Special Feature = Mid Bass Research/Vacuum Tube Amplifier/European 3-Pole Output Tube/KT-66, 50 Power Amplifiers/Internal and External Tweeter Research Vol.3/PP Shunt Power Preamp/Importance of Midbass Vol.2/Frontier Technology “Hybrid Circuits” /Published Circuit Diagram: MARANTZ SC-11/S60.1.1 Published. The photograph is a sample, so the actual product may be broken, or there may be markings etc.
※Shipping service. 10th anniversary commemoration of the first publication · 1st edition = reader visits The appeal of TUBE SOUND/Listen to the supreme WE amplifier 8B+9A/ tubular kit amplifier selected by “sound” /300B single output transformer listen and comparison/2005.11.28 published. 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.
Special Feature = CD Era Vacuum Tube Preamplifier/GEC DA30/MOS FET 1 Stone Power Amplifier/82' Audio Technology of the Year/Precision Processing Technology for Players/New JBL Driver 2445J/Large Diameter W Woofer 21 Models/Summary of Published Circuit Diagrams: Technics SU-V7A/HAFLER DH500/S58.3.1 Issued. The photograph is a sample, so the actual product may be broken, written, etc.
※Shipping service. Special Feature = Contemporary Noise Thoughts Vol.2/Overview of American 3-Pole Output Tubes/Mos-FET Single Stage OTL Amplifier/Medium Monitor Speaker Research/New Feedback Circuit Type DC Preamplifier/38 cmW Woofer System Vol.4/Published Circuit Diagram: PIONEER CT-580/S57.5.1 Issued Photographs are samples, so the actual product may be broken or written.
※Shipping service. Special Feature = Phono Equalizer Audition Report Part 2/World Speaker Brand Research Part 2/Diatone DS-MA1/Yufuin “Listen to Western 16A at Sanso Muryoto!” /Type Separate Tube Amp Research Compact Pre-Main/Analog Prestige Brand Research “DYNAVECTOR” /Record Needle Repair/Continued · Send Ale to Zonotone/ H19.10.20 Issued/Published Model: EQS MK 12/C-2410 AD-2800/New MP Series/IO-M/HCTR01/L-505U/G1302/PL300 PL300 PL100/PHONO-ONE/RIAA-22 MK-2/EA-3/EQA-777/TR-EQ1/EAR 834P-5/symphonic/xono/AS-3.8i/RA-VT11/Nimis RC/TUBE 53/.
The photograph is a sample, so the actual product may be broken, or there may be markings etc.
※Shipping service. Special Feature = Internal and External Tweeter Research/Modern Noise Thoughts Vol.3/SR Speaker Research/New BLT Amplifiers/Sound Field Correction Using Partitions/Driver Tube Research/Frontier Technology “VHD Technology” /Published Circuit Diagram: ElectroVoice TL505 Enclosure/Mixing Console and Noise///S59.10.1 published. The photograph is a sample, so the actual product may be broken, written, etc.
※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. Characteristics and circuits of 15 famous vacuum tube power amplifier models/genealogy of vacuum tube power amplifier circuits/roundtable discussion talking about famous machines of power amplifies/listening to 7 models of Tama amplifies/Questionnaire to Mr. 8 What is a famous machine for me/ Takesue Kazuma: Memoirs of 30 years of making amplifiers/anthology articles, popular power amplifier production articles/radio engineering companies/1989.12.20 first edition published. The photograph is a sample, so the actual product may be broken, written, etc.
※Shipping service. Special Feature = Listen to the Latest MC Cartridge/Audio Famous Machine Award 2008 Decided/World Speaker Brand Large Aperture Temptation 1/Infatuation with Open Decks/TAD “TAD Reference One” that sounds famous devices/30th anniversary Learn about Dynaudio's great challenge to high definition speakers/Check out Zonotone Cable's ability in analog playback /Type Specific Tube Bulb Amplifier Research High-End Amplifier/Published on H20.1.20/ Posted models: Criterion Analogue Playback System/gyrodec-UNV1/EA-1 2 P-3G/AT33MONO/MC Windfeld/A-S2000/Illusion A7/SC-11S1 SM-11S1/C-600F M-600A/AT33PTG/YC-03S/Model 7000/Celebration MK2/ZYX-4D/ Stradivari/Hyper Eminent/TRV-M88pp/reference-two reference-one/SD-2 KR/The photograph is a sample, so the actual product may be broken and there may be writing etc.
※Shipping service. “Fascinating Vacuum Tube Amplifiers: Their History, Design, Production (Volume 1), Reprint Edition” /Over 40 Production Examples/Complete Famous Ball Data/Wireless and Experimental Edition/Supervised by Isamu Asano/1990.4.2 2nd Print Published. The photograph is a sample, so the actual product may be broken, written, etc.
※Shipping service. Bessatsu Stereo Sound Preservation Edition/ A selection of vacuum tube amplifier masterpieces from yesteryear where you can almost hear “good sounds”! /Macintosh Successive Tube Amps Listening Comparison/Marantz Successive Tube Amps Listening Comparison/Published on 2008/6/30. The photograph is a sample, so the actual product may be broken, written, etc.
Special Feature = Hi-Fi Era Hardware and Software/Watching CD Software/Roundtable Discussion; Tone Arm Research/5 Channel Divider/Vacuum Tube Power Amplifier Measurement and Audition; WE-293A PP/WE300b PP/EL34pp/VT52pp/VT104 10E, 215/Listening Room/Published Circuit Diagram: Futterman NCP-1/OTL-1/S58.11.1 published. The photograph is a sample, so the actual product may be broken, written, etc.
※Shipping service. Bessatsu Stereo Sound Tube Kingdom/Special Feature = The Origin of JBL, Listen to 175/375/Thorough Verification of Power Amplifier Capabilities/Latest World Brand Information/2001.2.25 Published. The photograph is a sample, so the actual product may be broken, or there may be markings etc.
Vacuum tube CD players are rarely in stock. It looks like a product manufactured in Germany and the Netherlands based on the MarantzCD-4000 package, and you can comfortably listen to the mild sound quality unique to tube balls and the gorgeous high frequencies that pop out. This is a great item for those who want an accent to the sound. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.19 Operation confirmed
Accessories: instruction manual
Main specifications: W440 x H90 x D270 mm weight 3.82 kg
Air-tight KT88 push-pull The modern sound, which combines the soft texture unique to vacuum tubes and the high resolution, is attractive. There are 2 inputs at the front and rear, and the front input can be directly connected to the first stage tube without going through a shielded wire. The front panel is equipped with a meter that can check the optimal operating point of the output tube. There are many scratches on the bottom plate, and there are paint chips, threads, and bumps on the transformer (Oikawa Tetsuji)
Maintenance information: 2024.4.22 operation confirmed
Main specifications: used vacuum tube KT88 x 4, ECC83 x 2, 5814A x 2, 12BH7A x 2, 12BH7A x 2, 80W+80W 8Ω, W415 x H223 x D380 mm, 32 kg
Pair tube, triode, metal base, made in America, with original box*Pairs are determined based on EM values measured by the SENCORE TC-162 testing machine (Kojima Yosuke)
Accessories: original box
Pair tube triode metal base, made in America, original with box ※ The pair was determined based on the EM value measured by the SENCORE TC-162 tester (Kojima Yosuke)
Accessories: original box
The disposal price has been reduced! (Member discounts are not applicable) 2023/12/1 sales price 298,000 yen Interior and exterior refreshment maintenance has been completed and brushed up! A consumer model of the 2S-305, a timeless monitor speaker masterpiece that Japan is proud of. The thick and clear midrange and detailed high frequencies, which cannot be felt with the look, vividly reproduce vocals. The sound that accurately expresses the characteristics of an amplifier that is set regardless of whether it is a vacuum tube or transistor makes me feel the goodness of the device I have on hand that I haven't been able to see until now. The exterior is in perfect condition due to maintenance. Serial 351364 4851370 (Yamato Yuki)
Maintenance information: 2023.12.1 Maintained (exterior polishing, oil finish, exterior repair, front and rear baffle painting to create missing parts, saran net replacement, velcro replacement. Woofer maintenance center adjustment, edge damping agent application, disconnection solder treatment, center cap dent correction. Tweeter maintenance center cap internal cleaning and replacement, center adjustment, corn paper edge crack repair, edge damping agent application, unit detachment. Network maintenance frequency characteristics check, ATT contact cleaning, terminal cleaning sound operation confirmed)
Accessories: saran net
Main specifications: 2 way bass reflex system input impedance 8 ohms output sound thickness level 96 dB crossover frequency 1500 Hz W650 × H880 × D445 mm weight 50 kg
The price has been drastically reduced. 2024/4/11 sales price 118,000 yen ※It's cheap because it doesn't have a hood. Maintained! Vacuum tube stereo power amplifier. The bright and fresh sound typical of DYNACO is attractive. This is an amplifier I want to play in combination with JBL, Altec, etc. The grill is missing, and there is a feeling of use due to aging (Daiki Goto)
Maintenance Information: 2024.4.11 Maintained (· Block Capacitor 30/20/20 μF Defect Replacement · Stereo/Mono Switch Defect Replacement · Shock Noise Improvement Measures → Spark Killer Addition · Vacuum Tube 7199 Noise Exchange · Mylar Capacitor 390pF Deterioration Replacement 2 · Resistors 1/2 W Deterioration Replacement · BIAS Readjustment · Vacuum Tube Socket and RCA Jack Caulking Repair. *Other operation checks have been performed (measured at 32 to 41 W SP: 8 Ω at rated output AC 100 to 117 V)
Accessories: instruction manual
Main specifications: rated output 35W+35W vacuum tube EL34 x 4 7199 x 2 GZ-34 x 1 W330 x H165 x D240 mm 12.5 kg
Pair tube, 6BQ5 compatible ball, made in Yugoslavia, foot, measured value 70/70 (rejected value 50) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube direct heat triode tube, white base, made in Russia, measured value 80/80 (rejected value 58) with original box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: original 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
※Set of 2 (not treated as a pair due to different internal structures), double triodes, made in Russia, measured value 114/110 (rejection value 50), replacement box included ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Pair tube, 6CA7 compatible ball, made in Russia, measured value 44/42 (rejection value 30) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube, EL34 compatible ball, Russian tube, measured value 44/42 (rejected value 30) with original box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: original box
The disposal price has been reduced. Member discounts are not applicable. 2024/4/19 sales price 178,000 yen Maintained. A rare Fisher tube control amplifier. The 2 phono inputs are attractive. The high range is decent, but the round, rich, and powerful mid-range is unique to FISHER. The sound is light, bright and friendly. *Only CHANNEL A is valid for EQUALIZATION LP and 78 (Murakoshi Yoichi)
Maintenance information: 2024.4.17 maintenance (re-strengthening treatment for all selector knobs (*Please do not remove them as much as possible.) Volume disassembly grease up treatment for BASS, main volume disassembly, cleaning and repair (due to the structure, there are some gang errors and sound leaks when narrowed down to a minimum. (If you are concerned, only RIAA 1 and AUX1 can be adjusted with LEVEL SET on the top surface.) Electrolytic capacitor 1000 μF replacement, vacuum tube socket and RCA jack re-caulking repair. Operation check with AC 100 to 117 V) 2021.5.15 maintained (repair of poor contact with various parts, correction of lever deformation points, replacement of 30/30/10/10 μF defects, vacuum tube socket and RCA jack caulk repair ※ Since the main volume is a special type with a loudness terminal, some gang errors will occur after 12:00. AUX1 and PHONO can be fine-tuned with the LEVEL SET on the top. *Other operation checks have been made (4 vacuum tube shield cases are missing)
Accessories: Service Manual (English)
Main specifications: Vacuum tube 12AX7, 12AT7, 6V4 using PHONO2 system Dimensions W390 x H120 x D210 mm 6.6 kg