levels. The new IC regulated filament power supply transformer looks factory stock as installed in the amplifier. One picture shows a wood cabinet, this amp has a wood grain metal cabinet that looks like the wood cabinet picture. The metal case dissipates heat much better than wood, Condition is excellent and chassis is very clean. This amp should not need service for 50 years beyond replacement tubes. Stock vintage amps do fail without a rebuild. Amplifier rebuilds cost $450-$800+. I have rebuilt 100s of tube type amplifiers with pleased customers.