The price has been reduced. 2025/4/21 sales price 298,000 yen 2024.1.16 Maintained. Genuine RF 100V specification KSA-50 is KRELL's early masterpiece. Ideal mid/bass tones with a sense of volume and firmness, and luster and moisture in their heyday. It is a masterpiece amplifier that is still particularly popular with enthusiasts. Serial 618 (Kanai Hidetsugu)
Maintenance information: 2024.1.16 maintained (deteriorated capacitors in the voltage amplifier board were replaced on both left and right, all semi-fixed volumes for adjustment were replaced, all power transistor heat dissipation grease was reapplied, fan disassembly, cleaning and lubrication, SP terminal replacement, bias and DC offset readjusted, and specs were inspected) 2025.4.21 operation confirmed
Accessories: power cable
Main specifications: 50W+50W W483×H226×D480 mm 24kg
Genuine RF 100V specification. Inspected in March 2022. Pure Class A control amplifier using independent left and right power supplies. Both the luster of the sound and the sense of extrusion are the highest among KRELL control amplifiers. The expressive power as if the sound is bouncing around with agility, and the superb expressive power that balances dynamic sound push and pull are appealing to the ears. The interior also has a completely independent structure, and the construction is also amazing. Serial ♯ 107 (Kanai Hidetsugu)
Maintenance information: 2025.4.21 operation confirmed
2022.3.21 inspected (specification inspection and inspection of each operation were performed)
Accessories: power supply unit
Main specifications: 100V specification input terminal/PHONO1 (MM) PHONO2 (MM) TUNER/TAPE total harmonic distortion 0.005% or less S/N ratio 80dB or more* The back switch is a picofarad (high frequency characteristics) correction switch for MM cartridges, but there is no change in auditory perception (50 recommended) W483 x H62 x D265 mm 4 kg