Altec's 20cm coaxial 2-way. The crispness is the same, but the impression is different from Altec of yesteryear, and clarity and delicacy have been added. There is a feeling of use over time (Fujisawa Yukishi)
Maintenance information: 2022.12.24 sweep chuck completed
Accessories: none
Main specifications: 20cm full range 8ohm maximum input 32W
※Since the edge seems to have deteriorated, it is inexpensive. The famous Diamond Tone 610DB is still highly popular. Its popularity has increased year by year, and there are no strangers to those who make their own units. It is a full range that uses Alnico magnets and is very easy to use without any peculiar characteristics from low to high frequencies. The exterior is dull and moldy. Serial 28823/28824 (Tamura Eiji)
Maintenance Information: 2022.12.17 Sweep Check OK
Accessories: none
Main specifications: playback frequency characteristics 70 Hz to 20 kHz output sound pressure level 92 dB impedance 8 ohms maximum input 20 W weight 0.92 kg/piece
This is a PHILIPS full range unit. It was released in the latter half of the 1960s and details are unknown, and although it is centered in the middle range, it has a relatively high resolution sound. The exterior is dull and sunburned over time, and something like paint is applied to the back of the frame (Takahashi Nobuyuki)
Maintenance information: 2022.12.16 operation confirmed (good sweep test)
Accessories: none
Main specifications: 8Ω size 155 x 155 mm height 65 mm diameter 166 mm weight 742 g (measured value)
The price has been reduced! 2022/12/12 sales price 69,800 yen 2022.12.12 maintained! This is the ferrite model of LE8T. The bass is more voluminous than the Alnico type, and the sense of scale is excellent even though it is a small size. The soft tone makes you hear the vocals delicately. The exterior is dull and has small scratches due to aging. Serial 47043/51729 (Kimiya Miura)
Maintenance information: 2022.12.12 Maintained (removing the cone, damper and center cap to clean the porcelain circuit slit, anti-rust measures)
Accessories: no accessories
Main specifications: 20 cm full range unit, ferrite magnet, 8 ohms, playback frequency, 35 to 15,000 Hz, screw pitch (diagonal), 193 mm, 3.7 kg
An 8cm unit with a diamond tone thought to be a squawker. It's a huge magnetic case, and it's really easy to make. The degree is generally good (Murakoshi Yoichi)
Maintenance information: 2022.12.9 sound output confirmed
Accessories: none
Main specifications: 16Ω screw pitch (diagonal) 115mm external shape 125mm depth 65mm
The price has been reduced. 2022/12/9 sales price 6,000 yen. Yamaha 20cm full range unit with unknown details. Uses fixed edges and Alnico magnets. How about using it as an introduction to DIY audio? There are stains on corn paper and white stains like paint (Murakoshi Yoichi)
Maintenance information: 2022.12.9 sound output confirmed
Accessories: none
Main specifications: 8Ω 15W screw pitch (diagonal) 195mm external shape 201mm depth 181mm
Yamaha 20cm full range unit with unknown details. Uses fixed edges and Alnico magnets. How about using it as an introduction to DIY audio? There are stains on corn paper and white stains like paint (Murakoshi Yoichi)
Maintenance information: 2022.11.29 sound output confirmed
Accessories: none
Main specifications: 8Ω 15W screw pitch (diagonal) 195mm external shape 201mm depth 181mm
The disposal price has been reduced. Member discounts are not applicable. 2022/12/9 sales price 12,000 yen. *Currently sold. 1 bottle only. A 14cm metal cone full range unit introduced as a successor to the Alpair 12M. The impression is that it sounds bright and cheerful. There is a small scratch on the end of the cone (Mizushima Itsuro)
Maintenance information: 2022.12.9 operation confirmed
Accessories: original box, stop screw
Main specifications: 5.4 ohms, 88.1 dB, 39 Hz to 25 kHz, frame diameter 171 mm, depth 80 mm, 1.8 kg
3-inch full range unit from French AUDAX. Since it's a 3-inch unit, I can't expect much in the low frequencies, but I was able to hear sharp, clear sounds in the mid to high frequencies. The exterior is slightly dull. Serial 102426A 102426A (Takahashi Nobuyuki)
Maintenance information: 2022.12.9 operation confirmed (good sweep test)
Accessories: original box
Main specifications: minimum resonance frequency 141 Hz efficiency 82.6 dB diameter 91 mm thickness 56 mm weight 292 g (actual measurement)
12cm unit for Pioneer mids. Details are unknown, but it looks like the 70s, FB cone era. The edges are made of cloth. There is a line scratch on the center cap on one side and a repair mark on the cone (Murakoshi Yoichi)
Maintenance information: 2022.10.22 sound output confirmed
Accessories: none
Main specifications: frame diameter 142 mm screw pitch (diagonal) 135 mm depth 94 mm 1.4 kg
*Currently sold. Very easy to use FOSTEX horn tweeter. The frequency band is also wide and you can enjoy sharp sound quality typical of horn tweeters (Itsuro Mizushima)
Maintenance information: 2022.12.5 operation confirmed
Accessories: instruction manual, original box
Main specifications: Horn type tweeter playback frequency 5,000 to 50,000 Hz cutoff frequency 2,600 kHz recommended crossover 5,000 Hz or more 8Ω output sound pressure level 98.5 dB diameter 87 x H49.5 mm weight 340 g
The price has been reduced. 2022/12/5 sales price 29,800 yen*6 month warranty. Altec's 10cm full range unit that is rarely in stock. An ALTEC unit with an orthodox design suitable for bass reflex. Please enjoy the speedy sounds unique to ALTEC (Itsuro Mizushima)
Maintenance information: 2022.12.5 operation confirmed
Accessories: none
Main specifications: inch screw pitch 120 mm, playback frequency characteristics 130 to 14,000 Hz, efficiency 94 dB, impedance 7 ohms, weight 0.8 kg
Good enough to doubt the model year. Coral double cone 16cm full range unit. Uses a long voice coil that was also used in the beta series. It literally has a straightforward and light sound (Murakoshi Yoichi)
Maintenance information: 2022.12.1 sound output confirmed
Accessories: original box
Main specifications: 16cm double cone full range 8Ω 98dB baffle opening dimensions 143 φmm 1.4 kg
※1 bottle only. 16cm double cone full range under the name Foster, which is the origin of FOSTEX FE163. It features a cloth edge configuration similar to FE163 and no center hole. Generally good (Murakoshi Yoichi)
Maintenance information: 2022.10.23 sound output confirmed
Accessories: none
Main specifications: Impedance 8Ω (measured 8Ω) 25W screw pitch 174mm (diagonal)
The price has been reduced. 2022/11/29 sales price 1,200 yen 20cm full range unit with unknown details. Double cone, fixed edge, easy to use configuration. How about getting started with DIY audio (Murakoshi Yoichi)
Maintenance information: 2022.10.29 sound output confirmed
Accessories: none
Main specifications: 4Ω 60W screw pitch (diagonal) 195 mm diameter 205 mm depth 67 mm
*Currently sold: 1 bottle only. 16cm full range speaker unit Valum ferrite magnets are used for the magnetic circuit. The edge part uses a free edge method in which the cloth is impregnated with a special agent and molded into a roll shape. There are age spots and dullness, but the condition is beautiful (Kanai Hidetsugu)
Maintenance information: 2022.10.23 sound output confirmed
Accessories: none
Main specifications: Impedance 8Ω Maximum input 25W Playback frequency band FO to 20kHz Dimensions W166xD137.5mm Weight (actual measurement) 1350g Screw hole diagonal 175mm
* There is no problem with operation, but since it is inexpensive, it will be handed over as is. A 16cm full range speaker aiming for further evolution with unique technology such as a 2-layer cone. Enjoy putting it in a BH or bass reflex enclosure. The exterior is dull (Kimiya Miura)
Maintenance information: 2022.11.12 operation confirmed
Accessories: gasket
Main specifications: 16cm full range impedance 8Ω input 90W output sound pressure level 92dB/W dead weight 1.95kg
* There is no problem with operation, but since it is inexpensive, it will be handed over as is. Speaker system incorporating Fostex's 10cm cone-shaped full-range unit S100 into a self-made enclosure. It's an easy-to-use unit with a timeless tone. The exterior is good with little feeling of use (Satoshi Yonejima)
Maintenance information: 2022.11.17 good sweep test
Accessories: instruction manual original box
Main specifications: 10cm full range minimum resonance frequency 80Hz playback frequency band FO to 20kHz 8Ω efficiency 89dB input resistance 60W magnet weight 330g W193 x H286 x D227 mm 4.1 kg
Disposal prices have been reduced. Member discounts do not apply. 2022/11/13 sales price 10,000 yen. *Currently on sale. 1 bottle only The rare unit P-610FB has arrived! 16cm single cone type full range unit It is a model that suppresses distortion and achieves durability and a wide range. Sounds rich in musicality and satisfying listening are reproduced from the ferrite magnet unit. There is a slight feeling of use (Takasaki Atsushi)
Maintenance information: 2022.11.6 sound output confirmed
Accessories: instruction manual, original box
Main specifications: single cone type full range 16cm unit 8ohm maximum input 20W playback frequency band 70Hz to 20000Hz output sound pressure level 92dB weight 0.78 kg/bottle
The price has been reduced. 2022 11/10 selling price 89,800 yen JBL's standard 38cm woofer. The sharp, bouncy low frequencies, and high efficiency are attractive. It is a model that is easy to match with both 2-way and 3-way models. There is discoloration of the cone paper, small scratches on the center cap on one side, etc. (Fujisawa Yukishi)
Maintenance info: 2022.11.10 sweep tested
Accessories: none
Main specifications: 38cm woofer allowable input 60W 8Ω sound pressure level 101dB recommended enclosure internal volume 114L to 338L depth 146mm 8.6 kg
Altec's 20cm coaxial 2-way. The sharpness is the same, but the impression is different from Altec of yesteryear, and clarity and delicacy are added. There is dullness over time (Sasaki Shota)
Maintenance Information: 2022.11.8 Sweep Test Good
Accessories: none
Main specifications: 20cm full range 8Ω maximum input 32W
*Currently sold. Technics's 20cm full range unit “Genkotsu”. Flatter frequency characteristics are obtained by adopting a unique elliptical corrugation for the main cone. There is a slight distortion in the sweep check, but there was no problem with music playback. There is a feeling of use (Kanai Hidetsugu)
Maintenance information: 2022.10.15 sound output confirmed
Accessories: none
Main Specifications: Double Cone Type Full Range Unit Caliber 20cm Cone Effective Diameter 170mm Maximum Input 10W Impedance 8Ω Frequency Characteristics 38Hz to 20kHz Minimum Resonance Frequency 38Hz Output Sound pressure level 95 dB
Weight 1.6 kg
*Currently sold. 1 bottle only. Pioneer's 20cm cone type full range unit. It's an interesting unit with a mid-range expression that makes you feel like it comes out fluffy. The feeling of use is great (Kanai Hidetsugu)
Maintenance information: 2022.10.15 sound output confirmed
Accessories: original box
Main specifications: 16W impedance 8Ω frequency characteristics 70-16,000Hz 94dB screw hole diagonal 194mm φ205mm x D140mm 2.0kg
※Since it is inexpensive, it will be passed as is. A full range unit of the SCANSPEAK 5F/8422T03 sold by ONTOMO. Recommended for self-made people (Tomoho Asaine)
Maintenance information: 2022.11.7 sound confirmed
Accessories: none
Main specifications: 5 cm full range impedance 8 ohms minimum resonance frequency (f0) 118 Hz output sound pressure level 80 dB W72 x H200 x D165 mm dead weight 620 g/book
Sansui's 8cm full range unit with unknown details. It has an unusual structure with a metal cap inside the center dome. There are aging spots, but they are generally beautiful (Kanai Hidetsugu)
Maintenance information: 2022.11.5 sound output confirmed
Accessories: none
Main specifications: impedance 15Ω (actual measurement 15Ω) 5W screw pitch 114mm (diagonal) weight 555g
Unspecified full range unit 15cm. There was no problem with the sweep check. It has an appearance, dullness, and rubbing.
Maintenance Information: 2022.11.6 Operation confirmed
Accessories: none
Main specifications: 8Ω 15cm
Disposal prices have been reduced. Member discounts do not apply. 2022/11/6 sales price 10,000 yen. Toshiba 18cm paper cone unit with unknown details. The thin paper cone and Alnico magnet are reminiscent of units made overseas (Kanai Hidetsugu)
Maintenance information: 2022.10.29 sound output confirmed
Accessories: none
Main specifications: impedance 8 ohms (measured 9 ohms) screw pitch 195 mm (diagonal) 10 w
22cm unit using Pioneer FB cones. Aging deterioration such as wrinkles, dullness, and corrosion on the yoke is scattered (Kanai Hidetsugu)
Maintenance information: 2022.10.29 sound confirmed
Accessories: none
Main specifications: impedance measured 9Ω screw pitch 254mm (diagonal)
Prices have been reduced. The 2022/11/2 sales price is 4,000 yen. Diatone 10cm full range unit. A polyester resin film is used for the edge part, which improves rise characteristics, responsiveness to pulsive signals, and suppresses the occurrence of distortion. There is dirt on all sides, feeling of use, and dirt on the edges (Kanai Hidetsugu)
Maintenance information: 2022.11.2 sound output confirmed
Accessories: none
Main specifications: Impedance 8Ω rated input 15W aluminum cast frame weight approx. 700g
The price has been reduced. 2022/11/2 sales price is 1,000 yen. 5 cm unit with unknown details. Paper cone with cloth edge configuration It's made in China, but it comes with a nice magnet. How about acting on your own for research? (Murakoshi Yoichi)
Maintenance information: 2022.10.22 sound output confirmed
Accessories: none
Main specifications: Impedance measurement 4/6 ohms, screw pitch (diagonal), 100 mm, external dimensions 87 x 87 mm, depth 46 mm, 292 g
Alnico 10cm unit by Onkyo whose details are unknown. The fixed edge and thin paper cone are a nice touch. Since the wire with the faststone terminal comes out of the terminal, it seems that it was attached to the system (Murakoshi Yoichi)
Maintenance information: 2022.11.1 sound output confirmed
Accessories: none
Main specifications: impedance 8Ω rated input 1W screw pitch (diagonal) 117 mm external dimensions 102 x 102 mm depth 51 mm 202 g
8cm cone unit with unknown details. The metal-colored center cap is impressive. The edge is urethane, but it has good elasticity, and it seems that you can still enjoy it (Murakoshi Yoichi)
Maintenance information: 2022.10.22 sound output confirmed
Accessories: none
Main specifications: measured impedance 8/8 Ω screw pitch (diagonal) 108 mm external dimensions φ106 mm depth 44 mm 193 g
The price has been reduced! 2022 11/1 selling price 79,800 yen edge brand new replacement! Professional model of the JBL masterpiece 20cm full range LE8T. There is a sense of volume in the bass for its size, and the good sound is attractive. There is corrosion and paint peeling on the frame and body. Serial 16435 16541 (Yamato Yuki)
Maintenance Information: 2022.11.1 Operation confirmed (sweep test good)
Accessories: none
Main specifications: Alnico 8Ω 20cm full range 92dB playback frequency 40-15,000 Hz 3.6 kg
The price has been reduced. 203/10/29 selling price 18,000 yen 20cm coaxial full range with an electro robot. The unit is easy to use because it has a bright and crisp sound and can cover enough bandwidth with one shot (Itsuro Mizushima)
Maintenance information: 2022.10.29 sound confirmed
Accessories: none
Main Specifications: Coaxial 2-Way Full Range Aperture 20cm Playback Frequency Band 50-15,000 Hz Crossover 2,500Hz 8Ω Maximum Input 30W Output Sound Pressure Level 97.7dB Diameter 206 ×depth 83mm 1.4kg
* There is no problem with the current operation, but since it is inexpensive, it is sold as is without warranty. FosTeX 2-way speaker unit from the 2014/8 issue appendix of the magazine Stereo. Why don't you try making your own speaker by referring to an article in Stereo magazine (Tomonori Asane)
Main Specifications: [PT20] 20mm soft dome tweeter impedance 8Ω playback frequency band 3000Hz to 32000Hz output sound pressure level 84db input 5W recommended crossover frequency 5kHz or more [PW80] 8cm cone woofer impedance 8Ω minimum resonance frequency 130Hz output sound pressure level 83db input 8W
A full range unit from the 2016/8 issue appendix of Stereo magazine. There is no magazine itself. Uses Fostex's first aluminum cone diaphragm and center cap. It is characterized by the rise and sharpness of the sound (Tomonori Asane)
Accessories: original box
*Currently sold. 10cm full range unit from the 2015/8 edition of Stereo magazine appendix. The lightweight cone and rubber edge make it attractive for its responsive sound quality. The low frequencies are moderately braked, so you can enjoy a sense of volume of 10 cm or more (Asane Tomoho)
Maintenance information: 2022.7.31 sound output confirmed
Accessories: original box
Main specifications: Mechanical 2-way 10cm cone type full-range impedance 8Ω playback frequency band to 16kHz output sound pressure level 88dB input 12W magnet mass 103 g baffle hole dimensions 94 mm bass reflex enclosure recommended
Pioneer's 6cm full range unit, which is an appendix to STEREO magazine. Why don't you feel free to play around in various situations? It is an unused item and is in a clean state (Hiroki Aso)
Accessories: original box booklet
Main specifications: 6cm full range unit 6Ω 80-20kHz approx. 218g (1 bottle)
Disposal prices have been reduced! (Member discounts do not apply) 2022/10/22 sales price 89,800 yen Maintenance completed! ※It is inexpensive because the network is out of stock. 1 bottle only The ALTEC 605B, which is touted as a masterpiece of professional monitors due to its high degree of perfection, is sold separately. Achievements at many recording sites can be confirmed in numerous recorded works. Please experience the strong, dry ALTEC sound with high penetrating power. The exterior has dullness, rust, and repair marks. Serial 391638 (Yonejima Satoshi)
Maintenance information: 2022.10.21 Maintained (coaxial tweeter distortion and cone repair)
Accessories: no accessories
Main specifications: 2-way 38cm coaxial speaker unit 16Ω frequency characteristics 20Hz to 20kHz minimum resonance frequency 25Hz rated input 35W crossover frequency 1.6kHz diameter 389 x depth 254 mm weight 12.7 kg
Prices have been reduced. 2022/10/10 sales price 15,000 yen An 8cm full range unit sold in a limited edition of 3,000 units. The response and sharpness are impressive, and the sound is bright and tense. The exterior has a feeling of use such as dullness. There are some screw installation marks and repair marks on the frame (Yamato Yuki)
Maintenance information: 2022.10.10 Operation confirmed (good sweep test)
Accessories: none
Main specifications: 8cm cone type full range 8Ω 88dB F0 to 40kHz baffle opening dimensions 73 mm diameter 470 g
Disposal prices have been reduced. Member discounts do not apply. 2022/10/9 sales price 10,000 yen*There is a tear on the corn paper. An 18 cm unknown unit where thin corn paper makes you expect sound. It's made with fixed edges and deep cones that look like they were made overseas (Murakoshi Yoichi)
Maintenance information: 2022.1.28 sweep confirmed
Accessories: none
Main specifications: screw hole diagonal pitch 193 mm impedance 6/4Ω (actual measurement)
The price has been reduced. The 2022 10/8 selling price is 16,800 yen. *Currently sold. This is a 10cm full range unit produced by Fostex, limited to 1,500 units. It features an energetic sound like the frame color orange. You can feel the advantages of a small full range because of the tension in the middle range and the ease of standing up. There are solder marks and dullness on the terminals (Katsutsugu Hiura)
Maintenance information: 2022.10.8 sound output confirmed
Accessories: instruction manual original box
Main specifications: 8Ω 20-40kHz 90dB W106 x H47 x D106 mm approx. 640 g
*Replaced with chamois leather by Dentec. DIATONE's premier unit. Uses alnico magnets. A unit that continues to be popular for its natural, mid-range, high-textured tone. It is unrivaled in playing vocals from old sources. The exterior is dull. Serial 9895688/9895691 (Satoshi Yoneshima)
Maintenance info: 2022.10.7 sweep test good
Accessories: instruction manual, original box
Main Specifications: Single Cone Type Full Range Foam Urethane Edge Alnico Caliber 16cm 16Ω Playback Frequency Band 80Hz to 13,000 Hz External Dimensions W173 x D94 mm Weight 0.75 kg
※1 bottle only. A speaker with a cone molded from a very rare phenolic resin. The edges are also made of phenolic resin, so the low frequencies are modest, but the tasteful tone is attractive. There are rust floats, scratches, paint peeling, etc. (Oikawa Tetsuji)
Maintenance Information: 2022.9.25 Operation confirmed
Accessories: none
Main specifications: 4Ω diameter 150mm x depth 160mm 5kg
The price has been reduced! 2022 9/24 selling price 298,000 yen with original box, WEMBLEY MIDDX engraved original full range AXIOM 80! The sound of a pin standing up is the ultimate in transparency. The high sound pressure that rises sharply from the mid-high range is noticeable until the source is made and the player is ready. The exterior has dullness and rubbing (Miura Kimiya)
Maintenance Information: Maintained on 2022.9.24 (total dismantling, all cones, blades, and blocks disassembled. Peel off the adhesive. Maintenance of each part 1. Reinforce cone and blade cracks with Japanese paper. Deburr the block and pull out a perfect circle. Maintenance of each part 2. Clean the porcelain circuit slit to prevent rust, and re-attach the bobbin root blade. Cone and blade repair. The dislocation of the blade and cone is repaired, and the deformation of the cone is also corrected. ADJUSTMENT ASSEMBLY, ADJUST AND ASSEMBLE EACH PART. Operation check Insert a sine wave and check the adjustment. (Maintenance set)
Accessories: original box
Main specifications: cone type full range unit 25cm aperture input 12W impedance 15Ω minimum resonance frequency 20 Hz playback frequency band 20 to 20,000 Hz void magnetic flux density 17,000 gauss voice coil caliber 2.5 cm