A rare FR dynamic balance type long arm, which has not arrived in a long time, has arrived! Dynamically balanced Roman arms. It uses a central mass concentration structure and a differential damping mechanism to produce precise and accurate sound. *Phono cable is missing. Serial 161934 (Tamura Eiji)
Maintenance information: 2024.5.29 continuity confirmed
Accessories: original box, instruction manual
Main specifications: Long arm dynamic balance needle pressure range 0 to 3 g total length 379 mm effective length 307 mm overhang 12 mm compatible cartridge 17 to 32 g arm height 36 to 72 mm
The price has been drastically reduced! 2024/6/18 sales price 450000 yen Hi-Fi Hall's first Amphion mono power has arrived! Driving power and power have increased as mono has become mono, and it is a highly expressive amplifier that clearly depicts the outline of musical instruments, etc. There are small scratches on the exterior. Genuine Scantech Serial APM0007/APM0008 (Tamura Eiji)
Maintenance information: 2024.6.18 Operation confirmed
Accessories: power cable
Main specifications: rated output 120W x 2 (8Ω) 200W x 2 (4Ω) input terminal RCA x 1 system/XLR terminal x 1 system W400 x H100 x D400 mm weight 22 kg
The price has been drastically reduced. 2024/6/5 sales price 348,000 yen Maintained! This is a very well made 300B single amp. The outstanding sharpness and power, and sweet and gorgeous sound are unbearable. The JJ 300B is used as the output tube. It is a combination of the popular transformer TAMURA F-2007 pair, PC-3004, and A-4003. The first stage uses 12AT7, and the rectifier tube uses 5AR4. It comes with a volume and can be connected directly to a CD. There is a ham balancer inside (Yasuhito Koshihama)
Maintenance information: 2024.6.5 maintained (AC cord missing added; wiring changed to output impedance 4Ω → 8Ω; main volume 100K B curve → 2 replacement; vacuum tube 12AT7 deterioration replacement; RCA jack and vacuum tube socket caulking repair. Operation checked with AC 100V (measured with rated output 10W+10W SP8Ω)
Accessories: power cable
Main specifications: output 10W+10W (actual measurement) W434 × H217 × D333 mm 18.9 Kg (actual measurement)
The price has been drastically reduced! 2024/6/14 sales price 238,000 yen Maintained! A popular preamp sold during the heyday of analog. The mid-range is more glossy and has a sexier vibe than those after C29. That rich sound can truly be said to be a preamp representing the golden age of Mackins'. There are scratches, small scratches, and partial peeling on the exterior. Serial AK1482 (Tamura Eiji)
Maintenance information: Maintained on 2017.7.8 (main volume contact cleaning (slight gang error may occur because parts are not available). Other switches, volume contact cleaning. Amplifier board electrolytic capacitor replacement. Panel lamp replacement. RCA terminal replacement. Correction of areas where panel peeling can be fixed. Check the operation of each input/output)
Accessories: instruction manual (English)
Main specifications: 4 input terminals, 4 PHONO input systems, 2 pre-out systems, W430 x H140 x D365 mm, 13.8 kg
Maintained! Comes with a remote control. A CD player developed to commemorate the 100th anniversary of Philips's founding. The sound is soft and relaxed, and the thickness of the analog-like mid-low range is particularly irresistible. A swing-arm CDM-4 mechanism is used for the mechanism part, and TDA1547 (DAC7) is used for the D/A conversion part to achieve advanced S/N improvements. As for the exterior, there are bald spots and stains on the SW area. MZ019204080075 (Tamura Eiji)
Maintenance information: 2024.6.9 Maintained (both tray slide belt and CD standby motor belt replaced. Other CD mechanisms, drive circuit check, reading check OK, remote control check OK)
Accessories: remote control, lock pin
Main specifications: CDM-4 mechanical DAC7 equipped analog output 2 systems (XLR/RCA) 2 digital output systems (optical/coaxial) W457 x H140 x D359 mm 16.7 kg
Hi-Fi's first Trilogue series subwoofer has arrived! Not only for those using the Trilogue speaker, it also demonstrates sufficient performance as a standalone unit. This is a spike specification. There are wrinkles on the exterior like wrap marks. Serial 30-07-00 (Tamura Eiji)
Maintenance information: 2024.5.30 Operation confirmed
Accessories: power cable, saran net, original box
Main specifications: built-in power amplifier, 2 speakers, bass reflex, built-in power amplifier output, 200W, high frequency cutoff frequency 40/50/60hz, W380 x H540 x D650 mm, weight 45 kg
Hi-Fi's first Trilogue series subwoofer has arrived! Not only for those using the Trilogue speaker, it also demonstrates sufficient performance as a standalone unit. This one is not compatible with spikes. The exterior has dullness and scratches. Serial 30-07-00 (Tamura Eiji)
Maintenance information: 2024.5.30 Operation confirmed
Accessories: power cable, saran net, original box
Main specifications: built-in power amplifier, 2 speakers, bass reflex, built-in power amplifier output, 200W, high frequency cutoff frequency 40/50/60hz, W380 x H540 x D650 mm, weight 45 kg
The price has been drastically reduced! 2024/5/23 sales price 198,000 yen ※This is a record player with Garrard 401 and Technica AT-1503/3 mounted on a 50Hz double arm cabinet. The powerful, thick, and energetic sound unique to rim drives is attractive, and you can enjoy the rich sound typical of analog. The exterior has peeling, scratches, erased characters, scratches, etc. Serial 42640 (Tamura Eiji)
Maintenance information: 2024.5.23 Maintained (dirt cleaning. Motor disassembly, inspection, lubrication and assembly. Motor spring rubber sleeve replacement. AC cord replacement Main bearing disassembly, bearing thrust replacement, lubrication, oil sealant application, assembly. idler cleaning. Speed adjustment linkage adjustment. brake adjustment. Oil felt replacement. Mounting stud bolts missing/added; nuts, metal washers, and rubber washers added. Running tests OK. (*There is a slight loud noise when turning in the opposite direction, but this is the current situation)
Accessories: No accessories
Main specifications: 50 Hz specification idler drive 33/45/78 rotation arm part: static balance type execution length 257 mm compatible cartridge 13.5 to 33 g (including shell) needle pressure range 0 to 3 g W540 x H180 x D640 mm
For the first time in about 8 years, Mysonic Labs ultra-low impedance mono MC cartridges have arrived! It is a cartridge designed to extract as much information as possible from mono LPs. Even though it's clear, you can feel the richness of the relaxed sound, and it makes me reaffirm the goodness of mono LPs. Serial A577 (Tamura Eiji)
Maintenance information: 2024.6.1 operation confirmed
Accessories: instruction manual, original box, needle cover, brush
Main specifications: Ultra low impedance MC cartridge frequency range 10 Hz to 50 kHz output voltage 0.4 mV impedance 1.2 Ω needle pressure 3 g
Maintained by Luxman! This model is a return to Luckstone, which is reminiscent of the tube ball era. By changing from pure A grade up until then to grade AB, the sense of extrusion is prioritized, and the corners of the high range are rounded up to give the mid to low frequencies a sense of volume. It has excellent sharpness, and I would recommend this amplifier to almighty music fans. On the exterior, there are dirt scratches, threads, and peeling on the veneer sheet. Serial W90712062H (Tamura Eiji)
Maintenance information: 2024.6.14 Maintained by the manufacturer (power supply part, fuse broken replacement. Install the volume and fix it. Output relay contact fault replacement. Meter lamp replacement. Power supply unit, diode replacement. Replace the amplifier section and semi-fixed volume for adjustment. Board solder correction. volume, switch contact cleaning. Remote control replacement (Internal cleaning, general cleaning)
Accessories: remote control, power cable
Main specifications: 70W+70W W467 x H179 x D440 mm 19 kg
Speaker cable 2.0m pair end Y lug specification An old type of speaker cable using carefully selected vintage wires. Each has a different structure on the HOT and GND sides. Clear sound with good separation. The exterior has frayed cloth (Tamura Eiji)
Maintenance information: 2024.6.13 operation confirmed
Accessories: none
The disposal price has been reduced! (Member price not applicable) 2024/5/24 sales price 128,000 yen A digital amplifier equipped with a Tripath class T PWM amplifier IC. It beautifully expresses the sense of energy and description. Gain can also be switched on the back, and it is compatible with a wide range of input sources. On the exterior, there are oxidation and scratches on the manufacturer logo. Serial 100210015 (Tamura Eiji)
Maintenance information: 2024.5.24 Operation confirmed
Accessories: instruction manual, power cable, spike
Main specifications: output 150W+150W (8Ω) 240W+240W (4Ω) W420 x H98 x D395 mm weight 13 kg
Speaker cable 1.8 m pair with Y lug specification at both ends is a speaker cable representative of TMD. Constructed of carefully selected vintage wires typical of the company. The richness and realism of the mid-range is an appeal that cannot be experienced anywhere else. The thicker one is negative, and the thinner one is the positive side. There is rubbing on the spade plug (Tamura Eiji)
Maintenance information: 2024.6.13 continuity confirmed
Accessories: none
The disposal price has been reduced! (Member prices are not applicable) 2024/4/28 sales price 99,800 yen D/A converter with a dual monaural configuration equipped with 2 “ES9038PRO” units. Using 3 Talema toroidal transformers, you can feel the creator's commitment. More natural sound can be reproduced. On the exterior, there are noticeable line marks on the top plate (Tamura Eiji)
Maintenance information: 2024.4.28 Operation confirmed
Accessories: No accessories
Main Specifications: Coaxial/BNC/AES/Optical: PCM44.1k to 192 K/16 to 24 bit, DOP64 I2S Input: RJ45/HDMI PCM44.1K to 768K 24/32 bit DSD64 to DSD1024 DOP64 to 256 W430 x H80 x D335 mm Weight 5.4 kg
The price has been drastically reduced! 2024/4/27 sales price 79,800 yen Maintained! This is the first AUDIO OF OREGON control amplifier to arrive in a long time. It is compatible with 117V specification American speakers such as ALTEC and JBL, etc., and although it is a transistor, it doesn't become too stiff and makes you enjoy the firm sound. The exterior has dullness and scratches. ※The plug has been changed. Genuine RF Serial 02117 (Tamura Eiji)
Maintenance information: 2024.4.27 Maintained (no running symptoms. The board vibration check connection was checked. (All pattern parts of the flat amplifier module unit have been added and soldered.) 2024.4.13 Maintained (Electrolytic capacitor replacement in amplifier module. Pattern contact defect correction. (Voice operation check)
Accessories: No accessories
Main specifications: All stages use pure class A operation circuit input phono (mm/47 kΩ) tuner, tape, aux dimensions W483 x H89 x D190 mm weight 4.5 kg
The price has been drastically reduced! 2024/5/18 sales price 79,800 yen Maintained! The classic model for professional 1" screwdrivers. It is installed in many of the company's 43 series, etc., and it is a driver that is easy to balance with various woofers and tweeters. The exterior has dullness and small scratches. Serial 60878/74750 (Tamura Eiji)
Maintenance information: 2024.5.18 Maintained (diaphragm installation adjustment. Pad dampener, mounting screw rust replacement Wiring terminal contact part cleaning, terminal dirt cleaning, insulation bushing replacement. Diaphragm dirt cleaning, internal wiring cable replacement. DCR (74750/6Ω diaphragm no scratch) DCR (60878/5.7Ω diaphragm no scratch))
Accessories: No accessories
Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms, 118 dB, frequency characteristics: 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg
This is an audio-technica top model that uses ebony wood for the housing, which has not arrived in a long time. A clear, three-dimensional sound world without stuttering appears in the brain. It's lightweight and comfortable to wear so you won't feel tired. The exterior has a room smell like air freshener (Tamura Eiji)
Maintenance information: 2024.6.12 sweep check OK
Accessories: case, instruction manual
Main specifications: sealed dynamic output sound pressure level 102 dB playback frequency band 5 to 45,000 Hz
The disposal price has been reduced! (Member discounts are not applicable) 2023/11/11 sales price 99,800 yen Maintained! A preamplifier that can be operated by a full remote control. A familiar quad tone that is natural, easy to listen to and won't get tired of. In addition to volume, left and right balance, input switching, etc., it is fully equipped with functions such as TILT (loudness like function) and high pass and low pass filters (2 levels each), which is convenient. The exterior has peeling paint and repair marks on the bottom. Serial Q 202547 (Tamura Eiji)
Maintenance information: Maintained on 2015.2.23 (reworking the solder on the printed circuit board pattern on the power switch part of the amplifier body. Electrolytic capacitor replacement in the main unit. The CD/PLAY button installation on the remote control has been reworked. Remodeling the remote control emitting diode mounting position. aging test. (Check the operating distance range of the remote control → around 5m)
Accessories: remote control, power cable
Main specifications: full remote control control amplifier with PHONO input W321 x H80 x D255 mm 3.3 kg
MC boost transformer loaded with transformers developed in collaboration with Tamura, for high impedance. Adopts a completely independent structure for the left and right, including the earth system. It matches Denon's DL-103, etc. The exterior has minor paint peeling and bumps. Serial 298 (Tamura Eiji)
Maintenance information: 2024.6.6 operation confirmed
Accessories: none
Main specifications: primary impedance 40 ohms secondary impedance 4 kΩ boost ratio 10 times W174 x H125 x D121 mm 2.5 kg
Output transparent pair sale primary: 5 kΩ secondary: 600 Ω CT (150 Split), 6 ohm DC 60 mA output 3 W W85 x H83 x D70 mm 1.7 kg/piece (actual measurement, not including protrusions) with original box (Kojima Yosuke)
Accessories: original box
Screwdriver Transpair sale 1st order: 5 kΩ 2nd order: 5 kΩ CT/1.25 ksplit DC30mA 50 to 15 kHz output level 30dBm W76 × H83 × D44mm 0.7 kg (actual measurement, including protrusions) One side with original box seems to be an unused item due to the state of the terminal! (KOJIMA Yosuke)
Accessories: original box
Line transformer from Uesugi Laboratory. By sandwiching it between the digital device and the amplifier, the characteristic digital noise that causes listening fatigue is removed. You can expect a change in sound quality that is familiar to the ear. It is possible to switch between 3 types of input impedances. There are scratches on the exterior. Serial 057 (Tamura Eiji)
Maintenance information: 2024.6.6 operation confirmed
Accessories: none
Main specifications: impedance compatible with 3 RCA input systems 200 ohms: 200 ohms 500 ohms: 500 ohms W175 ✕ H150 ✕ D115mm 2.5 kg
※The manufacturer logo on the front is missing, so it's cheap. Maintained! A pre-main amplifier that allows you to enjoy the glossy and thick sound typical of Sansui. What is noteworthy is the mid-low range, and the bass line, which clearly reveals the outline, is an appeal unique to the KX series during this period. There are scratches, bumps, dirt marks, etc. on the exterior. Serial 613082601 (Tamura Eiji)
Maintenance information: 2024.6.13 maintained (input selector, etc., switch dismantling and polishing grease application (power amplifier direct, source direct, tape, tone, loudness, muting, processor), output relay replacement, protector part capacitor replacement, power amplifier part resistor replacement, interior and exterior inspection and cleaning, operation confirmation)
Accessories: No accessories
Main specifications: 90W+90W (8Ω) phono mm/MC compatible dimensions W430 x H161 x D446 mm weight 18.0 kg
The 1.0m pair of RCA cables are thick, but they are easy to bend and easy to use. A beautiful sound spreads out, and S/N is further increased by connecting to the ground due to the type environment where the thickness increases (Tamura Eiji)
Maintenance information: 2024.6.12 Operation confirmed
Accessories: none
TMD balance cable using a 1.0 m pair of single-wire XLR cables. It's a cable with a TMD-like tone. The exterior has frayed cloth (Tamura Eiji)
Maintenance information: 2024.6.13 continuity confirmed
Accessories: No accessories
A classic MC boost transformer. With 2 input systems, the impedance can be switched to 3.40 ohms, and a PASS line is included, so you can freely enjoy various cartridges and tone arms. There are dirt and stain marks on the exterior (Tamura Eiji)
Maintenance information: 2024.6.6 operation confirmed
Accessories: none
Main specifications: MC boost transformer input 2 systems switchable, primary impedance 40 ohm, 3 ohm switching, secondary impedance 4 kΩ boost ratio 1:10 frequency characteristics 10 Hz to 100 kHz, W97 x H65 x D155 mm, 800 g
The price has been drastically reduced! 2024/5/9 sales price 39,800 yen D/A converter with a built-in “ES9038PRO.” This model has a compact design, is compatible with MQA, high-resolution, and DSD sound sources, and has excellent cost performance. Desktops etc. are the worst. There are no noticeable scratches on the exterior (Tamura Eiji)
Maintenance information: 2024.5.9 operation confirmed
Accessories: English instruction manual, remote control, AC adapter
Main Specifications: Input: USB/OPTICAL/COAXIAL/BLUETOOTH USB: 44.1 to 768 kHz/DSD64 to 512 OPTICAL/COAXIAL: 32 to 192 khz W100 x H62 x D192 mm Weight 0.58 kg
* There is no name plate, but I was able to confirm a slight embossing of the model number on the belt seal on the side. Output: 50W for transparent sale push pull output: 50W primary: 5kΩ secondary: 4/8/16/32Ω use: 6L6, 6CA7, 6GB8, etc. W100 x H115 x D90 mm approx. 3.5 kg/piece, no name plate, and is inexpensive because it has been repainted and written on the entire surface (Kojima Yosuke)
Accessories: none
Unused item! Power transformer primary: 90-100-110V secondary: 6.3V/3A x 2, 400-325-0-325-400V/230mA, 5V/3A W122 x H150 x D102 mm 5.4 kg (actual measurement) (Kojima Yosuke)
Accessories: none
Line matching transformer pair sale primary side: 600 Ω CT (150 split) secondary side: 20 kΩ CT (5 k split) W77 x H71 x D43 mm approx. 0.55 kg/piece (actual measurement, not including protrusions) (Kojima Yosuke)
Accessories: none
The price has been reduced! 2024/5/16 The CD mechanism has been replaced with Denon at a sales price of 35,000 yen! Denon design series CD player. It is equipped with an inexpensive yet highly accurate D/A converter that is compatible with MP3 and WMA files. Since it can also be used vertically, it is attractive that it is easy to adjust where it is placed. The exterior is dull and has small scratches. Serial ADR 27190603014 (Tamura Eiji)
Maintenance information: 2024.5.16 manufacturer maintained
Accessories: remote control, power cable
Main specifications: analog output x 1, coaxial digital output x 1 size W200 x H86 x D 240 mm, weight 2.4 kg
The price has been reduced. 2023/10/6 sales price 29,800 yen ※Since it is only 1 bottle, it is cheap. JBL professional 2" screwdriver. It is an item that continues to be used in large horn systems, etc. The quality unique to titanium diaphragms, the breathing of the vocals, and the high hat on the drums are all appealing, and the outstanding realism is appealing. The exterior has dullness, dirt, and scratches. Serial 31316 (Tamura Eiji)
Maintenance Information: 2023.10.6 Oscillator Test Good
Accessories: no accessories
Main specifications: slot diameter 5 cm, allowable input 100 W, sound pressure level 111 dB/W/m, frequency characteristics, 500 Hz to 20 kHz, crossover frequency, 500 Hz or more, 16 ohms, diameter 235 x depth 132 mm, 13.6 kg/1
The disposal price has been reduced! Member prices are not applicable. 2024/3/22 sales price 29,800 yen The tuning hole uniquely arranged on Oyaide's turntable plate thoroughly eliminates unnecessary vibrations that disrupt the record board's trace, and furthermore, when used in combination with a stabilizer, the warpage of the record board is corrected and appropriate traces can be expected. There are small scratches and dullness on the exterior (Tamura Eiji)
Accessories: instruction manual, original box
Main specifications: dimensions: 294 mm, thickest part: 5 mm, 670 g
Set of 4 insulators It is effective for player and rack feet. There are scratches and bumps on the exterior (Tamura Eiji)
Accessories: none
Main specifications: height 19 mm x diameter 95 mm weight 109 g
*Currently sold, this is a limited edition model commemorating the 15th anniversary of the famous DL-103 cartridge. It is a step-up transformer that was sold as a set as the DL-103 T2 at the time, and it has a solid framework and a thick sound. The exterior is dull and dirty. The bottom has been replaced with felt from rubber feet (Tamura Eiji)
Maintenance information: 2024.6.6 operation confirmed
Accessories: none
Main specifications: frequency band 20 Hz to 70 kHz 40 ohms crosstalk 60 dB or more W92 x H55 x D145 mm 720g
The Sennheiser headphone cable (can be used with HD580, HD600, and HD650) uses silver wire for the wire, and the sound is smooth and supple (Tamura Eiji)
Maintenance information: 2024.6.18 continuity confirmed
Accessories: original box
A record player equipped with a Bluetooth (R) function and a USB output terminal. It can be connected to a Bluetooth (R) compatible wireless speaker, etc., and is recommended for those who want to enjoy a record player casually. As for the exterior, there is a thread on the dust cover. Serial 1007740 (Tamura Eiji)
Maintenance information: 2024.5.19 Operation confirmed
Accessories: AC adapter, EP adapter
Main specifications: W516 × H198 × D433m mass 5 kg
※Since it is cheap, it will be handed over as is. 1 bottle only 25cm full range speaker made by RCA in the USA. The Alnico magnet responds well and the sound is easy to remove. There are repair marks on the edge (Tamura Eiji)
Maintenance information: 2024.3.22 sweep test good
Accessories: No accessories
Key Specifications: Unit Diameter 25cm 8Ω Fixed Edge
* It seems to be an output transformer from the specifications; sold 1 piece, primary: 10 kΩ, secondary: 600 ohms, W76 x H71 x D43 mm, 0.6 kg (actual measurement, not including protrusions), there is paint peeling in places (Kojima Yosuke)
Accessories: none
Output transformer sold 1 piece Primary: 14 kPPΩ Secondary: 600 Ω WW76 × H71 × D43 mm 0.6 kg (actual measurement, protrusions not included) There are paint peeling and seal marks in places (Kojima Yosuke)
Accessories: none
YAMAHA speaker stand The compact stand is made to feel stiff, and you can expect tight sound quality. It can be used for small speakers such as the NS-10M and medium speakers. There are line marks, threads, and tape marks on the exterior (Tamura Eiji)
Accessories: No accessories
Main specifications: W270 x H494 x D350 mm top plate part W190 W x D175 mm 7 kg/unit
The price has been reduced. 2024/3/3 sales price 15,000 yen*Currently sold. Yamaha superwoofer equipped with a 20 cm x 2 double woofer. Equipped with active servo technology and a 150W high-power amplifier, it plays bass that is small yet full of volume. There is dirt, dirt and dullness on the exterior, and some floating on the bottom. Serial Z117079QS (Tamura Eiji)
Maintenance information: 2024.3.3 sweep test is good
Accessories: No accessories
Main specifications: used unit 20 cm cone type x 2 rated output 150 W (5 Ω) playback frequency band 20 Hz to 160 Hz high cut filter 40 Hz to 140 Hz, continuously variable W235 x H602 x D463 mm 20 kg
※It is inexpensive because it has cracks. An acoustic lens mounted on JBL monitor speakers such as the 4343 series. By wearing it, the sound of the horn, which is too strong, is moderately diffused and calmed down. There is dirt and dust on the exterior (Tamura Eiji)
Accessories: none
Choke transformer 10H/120mA DC resistance 110Ω (actual measurement 112.2Ω) W68 x H91 x D71 mm 1.6 kg The paint is peeling off in places, and there are rust stains (Kojima Yosuke)
Accessories: none
BNC specification on both ends of the digital cable The two central conductors with 40 thick silver-coated MC-OFC twisted together have a 2-layer shield+LSC layer hybrid structure with a total of 180 silver-coated MC-OFC braided by hybrid LSC (linear carbon) layers. It combines a good balance that does not contain harsh peak ingredients and a vigorous expressive power full of power (Tamura Eiji)
Maintenance information: 2024.6.18 continuity confirmed
Accessories: none
The 1.5m PSE standard insulation material for power cables uses reinforced silicone rubber which has excellent vibration absorption and mechanical strength. It is a product that focuses on the main parts such as plugs and cables (Tamura Eiji)
Maintenance information: 2022.9.22 continuity confirmed
Accessories: original box
*Currently sold. The classic 101 mm small speaker. The sound, which has been compiled in one small full-range shot, makes all kinds of popular music sound cheerfully. The exterior has scratches, threads, and dullness. There is also a dent in the saran net. Serial 108023/089692 (Tamura Eiji)
Maintenance information: 2024.3.3 sweep check OK
Accessories: saran net
Main specifications: 1 way 1 speaker impedance 6 ohms maximum input 150 W output sound pressure level 86 db W232 x H154 x D172 mm 2 kg