Worn parts have been replaced, and maintenance has been completed, including SW class disassembly and polishing. A pure Class A power amplifier featuring a plump, warm tone typical of Luxman. It has both softness and strength, and you can enjoy thick sound quality in the mid to low range. Mono drive with BTL connection is also possible. The exterior has small scratches and a feeling of use such as dullness. Serial W30811341 (Tomonori Asaine)
Maintenance information: 2026.4.4 maintained (panel switch and attenuator disassembly contact polishing. If the screws on this type of LUXMAN speaker terminal are too tight, the plastic will deteriorate and weaken, so it will break. Produced by mounting and processing with a plate. Rear panel changeover slide switch disassembly contact polishing. The output relay was also replaced. Digital meter adjustment 2016.3.11 manufacturer maintained (speaker output relay replaced. The electrolytic capacitor was replaced due to deterioration. Solder deterioration correction. Clean each switch contact. Overall adjustments. (Each operation test)
Accessories: copy of instruction manual
Main specifications: stereo output 55 W+55 W (8 ohms) pure A grade operation, mono output, 220 W (balanced input), frequency characteristics, 5 Hz to 300 kHz, direct reading type level indicator, W444 x H211 x D417 mm, 22 kg
Input transformer sold 1 piece transformer ratio (primary: secondary) 1+1:0.6 +0.6 primary impedance 4 kΩ (series), 1 kΩ (parallel) primary maximum superposition current DC15mA (primary direct connection) primary inductance maximum B voltage DC1000V winding resistance DC: primary 144 ohm x 2, secondary 43 Ω x 2, W50 x H80 x D54 mm, 0.74 kg with original box (Kojima Yosuke)
Accessories: original box, TANGO badge, specifications (copy)
Main specifications: (resistance value between each terminal according to the tester) 3-5:44.3 Ω, 4-6:44.3 Ω, 8-10:147.6, 9:11:147.9 Ω
Maintained. The grain of the sound is clear and the smoothness of the connection has also been improved. This is a 1200 Hz crossover network ideal for the combination of a 38 cm woofer and 1 inch driver. The exterior has dullness and scratches due to use over time, serial 18254 18275 (Asaine Satoshi Law)
Maintenance Information: 2024.4.16 Maintained (Screws, Insulated Washer Parts Replacement Switch Contact Cleaning)
Accessories: none
Key Specifications: Crossover 1200 Hz 8 Ohm 3 Position Switch with Level Control