🎧
GREQ's Headphone Measurements
  • GREQ Reviews - Headphone Frequency Response Graph Database
  • 📅Latest updates
  • 🦮Helpful Guides...
    • 🔬Sony MDR-SA3000 Driver Repair
    • 🪡Sennheiser Momentum Ear Pad Repair
    • 🎧Ear Pad Rolling For Noobs
    • 🤠 Headphone Sins - Hats
    • 🔥Burning-in Headphones
    • ❓Headphone Cable Guide
  • 🗃️ Ear Pad Graphs
    • YAXI stPad2-LR
  • 🗃️ IEMs
    • A9 Pro
    • Apple Airpods Pro Gen 3
    • Atomic Floyd HiDefJax
    • Audio Technica AT-CKS50
    • Beyerdynamic DX 160 ie
    • 🗃️ BLON
      • BLON BL-03
      • BLON BL-03II
    • CCZ Harmony BC01 Pro
    • Condor Airline IEM
    • Elecom HS-ARMA30E
    • Final Audio E4000
    • HTC Max 300
    • 🗃️ JVC
      • JVC Gumy Plus HA-FX5
      • JVC HA-FW1800
      • DROP + JVC HA-FWX1
      • JVC HA-FX45S
      • HA-FXZ200
    • KBEAR KB02
    • 🗃️ Kiwi Ears
      • Kiwi Ears Aether
      • Kiwi Ears Airoso
      • Kiwi Ears KE4
      • Kiwi Ears Orchestra Lite
      • Kiwi Ears Quintet
    • 🗃️ KZ
      • KZ ATE
      • KZ HBB PR2
      • KZ ZS10
        • KZ ZS10 + Jaybird foam tips
    • 🗃️ Lethal Earsubs
      • Lethal Earsubs 5556
      • Lethal Earsubs 5557
    • Metal Bullet Super Bass
    • Monster ibeats
    • Moondrop Chu II
    • no name IEM
    • One More Triple Driver
    • Philips SHE9900
    • QKZ AK6
    • 🗃️ Rose Technics
      • Rose Technics CERAMICS X
      • Rose Technics EARFREE-i3
      • Rose Technics EARFREE-i5
      • Rose Technics QT-X
      • Rose Technics Star City 5 Pro
    • Samsung AKG (fake product)
    • 🗃️ Sennheiser
      • Sennheiser CX300 II
      • Sennheiser CX880i
      • Sennheiser CX890i
      • Sennheiser Momentum M2 IEi
    • 🗃️ Shure
      • Shure E2
      • Shure SE-110
      • Shure SE-215
    • 🗃️ Simgot
      • Simgot EA500LM
      • Simgot EA1000
      • Simgot EM6L
      • Simgot EW300
      • Simgot Supermix 4
    • 🗃️ Sony
      • Sony IER-M7
      • Sony MDR-EX90LP + Vido drivers
      • Sony MDR-XB55
    • Thai Airways - Free Economy Class IEM - 2023
    • Thai Airways - Free Economy Class IEM - 2024
    • TRUTHEAR x Crinacle ZERO:RED
    • Yamaha EPH-30BL
  • 🗃️ Flathead Earbuds
    • - Earbud Graphs with MODIFIED miniDSP EARS
      • AIWA HP-V22
      • Aiwa Sound GT (HP-V33)
      • Aiwa HP-V35
      • AIWA HP-V151
      • AKG K315
      • Audio Technica ATH-EC707
      • Audio Technica ATH-EM707
      • JVC HA-F105
      • The Kube Black
      • The Kube Orange
      • Sabia Elibuds V6
      • Sabia Elibuds V6 - Mod Brass Shells
      • Sony MDR-E212
      • Sony MDR-E272
      • Sony MDR-E414
      • Sony MDR-E557
      • Sony MDR-E565
      • Sony MDR-E868
      • Sony MDR-E888
      • Trio KH-0.5
      • Vido (blue)
    • - (LEGACY GRAPHS - NOT COUNTED) Earbud Graphs with miniDSP EARS
      • Aiwa HP-V22
      • Aiwa HP-V151
      • Aiwa HP-V551
      • ANN200
      • Apple Earbuds (v2)
      • Apple Earbuds (v2) + foam
      • Cubu
      • JVC HA-F105
      • The Kube
      • The Kube eK2
      • LG SGEY0003721 + Vido drivers
      • 'Mono Plug'
      • Nokia HS47 + Vido drivers
      • Panasonic RP-HV377-S + Vido driver
      • Sennheiser MX365
      • Sennheiser MX365 + Vido drivers
      • Sabia V6
      • Sabia V6 Rose
      • Sabia V6 Silver
      • Samlike Retro
      • Samlike Retro + Vido drivers
      • Vido
      • Vido - Modified
  • Aiwa HP-X1000 + Shure SRH840 Ear pad
    • Aiwa HP-X1000 - minus Mica-composite domes 🛠️
  • Akai ASE-65
  • 🗃️ AKG
    • AKG K1
    • AKG K4
    • AKG K140
    • AKG K141 (+over-ear pads)
    • AKG K141 Monitor
    • AKG K240 DF
    • AKG K271 MKII
    • AKG K340
      • AKG K340 + SRH840 Pads
      • AKG K340 + Kennerton Odin Pads
    • AKG K450
    • AKG K501
      • AKG K501 - Foam Mod
      • AKG K501 - Stock vs. Foam Mod
    • AKG K518LE
    • AKG K551
    • AKG K551 + foam spacer
      • AKG K551 + Ori pads
    • AKG K612 Pro
    • AKG K1000
    • AKG Y50
  • Alpha Electronics
  • Altiat Cal.1H - Velour Pads
    • Cal.1H - Tuning Puck Removed
    • Cal.1H + Geekria Comfort Mesh Pads
  • Audeze Maxwell
    • Audeze Maxwell + Wicked Cushions Freeze Cooling Gel Ear Pads
  • 🗃️ AUDIO TECHNICA
    • ATH-A10 Anniversary
    • ATH-AD2000
      • ATH-AD2000 + HPA2000Z Pads
      • ATH-AD2000 + Aftermarket Velour Pads
    • ATH-M20
    • ATH-909
    • ATH-W10VTG Vintage
    • Denchoh DH-1
    • Magic Listening Hyper Training Phone for the DC Sound
  • Axent Wear Cat Ear Headphones 🐱 - Modified
  • Bandridge Double Drive EH910DD
    • Bandridge Double Drive EH910DD new caps
  • 🗃️ BEYERDYNAMIC
    • DT330 MKII
      • DT330 'MK3' (Modified🛠️)
        • DT330 MKII + DT770 Pads
    • DT48 5 ohm
    • DT48 ORTF 25 ohm
    • DT480 Sound Juwel - Original Pads
      • DT480 + EDT 100 S Pads
      • DT480 + EDT 100 T Pads
    • DT550 (Gold)
      • DT550 (Gold) - With new foam, minus original felt
    • DT550 (Silver) + Denon D2/5/7K Pads
    • DT770 32 Ohm
    • DT770 Pro 80 ohm
    • DT770 600 Ohm
    • DT790 + Vented like DT770
      • DT790 + DT770 250 ohm drivers + extra Thermolam damping layer
      • DT790 + new velours
      • DT790 + ATH-R70x Pads
    • DT860
    • DT880M + EF880M
      • DT880M
      • DT880M with vs. without EF880M
      • DT880M + EF880M + New pads
    • DT990 - Vintage 600 ohm (1988)
      • DT990 (1988) + HifimanVelour Pads
      • DT990 (1988) + SHP2000 Pads
    • MMX300
    • T51p
  • 🗃️ BOSE
    • QC3 (Passive Mod)
    • QC15
    • QC25 - NC On
      • QC25 - NC Off
  • Combatwing M180 PRO
  • Creative Auvana Live!
  • Denon AH-D950
    • Denon AH-D950 + MDR-Z1000 Pads
  • Dero Modell D-500
  • Dynatron SP6 - OEM of Peerless PMB-6 + AKG K619 ear pads
  • Echo TDS-16
  • 🗃️ Elecom
    • EHP-VROS310 (VR)
    • HS-ARMA100BK
  • 🗃️ Elega
    • DR-59C
    • FR-901C
  • Eurochannels EH-520
  • Exibel MHX70
  • Fosi Audio i5
  • 🗃️ FOSTEX
    • T10
    • T20RP + aftermarket pads
    • T40RP mkII - Modified
    • T50RPmk4G
    • TH808
      • TH808 without baffle foam
    • TH900mk2
  • Grado
    • SR80 - Modified
    • SR80 - Modified + aftermarket G-Cush Pads
  • Grundig GDHS 224
  • 🗃️ HIFIMAN
    • DEVA Pro
    • HE-400
      • HE-400 + Denon Pads + Thermolam disk (ear-side)
      • HE-400 + Denon D2/5/7K Pads
    • HE-500
      • HE-500 + Wang Yifei Hifiman Velour Pads
      • HE-500 + Aftermarket HE-560 Pads
      • HE-500 + Pali Pads
      • HE-500 + Modified AKG K551 pads
      • HE-500 + DIY Ear Pads
      • HE-500 + 115mm Pads + Mods
      • HE-500 + Aftermarket HE-500 pads
      • Hifiman HE-500 + Focus Pads
    • HE-6
      • HE-6 + Pali Pads
      • HE-6 + Modified AKG K551 Pads
      • HE-6 + Aftermarket HE-560 Pads
  • HORNYPHON 6320 🔥🌶️🥵
  • Hosiden DH-450-S
  • HyperX Cloud 2
  • Izumi CIS-330
  • Jabra Evolve 40
  • Jamo (Fostex T30 variant) + Sharkoon Rush Core pads
    • Jamo (Fostex T30 variant) + aftermarket ATH-M50 pads
  • 🗃️ JVC
    • HA-SR85S Ésnsy + DIY pleather pads + earside foam layer
      • HA-SR85S Ésnsy + DIY pleather pads
    • HA-D700 + MDR Z1000 pads
    • HA-D810 + Aftermarket SRH840 pads
    • HA-D990 + Aftermarket SHR840 pads and new earside foam
    • HA-D1000
    • HA-DX3
      • HA-DX3 - Driver 'magnet' damping removed
    • HA-DX1000
    • HA-M1000 + Aftermarket SRH-840 Pads
    • HA-MR77X
    • HA-MX10-B + Aftermarket MDR-Z1000 Pads
    • HA-MX100-Z
      • JVC HA-MX100-Z + Edifier W820BT Pads
      • JVC HA-MX100-Z + MDR-Z1000 Pads
      • JVC HA-MX100-Z - Z1000 Pad/Grey VS. W820BT Pad/Green
    • HA-RX700 (one side faulty)
      • HA-RX700 + Peerless HPD-50N25PR00-32 Paper dome driver
    • HA-S770-W
      • HA-S770-W (copy 2)
      • HA-S770-W (copy 2) Modified
    • HA-SD7
    • HA-SW01
      • HA-SW01 + Brainwavs Angled Pleather pads
      • JVC HA-SW01 + Brainwavz Hybrid aftermarket pads
      • JVC HA-SW01 + Leather MDR-V6/MDR-CD990ST Pads
      • JVC HA-SW01 + SRH840 pads
      • JVC HA-SW01 + Wewom pads
      • JVC HA-SW01 + ebay SW02 Pads
      • JVC HA-SW01 + YAXI stPad2-LR
      • JVC HA-SW01 + YDYBZB pads
    • HA-SZ2000 + generic aftermarket pads
      • HA-SZ2000 - Z Series vs. Live Beat + Leather VB630 Pads
      • HA-SZ2000 + generic aftermarket pads + EQ Profile
      • HA-SZ2000 + Aftermarket Leather HD630VB Pads
      • HA-SZ2000 + Aftermarket Leather HD630VB Pads + EQ
    • HP-660
    • Victor HP-D900 + Aftermarket RS195 Pleather Pads
      • Victor HP-D900 + Aftermarket RS195 Leather Pads
      • Victor HP-D900 + Aftermarket SRH840 Pads
    • HP-1000
    • HP-1100
    • STH10-E
  • Kenwood HS-5
  • 🗃️ Kiwi Ears
    • Atheia
    • Division
    • Ellipse
  • 🗃️ KOSS
    • HV/99 (Interfunk)
    • HV/X
    • K/6X Plus + On Ear Pads
      • K/6X Plus + Aftermarket MDR-1A Pads
    • Porta Pro
    • Pro/450
    • Pro4/AA
      • Koss Pro4/AA + pressure applied
      • Pro4/AA + Fostex T50RPmkII Pads
    • Tech/2
  • Kyoto H233
  • Lasmex H120
    • Lasmex H120 + Bose QC15 Drivers
    • Lasmex H120 + Damping Mods
    • Lasmex H120 - Driver Mod
  • Lazerbuilt Minions
  • 🗃️ LOGITECH
    • G432
    • G435
  • 🗃️ MAGNAT
    • Magnat LZR-765
    • Magnat LZR-980
  • MB Electronic K600
  • Mirph Designs MIRPH-1
  • Monacor CD Laser Stereo-Kopfhoerer MD-4000 Best. Nr. 22.0080
    • Monacor CD Laser Stereo-Kopfhoerer MD-4000 Best. Nr. 22.0080 + Velour Pad
  • 🗃️ NAD
    • Model 16
    • RP18
      • RP18 'Pro Mk.6' Mod
        • NAD RP18 Mylar Mod Mk.V
          • NAD RP18 - Kapton - Mods + Brainwavz angled pads
          • NAD RP18 - Mk.III - Mylar + Ori pads
          • NAD RP18 - Mylar - Mk.IV
  • 🗃️ NAPOLEX
    • TPH-100
    • X-23
  • National EAH-88 (max tone)
    • National EAH-88 (min tone)
  • Onkyo ES-HF300
  • Oppo PM1 - Velour Pads
    • Oppo PM1 - Fenestrated Leather Pads
    • Velour VS Leather
  • 🗃️ PANASONIC
    • RP-HT360
    • HD-10 - Modified
    • RP-HX650-K
  • Patriot Viper V360
  • 🗃️ PEERLESS
    • PMB-45
      • Peerless PMB-45 + ATH-X70 Pads
      • Peerless PMB-45 + Denon D2/5/7K Pads
    • PMB 85 Double Action
    • PMB 100
  • 🗃️ PHILIPS
    • HX-5
    • N 6301
      • N 6301 + Aftermarket Pads
    • SBC 3172 'Executive'
    • SBC 484
    • SBC HP890
      • SBC HP890 + Blon S7P Drivers
      • SBC HP890 + Elecom VR Drivers
    • SHP2500
    • SHP8500
  • 🗃️ PIONEER
    • SE-2
    • SE-4
    • SE-7 + New Pleather Pads
      • SE-7 + New Velour Pads
    • SE-11 Eleven 300 ohm variant
      • SE-11 Eleven + New Velour Pads - 300 Ohm variant
      • SE-11 eleven - Over Ear Mod + HyperX Cloud Velour Pads
    • SE-15 + New pads
      • SE-15 + Turtle Beach PX21 Pads
    • SE-505
    • SE-550
    • SE-700
      • SE-700 + Brainwavs Angled Leather Pads
      • SE-700 + New Pleather Pads
    • SE-900D
      • SE-900D - Mod
    • SE-A8
    • SE-A80
    • SE-M750
    • SE-M870 + Z1000 Pads
      • SE-M870 + SW02 Pads
  • Qpad QH-85
  • 🗃️ RAZER
    • BlackShark V2 X
    • Kraken V3 X
  • Revox Synergy
    • Revox Synergy + SHP2000 Pads
  • Rockjaw Acero - Mod 2
    • Rockjaw Acero - Mod
  • Rose Technics Distant Mountain
  • Ross RE-278
  • Sansui SS-10
  • Sanyo PH300
  • Satolex Plum DH297-A1DR
    • Satolex Plum DH297-A1DR + Mod
  • 🗃️ SENNHEISER
    • HD 25-1 II
    • HD25 Aluminium
      • HD25 Aluminium + Aftermarket Pads
    • HD205
    • HD222
    • HD224X
      • HD224X + DIY foam
    • HD230 + Thermolam damping
      • HD230 + Superlux pads/Thermolam
    • HD250 Linear
      • HD250 Linear + Aftermarket Pads
    • HD250 Linear II (aftermarket pads)
    • HD280 Pro
      • HD280 Pro + Aftermarket Pads
    • HD300
    • HD320 Expression Line
    • HD340 Expression Line
    • HD414
    • HD425 + Hifiman Pleather Pad
    • HD450II
    • HD451
    • HD500
    • HD540 Reference + late version velour pads
      • HD540 + Early Production Pads
    • HD540 reference gold
      • HD540 reference gold + later velour pads
    • HD540 Reference II
      • HD540 Reference II + New aftermarket velour pads
    • HD545 Reference
    • HD545 vs. 580, 600, 650
    • HD555
    • HD560 Ovation + Aftermarket Pads (Hifiman Velour)
      • HD560 Ovation + Aftermarket Pads (Wang Yifei)
    • HD580 Precision
      • HD580 Stock vs. Aftermarket Pads
    • HD590
    • HD600
      • HD600 (old ear pads)
      • HD600 old vs new ear pads
    • HD650
      • HD650 (old pads)
      • HD650 old vs. new pads
    • HD600 vs HD650 - new pads
      • HD600 vs HD650 - old pads
    • HDR175
      • HDR175 + Bass Boost
      • HDR175 + Surround Low
      • HDR175 + Surround High
    • Momentum (original brown)
    • M2 AEBT (wired) + aftermarket leather pads - ANC On
      • M2 AEBT (wired) + aftermarket leather pads - ANC off
      • M2 AEBT - Wired + Foam Spacers Modification
      • M2 AEBT - Wired - NC on
      • M2 AEBT - Wired - NC off
    • PC8
    • PC360 G4ME
    • PMX100
  • Sharkoon Rush
  • Sineaptic SE-1
    • Sineaptic SE-1 - No Pad Mod
    • SE-1 Stock Pads vs. Fenestrated Leather Pads
    • SE-1 Wireless Mode vs. Bad Amp Pairing
  • Skullcandy Aviator
  • Smiggle Block Tunes
  • 🗃️ SONY
    • DR-6M
    • DR-S3 + Aftermarket SRH840 Pads
    • DR-S7
    • DR-S100 武道館 Boodo Khan
    • DR-Z6
    • MDR-1R
    • MDR-102
    • MDR-7506
    • MDR-7510
      • MDR-7510 + Z1000 Pads
    • MDR-CD777
    • MDR-CD780
    • MDR-CD900ST
      • MDR-CD900ST + aftermarket MDR-1A Pads
      • MDR-CD900ST + aftermarket ATH-M50 Pads
      • MDR-CD900ST + aftermarket Z1000 pads
      • MDR-CD900ST + aftermarket leather CD900ST pads
    • MDR-CD999 + old stock pads
      • MDR-CD999 + W820BT Pads
      • MDR-CD999 + Z1000 Pads
      • MDR-CD999 + Aftermarket HA-SW01 Pad
    • MDR-CD1700 (sample 1)
      • MDR-CD1700 (sample 2)
      • MDR-CD1700 (sample 3)
      • MDR-CD1700 (Sample 1) Aftermarket Pads
      • CD1700 Sample Averages Compared
      • MDR-CD1700 + V700 Driver 🛠️
    • MDR-CD2000 (sample 1)
      • MDR-CD2000 (sample 2)
      • MDR-CD2000 New vs Old
      • MDR-CD2000 (sample 1) + Aftermarket Hifiman Velour Pads
    • MDR-M77
    • MDR-SA3000
      • MDR-SA3000 + Peerless HPD-50N25PR00-32 Drivers
    • MDR-V5 - Aftermarket Pads v2
      • MDR-V5 - aftermarket pads v1
    • MDR-V6 + Z1000 Pads
      • MDR-V6 + Z1000 Pads + Comfort foam mod
      • MDR-V6 + Old flakey pads
    • MDR-V7
      • MDR-V7 + Z1000 Pads
    • MDR-V700
      • MDR-V700 + MDR-1A Pads
      • Sony MDR-V700 + HA-MR77X Pads
    • MDR-V900
    • MDR-W10
    • MDR-XB500
    • MDR-XB700 (old pads)
    • MDR-ZX110
    • VIP-1000H
  • Soundcore Q30
  • SoundMAGIC HP100
  • 🗃️ STAX
    • SR-007
    • SR-009
    • SR-5
    • SR-5 Gold BL (sample 1)
      • SR-5 Gold BL - Stock vs. Aftermarket Denon D2/5/7K pads
      • SR-5 Gold BL (sample 2)
    • SR-80 Pro
      • SR-80 Pro (with bass seal)
    • SR Gamma Pro (sample 1)
      • SR Gamma Pro (sample 2)
    • SR Lambda Pro
      • SR Lambda Pro
    • SR-Lambda Signature
    • SR-Lambda Spirit
  • Superex ST-PRO-B
  • 🗃️ TAKSTAR
    • Pro 82
      • Pro 82 - Modified
    • XY-E1
  • Tascam TH-02
  • 🗃️ TECHNICS
    • EAH-320
    • RP-F1 + Asus ROG Delta Fabric Pads
      • RP-F1 + SRH840 Pads
    • RP-F3 + SRH840 Pads
    • RP-F5 + SRH840 Pads
    • Technics RP-FT30 + aftermarket MDR-1A pads
    • RP-HT80 - Modified
  • 🗃️ TELEFUNKEN
    • TH50
    • TH60
  • 🗃️ TOSHIBA
    • HR-811 - Low Gain Mode
      • HR-811 - High Gain Mode
    • HR-X1
      • HR-X1 - Forced bass seal with double pads
  • 🗃️ TRIO/KENWOOD
    • KH-33
    • KH-83
  • Turtle Beach Ear Force P11
  • UHER W775
  • 🗃️ ULTRASONE
    • HFI-450
    • HFI-700 + ATH-M50 Pads
    • HFI-2000 ( +HE500 pads )
      • HFI-2000 (+ Aftermarket HE500 pads)
      • HFI-2000 (+ Aftermarket HE560 Pads)
    • HFI-2200 ULE
    • Zino
  • Universum (SFI)
  • 🗃️ VIVANCO
    • Modell 8350
    • SR80
    • TV76
  • Watson Mod.940
  • Wega DSH500
  • 🗃️ YAMAHA
    • HP-1
    • HP50-A + Mods
    • RH-40M - Modified
      • RH-40M + HA-SW01 'Wewom' Pad
    • YHL-006
    • YH-5M
    • YH-100
Powered by GitBook
On this page

Was this helpful?

  1. 🗃️ STAX

SR Lambda Pro

Powered with harman/kardon PM640 Vxi - High Voltage mode

Last updated 11 months ago

Was this helpful?

Many thanks to for the loan.

Kabeer
Sounds more lush with this amp, but still needs tone control through amp.