B&W bookshelf sized speakers It is equipped with a Nautilus tube and Kevlar cone unit from the higher series. This size is sufficient for clean mid to high ranges and low frequencies without any habit. It goes well with modern sauces. The jumper plate is dull, and there is a small scratch on the upper corner (Daiki Goto)
Maintenance information: 2024.5.7 operation confirmed
Accessories: instruction manual
Main specifications: 2 way 16.5 cm woofer 8 ohm bi-wiring connection possible W204 x H356 x D244 mm 6.1 kg
Maintained! The popular crossover 500 Hz. Please use it with the JBL2440/2441 driver. There is a sense of extrusion and granularity, and the connection to high frequencies is also natural. You can enjoy stretchy low frequencies and tense high frequencies. It is essential for constructing large systems centered around 38cm units (Sasaki Shota)
Maintenance information: 2024.5.4 Maintained (12 terminal terminal mounting screws replaced, 24 insulating bushings replaced. Terminal area cleaning. Attenuator SW contact cleaning. Crossover 500Hz check OK)
Accessories: none
Main specifications: crossover 500 Hz network impedance 12 to 16 ohms high frequency level control 6/8/10 dB W121 x H153 x D130 mm 1.9 kg
Maintained! A D/A converter that was said to be close to analog sound. The high frequencies are tightened, the mid and low frequencies are mild, and the sound feels powerful with a sense of directness. The high cost performance also shines (Sasaki Shota)
Maintenance information: 2024.5.4 maintained (21 replaced due to electrolyte condenser fluid leakage, electrolyte cleaning, pattern and solder correction, insulation washer replacement due to damage, sound and HDCD recognition checks on each input/output)
Accessories: manual, power cable
Main specifications: Input terminal/1 coaxial system, 1 optical system, ST link 1 analog output system (RCA) HDCD compatible D/A conversion chip using a multi-bit Barbrown PCM63P-K type W430 x H60 x D230 mm 4 kg
A rare JBL 46cm woofer has arrived! The thick sound that can only be produced with a 46cm woofer is attractive. Please try this large aperture unit that is compatible with digital recording and is advantageous for deep bass reproduction. The exterior has tape marks and magic marks on corn paper. Serial 181936/481666 (Sasaki Shota)
Maintenance information: 2024.5.4 sweep test good
Accessories: none
Main specifications: 46cm cone woofer unit impedance 8Ω 99dB frequency range 25Hz to 1.6kHz recommended enclosure volume 140 to 340 lit diameter 464 ✕ depth 212 mm weight 13.2 kg
The price has been reduced! 2023/10/7 This is a self-made MC step-up transformer with a sales price of 20,000 yen. According to the specifications, the boost ratio appears to be 1:10. Use it with high output cartridges such as the DL-103! (FUJISAWA KOSHI)
Maintenance information: 2023.10.7 operation confirmed
Accessories: none
Main specifications: MC boost transformer input/output 1 system boost ratio 1:10 W 110 x H45 x D145 mm (actual measurement)
JBL's 38cm cone type full range unit. Unlike modern heavy bass, it can reproduce bright and light low frequencies. It is a unit that can do a variety of sound makeup depending on the driver or tweeter that is sharp and adapts well. There are small scratches and dirt on the exterior, and there is a small crack in the cone on one side (Ryo Mizusaki)
Maintenance information: 2024.5.3 sound output confirmed
Accessories: none
Main specifications: 38cm cone type full range unit Alnico 6.6/6.3 Ω (actual measurement) 103 dB recommended enclosure internal volume 114 to 338 L frequency characteristics 50 to 6,000 Hz screw pitch (diagonal) 370 mm 7 kg
Speaker cable is an abnormally thin cable with 3.0 m pair ends for an unprocessed speaker cable. A cable boasting high resolution and a high amount of information. The sound quality changes drastically depending on how you use it, such as separating the main amplifier and speaker, and shortening the speaker cable, etc., so it's fun to drive the sound quality to your liking (Kojima Yosuke)
Accessories: none
Speaker cable is an abnormally thin cable with 3.0 m pair ends for an unprocessed speaker cable. A cable boasting high resolution and a high amount of information. The sound quality changes drastically depending on how you use it, such as separating the main amplifier and speaker, and shortening the speaker cable, etc., so it's fun to drive the sound quality to your liking (Kojima Yosuke)
Accessories: none
※It has been replaced with a cloth edge. An improved version of the compact and popular blockbuster model CONTROL1. It is a speaker that can be used in a variety of ways, from pure audio to surround sound. There is a crack in the rubber part of the saran net (Oikawa Tetsuji)
Maintenance information: 2024.5.3 operation confirmed
Accessories: none
Main specifications: 2 way 2 speakers bass reflex bookshelf type 4Ω 125W W157 x H233 x D143 mm 1.8 kg
Jumper cable, 0.2m, set of 4, silver conductor (PSS), banana-Y lug terminal specification, there is dullness around the plug (Kojima Yosuke)
Accessories: none
Manufacture-maintained, including pickups. This is the first 1650 limited model equipped with a balanced output similar to the higher-level model. The double chassis structure makes it sturdy. It is a high-density sound, and the thickness of the mid and low tones that cannot be heard with players in the same price range in recent years is attractive. ※The front cover has been replaced with a magnetic one, but a light impact will cause the magnet to come off and open. There are other minor scratches and dullness appropriate to the model year. The remote control is out of stock (Oikawa Tetsuji)
Maintenance information: 2024.4.29 manufacturer maintained (laser pickup, loading belt replacement. Sound output test.
The lower front door did not open due to a bad latch. That's why we're repairing it. The magnet is attached so that it sticks to the metal. Press lightly when closing. (*This is because parts cannot be obtained)
Accessories: copy of instruction manual
Main specifications: Real 20 bit 4DAC Lambda SLC equipped W470 x H122 x D360 mm 12.5 kg
A rare Rotel thin phono equalizer. It has a flat, neutral tone with no distractions, and I like how simple it is to use. There are small scratches, dullness, and the electrical outlet has changed (Oikawa Tetsuji)
Maintenance information: 2024.4.29 Operation confirmed
Accessories: instruction manual, original box
Main specifications: input sensitivity MM: 2.5 mV/47 kΩ MC: 210 mV/100 Ω size W440 × H72 × D195 mm weight 3.1 kg
Pair tube, 6CA7 compatible ball, made in Russia, measured value 44/44 (rejected value 30) with original box ※The pair is determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6L6WGB compatible ball Russian short base measurement value 42/42 (rejected value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube smoke made in Canada JAN measured value 86/76 (rejected value 46) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube ambient heat beam tube measurement value 44/42 (rejection value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube ambient heat beam tube measurement value 40/38 (rejection value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
The power cable uses DIP FORMING oxygen-free copper wire with HSE treatment, which is an advanced burn-in treatment, applied to the 1.8 m conductor. The S/N is extremely high, and the strong sound in the low range is also an extremely attractive, high cost performance model. There is a film defect on part of the sheath (Kojima Yosuke)
Accessories: none
Pair tube Russian lot: 0202/0107 measured value 36/36 (rejected value 25) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 6L6WGB compatible ball Russian short base measurement value 42/42 (rejected value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, subthermal beam tube, made in China, seems to have been used in the company's power amplifiers, etc. Measured value 66/64 (rejected value 44) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, subthermal beam tube, made in China, seems to have been used in the company's power amplifiers, etc. Measured value 64/64 (rejected value 44) with replacement box*Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
The price has been drastically reduced. 2023/12/11 sales price 15,000 yen*There is no problem with operation, but since it is cheap, it is being delivered as is. Center speaker for the company's STAGE series. Please help build a theater system (Daiki Goto)
Maintenance information: 2023.12.11 operation confirmed
Accessories: instruction manual
Main specifications: 2-way dual 133mm woofer, 25mm aluminum treble unit impedance 6Ω efficiency 88dB W469 x H190 x D220 mm weight 7.95 kg
※Inexpensive because it is in poor condition. Self-made 2way/3way enclosure. The size of the hole is different at the top, with an opening diameter of about 315 mm on the top and about 360 mm on the bottom. There are many peeling veneer, corner pads, scratches, etc. (Oikawa Tetsuji)
Accessories: none
Main specifications: W450 x H1056 x D480 mm approx. 33 kg
The disposal price has been reduced (member prices are not applicable). 2023/11/26 Sales price 128,000 yen Maintained in 2022/6! An eye-catching power amplifier with its black and large power meter typical of Sansui. It entertains me with its power, which can be felt from its appearance, and its supple, stretchy sound quality. The exterior has dullness, scratches, rust, etc. over time (Oikawa Tetsuji)
Maintenance information: 2022.6.23 Maintained (both channel volumes replaced. SP relay bad contact replacement. Replace protectors, deteriorated transistors, resistors, and diodes in meter boards. Replace deteriorated transistors and resistors in the power supply board. Replace deteriorated transistors and capacitors in the drive board. OUTPUT selector switch cleaning. (General adjustment)
Accessories: none
Main specifications: left and right independent 2 power supply diamond differential circuit effective output 110W+110W (8Ω) load impedance 4 to 16 ohms W482 x H187 x D450 mm 20.3 kg
Pair tube metal brown base Russian dharma tube measured value 60/58 (rejected value 44) with white box, printing on one side often disappears ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, ambient heat beam tube, made in America, JAN measurement value 42/40 (rejected value 25) with white box ※Pairs are determined based on GM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 46/44 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Pair tube VT-115 equivalent tube, high durability tube, metal tube, tea base, measured value 48/46 (rejected value 25) with white box ※Pairs are determined based on GM values measured with the TV-7 testing machine (Kojima Yosuke)
Accessories: white box
Single sale direct heat triode tube, made in Russia, white base, measured value 78 (rejected value 58) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, subthermal beam tube, made in China, seems to have been used in the company's power amplifiers, etc. Measured value 68/66 (rejected value 44) with replacement box*The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box
The price has been reduced. 2024/4/6 sales price 69,800 yen This 1-inch screwdriver has been maintained (replaced in pairs with JBL D8R2425 due to a broken diaphragm) and has an impressive high range with a smooth, stretchy high range. Compared to the LE85, you can enjoy a natural sound with a sense of depth. As for the sound of a JBL, I get the impression that it is mild. There is a scuff mark on the back (Daiki Goto)
Maintenance information: 2024.4.6 maintained (diaphragm broken (replaced with diaphragm D8R2425)). Parts replacement DCR (38378/3.2 ohm diaphragm no scratch) DCR (38054/3.1 ohm diaphragm no scratch))
Accessories: none
Key Specifications: 1 inch driver, 8 ohm, crossover, 500 Hz, 108 dB, diameter: 114 x D98 mm, weight: 4.1 kg
This is a model with PAD cryo treatment applied to the TOSHIBA 3P/2P conversion adapter. There are some cracks, but they are glued together (Oikawa Tetsuji)
Maintenance information: 2024.4.20 continuity confirmed
Accessories: none
※1 bottle only. TOA large metal radial horn. In terms of sound quality, it has a narrower impression than Altec's sectional horn 311, but it has a bright sound with a sense of overhang unique to radial horns. *The diameter of the mounting hole seems to be slightly smaller than ALTEC, so there is a possibility that ALTEC's 1.5-inch drivers will not fit depending on individual differences. Overall, there are wounds, dullness, etc. (Oikawa Tetsuji)
Accessories: none
Main specifications: cross 500 Hz or more, horizontal 90 degrees, vertical 40 degrees, throat diameter 35.5 mm, compatible driver HFD-651, width 720 mm, height 220 mm, depth 580 mm, 10.9 kg
The disposal price has been reduced. Member prices are not applicable. 2023/9/13 sales price 2,980,000 yen Maintained with attention to details such as drivers and wiring! The Georgian 4 is attractive for its elaborate horn configuration and beautiful furniture-like design. It is a model with a built-in crispy horn, a structure that creates a unique sound with a rich sense of scale, and the loud sound is truly an American masterpiece, but you can also feel a somewhat English-like sex appeal. *The attenuator has been maintained, but slight chipping occurs when turning due to deterioration of the original winding resistance (Oikawa Tetsuji)
Maintenance information: 2023.9.13 Maintained (828HF disassembly and maintenance: separation from magnetic circuit and diaphragm, magnetic circuit diaphragm maintenance: cleaning of the magnetic circuit, rustproof vibration system, round out, stop noise, T350 disassembly and maintenance: separation from the magnetic circuit and diaphragm, sound pressure difference adjustment: stop noise due to resonance sound generation, elimination of sound pressure drop due to rear sound leakage. Confirm that there are no modifications inside the housing. Remove rust from screws on screw-type terminals, pickle, and polish and clean the receiving side. ATT (x4) contact cleaning. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. (Input/output waveform and balance check, sound output check)
Accessories: none
Main specifications: 4-way 15WK, 828HF, T350, X336 (300/3500) approx. W860 x D660 x H1,350 mm approx. 90 kg
The price has been drastically reduced. 2024/4/17 sales price 128,000 yen Maintained! Quad control amplifier The famous machine 44 has been refreshed by changing the back terminal to an RCA specification that is easy to handle. It's a perfect balance between freshness and richness. When paired with speakers made in England, you can enjoy a calm, high-quality sound (Daiki Goto)
Maintenance information: 2024.4.17 maintained (internal all checks, B-filter capacitor deterioration, +- 18V drive Tr leak large, rectifier diode failure instability → replacement power SW spark killer broken → replacement. C and R checks within each board. *There is a sound leak at main volume 0. (Create 2 1.5m DIN5 cables)
Accessories: copy of instruction manual, power cable, connection cable
Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321×H103×D203 mm
A set of 2 seems to be a choke transformer, but the details are unknown. Measured DC resistance value 380/373Ω W31H95 x 44mm 0.31 kg/piece (actual measurement, not including protrusions), only conduction and resistance values have been confirmed by a tester (Kojima Yosuke)
Accessories: none
Pair tube large transmission tube direct heat triode tube made in China gold base gold foot measured IP value 47mA/47ma (the best standard IP value for this amplifier is 50mA) with original box (part of the box is damaged) *Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke)
Accessories: original box
Input transformer pair sale primary impedance 600 Ω (150 Ω split) secondary impedance 600 KΩ (150 kΩ split) primary inductance 70H W50 × H70 × D57 mm 0.75 kg/piece (actual measurement, not including protrusions) The badge is discolored, and there are scratches in places (Kojima Yosuke)
Accessories: specifications
The price has been drastically reduced. 2024/2/12 sales price 89,800 yen ※It has been replaced with a non-genuine edge. You can enjoy voluminous bass with highly efficient and heavy cone paper. It is also durable with a gathered edge, and is also recommended for backload and front load enclosures. There are viscoid sagging marks (Oikawa Tetsuji)
Maintenance information: 2024.2.12 Operation confirmed
Accessories: none
Main specifications: rated input 150 W frequency characteristics 30 Hz to 2 kHz 16 ohms efficiency 96 dB crossover frequency 800 Hz recommended enclosure volume 170 to 225 liters depth 146 mm 7.5 kg
The price has been drastically reduced. 2024/1/13 sale price 99,800 yen rare Gauss 46cm woofer! This is the first model to arrive at Hi-Fi. Unlike JBL woofers, it is characterized by sound tightness and strength of extrusion. It also seems interesting to use it as a 4345 woofer (Sasaki Shota)
Main specifications: Ferrite magnet 46cm woofer impedance 8Ω (measured DC resistance value 6.3Ω, 6.0Ω) 8.7kg (actual measurement)
The price has been drastically reduced. 2024/3/18 sales price 79,800 yen ALTEC's royal unit used in A7 etc. It's a woofer with a good sense of clarity and a light sound. It has a sense of dynamism and goes well with jazz and rock (Shota Sasaki)
Maintenance information: 2024.3.18 sweep test good
Accessories: none
Main specifications: 38cm ferrite magnetic woofer, 97db, 8Ω, 20Hz to 1600Hz, weight 9.4 kg, baffle opening diameter 35.9 cm
Maintained by the manufacturer! This model was the first to use an ALPHA processor in the best-selling 1650 series. The mid and low frequencies are quite stable, and the balance depicts rich, rich music regardless of genre. The exterior has dents on the front panel corner, and there are line scratches, small scratches, dullness, etc. ※The remote control is out of stock (Oikawa Tetsuji)
Maintenance information: 2024.4.17 manufacturer maintained (inside the CD mechanism, loading belt, tray opening/closing SW replacement. VR has been reworked. The HF waveform of the laser pickup is within the regulations and is currently fine. Sound output test)
Accessories: copy of instruction manual ※ remote control missing
Main specifications: Real 20-bit 4DAC/Lambda Super Linear Converter with 20-bit 8x oversampling digital filter+GIC 3rd order analog filter frequency characteristics 2Hz to 20kHz W434 x H120 x D340 mm 10.2 kg
Maintained! A 1500 Hz crossover network perfect for combining the LE14A with the 175DLH and LE175. The exterior is dull and has small scratches (Oikawa Tetsuji)
Maintenance information: 2024.4.17 Maintained (2 VR attenuators, 12 screws, 24 insulating washers replaced)
Accessories: none
The price has been reduced. 2024/3/6 sales price 15,000 yen*Currently sold because it is cheap. Small mixer with built-in processor. It can also be used as a PA processor by installing it between the mixer and power amplifier (Oikawa Tetsuji)
Maintenance information: 2024.3.6 operation confirmed
Accessories: power adapter
Main specifications: W155 x H40 x D102 mm (excluding protrusions) 540 g
※There is no problem with operation, but it is currently sold because it is cheap. Compact and lightweight phono equalizer. Please use it with a Miji component or a pre-main amplifier without a phono input. Perfect as an introductory machine (Daiki Goto)
Maintenance information: 2024.4.10 operation confirmed
Accessories: power cable, original box
Main specifications: MM dedicated phono equalizer W70 x H30 x D92 mm 160 g