※Since it is cheap, it will be handed over as is. A compact vacuum tube preamp kit with a simple configuration. The elastic, straight sound quality makes it hard to think it's small. In addition to the line with volume and balance controls, the phono can also be switched between MM/MC (Ryo Mizusaki)
Maintenance information: 2023.12.26 operation confirmed
Accessories: power cord
Main specifications: used vacuum tube/FET (signal system) 6189W (12AU7) x 3, 2SK170 x 4 input terminal PHONO x 1 (MC/MM is switched with a switch on the rear panel), LINE x 2, TAPE (MD) x 1 W130 x H125 x D248 mm (including protrusions), weight 1.8 kg
Single amplifier using small transmit tube VT-137. You can hear a tasteful sound that looks like a single amp while it has a small output. Because it comes with VOL, you can enjoy it directly connected to a CD. The appearance is dirty and dull. (MIURA Kimiya)
Maintenance information: 2021.7.22 working confirmed
Accessories: no accessories
Main Specifications: VT-137 Single W250 ✕ H155 ✕ D230mm Weight 1.8 kg
*Currently sold. It is characterized by a clear tone without stuttering, similar to recent tube amplifiers. In addition to the warmth unique to the tube type, it makes the POPS system sound bright and cheerful with a wide range and clear sound quality. The exterior has markings, line marks, and dullness on the main body. The hood is out of stock (Mizusaki Ryo)
Maintenance information: 2023.12.26 sound output confirmed
Accessories: power cord
Main specifications: W330xH160xD240mm 9kg
*Currently sold 6BW6 single power amplifier. This is Kasuga Radio's small single amplifier. It is made assuming a small-unit bass reflex speaker, and is designed to increase low frequency reproduction capability. I recommend this one to those who want to use it casually on a desktop. (TAMURA Eiji)
Maintenance information: 2023.9.17 Operation confirmed
Accessories: Assembly manual
Main specifications: 1.1 W+1.1 W, frequency characteristics 39 Hz to 31 kHz, W210 x H115 x D190 mm, weight 2.62 kg
The base seems to be Kasuga Radio's Ka-18PH Mk2, but the output transformer etc. have been changed. The unique warmth and soft tone of the vacuum tube comes out. The appearance has a feeling of use such as dullness. (Asaine Chiho)
Maintenance information: 2021.12.12 operation confirmed
Accessories: None
Main specifications: Vacuum tube used PCL86 × 4 size W280 × H135 × D180mm Weight 5.0kg (actual measurement)
Stereo power amplifiers that can also be used in bi-amps and mono. Despite its small size, it realizes a sense of power full of instantaneous power that could only be obtained with large heavyweight amplifiers. You can enjoy high sound quality regardless of where you place it. The appearance has Slight Scratch. Serial 1200167 (Tamura Eiji)
Maintenance information: 2021.6.30 working confirmed
Accessories: AC adapter
Main specifications: SCDS method 56W+56W (4Ω) 28W+28W (8 Ω) External dimensions W149 × H39 × D172mm Weight 1.2 kg