Maintained! This is the first AUDIO OF OREGON control amplifier to be in stock 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 interior has been completely overhauled! This is an 811A push-pull tube power amplifier. You can enjoy an overhanging vacuum tube sound with luxurious mono specifications where the woofer is properly braked. The thick, cored sound in the low range makes you feel the momentum and strength unrivaled for a vacuum tube. The entire exterior has scratches and dullness over time (Sasaki Shota)
Maintenance information: 2024.4.26 Maintained (vacuum tube 5R4GY strain and deterioration replacement. 1W resistor distortion and deterioration replacement. 25W resistance deterioration and pair replacement. Vacuum tube 6W6 deterioration replacement/vacuum tube 6SN7 defective replacement. Block capacitors 40 μF x 2 made in Japan → replaced with CE ones. 1 x 2 Vacuum Tube Socket and RCA Jack Caulking Repair Rated output: 85 to 120 W with AC 100 to 117 V, measured at SP: 8 ohms)
Accessories: none
Main specifications: vacuum tube 811A x 4, 5R4GY x 8, 6W6GTB x 4, 6SN7GTB x 2, 12AX7 x 2, 165W+165W W482 x H272 x D310 mm
※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 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
Self-made enclosure for 38cm units. An ALTEC 416-8C was installed. It is sturdy and heavy. There is a feeling of use on the exterior, such as scratches, paint chips, paint on the back, and screw holes in the top plate. ※Shipping costs will be estimated separately (Mizusaki Ryo)
Accessories: saran net
Main specifications: W660 x H995 x D465 mm (including casters) woofer aperture 360 mm φweight 51.1 kg (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
Inexpensive because it is in poor condition. 38cm enclosure. Originally, the ALTEC 604-8G was included. There are many scratches, cracks and peeling on the decorative plate, and there is screw licking*Shipping is estimated separately (Oikawa Tetsuji)
Main specifications: W660 x H1005 x D465 mm 35.1 kg
※One piece only. Details unknown, this is an ALTEC 604 or ALTEC 1 inch driver diaphragm. It seems to be an inexpensive interchangeable product (Daiki Goto)
Accessories: none
※Shipping service. Special Issue No. 36 = All Speaker Systems (above) Test of the latest 40 models/Sound Quarterly (listen to new products) /1975.10.1 issue. Published models: CHRYSLER/LAB-1000,2000 YAMAHA/NS-451 ALLISON/ONE, TWO SLESTION/UL6, UL8 OMAL/MODEL TL6 CABASSE/BRIGANTIN INFINITI/2000Ⅱ JENSEN/23 YAMAHA/C-1 SANSUI/AU9900,11000, TU9900 LAX/L-80V TECHNICS/ HY-7600,7200, ST-7600,7200 VICTOR/JA-S91, S71, S51, JT-V71, V51 TRIO/KA-7500, KT-7500 DIATONE/DA-U850, DA-F750, DA-U750 GAS/AMPZILA SAE/MARK2500 ALTEC/9440A RADFORD/HD250, ZD22 DENON/DP-1700, DL-109R ,109D DIATONE/DP-91D YAMAHA/YP-600, YP-1000Ⅱ MICRO/TAKE-5 CEC/BD-7000 OTTO/TP-1200 SANSUI/SR-525 GRACE/G714, G704 DUAL/601,1228,1225. The photograph is a sample, so the actual item may be broken or written on it.
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
An Onken (Onken) style 38cm enclosure with an impressive bass reflex lined up on both sides. It adds thickness to the low frequencies and makes full use of the umami of the sound. Originally, the ALTEC 515B is mounted, and it is an enclosure that I want to assemble with a horn system to make it sound firmly. There is quite a feeling of use such as dirt, etc., and some broken screws. (Takasaki Atsushi)
Main specifications: W800 × H1023 (including casters) × D500mm Mounting hole diameter 345mm Screw pitch (diagonal) 372mm Width between splints on the back of the front baffle 410mm (actual measurement) 79.6 kg (actual measurement)
The price has been reduced. 2020/5/26 Sales price 29,800 yen Probably a 1 inch horn made by Raft Craft. When checked on the painted part, it is made of FRP-like material, and it is lightweight for its size, and can be carried by one man alone. The screw hole has holes for both ALTEC and JBL. There are many usability, dullness, scratches, paint peeling, etc. (Yoichi Murakoshi)
Accessories: None
Main specifications: Measured outer diameter dimensions approx. W835 × H250 × D835 mm Actual measured weight approx. 20.4 kg