The price has been reduced! 2022/12/2 sales price 2,500 yen*There is no problem with operation, but since it is inexpensive, it is currently sold. The inductor coil uses TDK, and the operational amplifier is a portable amplifier equipped with NE5532. It makes me listen to the small speaker in a quiet way. There is a feeling of use on the exterior such as small scratches (Tomonori Asae)
Maintenance information: 2022.12.2 operation confirmed
Accessories: AC adapter
Main specifications: 20W+20W Impedance: 4 to 8 ohms 40 x 118 x 41 mm 270 g
*The AC adapter is sold separately and is not included. The sound comes out on both the left and right, but the vacuum tube lamp on the left is out. Vacuum tube line preamp from the Splat Japan FX-AUDIO brand. It has a high sound quality finish that evolved from the previous model, Tube-01, by enhancing parts and circuits, such as installing a gain setting switch (Oikawa Tetsuji)
Maintenance information: 2023.2.26 operation confirmed
Accessories: instruction manual, original box
Main specifications: frequency characteristics 20 Hz to 35 kHz W95 x H60 x D99.5 mm (not including protrusions) 305 g
※There is no problem with operation, but since it is cheap, it will be delivered as-is. Although it is small, it is equipped with a TREBLE and BASS equalizer, making it convenient for simple use. Rubber feet have been added to the exterior (Mizusaki Ryo)
Maintenance Information: 2023.8.15 Operation confirmed
Accessories: power cord
Main specifications: W140 x H50 x D100 mm Weight 240 g
※Since it is cheap, it will be delivered as is. It is a compact digital mini power amplifier that boasts strong power of 50W+50W. It has a simple configuration with only AUX, micro USB, and Bluetooth inputs. (MIURA Kimiya)
Maintenance Information: 2023.7.1 Operation confirmed
Accessories: instruction manual, AC adapter, connection cable, original box
Main Specifications: Digital Power Amplifier 50W+50W Input AUX, Micro USB, Bluetooth W78 ✕ H37 ✕ D70mm Weight 123g
price cut! 2021/6/11 selling price 5,000 yen Simple configuration stereo power amplifier. It seems that it was supposed to be used in pairs with the ST-K808 tuner amplifier. The appearance has a feeling of use such as small scratches and dullness. Serial WA0221C170 (Takahashi Nobuyuki)
Maintenance information: 2021.6.11 working confirmed
Accessories: instruction manual
Main specifications: Size W430 × H76 × D280mm Weight 6.5 kg Rated output 45W+45W (8Ω, 20Hz to 20KHz)
An ultra-small power amplifier that was included in the 2012 issue 1 appendix of Stereo magazine. It is easy to use with enough power and simple construction to make a small speaker sound. (TAMURA Eiji)
Accessories: power adapter, instruction manual
The price has been drastically reduced. 2023/12/31 sales price 3,500 yen. Standard model for mid-output class power amplifiers. The “TDA7492PE” is used as a digital power amplifier IC to achieve low cost and high sound quality. While retaining an analog-like sound, it is characterized by high resolution sound quality with little haze (Takasaki Atsushi)
Maintenance information: 2023.12.31 operation confirmed
Accessories: AC adapter
Main specifications: maximum output 48 W+48 W compatible speakers, 4 ohm to 16 ohm output gain settings, 20.8 dB/26.8 dB/30 dB/32.8 dB (set with the DIP switch on the back of the main unit) W98 x H33 x D123 mm (excluding protrusions) 325 g
This is an appendix power amplifier for Digifi No. 17. You can enjoy the powerful sound even though it is small. The exterior is torn in the magazine (Mizusaki Ryo)
Maintenance information: 2023.1.23 sound output confirmed
Accessories: original box
Main specifications: frequency characteristics: 3-45,000 Hz±2dB output: 12W+12W (6Ω) W75 x H37 x D75 mm weight 71 g
※ It will be passed as it is inexpensive. A compact power amplifier that takes up little space in its small size. You can enjoy music casually even in places where there is no space (Oikawa Tetsuji)
Maintenance Information: 2021.4.25 Operation confirmed
Accessories: original box, AC adapter, instruction manual
Main specifications: 5W+5W (8Ω) 8Ω ~ 16Ω W86 × H26 × D67mm Weight 200g
price cut! 2021/7/9 selling price 10,000 yen 6ch power amplifier for surround playback, can be switched to 5, 4, 3ch. It is energetic and bright sound quality. Appearance is Kusumi, and there are small scratches and marks of rubber feet on the top plate. Serial 59X00271 (Takahashi Nobuyuki)
Maintenance information: 2021.7.9 working confirmed
Accessories: none
Main specifications: W430 × H122 × D355mm 9.1kg (measured)
* Because it is cheap, it will be passed on as it is. A small digital amplifier ideal for desktops. It is one unit that is small in size and seems to be able to play in various ways. There are no noticeable scratches on the exterior. (Eiji Tamura)
Maintenance information: 2021.12.22 operation confirmed
Accessories: AC adapter, original box
Main specifications: 12W+12W (8Ω) W90 ✕ H40 ✕ D90mm
※ Current sale item · Mono 1 unit. Pure mono power amplifier with high sound quality design. The TPA3116 digital power amplifier IC is driven in parallel BTL mode to achieve a driving force of up to 100W. Equipped with a stereo-to-mono conversion function, mono output is possible for one speaker. AC adapter (sold separately) is not included (Takasaki Takasaki)
Maintenance Information: 2021.2.28 Operation confirmed
Accessories: Explanation, original box
Main Specifications: Input terminal, RCA terminal mono/stereo (MIX) output terminal, 1ch mono speaker output (gold-plated speaker terminal compatible with banana plug) Maximum output 100W Speaker 4Ω to 16Ω Gain Setting (20/26/32/36dB) W98 × H33 × D123mm 350g
※ Current sale item · Mono 1 unit. Pure mono power amplifier with high sound quality design. The TPA3116 digital power amplifier IC is driven in parallel BTL mode to achieve a driving force of up to 100W. Equipped with a stereo-to-mono conversion function, mono output is possible for one speaker. AC adapter (sold separately) is not included (Takasaki Takasaki)
Maintenance Information: 2021.2.28 Operation confirmed
Accessories: Explanation, original box
Main Specifications: Input terminal, RCA terminal mono/stereo (MIX) output terminal, 1ch mono speaker output (gold-plated speaker terminal compatible with banana plug) Maximum output 100W Speaker 4Ω to 16Ω Gain Setting (20/26/32/36dB) W98 × H33 × D123mm 350g
* Because it is cheap, it will be passed on as it is. A small digital amplifier ideal for desktops. It is one unit that is small in size and seems to be able to play in various ways. There are no noticeable scratches on the exterior. (Eiji Tamura)
Maintenance information: 2021.12.22 operation confirmed
Accessories: AC adapter, original box
Main specifications: 12W+12W (8Ω) W90 ✕ H40 ✕ D90mm
*Magazines are not included. Original digital amplifier from Stereo magazine appendix. In a joint project between Luxman and Stereo magazine, the output has been upgraded from the previous model, such as higher sound quality capacitors, and gold-plated terminals (Fujisawa Yukishi)
Maintenance Information: 2022.5.12 Operation confirmed
Accessories: AC adapter
Main specifications: Rated output 12W+12W (8Ω) Frequency characteristic 10Hz to 40000Hz S/N ratio 90dB Speaker impedance 4Ω to 8Ω