※Shipping service. Original Speaker Design Technique by Tetsuo Nagaoka 2/Table of Contents = Original Speaker Drawing Collection/"Ark” Measured Speaker Unit Data_2/New Edition: Full List of Original Speakers by Tetsuo Nagaoka Issued 1997.10.1 Since the photograph is a sample, the actual product may be broken, written, etc.
The price has been drastically reduced. 2024/1/4 sales price 500 yen. Self-made audio board with unspecified details. Audio board made by wrapping cloth around the board. The board material is unknown. There is a lot of feeling of use on the exterior, scuffs, scratches, stains, torn cloth, etc. (Kobayashi Hitoshi)
Accessories: none
Main specifications: W460 x H40 x D350 mm 4.6 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/2/9 sales price 12,800 yen. Ground wire 4.0m American steel vintage ground cable. Sturdy single wire. Depending on the idea, it can also be used for wiring other than ground wires. If you've been looking for one, why don't you take this opportunity (Murakoshi Yoichi)
Maintenance information: 2024.2.9 continuity confirmed
Accessories: none
The price has been reduced! 2024/4/11 sales price 1,000 yen, set of 4 jumper cables using WE single-wire 16GA, total length 5.5 mm, all bent in a U-shape. The exterior is dull and has a feeling of use (Hiroki Aso)
Maintenance information: 2024.4.11 continuity confirmed
Accessories: none
※Shipping service. Separate volume stereo sound, tube kingdom/special feature = field type unit research/WE16A+555 combination/thorough audition of the latest preamp/putting together a WE91 type kit/published on 2001.11.25. The photo is a sample, so the actual item may be broken, have marks, etc.
※Shipping service. Kiyasu Matsunami: Author, explains how to make everything from single amplifiers for beginners to 300B push-pull amplifiers and phono EQ amplifiers, with diagrams and illustrations. A book where you can enjoy your own original amp! /Seibundo Shinkosha. The photograph is a sample, so the actual product may be broken, or there may be markings etc.
※Shipping service. “Audio Vacuum Tube Manual” /Published by Radio Engineering Company/by Ichiki Yoshinori/A revised edition that carefully selects the “All Japan Vacuum Tube Manual” published in Showa 33 for audio applications. S60.7.20 first edition issued. The photograph is a sample, so the actual product may be broken, written, etc.
Center speaker stand from unknown manufacturer. It is a type that is easy to handle, with wooden casters. There are threads on the exterior. (MIURA Kimiya)
Accessories: none
Main specifications: W570 ✕ H225 ✕ D440mm 4kg
*1 bottle only Speaker stand with unknown details such as manufacturer name and model. There are appearance, abrasions, and dullness (Hitoshi Kobayashi)
Accessories: none
Main specifications: W280 × H270 × D330 mm 4.8 kg (actual measurement)
HUBBEL's unspecified outlet plate. The material is similar to the P80W and NP8I, and it is ivory-colored. There is a scuff on the side (Murakoshi Yoichi)
Accessories: screws
Maintained. This is the X-2000R, the best model in the X series. It boasts performance that surpasses the X-1000R, such as a CA (cobalt amorphous) head and a newly designed equalizer amplifier, and you can listen to damped sounds with little noise due to the DBX installation. There are stains and bumps on the exterior. Serial 20066 (Tamura Eiji)
Maintenance information: 2024.4.18 Maintained (flywheel detachable cleaning and capstan shaft cleaning oil applied, capstan belt replacement, grease applied to the foot wheel stator bearing part. Pinch roller drive mechanical disassembly cleaning and grease application, pinch roller cleaning and pinch roller shaft oil application, tape pass check. Head cleaning and head azimuth angle check adjustment. Left and right impedance roller detachment fall cleaning and oil application, left and right tension arm detachment cleaning and cushion replacement, tension sensor cleaning, and tension roller shaft cleaning oil application. Reel stand tension adjustment (FWD/REV-PLAY winding tension and tension adjustment during FF/ REW) playback and recording AMP electrolytic capacitor check and partial replacement, meter lamp, DBX display lamp replacement, replacement procedure due to deterioration of power supply protection resistance. MIC, LINE, OUTPUT volume contact cleaning Contact cleaning by detaching and disassembling the monitor SW, REC mode SW, tape bias selector SW, and DBX SW. Playback level check and adjustment, recording level and vise check and adjustment, DBX amplifier level check and adjustment, recording and playback tests are excellent. Left and right legs missing additional reference value W&F during self-recording and playback (0.02% (WTD))
Accessories: clamper
Main specifications: 4-track, 2-channel stereo format, W432 x H456 x D268 mm, 21.0 kg
Disposal prices have been reduced. Member discounts are not applicable. 2022/12/3 sales price 1,000 yen. ※1 piece only PANASONIC ceiling mounting bracket Recommended for those who have a Panasonic compact speaker and are thinking about hanging it from the ceiling (Hiura Katsutsugu)
Accessories: original box
Main specifications: diameter 140 x H93 mm weight 0.5 kg
※There are no operation confirmation issues, but since it is for business use, it will be handed over as is without warranty. Excellent heat dissipation performance due to the servo cooling system. It clearly brings out stable sound quality even when used continuously for a long period of time, and the sound source and pre are simply brought out. Overall, there is a feeling of use such as dirt and friction (Ryo Mizusaki)
Maintenance information: 2024.2.3 sound output confirmed
Accessories: none
Main specifications: 80 W+80 W (8 Ω continuous output) 110 W+110 W (4 Ω continuous output) 220 W (BTL 8 Ω continuous output) frequency characteristics 20 Hz to 20 kHz +0 -0.5 dB (at 4 Ω 1 W output) dimensions 480 x 102 x 394 mm
Outlet plate for 2 rows of 6 using corrosion-resistant aluminum alloy+new metal with full coat processing (Hidetsugu Kanai)
Accessories: none
Main specifications: W120 × H116 × D6.5 mm Weight 38 g
2-row 6-piece outlet plate made of corrosion-resistant aluminum alloy+fully coated new metal There is a feeling of use such as small scratches (Kanai Hidetsugu)
Accessories: none
Main specifications: W120 x H116 x D6.5 mm weight 38 g
Outlet plate for 2 rows of 6 using corrosion-resistant aluminum alloy+new metal with full coat processing (Hidetsugu Kanai)
Accessories: none
Main specifications: W120 × H116 × D6.5 mm Weight 38 g
2-row 6-piece outlet plate with corrosion-resistant aluminum alloy+full coated new metal. There is no problem with the appearance (Kanai Hidetsugu)
Accessories: none
Main specifications: W120 × H116 × D6.5 mm
Outlet plate for 2 rows of 6 using corrosion-resistant aluminum alloy+new metal with full coat processing (Hidetsugu Kanai)
Accessories: none
Main specifications: W120 × H116 × D6.5 mm Weight 38 g
Disposal prices have been reduced! (Member discounts are not applicable) 2022/10/9 sales price 2,000 yen Audio Pro speaker Bravo ALLROOM SAT bracket. This is a wall mounting accessory. The exterior is generally good (Takahashi Nobuyuki)
Accessories: instruction manual copy source box
Main specifications: 52g per weight
Disposal prices have been reduced! (Member discounts are not applicable) 2022/10/9 sales price 2,000 yen Audio Pro speaker Bravo ALLROOM SAT bracket. This is a wall mounting accessory. The exterior is generally good (Takahashi Nobuyuki)
Accessories: instruction manual original box
Main specifications: 52g per weight
The disposal price has been reduced. Member discounts are not applicable. 2023/2/5 sales price 2,000 yen. *Currently sold. Specification details of only one Onkyo full range unit are unknown, but it was able to sweep and make sound. The exterior has dirt, dullness, and tape marks (Katsuji Hiura)
Maintenance information: 2023.2.5 sound output confirmed
Accessories: none
Main specifications: diameter 120 mm, depth 71 mm, screw pitch 219 mm (actual measurement), weight 1.2 kg
※ The effect of the brake is bad, but it is currently sold. Victorola's tabletop gramophone. The antique-style exterior stirs up the desire to own it. The sound is also an item full of nostalgic charm that cannot be created with modern audio. The exterior has dullness, scratches, and threads (Yoichi Murakoshi)
Maintenance information: 2022.8.123 Sound output confirmed
Accessories: none
Main specifications: W394 × H340 × D488 mm (excluding handle) 19.6 kg
Pair tube 45Special compatible spherical triode fishing rod type filament measurement value 100/92 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube 45Special compatible spherical triode fishing rod filament measurement value 94/86 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke)
Accessories: none
Pair tube 45 Special/38142 compatible ball, direct heat triode, fishing rod type, filament measurement value 120/118 (rejection value 55) with original box ※ The pair was determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
The disposal price has been reduced. Member discounts are not applicable. 2023/1/31 sales price 5,000 yen. This is a pair of Pioneer mid-range attenuators. Details of the mounted model etc. are unknown. Operation of conduction only has been confirmed (Murakoshi Yoichi)
Maintenance information: 2022.10.22 continuity confirmed
Accessories: none
Speaker cable 5.0 m pair M.C.CS 122 HYBRID is a Vandenhall speaker cable using a parallel multiple stranded wire structure. It is a character that carefully conveys musical expression and gives depth to the expression of European speakers such as Tannoy, as well as domestic speakers. Rubbing on the sheath
There is dirt (Kojima Yosuke)
Accessories: none
The price has been drastically reduced. 2023/11/8 sales price 49,800 yen ※The display panel moves when the volume etc. switch is pressed, but this is a specification. Maintained! MICROMEGA D/A CONVERTER It's a well-balanced European tune, and you can listen to chamber music and vocals smoothly. There is an appearance, dullness, and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.9.3 Maintained (replacement of tantalum electrolytic capacitors, replacement of other capacitance electrolyzed capacitors. Various digital signal demodulation tests confirm normal operation. (Rubber foot replacement)
Accessories: none
Main specifications: 1-bit input sampling frequency 32kHz,44.1kHz,48kHz W220×H55×D110mm 1.5kg