※I was able to confirm the sound output. The volume, etc., knobs are wobbly, and the balance, TONE, and MODE buttons are in poor condition, so it is inexpensive, and is currently sold. A premain amplifier that uses Panasonic/Technics's own Class AA system. It is equipped with a direct power amplifier, and it is also possible to suppress signal deterioration as much as possible by shorting signal paths such as tone control. The impression is that the sound is transparent and natural. The exterior has many abrasions on the top plate, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.9.24 Operation confirmed (LINE, PHONO sound OK. The balance, tone, and mode buttons are slightly rough. (Originally, each knob wobbles slightly)
Accessories: power cable
Main specifications: 60W+60W W430 × H125 × D316mm 7.9kg
K's series premain amplifiers designed to play music by narrowing down the necessary functions to the minimum required. Equipped with a relay-type CD direct function so that you can listen to CDs with higher sound quality, it creates natural deep bass. The exterior has a feeling of use such as dullness and stickiness. Serial 40600005 (Asaina Satoshi method)
Maintenance information: 2023.10.12 sound output confirmed
Accessories: none
Main specifications: Rated output 40W+40W (8Ω) Rated power consumption 100W Maximum external dimensions 270 x 136 x 346 mm Weight 7.6 kg
※There is no problem with operation, but since it is inexpensive, it will be handed over as is. A compact pre-main amplifier with limited specifications of the INTEC205 series that achieves high quality specifications down to the smallest details, such as a high performance heatsink and gold-plated pin terminals. The exterior is dull and has small scratches. (MAKINO Yoshitaka)
Maintenance information: 2023.1.24 operation confirmed
Accessories: no accessories
Main specifications: 15W+15W (8Ω) input 6 systems W205 x H91 x D302 mm 3.5 kg
* It is inexpensive because the remote control is out of stock. DENON's long-selling 390 series 4th generation premain amplifier. It is recommended for those with desktop and size restrictions. A classic model that is small but thick in the middle range, and has a stable sound. The appearance may include bruises and threads. Serial 3061561507 (Miura Kimiya)
Maintenance info: 2022.7.30 Operation confirmed
Accessories: none
Main specifications: 50W+50W (8Ω) PHONO (MM) W434 × H121 × D338mm 7.0kg
* It is inexpensive because it has a cigarette smell. Half size premain It is recommended for subsystems, etc. It is also equipped with a phono, so it is ideal as an introductory analog machine. There are dullness and small scratches on the whole appearance. Serial 6608014161 (Miura Kimiya)
Maintenance information: 2022.4.3 operation confirmed
Accessories: No accessories
Main specifications: Rated output 43W+43W (8Ω) SN ratio 100dB W275 × H118 × D336mm 7kg
* Sound is OK, but there is a gully in the source direct switch and Laodoness switch. Low price and high quality model! We strive to be simple and achieve high quality while being an introductory machine. The drive capability is high, and the sound is sharp and deep. It also comes with a pre-out, so it's convenient when you want to use separate (Yasuhito Koshihama)
Maintenance information: 2021.10.16 Store operation confirmed (sound is OK, remote control OK, loudness, large gully in source direct)
Accessories: remote control, power cable
Main specifications: Rated output 50W+50W (8Ω) with PHONO input (MM) Dimensions W440 × H124 × D340mm Weight 7.5 kg
* There was no problem with the sound output, but since the balance volume is tight and there is an abnormal noise in the main volume, it is inexpensive, and is currently sold. Marantz entry model. Beautiful natural sound with a wide range of sounds. The company's design, which is thin and doesn't interfere with the interior, is also attractive; there are small scratches, dirt, and dullness (Oikawa Tetsuji)
Maintenance information: 2022.11.1 Operation confirmed (there was no problem with the sound output, but the balance volume was tight, there was an abnormal noise in the main volume, remote control OK)
Accessories: remote control, instruction manual, power cable
Main specifications: 40W+40W (8Ω) PHONO (MM) W440 × H105 × D370 mm 6.7 kg
※ There is gully in the push switch, but since it is cheap, it is currently sold. A high-cost performance machine equipped with the same functions as a normal pre-main amplifier, such as 2 speaker outputs, built-in phono equalizer, tone adjustment, loudness function, and remote control function. The appearance has a feeling of use such as small scratches and dullness on the whole (Yoichi Murakoshi)
Maintenance information: 2022.4.11 sound output confirmed
Accessories: remote control
Main specifications: W440 × H116 × D345mm 6kg
* There is no problem with operation, but since it is cheap, it will be passed as it is. A basic DENON stereo premain amplifier. The range is wide, and the glossy tone is attractive. It is a well-balanced, easy-to-use model suitable for introductory and sub use. The appearance is dull. Serial 7071561012 (Satoshi Yonejima)
Maintenance Information: 2022.5.23 Operation confirmed
Accessories: remote control, instruction manual
Main specifications: 50W+50W (8Ω) phono (MM) 1 system line input 5 systems with headphone terminal/pre-out W434 × H121 × D337 mm 7.1 kg
※ Present sale item. It is inexpensive because there are large scratches on the top plate edge of the main body. Built-in BurrBrown DAC, a premain amplifier that can be used as PC audio. LINE input is also a model that is easy to handle with 2 systems. Appearance is dull and small scratches (Sasaki Shota)
Maintenance Information: 2021.6.7 Operation confirmed
Accessories: Remote control, explanation, power cable, connection cable
Main Specifications: Output 40W+40W Digital Input USB/Coaxial, Optical Analog Input 2 Systems Sampling Frequency 32/44.1/48/88.2/96/176.4/192KHz ※ Optical is up to 96kHz W215 × H61 × D258mm 1.6 kg
※There is no problem with operation, but since it is cheap, it will be delivered as-is. The high output of the 80W high power digital amplifier makes desktop speakers sound powerful. ※There is no problem with the MUTE function, but the MUTE lamp is always on. Also, the remote control and antenna are not included (Sasaki Shota)
Maintenance Information: 2023.8.13 Operation confirmed
Accessories: power adapter
Main Specifications: Output: 80W+80W (4Ω) 50W+50W (8Ω) Input: Optical/Coaxial/USB/Bluetooth/AUX Input Sampling Rate: 44.1-192 kHz (coaxial, optical) 44.1-192 kHz (computer USB) Frequency Response: 18 Hz to 22 kHz Output Impedance: 4 to 8 Ω Size: D178 x W117 x D35 mm Weight: 1.36 kg
*Currently sold. It's slightly yellowed and the remote control is out of stock, so it's cheap. A pre-main amplifier that can be used as PC audio with a built-in BurrBrown DAC up to 192 kHz. The model also has 2 LINE inputs and is easy to handle. In addition to small scratches and dullness, there is also yellowing. Serial 0350471 (Yamato Yuki)
Maintenance information: 2024.4.7 operation confirmed
Accessories: power cable