Pair tube (checked with a tube checker) beam quadrupole. There is a tea box. Measured value 36,34/30 (rejection value) *The pair was determined based on the GM value measured by the testing machine TV-7. The ※ logo is scratched, so it's a bargain.
Pair tube made in the USA side getter measurement value 62/58 (critical value 30) with JAN original box ※ The pair is determined based on GM value measured by the tester TV-7 (Yosuke Kojima)
Accessories: original box
Pair tube, deflection output tube, made in America, with original box ※Pairs are determined based on EM values measured with the TC-162 tester (Kojima Yosuke)
Accessories: original box
The A2500 is a tube type power amplifier kit that has been replaced with speaker terminals that are easy to use even for beginners. 6AQ8 for the first stage and 12AU7 for the phase reversal stage both use triodes. Since triodes are used across all stages, the sound is taut and bright, with excellent nude characteristics. The exterior has dullness over time, rust, and small scratches. Serial 560561 (Miura Kimiya)
Maintenance information: 2018.4.28 Maintained (printed circuit board resistor replaced. (Adjustment characteristics check OK) 2014.11.21 maintenance completed (input VR, vacuum tube socket, coupling capacitor, SP terminal, BIAS DC BAL, semi-VR, each deterioration exchange, adjustment, characteristic check OK)
Accessories: instruction manual
Main specifications: 6 RA8 push-pull 6 RA8 x 4/12 AU7 x 2/6AQ8 10W+10W W410 x H145 (with hood) x D190 mm 9.6 kg
※Shipping service. No.199 Special Feature 1 = Must-Listen Audio Famous Board [80 Selection] /Special Feature 2 = Rival Showdown New Generation Digital Component/Released on 6/2/2016. Since the photograph is a sample, the actual product may be broken or there may be writing 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.
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.
The price has been reduced! 2020/11/9 sales price 70,000 yen maintenance completed. This is a 2-way network. Since bass can be pushed out well, and high frequency adjustment ranges can be obtained with 2 types of HF/MF attenuators, it is a model that is easy to match the desired sound quality. There are small scratches on the exterior due to the feeling of use. Serial 05234 07210 (Makoto Kono)
Maintenance information: 2020.11.9 maintained (common wiring reinforcement terminal solder removal, rust removal treatment, cleaning, ATT (x4) contact disassembly cleaning, contact grease application, frequency characteristic measurement check (~ approx. 42 kHz), continue using the original capacitor for good results, input/output waveform and balance confirmation sound check)
Accessories: none
Main specifications: W114 x H190 x D228 mm 1.8 kg Crossover frequency 1.2 kHz Impedance 8 ohms Level control is continuously variable up to -8 dB in the middle range is 2 kHz and the high range is continuously variable up to -6 dB at 10 kHz
Sold 1 McIntosh Print Used for drive tubes of the company's MC275CE Made in China (rejection value 50) * Measurements are gm values measured on tv-7 tv-7 (Yosuke Kojima )
Accessories: None
Sold 1 McIntosh Print Used for drive tubes of the company's MC275CE Made in China. Measured value 62 (rejection value 50) * Measurements are gm values measured on tv-7 tv-7 (Yosuke Kojima )
Accessories: None
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box
1 sold bi-triode power tube made in the USA JAN measurement value 58 (rejection value 40) with original box ※ Measured value is gm value measured by tv-7 tester (Yosuke Kojima)
Accessories: original box
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima)
Accessories: original box
1 sold in USA JAN tea base measurement 90 (rejection value 48) with original box ※ Measured value is gm value measured with tv-7 test machine (Yosuke Kojima)
Accessories: original box
The price has been drastically reduced. 2021.6.23 sales price 49,800 yen ※Conductivity has been confirmed, but since the terminal has not been treated and the ground wire is broken, it is currently sold. Exclusive tone arm for DECCA MARK 1/2/3 cartridges. Simple structure using straight pipes. Since the needle pressure is a dedicated arm, it is preset and set to an appropriate value. It is designed to maintain an optimal state for the head of the company (Murakoshi Yoichi)
Maintenance Information: 2021.6.13 Continuity Confirmed
Accessories: armrest
Main specifications: static balance type, total length 303 mm, execution length 225 mm
I cut the price. 2021/8/30 selling price 49,800 yen rare! Decka's Gramophone Rally is Hi-fidou's first arrival. The turntable is smaller than the board, and the sound has a sense of scale in the UK with a compact body. The atmospheric design, retractable needle case and spring handle are very attractive. Unknown details (Yoichi Murakoshi)
Maintenance information: 2021.8.30 sound confirmed
Accessories: replacement needle
Main specifications: W155 × H280 (350 with the lid open) × D375mm 5.5kg
The disposal price was lowered. Member discounts are not applicable. 2021/11/27 Selling price 148,000 yen The product around 1920 features a telescopic tone arm, needle pressure, and volume adjustment possible. 2-spring, oval straight horn The volume is not large, but the tone is delicate and coherent. The rotation is relatively stable, but there is sound cracking, so it is currently sold. The appearance has dirt scratches of age. (Takimoto Yutaka)
Maintenance information: 2021.11.27 operation confirmed
Accessories: handle
Main specifications: W440 × H380 × D520mm 17.9kg (actual measurement)
TV rack with unknown details. The upper top plate is attached to glass, and there are 2 casters on the back (2 legs in the front), 1 shelf board is about 18 mm thick, and the lower dowel has 3 places at intervals of about 32 mm. There is a feeling of use such as scratches, dents, etc., and the back plate is cut off quite a bit (Takasaki Atsushi)
Accessories: 1 shelf
Main specifications: Outer dimensions approx. W800 × H500 (450 excluding casters and legs) × D400 (upper top plate 355) mm Upper inner dimensions approx. W750 × H130mm Lower inner dimensions approx. W750 × H255 mm Approx. 25 kg
The disposal price has been reduced! (Member discounts are not applicable) 2022/2/5 sales price 2,000 yen ※1 bottle only. The speaker stand compatible with BOSE's various surround speakers is compatible with the 3,2,1 series, AMS-series, AM series, FreeStyle, and LS series. The exterior is dull and has a feeling of use. (ASAINE Tomonori)
Accessories: none
Main specifications: W177 x H968 x D254 mm 3.1 kg
Pair Tube 45Special/38142 Compatible Ball Fishing Rod Type Filament Measurement Value 98/92 (Rejection Value 55) Geta Burns, is a bargain because it has decreased ※The pair is GM measured with the tester TV-7 Judgment is based on the value (Yosuke Kojima)
Accessories: none
Large triode sold per unit measured IP value: 50 mA (the best standard IP value for this amplifier is 50 mA) There is a getter burn with the original box ※ I checked the sound output and measured the plate current value with the test amplifier, and it was determined that the operation was good (Kojima Yosuke)
Accessories: original box
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 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
The disposal price has been reduced. Member discounts are not applicable. 2022/12/18 sales price 79,800 yen Columbia desktop gramophone Viva-tonal Grafonola. You can adjust the volume with the front fins. The sound box is equipped with No. 9. The exterior is in good condition, although there are some scratches and stains due to age, I think it is good considering the age (Kanai Hidetsugu)
Maintenance information: 2022.12.11 sound output confirmed
Accessories: none
Main specifications: Dimensions W490 (including handle) x H320 x D483 mm, weight 14 kg
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
1 bottle of KT88 compatible ball, made in America, metal base, LUXMAN print measurement value 54 (rejection value 44), base with replacement box, has dullness ※ measured values indicate GM values measured with test machine TV-7 (Kojima Yosuke)
Accessories: replacement box
Sold 1 bottle U52/5U4G equivalent tube brown base, made in England, measured value 52 (rejected value 40) with white box (written on the box), part of the print on the model number part has disappeared, but it was determined from the structure that it was CV1071. There are adhesive marks on part of the base ※The measured value represents the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube direct thermal triode made in England measured value 54/50 (rejection value 39) with replacement box The plate shape of the spring fixing part on the top of the head is slightly different on the left and right, and there is discoloration on the plate on one side ※ The pair was determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement 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 large triode print sold in Japan has disappeared, but I think it was made by NEC from the structure. Measured IP value: 45 mA (the best standard IP value for this amplifier is 50 mA) with the original box ※ I checked the sound output with the test amplifier and measured the plate current value, and it has been determined that the operation is good (Kojima Yosuke)
Accessories: original box