Attenuators, insulating bushings, etc. were replaced with new ones in 2017/8! The terminal is carefully polished at the point where it is conducted, and the resistance value is lowered as much as possible. With a 7000 Hz crossover, it's perfect for tweeters such as 075 and 077. The exterior has spots and deterioration. Serial 19618/19692 (Satoshi Yoneshima)
Maintenance Information: 2022.9.10 Maintained (All parts inspected and cleaned. Tighten the terminal mounting screws again. (Characteristics measurement and sound output check OK) 2017.8.21 Maintained (terminal rust removal, cleaning, screw washer type replacement. ATT exchange. Check the input/output waveform and balance, and check the sound output. (Frequency characteristic measurement check (~ approx. 42 kHz) was performed and the original capacitor was used for good results.)
Accessories: There are no accessories
Key Specifications: Variable Level Control Crossover Frequency 7kHz 8Ω Weight 900g
Maintained in 2020. This is Altech's 2-way, 800Hz crossover network. Equipped with an attenuator. Please use this when you want to change A5 or A7 to 800Hz. There are scratches, dullness, etc. on the exterior (Fujisawa Yukishi)
Maintenance information: 2020.9.22 Maintained (remove the input terminal to remove acid wash rust and clean. Remove the solder from the output terminals and clean them. ATT disassembly contact cleaning, contact grease application. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. Input/output waveform and balance check, sound output check.)
Accessories: none
Main specifications: allowable input 100W input impedance 8Ω attenuator 1dB to 10dB crossover frequency 800Hz dimensions W122 x H140 x D143 mm weight 1.6 kg
The price has been reduced. 2022/9/6 sales price 59,800 yen Maintained! It's a network that doesn't have many items in stock. Please enjoy the original sound quality, as if a dull veil has been removed. The main unit is connected for 604-8H and has a 1500 Hz 2-way specification. There is a chip on the bottom screw on the 02855 side. Serial 02855 03167 (Asaine Tomonori)
Maintenance information: 2020.12.6 Maintained (terminal cleaning, ATT disassembly contact cleaning, contact grease application, common wiring strengthening treatment, correction of errors in internal wiring on one side (thought to be manufacturer manufacturing defect), frequency characteristic measurement checks (~ about 42 kHz) are performed, original capacitors are continuously used for good results, input/output waveform and balance checks, sound output checks)
Accessories: none
Main specifications: impedance 8 ohms actual measurement W108 x H190 x D200 (excluding protrusions) mm actual measurement 1.7 kg+
We have confirmed that sound is emitted for both the LOW pass and the HIGH pass, and the details have not been checked and it will be passed Constant Resistance Parallel High-Low Pass Filter for Pioneer PT-R7 The cross is 8,000 Hz. Air core coils with low DC resistance and low loss are used. The exterior is good (Hitoshi Kobayashi)
Maintenance Information: 2022.8.28 Conduction Confirmed
Accessories: none
Main specifications: 8,000 Hz 8Ω 12dB W120 × H35 × D120 mm (actual measurement) 300g
Attenuators, insulation bushings, etc. have been replaced with new ones in 2018/11! The resistance value is lowered as much as possible by carefully polishing the terminals where the conduction is conducted. With a crossover of 7000Hz, it is ideal for tweeters such as 075 and 077. The appearance may be dull or deteriorated. Serial 19618/19692 (Satoshi Yonejima)
Maintenance information: 2018.11.28 Maintained (terminal re-tightening, cleaning. ATT cleaning Check input/output waveform and balance, and sound output check. Frequency characteristic measurement check. (The capacitor was replaced with AudynCap on 2015.12.10)
Key Specifications: Variable Level Control Crossover Frequency 7kHz 8Ω Weight 900g
Technics's 2-way network, cross is 5,000 Hz. The wiring cable of the previous owner is attached as it is (Shota Sasaki)
Accessories: none
Main specifications: 2way network 8Ω crossover 5kHz attenuation 12dB/oct
This high-pass filter is recommended for the Super Tweeter PT-R100. It is possible to select the frequency to be cut with the 12/16/20kHz terminal to be connected. The appearance is dullness and chipping in the red-black ring of the terminals. (Tamura Eiji)
Maintenance information: 2022.8.13 Sound output confirmation
Accessories: No accessories
Main specifications: Crossover frequency: 12K/16K/20kHz (-12dB/Oct) switchable impedance 8Ω maximum input 100W W150 × H105 × D85mm 1.0 kg
This high-pass filter is recommended for the Super Tweeter PT-R100. It is possible to select the frequency to be cut with the 12/16/20kHz terminal to be connected. The appearance is dull. (Tamura Eiji)
Maintenance information: 2022.8.13 Sound output confirmation
Accessories: No accessories
Main specifications: Crossover frequency: 12K/16K/20kHz (-12dB/Oct) switchable impedance 8Ω maximum input 100W W150 × H105 × D85mm 1.0 kg
* Currently sold item. A network with a round and simple design that catches the eye. It's an affordable price, so how about those who are thinking of making their own in 2 WAY? Appearance, dullness, abrasions, there are dents (Hitoshi Kobayashi)
Maintenance information: 2022.7.12 Operation confirmed
Accessories: none
Main specifications: Crossover 500Hz 100W 8Ω W138 × H138 × D140mm 1.9 kg
Maintenance has been completed! Network with a crossover frequency of 7 kHz. Ideal for MID/HIGH in 3WAY systems using 2440. The appearance has a feeling of use such as small scratches and dullness. Serial 15615 15685 (Asaine Tomoho)
Maintenance Information: 2022.7.10 Maintained (Terminal Rust Removal Pickling, Cleaning, Insulating Bushing & Mounting Screw Replacement. ATT new replacement Frequency characteristic measurement check (~ about 42kHz) is performed, and the original capacitor is continued to be used for good results. (Input/output waveform and balance check, sound output check)
Accessories: none
Main Specifications: Crossover Frequency 7kHz Allowable Input (Continuous Program) 50W Impedance Bass Range: 12-16Ω Treble Range: 12-16Ω Treble Attension/Variable Volume Mounting Hole W140 x 108 mm 0.7 kg
Maintained! A network with a crossover frequency of 7 kHz. Perfect for MID/HIGH on 3-way systems using 2440. The exterior has dullness and paint deterioration. Serial 17694, 18736 (Miura Kimiya)
Maintenance Information: 2022.6.25 Maintained (Terminal Rust Removal, Pickling, Cleaning, Insulating Bushing & Mounting Screw Replacement. ATT brand new replacement. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used for good results. (Check input/output waveform and balance, check sound output)
Accessories: There are no accessories
Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume installation Hole W140 x 108 mm 0.7 kg
*Only one unit is sold. The crossover can be switched between 2500 Hz and 3500 Hz by switching the internal wiring of the Pioneer 2-way network, so you can use it according to your system. If you have an AE-200, you can install it as is (Ryo Mizusaki)
Maintenance Information: 2022.6.10 Confirmation Confirmed
Accessories: original box, instruction manual, screws
Main specifications: Attenuation 12dB/oct impedance 8Ω crossover frequency mid to high range: 2.5 kHz, 3.5 kHz
Maximum input 100W constant loss 1dB or less Mounting opening dimensions 100mm wide x 137mm high
Mounting hole dimensions 110 x height 148 mm weight 0.3 kg
It's been maintained! With a crossover 7000Hz, the perfect network for tweeters such as 075 and 077! Please enjoy using it according to your purpose, such as 2-way or 3-way. The appearance is painted bald and dull. Serial 27176/27235 (Kimiya Miura)
Maintenance Information: 2022.5.22 Maintained (Terminal rust removal pickling, cleaning, insulation bushing & mounting screw replacement. ATT brand new replacement Frequency characteristic measurement check (~ 42 kHz) was performed and the original capacitor was continued to be used for good results. (Check input/output waveform and balance, check sound output)
Accessories: No accessories
Key Specifications: Variable Level Control Crossover Frequency 7kHz 8Ω Weight 900g
It has been maintained. With a crossover of 7000 Hz, the best network for tweeters such as 075 and 077! Please enjoy using it in a way that suits your purpose, such as 2-way and 3-way. The appearance has a feeling of use such as dullness. Serial 17288 18098 (Asaine Tomoho)
Maintenance information: 2022.5.14 Maintained (housing wash terminal rust removal pickling cleaning insulation bushing & mounting screw replacement ATT new replacement frequency characteristic measurement check (~ approx. 42kHz) and continue to use the original capacitor for good results input/output waveform and balance check sound output check)
Accessories: none
Key Specifications: Variable Level Control Crossover Frequency 7kHz 8Ω Weight 900g
It has been maintained. With a crossover of 7000 Hz, the best network for tweeters such as 075 and 077! Please enjoy it in a way that suits your purpose, such as 2way and 3way (Yoichi Murakoshi)
Maintenance Information: 2022.5.12 Maintenance (Terminal rust removal, pickling, cleaning, insulation bushing & mounting screw replacement. ATT new replacement Frequency characteristic measurement check (~ about 42kHz) is performed, and the original capacitor is continued to be used for good results. (Check input/output waveform and balance, sound output check.)
Accessories: none
Key Specifications: Variable Level Control Crossover Frequency 7kHz 8Ω Weight 900g
Maintained With a crossover of 7000 Hz, the perfect network for tweeters such as 075 and 077! Please enjoy using it in a way that suits your purpose, such as 2 way or 3 way (Sasaki Shota)
Maintenance Information: 2022.5.10 Maintained (Terminal Rust Removal, Pickling, Cleaning, Insulating Bushing & Mounting Screw Replacement. ATT brand new replacement. The capacitor had already been replaced elsewhere, but it was removed due to a difference in capacitance (modification), returned to the original capacitor left inside the housing, and performed a frequency characteristic measurement check (~ 42 kHz) to make sure there is no problem confirm. Check the input/output waveform and balance, and check the sound output.)
Accessories: none
Key Specifications: Variable Level Control Crossover Frequency 7kHz 8Ω Weight 900g
A rare item. It is a network that was sold for the high range of the GAUSS CP-3820. 13kHz and 8kHz can be switched by internal wiring. * The included coil was about 0.5Ω 0.51 mH at the actual measured value (Fujisawa Koshi)
Accessories: instruction manual, original box, 4 coils
Main specifications: Crossover 13000Hz (8000Hz) 8Ω
It has been maintained. With a crossover 7000Hz, the perfect network for tweeters such as 075 and 077! Please enjoy using it according to the purpose such as 2way or 3way (Oikawa Tetsuji)
Maintenance Information: 2022.4.27 Maintained (terminal rust removal pickling, cleaning, insulation bushing & mounting screw replacement. ATT brand new replacement Since the capacitor has been replaced elsewhere (made by DAYTON), a frequency characteristic measurement check (~ 42 kHz) is performed to confirm that there is no problem. (Check input/output waveform and balance, check sound output)
Key Specifications: Variable Level Control Crossover Frequency 7kHz 8Ω Weight 900g
It's been maintained! This high-pass filter is recommended for the Super Tweeter PT-R100 released in 2002. It is possible to select the frequency to be cut by the 12/16/20kHz terminal to be connected. There are several repairs for chipping wounds each (Yoichi Murakoshi)
Maintenance Information: 2022.4.23 Maintenance (terminal installation, defect site putty filling, only the putty part after enamel painting. (Network characteristics measurement.) 2022.4.1 Each input and output sound has been confirmed
Accessories: None
Main specifications: Crossover frequency: 12K/16K/20kHz (-12dB/oct) Switchable impedance 8Ω Maximum input 100W W150 × H105 × D85mm 1.0 kg
Coral professional 3-way network Although it is a standard product, it is a gem that you don't see much. (Fujisawa Yukishi)
Accessories: original box, instruction manual
Main specifications: Crossover 300Hz/3500Hz impedance 8/16Ω compatible (using jumper wire) withstand input 30W W115 × H10 × XD80mm 1.3kg
It is a high-pass filter recommended for the Super Tweeter PT-R100 released in 2002. It is possible to select the frequency to be cut with the 12/16/20kHz terminal to be connected. The appearance is Kusumi and there are abrasions. (Hitoshi Kobayashi)
Maintenance information: 2022.4.3 operation confirmed
Accessories: None
Main Specifications: Crossover Frequency: 12K/16K/20kHz (-12dB/Oct) Switchable Impedance 8Ω Maximum Input 100W W150 × H105 × D85mm 1.0 kg
* Currently sold items. It is cheap because it is in poor condition. Network for super tweeters. It is a high-pass filter developed for PIONEER's PT-R9. It is a network that goes well with the company's ribbon tweeters and makes high frequencies sound refreshingly. There is stickiness of paint deterioration due to aging, and there is a feeling of use. (Yoichi Murakoshi)
Maintenance information: 2022.3.26 sound output confirmed
Accessories: None
Main specifications: high-pass filter impedance 8Ω cut-off frequency 20kHz attenuation 12dB dimensions W127 × H30 × D65mm weight 145g
It's been maintained! The network used for A5. The sound loss is very good, probably because of the crossover 500Hz large capacitor. There is an overhang and the goodness of sharpness is impeccable! It is a very attractive sound not only for Altec users but also for 500Hz networks. * The age is slightly different on the left and right. Appearance has aging small scratches, dullness, etc. (Satoshi Yonejima)
Maintenance Information: 2022.4.1 Maintained (Removed wire scraps soldered to terminals. Re-fix the unfixation of the large coil inside the housing with silicone sealant, and take measures to hold the sponge with scissors and the top plate. ATT (threaded) contact cleaning, rust removal of screws and bridge plates Frequency characteristic measurement check (~ 42 kHz) was performed and the original capacitor was continued to be used for good results. (Check input/output waveform and balance, check sound output)
Accessories: No accessories
Main specifications: Crossover 500Hz HF gain 4-stage switching (short plate) W203 × H270 × D115 mm
It is a 2-way dividing network specially developed to fit each unit in the Coral Pro Series. The sound quality is clear and sharp (Fujisawa Yukishi)
Maintenance information: 2022.3.23 operation confirmed
Accessories: None
Main Specifications: Dividing Network Crossover 7000Hz Impedance 8Ω Maximum Input 200W W310 × H90 × D220mm 2.8kg
Maintained! A crossover 1500Hz network that is perfect for combining LE14A with 175DLH and LE175. How about a middle class 2WAY system etc. (Sasaki Shota)
Maintenance information: 2020.12.5 Maintained (terminal rust removal pickling, cleaning, insulation bushing & mounting screw replacement. ATT new replacement Frequency characteristic measurement check (~ approx. 42 kHz) is performed and the original capacitor is continued to be used for good results. (I/O waveform and balance check, sound output check)
Accessories: None
Main specifications: Crossover frequency 1500Hz level control volume type input impedance 8Ω
It has been maintained in 2020. It is a network used for A5, A7, etc. Unlike channel dividers, it's easy to handle and sounds familiar to your ears (Yoichi Murakoshi)
Maintenance Information: 2020.9.19 Maintained (Replace input terminals with banana-compatible general-purpose products. Output terminal solder removed. Capacitor fixing and wiring insulation. ATT disassembly contact cleaning, contact grease application. Frequency characteristic measurement check (~ 42 kHz) was performed and the original capacitor was continued to be used for good results. (Check input/output waveform and balance, check sound output)
Accessories: None
Main specifications: Crossover 500Hz 8Ω W123 × H140 × D132mm 1.6kg
A model made as a network for the company Tweeter 1710 and speakers SP-8716. The surroundings are covered with carbon, and the inside uses a super permalloy core. Improvement of lingering and natural sound reproduction can be obtained by improving network filter characteristics and auditory distortion. The appearance has abrasions and scratches. (Eiji Tamura)
Maintenance information: 2022.1.21 operation confirmed (ATT is also not available)
Accessories: No accessories
Main specifications: 8Ω/16Ω switching SW ATT5 stage change switching W270 ✕ H110 ✕ D385mm Weight 12.2kg
The network used in the SANSUI SP-70. How is it self-acting or stocking? The appearance may be dull or dirty. (Eiji Tamura)
Maintenance information: 2022.1.19 sound output confirmed
Accessories: none
Key Specifications: Attenuation 12dB/Oct Crossover Frequency 6000Hz 8Ω 97dB
Disposal prices have been reduced. Member discounts do not apply. 2021/12/20 Sales price 15,000 yen ※1 bottle only. There is a gap in the attenuator, but it will be handed over as is. University network with attenuator. Crossover is compatible from 1,250 Hz to 10,000 Hz depending on the impedance and connection method to the side terminal (Murakoshi Yoichi)
Maintenance information: 2021.11.28 sound output confirmation (with gibble)
Accessories: catalog copy
*Only one unit. Koizumi wireless 2-way network. The cross will be 3,000 Hz. It is recommended for those who want to create mono by making their own. The appearance is dull. (Eiji Tamura)
Maintenance information: 2021.11.18 sound sound confirmed
Accessories: No accessories
Main specifications: Impedance 8 Ω cross 3,000 Hz
We have drastically reduced prices! 2021/10/24 sales price 148,000 yen 2015 maintenance product. It is a large input type 2-way network used for ALTEC A5 etc. The high frequency attenuation attenuator can narrow the driver to -16dB by 10-stage switching of -2dB steps. Even if you narrow down to -4dB, such as the old network N-500-F, it is a must-see for those who are noisy at high frequencies. I think that the balance is good around -10dB (Yasuto Koshihama)
Maintenance information: 2015.11.2 Maintained (terminal cleaning. ATT (SW) cleaning Swap some resistors and adjust the deviation of the left and right sides. The capacitor is restored to the original capacitor that remained inside by removing the film-con that had been replaced. Input/output waveform and balance check, sound output check. Check the frequency characteristics measurement (~42 kHz) and confirm that the capacitor can be used as it is)
Accessories: None
Main specifications: 2 way network 2dB step/10 stage attenuator Allowable input 250W crossover 500 Hz impedance 16Ω Actual size W283 × H305 × D138mm Approx. 8kg
Rare It is a network that was sold for the high range of GAUSS CP-3820. It is possible to switch between 13kHz and 8kHz with internal wiring. (Yukishi Fujisawa)
Maintenance information: 2021.10.13 operation confirmed
Accessories: instruction manual, original box, 4 coils
Main specifications: crossover 13000Hz (8000Hz) 8Ω
TUNE BOX with module card for NINKA. If you have NINKA, please take this opportunity to step up to the active system. Since it is a NINKA specification, it is necessary to change the internal card when using other speakers. The appearance has a line wound on the top plate, there is a seal mark on the back (Shota Sasaki)
Maintenance information: 2021.9.24 operation confirmed
Accessories: power cable, connection cable
Main specifications: 2way specifications Size W320 × H75 × D265mm Weight 4 kg
Professional cross 800 Hz network. It's an exhilarating sound with a great vantage point. How about making a 2-way horn system with a 16 ohm unit? There are stains and rust on the main body. Serial 7293/8121 (Satoshi Yonejima)
Maintenance Information: 2021.6.28 Maintained (Terminal Rust Removal (Acid Wash) Treatment, Cleaning, Insulating Bushing & Mounting Screw Replacement. The adhesive fixing of the coils inside the housing is reinforced with silicon. ATT (SW type) contact cleaning. A frequency characteristic measurement check (~ approx. 42 kHz) was performed, and the original capacitor was continuously used for good results. Input/output waveform and balance check, sound output check)
Accessories: no accessories
Main specifications: crossover frequency 800 Hz impedance 12 to 16 ohms W122 x H154 x D132 mm 1.9 kg/1 unit
※ Current sale item. Network for super tooater. It is a high-pass filter developed for PIONEER's PT-R9. It is a network that goes well with the company's Ribbon Teater and makes high frequencies sound refreshing. There is a feeling of use because of the stabiness of paint deterioration due to aging. (Yoichi Murakoshi)
Maintenance information: 2021.6.26 sound confirmed
Accessories: none
Main specifications: High pass filter impedance 8Ω cutoff frequency 20kHz attenuation 12dB dimension W127 × H30 × D65 mm Weight 145g
* Currently sold products. An ARACRAFT network that custom JBL 3115. Detailed specs are unknown, but the crossover seems to be 500Hz. (Itsuro Mizushima)
Maintenance Information: 2021.5.17 Operation confirmed
Accessories: None
Main specifications: W120 × H155 × D183 mm 3.8 kg
Crossover frequency 7 kHz network. Ideal for MID/HIGH for 3WAY systems using 2440. There are small wounds, Kusumi (Tetsuji Oikawa)
Maintenance Information: 2019.2.12 Maintenanced (terminal rust cleaning, insulation bushing & mounting screw replacement. ATT replacement. Frequency-characteristic measurement check (~42kHz) is performed and the original capacitor is continuously used for good results. (Input and output waveform, balance check, sound output check)
Accessories: None
Main Specifications: Crossover Frequency 7kHz Allowable Input (Continuous Program) 50W Impedance Bass: 12 to 16Ω Treble Attenation/Variable Volume Mounting Hole W140 × 108mm 0.7kg
※Only 1 Rare signature type. It has been maintained in 2019. Crossover 1200Hz 38cm woofer plus 1 inch driver is the perfect network We have minimal maintenance such as attenuator cleaning to make use of the original (Tetsuji Oikawa)
Maintenance Information: 2019.4.1 Maintenance (rust removal, cleaning and tightening of terminals and mounting screws. SW ATT contact cleaning Frequency-characteristic measurement check is performed and the original capacitor is continuously used for good results. (Input and output waveform, balance check, sound output check)
Accessories: None
Main Specifications: Crossover 1200Hz 16Ω 3-Position Switch Level Control
Crossover 7000Hz, perfect network for tweeters like 075 and 077! Please enjoy using it according to your application such as 2way or 3way. Appearance, there is a feeling of use and small scratches. Serial 32890/32962 (Kimiya Miura)
Maintenance information: 2019.11.23 Maintenance (terminal rust removal cleaning insulation bushing & mounting screw replacement ATT new replacement frequency characteristics measurement check (~ about 42kHz) (Continued use of original capacitor for good)
Accessories: No accessories
Main Specifications: Variable Level Control Crossover Frequency 7KHz 8Ω Weight 900g
The disposal price has been reduced! (Member discounts are not applicable) 2021/2/6 selling price 10,000 yen* There is no problem with the operation, but since it is cheap, it will be handed over as it is. A 3WAY crossover network made exclusively for the company's horn squawker unit MIDAX950. There are scratches and threads on the appearance. (Kimiya Miura)
Maintenance information: 2021.2.6 operation confirmed
Accessories: No accessories
Main specifications: 15Ω crossover frequency 950 Hz/5,000 Hz W167 × H105 × D105 mm 1.5kg/piece
We cut the price (2021.1.14 sales price 59,800 yen) Vitavox 500Hz network. Perhaps it is the same specification as the 500Hz network CN458 adopted in the late CN191. It is rare because it rarely comes out on its own. There is a feeling of use such as dirt. (Takasaki Takasaki)
Maintenance Information: 2021.1.14 sound out confirmed
Accessories: wiring diagram
Main specifications: Approx. W237 (base 277) x H63 (excluding protrusions) x D170 (base 182) mm approx. 2.6 kg/pcs
MAINTENANCE! Crossover 1,500Hz network ideal for middle-class 2-way systems. A must-have item for combination with LE14A and 175DLH or LE175 Extrusion of low frequencies and connections with high frequencies are also smooth. The appearance includes Kusumi and Rubbed. Serial 26982/29191 (MIURA Kimiya)
Maintenance Information: 2020.12.8 Maintained (Terminal rust removal pickling, cleaning, insulation bushing & mounting screws replacement. ATT Brand New Frequency characteristics measurement check (~42 kHz) and continue to use the original capacitor for good results. Input and output waveform and balance check, sound output check)
Accessories: no accessories
Main specifications: crossover frequency 1500Hz level control volume input impedance 8Ω