取扱説明書 - Stax
Contents
1.2. STAX FAX
3. 1 0 12 ARC Head Spring Head spring inner Channel Indicator Case Holder Main Body Cable Dotted Line Right Channel Solid Line Left Channel How to use The earspeaker cannot be connected directly to a general headphone jack Please prepare an exclu sive driver unit Also please refer to the instruction manual of the product to be connected Turn down the volume of the driver unit and insert the code plug of your earspeaker straight and fully into the socket with its convex mark up
4. 580V 2 ADout electrostatic earspeaker The SR 507 is an electrostatic earspeaker developed by STAX the world s first manufacturer of an electrostatic headphone with the new
5. Precaution for use About PRO bias 580 V DC and NORMAL bias 230 VDC The SR 507 is designed to use the PRO bias 580 V DC Iike other current STAX earspeakers On the other hand old earspeakers like the SR 1 released in 1960 are specified to use the NORMAL bias 230 V DC The bias voltage needed for the earspeaker is distinguishable by the number of pins atthe tip portion plug of the code If the plug has 6 pins the earspeaker is designed for NORMAL bias and if 5 pins it is designed to use PRO bias Since the SR 507 has 5 pins insert its plug into the PRO ONLY connector with 5 holes When the SR 507 plug is inserted into the NORMAL bias connector with 6 holes its volume level gets lower and its sound be comes softer Keep in mind that the earspeaker will be damaged or the output signals of the driver unit will be distorted when the volume is raised too much with NORMAL bias Do not remove screws or do not attempt disassem bly or modification If disassembled or modified the warranty of this product becomes invalid in spite of its warranty term Please contact your dealer or Our Company Service division for repair or
6. EP 507 STAX STAX LIMITED Specifications Type push pull electrostatic oval sound element open air back type enclosure case Frequency response 7 41 000 Hz Electrostatic capacitance 110pF including attached code Impedance 145kO including attached cable at 10kHz Sound pressure sensitivity 101dB input 100Vr m s 1kHz Maximum sound pressure level 118dB 400Hz Bias voltage 580V DC standard Right left channel indication L and R indicated on the arc assembly inside head spring solid line left and dotted Iine right on cable Ear
7. SR 507
8. 2 SRE 750 5m PC OCC SRE 725 2 5m PC OCC 5 EP 507 HPS 2 CPC 1 SRE 750 SRE 725 HPS 2 4 Accessory Two kinds of convenient extended codes are avail able for listening to your earspeaker at a distant place SRE 750 5m wide low capacitance PC OCC SRE 725 2 5m wide low capacitance PC OCC The extended codes are only for 5 pin plugs Since ear pad touches
9. 049 258 2660 FAX 049 258 2659 9 00 12 00 12 45 17 30 le Trouble Shooting Crackly noise heard from your earspeaker may indicate that the film diaphragm touches the fixed electrodes Sometimes the noise goes away after a while so wait and see for some time Caution If the sound element is strongly pushed by hand from the ear pad side onto the dust protection net the internal electrode is transformed and the sound element may be damaged Never push the sound element In case the right and left volume of your earspeaker seems to be imbalanced generally the unbalance of right and left channel level is more perceivable with a headphone than with a loudspeaker the signals in putted into the driver unit may be imbalanced at right and left channels Check the balance adjustment of your driver unit Also if the same channel is still imbalanced after having exchanged the right and left input signal the unbalance seems to be caused by the earspeaker driver unit itself About repair service The repair and inquiry from overseas are not ac cepted Please contact the STAX distributor or dealer in your country Be sure to hold the plug when inserting or pulling out the code
10. 6 RR 7 41 000Hz 110pF 145kO 10kHz 101dB 100Vr m s 1KHz 118dB 400Hz 580V DC L R 6 2 5m 6N 99 9999 OFC 533g 388g
11. SR 507 5 PRO ONLY 5 6 NORMAL
12. the skin directly it is an arti cle of consumption It deteriorates through everyday use and long term preservation Please exchange your ear pads if there are signs of deterioration Product name EP 507 black genuine leather finish While not in use your earspeaker can be hung onto the HPS 2 earspeaker stand and will be kept in good condition without damage for a long period of time Also the CPC 1 protection sack is available to pro tect your earspeaker from external dust CPC 1 Recommended driver unit SACD CD7DVD REC OUT The STAX exclusive driver unit for earspeaker is eduipped with line inputs connecting to a SACD CD DVD player or to the REC OUT terminal of an integrated amplifier Solid state version Class A DC coupling Vacuum tube output version Input terminal X3 RCA 2 XLR 1 SRM 323 series Input terminal RCA SRM 727 series High power Direct Input mode Input terminal RCA orXLR SRM 006t series Hybrid Class A DC coupling Output tubes 6FQ7 6CG7 x 2 SRM 600LIMITED Hybrid Class A DC coupling Output tubes ECC99 x2 SRM 0071t series Hybrid Class A DC coupling Output tubes 6FQ7 6CG7 x 4 e
13. SR 50 SR Lambda series Electrostatic Earspeakers SR 507 User s Manual Thank you very much for purchasing STAX SR 507 earspeaker Prior to use The SR 507 is an electrostatic type earspeaker Please read this user s manual carefully in order to use the unit safely and to bring out its maximum performance for many years of listening pleasure Please be sure to keep this manual along with the warranty card after reading 50
14. est technology taking advantage of the abundant experiences over 50 years or more The earspeaker is the system that uses neither a magnet nor any coil unlike a general headphone but makes sound using the power of static electricity While the direct current voltage of 580V bias voltage is applied to the thin film diaphragm musical signals are provided to the two fixed electrodes sandwiching the ultra thin film The film then is driven back and forth by the generated electrostatic force to make sound in a contactless way Since this sounding principle assures extraordinarily natural and delicate tone even the slightest nuance of music can be reproduce0d For this reason your earspeaker cannot be connected directly to a usual headphone jack Please be sure to use the exclusive amplifier driver unit to drive your earspeaker STAX 1
15. for internal check The earspeaker employs ulra thin plastic flm dia phragm and it operates with static electricity Avoid using It in a high temperature and extremely humid place Especially when your hair has got wet e g after bathing dry it well before using your earspeaker Wet hair may cause failure of your earspDeaker Insert or pull out the cord by holding the plug to avoid adding excessive force to the code The SR 507 employs elastic low capacitance spe cial wide cable so enough care should be taken in handling it When storing your earspeaker do not bend the cable excessively at the plug cable bound ary or at its joint to the earspeaker housing Other wise it may lead to a trouble such as disconnection A sudden shock to the earspeaker through throwing or dropping would give a bad influence on the internal Sounding unit Always handle your earspeaker Care fully Too loud sound is not good for your ear The low distortion of the earspeaker may tempt you to raise volume level but large volume level is detrimental both to your ear and to your earspeaker The earspeaker is designed so that the detail of sound can be heard well even at a moderate volume level Be Sure to avoid listening in a too loud volume level Wipe off the dirt of the ear speaker main part and ear Dads with gauze containing thin soapsuds or neu tral detergent 4
16. pad genuine leather skin touching portion high class artificial leather circumference portion Code parallel 6 strand 2 5m full length low capacity special wide cable 6N 99 99999 OFC with silver plating Weight 533g including attached code 388g without cable Specifications and appearance are Subject to change for improvement How to exchange ear pad First remove the old ear pad Then rub off the dregs of the old double sided tape remaining by using alcohol dipped gauze before you finally stick a new ear Da0 The ear pad distinguishes right from left Once stuck the ear pad is impossible to be re stuck so you have to be careful enough about the direction of the ear pad Please refer to the exchange instruction of the EP 507 ear pad Caution Never use solvents such as benzene or thinner for cleaning They may transform or melt the earspeaker housing 354 0046 7 1 Tel 049 258 2660 Fax 049 258 2659 7 1 Chikumazawa higashi Miyoshi machi Iruma gun Saitama Prefecture Japan 354 0046 Printed in Japan 10 07 1K MP C STAX
17. ward Be sure to hold the plug in a straight line when you insert or pull out the cord Inserting or pulling the plug aslant might damage the socket of your driver unit Please be sure to hold the whole earspeaker with both hands when you wear or detach it The wearing height can be adjusted by moving the slider at right and left side of the head pad The part name of earspeaker ARC assembly the general term of the assembly supporting the right and left earspeaker main part ex cept signal cables Head Pad Slide part Slide Housing Ear Pad PRO 580V DC NORMAL 230V DC SR 507 PRO 580V DC 1960 SR 1 NORMAL 230V DC 6 NORMAL 5 PRO
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