Brand (click for summary) Year (click for summary) Type (click for summary and templates) Optionally limit by features, specs, model numbers, etc. Search HomeHomeSeek Previous Line Next Line Carryover Year List Only Random Program PlayProgram PlayCompareCompare


                                                                                                                                                                                            
Showing Results 1 - 25 of 74Next 25

Sony HCDVA550

    (no description available)
Add to Playlist

Sony STRDE305


Home Receiver - 2ch Stereo - 1996

Related Models
STRDE405 ($250) >>
-- STRD365 (1995) STRDE310 (1997) ++

Add to Playlist
Sony STRDE305
European version included RDS (pictured)Remote [RM‑U264] 100w x2 RMS w/ .10% THD, A/B Speakers Mute, Bass/Treble 5 Inputs inc. Phono & 2 Tape, Headphone Out Digital Tuner w/ 11.2 dBf FM Sens., 50 dB/m AM Sens., 30 Presets, Direct Tuning 1 Switched AC Out, Black Chassis, 430 x 148 x 295mm WHD, 7.0 kg.PRICE WHEN NEW $200 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony STRDE405

    ALT STRD350Z

Home Receiver - 4ch Dolby Pro Logic - 1996

Related Models
<< STRDE305 ($200) STRDE505 ($300) >>
-- STRD565 (1995) STRDE415 (1997) ++

Add to Playlist
Sony STRDE405
Also sold as STRD350Z, which has 60w per channelRemote [RM‑U263] 80w x2 RMS w/ .09% THD, A/B Speakers, 80w x3 Pro Logic/ 40w x2 Surround Mute, Bass/Treble, Test Tone, 3 DSP Soundfields Dolby Pro Logic w/ 3 Stereo 2 Video/ 3 Audio Inputs inc. Phono & 2 Tape, Headphone Out Digital Tuner w/ 11.2 dBf FM Sens., 50 dB/m AM Sens., 30 Presets, Direct Tuning 1 Switched AC Out, Black Chassis, 430 x 148 x 295mm WHD, 6.5 kg. less Stereo power than STRDE305PRICE WHEN NEW $250 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony STRDE505

    ALT STRD450Z

Home Receiver - 4ch Dolby Pro Logic - 1996

Related Models
<< STRDE405 ($250) STRDE605 ($350) >>
-- STRD665 (1995) STRDE515 (1997) ++

Add to Playlist
Sony STRDE505
STRD450Z did not have Sub PreoutRemote [RM‑U263] 100w x2 RMS w/ .09% THD, A/B Speakers, 100w x3 Pro Logic/ 50w x2 Surround Mute, Bass/Treble, Test Tone, 3 DSP Soundfields Dolby Pro Logic w/ 3 Stereo 2 Video/ 3 Audio Inputs inc. Phono & 2 Tape, Sub Preout, Headphone Out Digital Tuner w/ 11.2 dBf FM Sens., 50 dB/m AM Sens., 30 Presets, Direct Tuning 1 Switched AC Out, Black Chassis, 430 x 148 x 295mm WHD, 7.3 kg.PRICE WHEN NEW $300 ┬┬ SOURCES Crutchfield, Instruction Manual
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony STRDE605

    ALT STRD550Z

Home Receiver - 4ch Dolby Pro Logic - 1996

Related Models
<< STRDE505 ($300) STRDE705 ($400) >>
-- STRD865 (1995) STRDE615 (1997) ++

Add to Playlist
Sony STRDE605
Canadian version included Learning Remote [RM-P351]; STRD550Z lacks Sub Preout and only has 6 DSP Soundfields; Australian version only had 1 AC OutRemote [RM‑U262], Sleep Timer 100w x2 RMS w/ .09% THD, A/B Speakers, 100w x3 Pro Logic/ 50w x2 Surround Mute, Bass Boost, Test Tone, 12 DSP Soundfields Dolby Pro Logic w/ 3 Stereo 3 Video/ 4 Audio Inputs inc. Phono & 4 Tape (1 Monitor), Input Naming, Sub Preout, Headphone Out Digital Tuner w/ 11.2 dBf FM Sens., 50 dB/m AM Sens., 30 Presets, Title Entry, Direct Tuning 2 Switched AC Outs, 430 x 157 x 355mm WHD, 9.7 kg.PRICE WHEN NEW $350 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony STRDE705

    ALT STRD650Z

Home Receiver - 4ch Dolby Pro Logic - 1996

Related Models
<< STRDE605 ($350) STRDE805G ($500) >>
-- STRD965 (1995) STRDE715 (1997) ++

Add to Playlist
Sony STRDE705
Australian version only had 1 AC Out; STRD650Z lacks Sub Preout; only US/Canada STRDE705 has System ControlLearning Remote [RM‑P362], Sleep Timer, "A1"/"S" System Control 120w x2 RMS w/ .09% THD, A/B Speakers, 4/8Ω, 120w x3 Pro Logic/ 50w x2 Surround Mute, Bass Boost, Test Tone, 12 DSP Soundfields Dolby Pro Logic w/ 3 Stereo 3 Video/ 4 Audio Inputs inc. Phono & 4 Tape (1 Monitor), Input Naming, Sub Preout, Headphone Out Digital Tuner w/ 11.2 dBf FM Sens., 50 dB/m AM Sens., 30 Presets, Title Entry, Direct Tuning 2 Switched AC Outs, 430 x 157 x 355mm WHD, 10.0 kg.PRICE WHEN NEW $400 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony STRDE805G


Home Receiver - 4ch Dolby Pro Logic - 1996

Related Models
<< STRDE705 ($400)
-- STRG3 (1995) STRDE915 (1997) ++

Add to Playlist
Sony STRDE805G
Singaporean and Malaysian models have 100w per channelLearning One‑Button Remote w/ 2 Macros [RM‑VR1], IR Repeater w/ "StarSight" VCR Compatibility, "VisionTouch" TV GUI, Sleep Timer, "A1" System Control 120w x2 RMS w/ .09% THD, 4/8Ω, 120w x3 Pro Logic/ 50w x2 Surround Mute, Bass/Treble, Test Tone, 12 DSP Soundfields Dolby Pro Logic w/ 3 Stereo 5 Video (1 Front)/ 4 Audio Inputs inc. Phono & 4 Tape (1 Monitor), Input Naming, Sub Preout, Headphone Out Digital Tuner w/ 11.2 dBf FM Sens., 50 dB/m AM Sens., 30 Presets, Title Entry 1 Switched AC Out, 430 x 160 x 365mm WHD, 10.0 kg. lacks Direct Tuning, A/B Speakers, only 1 AC OutPRICE WHEN NEW $500 ┬┬ SOURCES Crutchfield, Instruction Manual
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony CDPXE400


Home CD Player - 1996-00

Related Models
CDPXE500 ($160) >>
-- CDP261 (1995) CDPXE270 (2001) ++

Add to Playlist
Sony CDPXE400
20‑Track Calendar Variable Intro Scan, 24‑Track Programming, Audible Seek Cassette Dub w/ Peak Search & Fader Headphone Out 1‑bit D/A Conv., S/N Ratio: 100 dB, Black Chassis, 430 x 95 x 295mm WHD, 3.0 kg.PRICE WHEN NEW $140 ┬┬ SOURCES Crutchfield, Instruction Manual
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony CDPXE500


Home CD Player - 1996-00

Related Models
<< CDPXE400 ($140)
-- CDP361 (1995) CDPXE370 (2001) ++

Add to Playlist
Sony CDPXE500
Remote [RM‑D420], 20‑Track Calendar Variable Intro Scan, 24‑Track Programming, Audible Seek Cassette Dub w/ Peak Search & Fader Optical Out, Headphone Out 1‑bit D/A Conv., S/N Ratio: 100 dB, Black Chassis, 430 x 95 x 295mm WHD, 3.0 kg.PRICE WHEN NEW $160 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony CDPCE305

    ALT CDPC250Z, CDPC661

Home CD Player - 5-Disc Carousel - 1996

Related Models
CDPCE405 ($200) >>
-- CDPC265 (1995) CDPCE215 (1997) ++

Add to Playlist
Sony CDPCE305
Play Exchange, 20‑Track Calendar Variable Intro Scan, 32‑Track Programming, Direct Track Access, Audible Seek Cassette Dub 1‑bit D/A Conv., S/N Ratio: 102 dB, Black Chassis, 430 x 120 x 385mm WHD, 5.6 kg.PRICE WHEN NEW $180 ┬┬ SOURCES Crutchfield, Instruction Manual
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony CDPCE405

    ALT CDPC350Z

Home CD Player - 5-Disc Carousel - 1996

Related Models
<< CDPCE305 ($180) CDPCE505 ($250) >>
-- CDPC365 (1995) CDPCE415 (1997) ++

Add to Playlist
Sony CDPCE405
Play Exchange, Remote [RM‑DC41], 20‑Track Calendar Variable Intro Scan, 32‑Track Programming, Direct Track Access, Audible Seek Cassette Dub w/ Peak Search & Fader 1‑bit D/A Conv., S/N Ratio: 102 dB, Black Chassis, 430 x 120 x 385mm WHD, 5.6 kg.PRICE WHEN NEW $200 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony CDPCE505

    ALT CDPC450Z

Home CD Player - 5-Disc Carousel - 1996

Related Models
<< CDPCE405 ($200)
CDPCE515 (1997) ++

Add to Playlist
Sony CDPCE505
CDPC450Z lacks System ControlPlay Exchange, Remote [RM‑DC51], 20‑Track Calendar, "A1" System Control Variable Intro Scan, 32‑Track Programming, "Custom File" 172‑Disc Program Delete, 4‑Category Group File, Direct Track Access, Direct Track Access, Audible Seek Cassette Dub w/ Peak Search & Fader Optical Out, Headphone Out 1‑bit D/A Conv., S/N Ratio: 107 dB, Black Chassis, 430 x 120 x 385mm WHD, 5.6 kg.PRICE WHEN NEW $250 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony CDPCX200


Home CD Player - 200-Disc Jukebox - 1996

Related Models
CDPCX250 ($450) >>
-- CDPCX153 (1995) CDPCX205 (1997) ++

Add to Playlist
Sony CDPCX200
Remote w/ Base Pairing [RM‑DX200], Jog Dial, "A1" System Control 32‑Step Programming, 8‑Category Group File, Audible Seek 1‑bit D/A Conv., S/N Ratio: 100 dB, Black Chassis, 430 x 200 x 480mm WHD, 9.0 kg.PRICE WHEN NEW $350 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony CDPCX250


Home CD Player - 200-Disc Jukebox - 1996

Related Models
<< CDPCX200 ($350) CDPCX270 ($800) >>
CDPCX255 (1997) ++

Add to Playlist
Sony CDPCX250
Remote w/ Base Pairing [RM‑DX250], Jog Dial, "A1" System Control, Timer Compatible 3x 32‑Step Programming, "Custom File" 200‑Disc Program Delete, 8‑Category Group File, Audible Seek CD Text/ "Custom File" 200‑Disc Title Entry Optical Out 1‑bit D/A Conv., S/N Ratio: 107 dB, Black Chassis, 430 x 200 x 480mm WHD, 9.0 kg.PRICE WHEN NEW $450 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony CDPCX270


Home CD Player - 200-Disc Jukebox - 1996?

Related Models
<< CDPCX250 ($450) CDPCX90ES ($1,100) >>

Add to Playlist
Sony CDPCX270
Remote w/ Base Pairing [RM‑DX270], TV GUI, Jog Dial, "A1" System Control, PS/2 Keyboard Port, Linkable with Second Jukebox, Timer Compatible 3x 32‑Step Programming w/ Quick Disc Change (using second Jukebox), "Hit List" 50‑Track Permanent File, "Custom File" 200‑Disc Program Delete, 8‑Category Group File, Audible Seek CD Text/ "Custom File" 200‑Disc Title Entry Optical Out 1‑bit D/A Conv., S/N Ratio: 110 dB, 430 x 199 x 477mm WHD, 9.0 kg.PRICE WHEN NEW $800 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony CDPCX90ES


Home CD Player - 200-Disc ES Series - 1996?

Related Models
<< CDPCX270 ($800)
CDPCX88ES (1998) ++

Add to Playlist
Sony CDPCX90ES
Remote w/ Base Pairing [RM‑DX270], TV GUI, Jog Dial, "A1" System Control, PS/2 Keyboard Port, Linkable with Second Jukebox, Timer Compatible 3x 32‑Step Programming w/ Quick Disc Change (using second Jukebox), "Hit List" 50‑Track Permanent File, "Custom File" 200‑Disc Program Delete, 8‑Category Group File, Audible Seek CD Text/ "Custom File" 200‑Disc Title Entry Optical Out 1‑bit D/A Conv., S/N Ratio: 116 dB, 430 x 199 x 477mm WHD, 9.0 kg.PRICE WHEN NEW $1,100 ┬┬ SOURCES Crutchfield, Instruction Manual, remotes.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony TCKE200


Home Cassette Recorder - 1996?

Related Models
TCKE300 >>

Add to Playlist
Sony TCKE200
Full Logic, (Optional) Remote [RM‑J710] Track Search, Digital Counter w/ Zero Stop B NR, C NR, HX Pro, MPX, 31‑Segment Level Meter, Rec Mute Headphone Out 2 Heads, 2 Motors, 0.07% Wow & Flutter, Black Chassis, 430 x 120 x 310mm WHD, 3.5 kg.SOURCES Instruction Manual, hifiengine.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony TCKE300


Home Cassette Recorder - 1996?

Related Models
<< TCKE200 TCKE400S ($200) >>

Add to Playlist
Sony TCKE300
Full Logic, (Optional) Remote [RM‑J710] Track Search, Digital Counter w/ Zero Stop B NR, C NR, Auto Bias, HX Pro, MPX, 31‑Segment Level Meter, Rec Mute Headphone Out 2 Heads, 2 Motors, 0.07% Wow & Flutter, Black Chassis, 430 x 120 x 310mm WHD, 3.5 kg.SOURCES Instruction Manual, hifiengine.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony TCKE400S


Home Cassette Recorder - 1996, 97

Related Models
<< TCKE300 TCKE500S ($300) >>

Add to Playlist
Sony TCKE400S
Full Logic, (Optional) Remote [RM‑J710] Track Search, Digital Counter w/ Zero Stop B NR, C NR, S NR, Auto Bias, HX Pro, MPX, 31‑Segment Level Meter, Rec Mute Headphone Out 2 Heads, 2 Motors, 0.07% Wow & Flutter, Black Chassis, 430 x 120 x 310mm WHD, 3.5 kg.PRICE WHEN NEW $200 ┬┬ SOURCES Crutchfield, Instruction Manual
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony TCKE500S

    ALT TCKA1ESA

Home Cassette Recorder - 1996, 97

Related Models
<< TCKE400S ($200) TCKE600S ($550) >>
-- TCK615S (1994)

Add to Playlist
Sony TCKE500S
Price for TCKA1ESA was $350Full Logic, (Optional) Remote [RM‑J710] Track Search, Digital Counter w/ Zero Stop B NR, C NR, S NR, Auto Bias/ Fine Bias, HX Pro, MPX, 31‑Segment Level Meter, Rec Mute Headphone Out 3 Heads, 2 Motors, 0.055% Wow & Flutter, Black Chassis, 430 x 120 x 310mm WHD, 3.5 kg.PRICE WHEN NEW $300 ┬┬ SOURCES Crutchfield
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony TCKE600S

    ALT TCKA2ES

Home Cassette Recorder - 1996, 97

Related Models
<< TCKE500S ($300) TCKA3ES ($950) >>

Add to Playlist
Sony TCKE600S
Full Logic, (Optional) Remote [RM‑J710] Track Search, Digital Counter w/ Zero Stop B NR, C NR, S NR, Auto Bias/ Fine Bias, HX Pro, MPX, 31‑Segment Level Meter, Rec Mute Headphone Out 3 Heads, 3 Motors, 0.045% Wow & Flutter, Black Chassis, 430 x 120 x 310mm WHD, 3.5 kg.PRICE WHEN NEW $550 ┬┬ SOURCES Crutchfield, Instruction Manual, retrotronics.co.nz
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony TCKA3ES

    ALT TCKA6ES

Home Cassette Recorder - ES Series - 1996, 97

Related Models
<< TCKE600S ($550)

Add to Playlist
Sony TCKA3ES
Remote was included with Canadian version; TCKA6ES has 0.025% Wow & FlutterFull Logic inc. Eject, (Optional) Remote [RM‑J701], Display On/Off (via Remote), Timer Compatible Track Search, Digital Counter w/ Zero Stop B NR, C NR, S NR, Auto Bias/ Fine Bias, HX Pro, MPX, 24‑Segment Level Meter, Rec Mute Headphone Out 3 Heads, 3 Motors, 0.022% Wow & Flutter, 430 x 135 x 360mm WHD, 7.6 kg.PRICE WHEN NEW $950 ┬┬ SOURCES Crutchfield, Instruction Manual
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony TCWE405

    ALT TCWR661, TCWR350Z

Home Cassette Recorder - Dual Well - 1996

Related Models
TCWE505 >>
-- TCWR465 (1995) TCWE425 (1998) ++

Add to Playlist
Sony TCWE405
TCWR661 and TCWR350Z lack HX Pro and Headphone Out, TCWR661 sold with Rack Systems?Full Logic w/ Auto Reverse, (Optional) Remote [RM‑J910] Dual Digital Counters, Relay Play, High Speed Dub B NR, C NR, HX Pro, 14‑Segment Level Meters, Rec Mute, Auto Rec Level, Auto Fader Headphone Out 1/2 Heads, 1/1 Motors, 0.10% Wow & Flutter, Black Chassis, 430 x 123 x 305mm WHD, 3.8 kg.PRICE WHEN NEW $150 ┬┬ SOURCES Crutchfield, Instruction Manual, various eBay listings
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony TCWE505


Home Cassette Recorder - Dual Well - 1996

Related Models
<< TCWE405 ($150) TCWE605S ($200) >>
TCWE525 (1998) ++

Add to Playlist
Sony TCWE505
Full Logic w/ Auto Reverse, (Optional) Remote [RM‑J910], "A1" System Control inc. Auto CD Rec Track Search, 28‑Track Programming (Deck A), Pitch Control, Dual Digital Counters w/ Zero Stop, Relay Play, High Speed Dub B NR, C NR, Auto Bias (Deck B), HX Pro, MPX, 14‑Segment Level Meters, Rec Mute, Auto Rec Level, Auto Fader Headphone Out 1/2 Heads, 2/2 Motors, 0.08% Wow & Flutter, Black Chassis, 430 x 120 x 290mm WHD, 4.2 kg.SOURCES Instruction Manual, hifiengine.com
Link to thisFind on eBay, Amazon, DuckDuckGo

Sony TCWE605S

    ALT TCWR550Z

Home Cassette Recorder - Dual Well - 1996

Related Models
<< TCWE505 TCWE705S >>
-- TCWR665S (1995) TCWE625 (1998) ++

Remove from Playlist
Sony TCWE605S
Full Logic w/ Auto Reverse, (Optional) Remote [RM‑J910], "A1" System Control inc. Auto CD Rec Track Search, 28‑Track Programming (Deck A), Dual Digital Counters w/ Zero Stop, Relay Play, High Speed Dub B NR, C NR, S NR, Auto Bias (Deck B), HX Pro, MPX, 14‑Segment Level Meters, Rec Mute, Auto Rec Level, Auto Fader Headphone Out 1/2 Heads, 2/2 Motors, 0.07% Wow & Flutter, Black Chassis, 430 x 120 x 290mm WHD, 4.2 kg. lacks Pitch ControlPRICE WHEN NEW $200 ┬┬ SOURCES Crutchfield, Instruction Manual
Link to thisFind on eBay, Amazon, DuckDuckGo
Showing Results 1 - 25 of 74Next 25

Terms of Use: This database is provided as is, free of charge, for information purposes only. Nothing is for sale, and this website is not affiliated with any seller. Links to merchant websites are not a guarantee or endorsement of any product or seller you find on the linked page. Advertisements are provided by eBay. I do not have manuals or part information, except where they are posted elsewhere online (in which case I direct you to Google). AVCA information, except for images, resides in the public domain. I try to be accurate with these listings, but cannot guarantee they are 100% correct. Click here for AVCA Homepage

Privacy Policy: EGRABOW.COM does not collect information about you beyond "hits" and "visits" recorded by the web server, however searches on the Audio/Video Component Archive are sent to eBay, which may use cookies or other tracking means for targeted advertising. Click here to read eBay's Privacy Policy.

❯ find the Sony HCDVA550 on eBay❯ find the Sony STRDE305 on eBay
❯ find the Sony STRDE405 on eBay
❯ find the Sony STRDE505 on eBay
❯ find the Sony STRDE605 on eBay
❯ find the Sony STRDE705 on eBay
❯ find the Sony STRDE805G on eBay
❯ find the Sony CDPXE400 on eBay
❯ find the Sony CDPXE500 on eBay
❯ find the Sony CDPCE305 on eBay
❯ find the Sony CDPCE405 on eBay
❯ find the Sony CDPCE505 on eBay
❯ find the Sony CDPCX200 on eBay
❯ find the Sony CDPCX250 on eBay

Recently Added or Updated:Pioneer PDM701 (1992 Home CD Player)
Pioneer PDM551 (1992 Home CD Player)
Pioneer PDM501 (1992 Home CD Player)
Pioneer PDM601 (1992 Home CD Player)
Pioneer PDM801 (1992 Home CD Player)
Pioneer PD7700 (1992 Home CD Player)
Pioneer PD8700 (1992 Home CD Player)
JVC XLV251 (1992 Home CD Player)
JVC XLM407 (1992 Home CD Player)
Sony CDPC525 (1992 Home CD Player)
Sony CDPC625 (1992 Home CD Player)
JVC XLV151 (1992 Home CD Player)
JVC XLZ451 (1992 Home CD Player)
JVC XLM307 (1992 Home CD Player)
Sony CDP297 (1992 Home CD Player)
Sony CDP397 (1992 Home CD Player)
JVC RX905V (1991 Home Receiver)
JVC RX707V (1992 Home Receiver)
JVC RX807V (1992 Home Receiver)
JVC RX507V (1992 Home Receiver)
Pioneer VSX451 (1992 Home Receiver)
JVC RX307 (1992 Home Receiver)
Pioneer VSXD901S (1992 Home Receiver)
JVC RX207 (1992 Home Receiver)
Sony STRAV1070 (1991 Home Receiver)
Sony STRAV970 (1991 Home Receiver)
Pioneer VSX401 (1992 Home Receiver)
Sony STRAV770 (1991 Home Receiver)
Pioneer EQ4500 (1992 Car Equalizer)
Pioneer EQ6500 (1992 Car Equalizer)