Maintained! Yamaha's classic head amplifier. The sound is delicate and has good graininess, with good sound in the high frequencies. The uncharacteristic characters that can be used by a wide range of people, from beginners to intermediates, are attractive. Serial 02570 (Takasaki Atsushi)
Maintenance information: 2023.11.15 Maintained (all power supply section electrolytic capacitors replaced with high ripple types at 105°C products, mode changeover switch contact components mirror polished, oxidation prevention treatment. The DC offset of the amplifier section was readjusted, the distortion ratio was measured 0.03% or less, and the S/N90 dB or higher was confirmed. (Running test.)
Accessories: none
Main Specifications: Impedance 10/100Ω Gain Low34dB High14dB Input 1 System Bypass Allowed W150 x H67.5 x D352 mm 3.5 kg
The price has been reduced! 2023/7/3 A standard Yamaha head amplifier with a sales price of 29,800 yen. The sound is delicate and has good graininess in the high frequencies. The easy-to-use, non-addictive characters that can be used by a wide range of people, from beginners to intermediates, are attractive. There are dullness and abrasions (Sasaki Shota)
Maintenance Information: 2023.7.3 Operation confirmed
Accessories: none
Main specifications: impedance 10 ohm/100 Ω gain low 34 db high 14 db input 1 system bypass possible W150 x H67.5 x D352 mm 3.5 kg
The price has been drastically reduced! 2022/1/23 selling price 29,800 yen Yamaha's standard head amplifier. The sound is delicate and grainy, with good high frequencies. Characters that are easy to use and have no habit that can be used by a wide range of people from beginners to intermediate players are attractive. There are scratches on the appearance and corners. Serial 03245 (Satoshi Yonejima)
Maintenance information: 2022.1.23 operation confirmed
Accessories: No accessories
Main Specifications: Impedance 10Ω/100Ω Gain Low34dB High14dB Input 1 System Bypass Allowed W150×H67.5×D352mm 3.5kg
The price has been drastically reduced. 2024/2/27 sales price 34,800 yen Maintained! Yamaha's classic head amplifier. It is a delicate, well-grained sound with good texture in the high frequencies. It can be used by a wide range of people, from beginners to intermediate users, and in addition to the exterior and writing on the back, you can see dullness and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.2.27 Maintenance completed (pin jack repair, replacement of all relevant transistors, capacitors, amplifier section voltage/current adjustment due to migration occurring in the transistors on each board)
Accessories: none
Main specifications: impedance 10 ohm/100 ohm gain low 34 dB high 14 dB input 1 system bypass possible W150 x H67.5 x D352 mm 3.5 kg
The price has been drastically reduced! 2023/8/30 sales price 34,800 yen 6 month warranty. Yamaha's classic head amp. The sound is delicate and has good graininess in the high frequencies. The characters are easy to use, and have no habit, and can be used by a wide range of people, from beginners to intermediates, and are attractive. The exterior has stains, stains, and scratches. Serial 01606 (Kimiya Miura)
Maintenance information: 2023.8.30 maintained (offset adjustment. Electrolytic capacitor replacement. (Operation check)
Accessories: no accessories
Main Specifications: Impedance 10ω/100Ω Gain Low34dB High14dB Input 1 System Bypass Allowed W150 x H67.5 x D352 mm 3.5 kg
Maintained! Comes with a special shell! An MC equalizer amplifier that uses Yamaha's unique pure current amplifier circuit. A satellite amplifier with a FET module configuration is attached immediately after the cartridge and transmitted to the phono equalizer, making it an extremely geeky product. *This is a dedicated phonoico for MC cartridges, and when a FET is not mounted, protection is applied and no sound is produced (Oikawa Tetsuji)
Maintenance Information: 2024.2.4 Maintained (volume replacement. Drive board circuit and other solder deterioration fixes. Operation was confirmed with the included dedicated shell. (This unit cannot be used due to protection unless a dedicated shell is used)
Accessories: satellite amplifier (with shell), instruction manual, original box
Main specifications: gain 63.5 dB rated input 7 mV (1 kHz) rated output 150 mV (1 kHz) maximum output 7.8 V (1 kHz, 6 Vrms) output impedance 100 Ω frequency characteristics 20 Hz to 20 kHz ± 0.3 dB W160 × H96 × D274 mm 2.4 kg
Lead-acid battery powered MC head amplifier. The sound quality is superior to the price with excellent resolution and freshness. When turning off the power, press and hold the switch up for about 3 seconds to turn it off. The exterior is good with no noticeable scratches. ※This is not a phono equalizer (Oikawa Tetsuji)
Maintenance information: 2023.2.5 operation confirmed
Accessories: AC cable
Main specifications: input impedance 3Ω 10Ω 30Ω 100Ω 300Ω 47kΩ (switchable) W144 x H92 x D155 mm (excluding protrusions) 1.75 kg
※Since it is inexpensive, it will be handed over as is. TRIO head amplifier for rare MC cartridges. It is an MC head amplifier from the heyday of audio, characterized by a supple and natural sound. The exterior is dull and oxidized over time. Serial 860084 (Yonejima Satoshi)
Maintenance information: 2023.9.10 Operation confirmed
Accessories: AC adapter
Main specifications: MC type cartridge head amplifier input impedance 100 ohms input sensitivity 0.1 mV output impedance 100 ohms gain 28 dB frequency band 5 to 50,000 Hz dimensions W120 x H55 x D19 mm, 0.7 kg
*Currently on sale. MC head amplifier powered by batteries. You can also check the battery by switching the knob. This is a DC head amplifier that allows you to enjoy the sound of the cartridge straight away. The exterior is dull. Serial WA619B192 (Satoshi Yonejima)
Maintenance information: 2023.6.9 operation confirmed
Accessories: no accessories
Main specifications: size W140 x H55 x D265 mm weight 1.1 kg (batteries not included)
*Currently sold. MC head amp powered by batteries. You can also check the battery by switching the knob. This is a DC type head amplifier that allows you to enjoy the sound of a cartridge straight away. The exterior is dull (Oikawa Tetsuji)
Maintenance Information: 2023.7.17 Operation confirmed
Accessories: instruction manual, original box
Main specifications: size W140 x H55 x D265 mm weight 1.1 kg (batteries not included)
* Currently sold goods. Class A operation headphone preamp model without a remote control. Overall, the sound quality is transparent, and the bass is tight and precise. It can be used widely, up to low-impedance headphones, and is also excellent as a headphone amplifier. I see scuffs and scratches on the top plate. ※ I removed it as much as possible, but the rubber on the back of the foot melts and there is stickiness. Serial 0686 (Mizushima Itsuro)
Maintenance information: 2022.2.22 operation confirmed
Accessories: power cable
Main specifications: W230 × H83 × D276mm 3.5kg
※It has a cigarette smell, so it is inexpensive. An MC cartridge head amplifier with an eye-catching Esprit design on the orange side. Since it comes with a 3.40 ohm and PASS selector, it is compatible with each cartridge. The strong, clear sound is appealing. The exterior is dull and has small scratches. Serial 761810 (Kimiya Miura)
Maintenance information: 2023.3.12 operation confirmed
Accessories: no accessories
Main specifications: MC head amplifier frequency characteristics 6 Hz to 500,000 Hz gain 27 dB allowable input voltage 12 mV input impedance 25 ohms, 100 ohms power consumption 7 W size W135 x H80 x D345 mm weight 3.2 kg
An MC cartridge head amplifier with an eye-catching Esprit design on the orange side. Since it comes with 3, 40 ohm, and PASS selectors, it is compatible with each cartridge. The strong, clear sound is appealing. Two rubber parts on the sole of the foot are off. The exterior is dull and scratched. Serial 761931 (Kanai Hidetsugu)
Maintenance information: 2023.3.26 sound output confirmed
Accessories: none
Main specifications: MC head amplifier frequency characteristics 6 Hz to 500,000 Hz gain 27 dB allowable input voltage 12 mV input impedance 25 ohms, 100 ohms power consumption 7 W size W135 x H80 x D345 mm weight 3.2 kg
The disposal price was lowered. Member prices are not applicable. 2021/10/19 sales price 35,000 yen A head amplifier for MC cartridges with an Esprit design that draws attention to the orange color on the side. Comes with a selector for 3.40Ω and PASS, so it can be used with each cartridge. The strong core and clear sound are attractive. The appearance has dullness, small scratches, and rust. Serial 760922 (Makino Yoshitaka)
Maintenance information: 2021.10.19 operation confirmed
Accessories: No accessories
Main Specifications: MC Head Amplifier Frequency Characteristics 6Hz to 500,000Hz Gain 27dB Allowable Input Voltage 12MV Input Impedance 25Ω, 100Ω Power Consumption 7W Size W135×H80× D345mm Weight 3.2kg