{"data":{"slug":"sony-mdr-7506","type":"headset","brand":"Sony","name":"MDR-7506","aliases":["MDR7506","MDR 7506","Sony MDR-7506 Professional Large Diaphragm Headphone"],"release_date":"1991-01","url":"https://arkivo.dev/headsets/sony-mdr-7506","specs":{"series":null,"model_numbers":["MDR-7506"],"gtins":["027242682252","4901780289486","4901780788729"],"announce_date":null,"status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":["Black"],"manufacturer_url":"https://electronics.sony.com/audio/headphones/all-headphones/p/mdr7506","spec_sheet_url":"https://bpm-media.imgbolt.de/media/pdf/70/d8/a0/EN_Sony_MDR_7506_1.pdf","manual_url":"https://www.sony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdf","eprel_registration_number":null,"warranty_years":1,"segment":"studio","form_factor":"over_ear","back_type":"closed","wearing_style":"headband","foldable":"inward","ear_cups_swivel":true,"rgb_lighting":null,"lighting_zones":null,"driver_type":"dynamic","driver_size_mm":40,"drivers_per_side":1,"driver_diaphragm_material":"PET","driver_magnet":"Neodymium","frequency_response_hz":{"min_hz":10,"max_hz":20000},"frequency_response_wireless_hz":null,"impedance_ohm":63,"sensitivity_db":106,"sensitivity_reference":"per_1mw","thd_pct":null,"max_input_power_mw":1000,"max_sample_rate_khz":null,"max_bit_depth_bits":null,"dac_chip":null,"sound_personalization":null,"onboard_eq":null,"eq_bands":null,"eq_presets":null,"volume_limit_db":null,"virtual_surround":null,"spatial_audio_licence_included":null,"head_tracking":null,"anc":false,"anc_type":null,"anc_mic_count":null,"anc_adaptive":null,"anc_levels":null,"anc_claimed_attenuation_db":null,"transparency_mode":null,"transparency_adjustable":null,"conversation_detection":null,"wind_noise_reduction":null,"measured_frequency_response_notes":"Follows the SoundGuys target curve with an under-emphasis of up to 7 dB between 150 and 400 Hz and about 5 dB too much between 2.5 and 5 kHz. Bass holds up to about 30 Hz. The highs roll off steeply above 10 kHz.","measured_bass_amount_db":-4,"measured_treble_amount_db":5,"measured_target_deviation_db":null,"measured_response_consistency_db":null,"measured_thd_pct":null,"measured_leakage_db_spl":null,"measured_noise_isolation":null,"measured_attenuation_overall_db":null,"measured_attenuation_passive_db":null,"measured_microphone_notes":null,"measured_microphone_lfe_hz":null,"measured_microphone_hfe_hz":null,"measured_microphone_noise_handling_db":null,"measured_latency":null,"measured_latency_bluetooth_ms":null,"measured_latency_2_4ghz_ms":null,"measured_battery_life":null,"measured_battery_life_h":null,"measured_clamping_force_n":null,"measured_weight_g":null,"microphone_type":"none","microphone_element":null,"microphone_pattern":null,"microphone_count":null,"microphone_count_total":null,"microphone_frequency_response_hz":null,"microphone_sensitivity_db":null,"microphone_snr_db":null,"microphone_sample_rate_khz":null,"microphone_noise_reduction":null,"flip_to_mute":null,"mute_button":null,"mute_indicator":null,"sidetone":null,"sidetone_adjustable":null,"mic_windscreen":null,"connection_types":["analog"],"analog_connectors":["3_5mm_trs","6_35mm"],"cable_connector_headset_side":"fixed_cable","cable_length_m":3,"usb_connector":null,"usb_c_audio":null,"passive_wired_listening":true,"wireless_receiver":"none","receiver_connector":null,"wireless_range_m":null,"bluetooth_version":null,"bluetooth_codecs":null,"bluetooth_le_audio":null,"auracast":null,"multipoint":null,"multipoint_device_count":null,"paired_device_memory":null,"simultaneous_2_4ghz_bluetooth":null,"fast_pair":null,"base_station":null,"low_latency_mode":null,"latency_claimed":null,"compatible_platforms":null,"platform_connections":null,"official_license":null,"battery_capacity_mah":null,"swappable_battery":null,"battery_count":null,"battery_life_claimed":null,"battery_life_max_h":null,"battery_life_anc_on_h":null,"battery_life_anc_off_h":null,"charging_port":"none","charge_time_0_100_min":null,"quick_charge_min":null,"quick_charge_playback_h":null,"play_while_charging":null,"charging_dock":null,"control_types":null,"volume_control":"none","game_chat_mix":null,"customizable_controls":null,"wear_detection":null,"voice_assistant":null,"headband_type":"padded","headband_material":"Metal with foam padding","frame_material":"Plastic and metal","ear_cup_material":null,"earpad_material":"Synthetic leather","earpad_replaceable":true,"earpad_attachment":"stretch_over","earpad_inner_dimensions_mm":null,"ear_tip_sizes":null,"ip_rating":null,"user_replaceable_parts":["Ear pads"],"companion_app":null,"companion_app_platforms":null,"firmware_updatable":null,"weight_g":230,"dimensions_mm":null,"hi_res_audio":null,"communication_certifications":null,"fcc_id":null,"other_certifications":null,"in_the_box":["Headphones with fixed coiled cable","Carrying pouch","Screw-on 6.3 mm plug adaptor"],"cables_included":[{"type":"Coiled cable, fixed to the headphones, 1.2 m coiled and extends to 3 m","length_m":3,"count":1}],"carrying_case":"soft"},"variants":[],"sources":[{"url":"https://www.sony.com/electronics/support/res/manuals/5024/2c8cc25cebedab6a5780b45a29a45206/50244181M.pdf","kind":"manual","accessed":"2026-10-21","fields":["manual_url","back_type","driver_type","driver_size_mm","max_input_power_mw","impedance_ohm","sensitivity_db","sensitivity_reference","frequency_response_hz","cable_length_m","weight_g","carrying_case","earpad_replaceable","user_replaceable_parts"],"notes":{"manual_url":"Sony Stereo Headphones Operating Instructions, English, copyright 2020, listed on the Sony USA MDR-7506 support page with release date 2020-08-25. The PDF is two pages and the English specifications are on page 1.","back_type":"Specifications: Type Closed, dynamic.","driver_type":"Specifications: Type Closed, dynamic. Driver unit 40 mm, dome type (CCAW Voice Coil).","driver_size_mm":"Specifications: Driver unit 40 mm, dome type (CCAW Voice Coil). CCAW names the voice coil wire, not the diaphragm.","max_input_power_mw":"Specifications: Power handling capacity 1,000 mW (IEC).","impedance_ohm":"Specifications: Impedance 63 ohm at 1 kHz. This settles the conflict with the Sony Australia page, which says 24 ohm.","sensitivity_db":"Specifications: Sensitivity 106 dB/mW.","sensitivity_reference":"Specifications: Sensitivity 106 dB/mW. The reference is 1 mW. The Sony US page prints the same figure as dB/W/m.","frequency_response_hz":"Specifications: Frequency response 10 Hz - 20,000 Hz. No tolerance is stated.","cable_length_m":"Specifications: Cable approx. 1.2 m coiled cable, approx. 3 m (118.1 in.) when extended, 2-way plug. The stretched length 3 m is stored.","weight_g":"Specifications: Mass approx. 230 g (8.12 oz) without cable. This settles the conflict with the Sony Australia page, which says 260 g.","carrying_case":"Specifications: Included items Stereo Headphones (1), Carrying pouch (1).","earpad_replaceable":"Box on the precautions page: Replacement parts: earpads. Consult an authorized Sony retailer or www.sony.com for information about replacement parts. The same page warns that the earpads may deteriorate with long-term use.","user_replaceable_parts":"Replacement parts: earpads. The iFixit guide shows the ear pads can be swapped by the user."}},{"url":"https://www.sony.com/electronics/support/res/manuals/5013/f03b16204ad97d2737b56e93cff3fbcb/50131712M.pdf","kind":"manufacturer_pdf","accessed":"2026-10-21","fields":["warranty_years"],"notes":{"warranty_years":"Sony Limited Warranty for Video & Audio, U.S. and Canada only, 1 year. It is the warranty document on the Sony USA MDR-7506 support page, release date 2026-06-13. The term runs from the original purchase from Sony or an authorized dealer."}},{"url":"https://electronics.sony.com/audio/headphones/all-headphones/p/mdr7506","kind":"manufacturer_page","accessed":"2026-10-21","fields":["manufacturer_url","form_factor","back_type","anc","driver_type","driver_size_mm","driver_magnet","frequency_response_hz","impedance_ohm","sensitivity_db","max_input_power_mw","cable_length_m","analog_connectors","weight_g","in_the_box","carrying_case"],"notes":{"manufacturer_url":"Sony Electronics US store page for MDR-7506. Price $114.99 on the access date. The specification table sits behind the Specifications and See More toggles.","form_factor":"FAQ: closed-ear, over-ear professional stereo monitor headphones.","back_type":"Specifications: Headphone Type Dynamic, closed.","anc":"FAQ: the MDR-7506 do not feature active noise cancellation.","driver_type":"Specifications: Headphone Type Dynamic, closed.","driver_size_mm":"Specifications: Driver Size 40.0 mm.","driver_magnet":"Specifications: Magnet Type Neodymium.","frequency_response_hz":"Specifications: Frequency Response 10-20kHz. No tolerance is stated.","impedance_ohm":"Specifications: Impedance 63 Ohms. Sony Australia and other Asia-Pacific pages list 24 ohm (1 kHz) instead. The US page agrees with the Sony operating instructions, the 2025 distributor sheet, SoundGuys and Thomann, so 63 ohm is stored.","sensitivity_db":"Specifications: Sensitivity 106 dB/W/m. The Sony operating instructions and Sony Australia print the same figure as 106 dB/mW, which is the unit headphone makers use.","max_input_power_mw":"Specifications: Power Handling 1,000mW.","cable_length_m":"Specifications: Cord Length 9.8 ft, which is 3 m. The 1.2 m coiled length is not stated here.","analog_connectors":"Specifications: Plug Type Gold, Stereo Unimatch plug 1/4\" and 1/8\". The features text names a gold-plated Unimatch 3.5mm/6.3mm adaptor.","weight_g":"Specifications: Weight 8.1 oz, which is 229.6 g. The Sony operating instructions give approx. 230 g (8.12 oz) without cable, so 230 g is stored. Sony Australia lists 260 g without cord, which no other source supports.","in_the_box":"Features: protective carry pouch and a gold-plated Unimatch 3.5mm/6.3mm adaptor.","carrying_case":"Features: protective carry pouch."}},{"url":"https://www.sony.com.au/electronics/headband-headphones/mdr-7506/specifications","kind":"manufacturer_page","accessed":"2026-10-21","fields":["driver_diaphragm_material","sensitivity_reference"],"notes":{"driver_diaphragm_material":"Specifications: DIAPHRAGM PET. No other source states the diaphragm. The same page lists 24 ohm impedance and 260 g weight, which conflict with the Sony operating instructions and the Sony US page, so those two values are not taken from it.","sensitivity_reference":"Specifications: SENSITIVITIES (DB/MW) 106dB/mW, the same reference as the Sony operating instructions."}},{"url":"https://shop.ccisolutions.com/StoreFront/product/sony-mdr-7506","kind":"retailer","accessed":"2026-10-15","fields":["model_numbers","status","back_type","driver_type","driver_size_mm","driver_magnet","frequency_response_hz","impedance_ohm","sensitivity_db","max_input_power_mw","analog_connectors","cable_length_m","weight_g","in_the_box","carrying_case"],"notes":{"model_numbers":"Vendor part MDR7506. The maker writes MDR-7506 on the housing.","status":"Listed for sale on the access date","back_type":"Headphone type: Dynamic, closed","driver_size_mm":"Driver size 40.0 mm","driver_magnet":"Magnet type: Neodymium","frequency_response_hz":"Frequency response 10-20kHz. No tolerance is stated","impedance_ohm":"Impedance 63 Ohms. The maker's 1999 brochure lists 24 ohms for this model, which is not used","sensitivity_db":"Published as 106 dB/W/m. The Sound On Sound review of the same spec sheet says 106 dB/mW, which is the unit headphone makers use","max_input_power_mw":"Power handling 1,000 mW","analog_connectors":"Plug type: gold stereo Unimatch plug, 1/4 inch and 1/8 inch","cable_length_m":"Cord length 9.8 ft, which is 3 m","weight_g":"Weight 8.1 oz, about 230 g. Thomann and SoundGuys give 230 g without the cable","in_the_box":"What's in the box: headphones, soft case and 1/4 inch adapter","carrying_case":"What's in the box: soft case"}},{"url":"https://shop.ccisolutions.com/StoreFront/jsp/pdf/SON-MDR7502_7505_7506.PDF","kind":"manufacturer_pdf","accessed":"2026-10-15","fields":["segment","back_type","driver_type","driver_size_mm","driver_magnet","frequency_response_hz","cable_length_m","foldable"],"notes":{"segment":"Sony Professional Audio brochure A-0775-A, printed 7/99, lists the MDR-7506 under Studio Monitor Headphones","back_type":"Specifications table: Dynamic, closed. Features list Closed-Ear Design","driver_size_mm":"Driver unit size 40 mm","driver_magnet":"Magnet type: Neodymium","frequency_response_hz":"Frequency response 10-20,000 Hz","cable_length_m":"Cord length 9.8 ft. The same table lists impedance 24 ohms, sensitivity 104 dB/mW and weight 7.8 oz for the MDR-7506. These differ from every later Sony-based source and from the Sound On Sound review of 2002, so they are not used","foldable":"Features: folding construction for compact storage. The fold direction is not stated here. Sound On Sound describes it"}},{"url":"https://bpm-media.imgbolt.de/media/pdf/70/d8/a0/EN_Sony_MDR_7506_1.pdf","kind":"manufacturer_pdf","accessed":"2026-10-15","fields":["spec_sheet_url","in_the_box","carrying_case","analog_connectors"],"notes":{"spec_sheet_url":"One-page Sony Professional EU datasheet MDR-7506/1 hosted by a retailer. It has text and a photo but no specification table","in_the_box":"The headphones come with a protective carry pouch and a gold-plated Unimatch 3.5 mm/6.3 mm adaptor","carrying_case":"Protective carry pouch","analog_connectors":"Gold-plated Unimatch 3.5 mm/6.3 mm adaptor"}},{"url":"https://ik.imagekit.io/pimberly/65707b38e31f5a94719d7ba0/33880559/681bc819d136b76df8ff5fc7/product-pdf","kind":"spec_database","accessed":"2026-10-15","fields":["form_factor","back_type","driver_type","driver_size_mm","driver_magnet","frequency_response_hz","impedance_ohm","sensitivity_db","max_input_power_mw","cable_length_m","weight_g","microphone_type","wearing_style","colors","carrying_case","gtins"],"notes":{"form_factor":"Ear coupling: Circumaural","back_type":"Acoustic system: Closed","driver_size_mm":"Driver unit 4 cm","frequency_response_hz":"Headphone frequency 10 - 20000 Hz","impedance_ohm":"Impedance 63 ohm. Distributor product sheet dated 2025-05-07, compiled from manufacturer data","sensitivity_db":"Headphone sensitivity 106 dB. The reference is not stated here","max_input_power_mw":"Maximum input power 1000 mW","cable_length_m":"Cable length 3 m","weight_g":"Weight 230 g","microphone_type":"Microphone type: not available","wearing_style":"Wearing style: head-band","colors":"Product colour: Black","carrying_case":"Carrying case: yes","gtins":"The sheet lists two barcodes, 4901780788729 and 4901780289486. The hinta.fi price comparison and shopro.lt list the same codes for the MDR7506, so both are stored."}},{"url":"https://www.thomann.ie/sony_mdr7506_kopfhoerer.htm","kind":"retailer","accessed":"2026-10-15","fields":["form_factor","back_type","frequency_response_hz","impedance_ohm","driver_size_mm","driver_magnet","max_input_power_mw","weight_g","earpad_material","cable_connector_headset_side","analog_connectors","colors","status"],"notes":{"form_factor":"Over-Ear, circumaural","back_type":"System: Closed Back","frequency_response_hz":"Frequency range 10 - 20 000 Hz","impedance_ohm":"Impedance 63 Ohm","driver_size_mm":"40mm neodymium drivers","driver_magnet":"40mm neodymium drivers","max_input_power_mw":"Power handling capacity of up to 1000mW","weight_g":"Weight without cable 230 g and with cable 298 g. The page also has a separate Weight field of 215 g that is not explained and not used. Thomann lists a 1.2 m spiral cable, which is the coiled length. The maker says it extends to 3 m","earpad_material":"Soft synthetic leather earpads","cable_connector_headset_side":"Replaceable Cable: No","analog_connectors":"3.5 mm jack plug and a screw-mounted 6.3 mm adapter","colors":"Colour: Black","status":"In stock on the access date. The Available since date of November 1999 is when the shop listed it and is not a launch date"}},{"url":"https://www.soundonsound.com/node/4918347","kind":"review_site","accessed":"2026-10-15","fields":["sensitivity_reference","sensitivity_db","impedance_ohm","max_input_power_mw","frequency_response_hz","driver_size_mm","weight_g","foldable","ear_cups_swivel","analog_connectors","cable_connector_headset_side","cable_length_m","headband_type"],"notes":{"sensitivity_reference":"Review published May 2002 quotes the box spec sheet as 106dB/mW sensitivity. Other retailers write the same figure as dB/W/m","sensitivity_db":"106dB/mW sensitivity","impedance_ohm":"Nominal impedance specified as 63 ohm. The review lists the MDR7509 at 24 ohm, so the two models differ","max_input_power_mw":"Maximum power handling of one watt","frequency_response_hz":"Bandwidth given as 10Hz to 20kHz without amplitude limits","driver_size_mm":"Drive units are 40mm in diameter. The review names samarium-cobalt magnets, but Sony's own sheets say neodymium, so the maker value is stored","weight_g":"Quite light at just 230g","foldable":"The earpieces can be pushed up into the space within the arc of the headband for stowage. This is an inward fold","ear_cups_swivel":"Reversible earpieces for single-sided listening","analog_connectors":"3.5 mm jack plugs with a screw-on adaptor for a 6.25 mm socket","cable_connector_headset_side":"The cable enters the left earpiece and a thinner wire runs through the headband to the other earpiece. No detachable connector is described","cable_length_m":"Curly section expands to three metres in length","headband_type":"Well-padded headband with adjustable side extension arms"}},{"url":"https://www.soundguys.com/product/sony-mdr7506/","kind":"spec_database","accessed":"2026-10-15","fields":["release_date","anc","driver_type","driver_size_mm","drivers_per_side","impedance_ohm","weight_g","cable_connector_headset_side","microphone_type","connection_types","passive_wired_listening","wireless_receiver","charging_port","frame_material"],"notes":{"release_date":"Release year 1991. The month is not stated, so January is used","anc":"Noise cancellation type: none","drivers_per_side":"Driver count 1 and driver size 40 mm, read as one driver in each ear cup","weight_g":"Weight 230 g","cable_connector_headset_side":"Detachable cable: No. Cable is 3.5 mm single-ended and coiled","microphone_type":"Microphone: No","connection_types":"Connection type: wired, 3.5 mm","passive_wired_listening":"Battery: No","wireless_receiver":"Wired only","charging_port":"Battery: No","frame_material":"Material chassis: plastic, metal"}},{"url":"https://www.soundguys.com/sony-mdr-7506-review-16336/","kind":"measurement","accessed":"2026-10-15","fields":["release_date","measured_frequency_response_notes","weight_g","cable_connector_headset_side","cable_length_m","frame_material","volume_control","headband_material"],"notes":{"release_date":"The MDR-7506 was released in 1991. Its predecessor is the MDR-V6 from 1985","measured_frequency_response_notes":"SoundGuys lab measurement against its target curve, review updated August 2025. Under-emphasis between 150 and 400 Hz to a maximum of 7 dB, exaggeration of about 5 dB between 2500 and 5000 Hz, no significant bass roll-off past about 30 Hz and a steep roll-off above 10 kHz","weight_g":"The headphones weigh 230 g excluding the cable. The cable is fixed, so the stored value excludes it, as the maker states","cable_connector_headset_side":"The cable is not removable. Replacing it needs a soldering iron","cable_length_m":"The 3 m long coiled cable is nearly as heavy as the headset","frame_material":"Metal on the outer housing around the drivers and an internal metal notched headband, with plastic and vinyl elsewhere","volume_control":"No remote or controls are mentioned and the review photos show a plain coiled cable","headband_material":"Review spec list: internal metal notched headband with foam padding. The cover material is not stated."}},{"url":"https://homestudiobasics.com/sony-mdr-7506-review-2","kind":"review_site","accessed":"2026-10-15","fields":["release_date","earpad_material"],"notes":{"release_date":"First launched in 1991","earpad_material":"Faux leather ear pads that peel and flake over time"}},{"url":"https://www.ifixit.com/Guide/How+to+Replace+Sony+MDR-7506+Ear+Pads/154979","kind":"review_site","accessed":"2026-10-15","fields":["earpad_replaceable","user_replaceable_parts","ear_cups_swivel","earpad_attachment"],"notes":{"earpad_replaceable":"iFixit repair guide for replacing the ear pads: carefully peel the cushions off along the speaker's outer edge","user_replaceable_parts":"The guide covers ear pads only","ear_cups_swivel":"Step 1 rotates the ear cups about 180 degrees from the resting position","earpad_attachment":"Steps 4 and 5: the new cushion flaps go into the crevice and the free lip is pulled over the speaker edges, with some stretch needed. That is a stretch-over fit."}},{"url":"https://www.amazon.com/dp/B000AJIF4E","kind":"retailer","accessed":"2026-10-15","fields":["cable_connector_headset_side","cable_length_m","cables_included","in_the_box","earpad_replaceable","carrying_case","analog_connectors"],"notes":{"cable_connector_headset_side":"Maker's listing images call it a coiled non-detachable cable","cable_length_m":"Listing image: 1.2 m (extendable to 3 m) coiled cable","cables_included":"Listing image What's in the box: 1.2 m (extendable to 3 m) coiled, non-detachable cable","in_the_box":"Listing image What's in the box: headphones, screw-type plug adaptor (6.3 mm), pouch and the coiled cable","earpad_replaceable":"Listing image callout: easy to replace earpads","carrying_case":"Pouch in the box","analog_connectors":"Screw-type plug adaptor (6.3 mm)"}},{"url":"https://www.ebay.de/p/708930917","kind":"retailer","accessed":"2026-10-15","fields":["gtins"],"notes":{"gtins":"Catalogue entry for Sony MDR-7506, MPN MDR7506, UPC 0027242682252. The UPC-A form 027242682252 is stored"}},{"url":"https://www.rtings.com/headphones/reviews/sony/mdr-7506","kind":"measurement","accessed":"2026-10-21","fields":["measured_bass_amount_db","measured_treble_amount_db"],"notes":{"measured_bass_amount_db":"RTINGS public header: Bass Amount Underemphasized (-4 dB). Tested with RTINGS Methodology v2.3, review updated 2023-12-07 and test bench updated 2026-06-23. The deviation is measured against the RTINGS target curve. The detailed charts and the other values are members only.","measured_treble_amount_db":"RTINGS public header: Treble Amount Very Emphasized (5 dB), sound signature Bright. Same method and target curve as the bass amount."}},{"url":"https://hinta.fi/4297181/sony-mdr7506/tuotetiedot?xa=2","kind":"retailer","accessed":"2026-10-21","fields":["gtins"],"notes":{"gtins":"Finnish price comparison lists GTIN/EAN 4901780289486 and 4901780788729 for MDR7506. shopro.lt lists 4901780289486 for Sony MDR-7506 and the 2025 distributor sheet lists both. The two codes carry the Sony 4901780 prefix and pass the EAN check digit. The US UPC 027242682252 stays from eBay."}}],"fields_filled":48,"updated":"2026-10-21"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}