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Bose 901 Series III Active Equalizer - RECENTLY SERVICED / FULLY TESTED / DEMO

End: 05.01. 2024 01:38:15 on Friday
  • Condition: Used
  • Price: 159.85 EUR Auktion
  • Status: sold
  • Item number: 126257162725
  • Bids: 1
  • Seller: new_art_repository (258|100.0%)
  • Seller information: non commercial
  • Item location: Warren, New Jersey USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    This auction is for Bose 901 Series III Active Equalizer. It was recently professionally serviced. The copy of the receipt will be included with the purchase.Also, Its fully tested and demo included. Full demo is included here: DEMO: Full Demo CONDITION REPORT: Good used condition - shows some cosmetic wear associated with age including marks, light scratches. This Bose 901 Series III Active Equalizer is fully functional. Please see images / full video demo for more details. The following basic functionality tests were performed: 1.Playback via Bose 901 speakers (bypass and active), 2.Below 40 Contour Control, 3.High-frequency Contour, 4.Mid-Bass Contour, 5.TAPE Monitor Switch. Product Information: 901 Series III active equalizer Input Impedance: 60 k ohms (60 k?) Usable dynamic range: 106 dB @ 35 Hz Noise (A-weighted): 85 dB below 1 volt Distortion: Less than 1% THD at 1 kHz, 1 V input Min Impedance: 5 k ohms (5 k?) Maximum output voltage: 40 volts Maximum gain: 20dB at 16kHz normal dotted ceiling Compensation controls Below 40 Contour Control: Two position, eight-dB decrease at 40 Hz. High-frequency Contour: Continuously adjustable slider with center detent; shelving control with range of ±2.5 dB @ 4 kHz Mid-Bass Contour: Continuously adjustable slider with center detent; +3 dB, -5 dB adjustment over band from 80Hz to 260Hz. TAPE Monitor Switch: Replaces tape monitor switch on receiver or amplifier when equalizeer is connected in tape monitor circuit: Cabinet: walnut wood veneer Dimensions: 11.25W x 2H x 5D Weight: 2 lbs

Bose 901 Series III Active Equalizer - PROF SERVICED / FULLY TESTED / DEMO

End: 28.12. 2023 01:00:01 on Thursday
  • Condition: Used
  • Price: 164.48 EUR Auktion
  • Status: unsold
  • Item number: 126245610820
  • Bids: 0
  • Seller: new_art_repository (258|100.0%)
  • Seller information: non commercial
  • Item location: Warren, New Jersey USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    This auction is for Bose 901 Series III Active Equalizer. It was recently professionally serviced. The copy of the receipt will be included with the purchase.Also, Its fully tested and demo included. Full demo is included here: DEMO: Full Demo CONDITION REPORT: Good used condition - shows some cosmetic wear associated with age including marks, light scratches. This Bose 901 Series III Active Equalizer is fully functional. Please see images / full video demo for more details. The following basic functionality tests were performed: 1.Playback via Bose 901 speakers (bypass and active), 2.Below 40 Contour Control, 3.High-frequency Contour, 4.Mid-Bass Contour, 5.TAPE Monitor Switch. Product Information: 901 Series III active equalizer Input Impedance: 60 k ohms (60 k?) Usable dynamic range: 106 dB @ 35 Hz Noise (A-weighted): 85 dB below 1 volt Distortion: Less than 1% THD at 1 kHz, 1 V input Min Impedance: 5 k ohms (5 k?) Maximum output voltage: 40 volts Maximum gain: 20dB at 16kHz normal dotted ceiling Compensation controls Below 40 Contour Control: Two position, eight-dB decrease at 40 Hz. High-frequency Contour: Continuously adjustable slider with center detent; shelving control with range of ±2.5 dB @ 4 kHz Mid-Bass Contour: Continuously adjustable slider with center detent; +3 dB, -5 dB adjustment over band from 80Hz to 260Hz. TAPE Monitor Switch: Replaces tape monitor switch on receiver or amplifier when equalizeer is connected in tape monitor circuit: Cabinet: walnut wood veneer Dimensions: 11.25W x 2H x 5D Weight: 2 lbs

Bose 901 Series III Active Equalizer

End: 22.12. 2023 12:48:12 on Friday
  • Condition: Used
  • Price: 183.76 EUR Auktion
  • Status: unsold
  • Item number: 186206383960
  • Bids: 0
  • Seller: dr.chicago (577|100.0%)
  • Seller information: non commercial
  • Item location: San Diego, California USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    Fully functional, one non-Bose slider knob (see pics)

Bose 901 Series IV Active Equalizer-works with series iii

End: 20.12. 2023 13:58:45 on Wednesday
  • Condition: Used
  • Price: 170.31 EUR FESTPREIS
  • Status: sold
  • Item number: 134858376487
  • Seller: raymohl61 (359|100.0%)
  • Seller information: non commercial
  • Item location: Trinidad, California USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    Bose 901 Series IV Active Equalizer. Analog equalizer also works with the Bose 901 Series III.

Bose 901 Series III Active Equalizer

End: 12.12. 2023 01:54:41 on Tuesday
  • Condition: Used
  • Price: 184.3 EUR Auktion
  • Status: unsold
  • Item number: 186190810129
  • Bids: 0
  • Seller: dr.chicago (577|100.0%)
  • Seller information: non commercial
  • Item location: San Diego, California USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    Fully functional, one non-Bose slider knob (see pics)

Bose 901 Series III and IV Active Equalizer

End: 01.12. 2023 19:58:04 on Friday
  • Condition: Used
  • Price: 206.74 EUR FESTPREIS
  • Status: unsold
  • Item number: 256323340721
  • Seller: waitaya (2122|100.0%)
  • Seller information: non commercial
  • Item location: Falls Church, Virginia USA
  • Ships to: US
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    Bose 901 active equalizers 100% working condition

BOSE 901 SPEAKERS III With Equalizer LQQK!!!

End: 26.11. 2023 22:50:48 on Sunday
  • Condition: Used
  • Price: 409.89 EUR FESTPREIS
  • Status: sold
  • Item number: 134756905671
  • Seller: stereodr (909|98.4%)
  • Seller information: non commercial
  • Item location: Gold Beach, Oregon USA
  • Ships to: US
  • Shipping: 75,0 EUR
  • on EBAY
  • Description

    Vintage 901 Bose speakers with Equalizer speakers re-foamed and equalizer has been re-cappedReady to go for another 30 yrs Thanks for looking

bose 901 series iii/iv equalizer

End: 04.11. 2023 01:00:40 on Saturday
  • Condition: Used
  • Price: 182.39 EUR FESTPREIS
  • Status: sold
  • Item number: 166393408987
  • Seller: mestarjp (27|100.0%)
  • Seller information: non commercial
  • Item location: The Colony, Texas USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    Used work fine.

BOSE 901 SERIES III 3 Acive Equalizer High Low Frequency for Speakers Used

End: 30.10. 2023 00:02:08 on Monday
  • Condition: Used
  • Price: 72.41 EUR Auktion
  • Status: sold
  • Item number: 305221930693
  • Bids: 2
  • Seller: riz1965 (1051|100.0%)
  • Seller information: non commercial
  • Item location: Oceanside, New York USA
  • Ships to: US
  • Shipping: 14,99 EUR
  • on EBAY
  • Description

    Up for auction is this BOSE 901 SERIES III Acive Equalizer High Low Frequency for Bose 901 series speakers. Cosmetically in fair condition. Shows some signs of age but works properly. Please check pictures for condition. Thanks for looking and good luck.

Vintage Bose 901 Series IV Active Equalizer for Series III and IV Loudspeakers

End: 24.10. 2023 19:54:29 on Tuesday
  • Condition: Used
  • Price: 182.34 EUR FESTPREIS
  • Status: sold
  • Item number: 394942378012
  • Seller: pajatek1 (17234|99.2%)
  • Seller information: non commercial
  • Item location: Crystal Lake, Illinois USA
  • Ships to: US
  • Shipping: 14,95 EUR
  • on EBAY
  • Description

    Vintage Bose 901 Series IV Active Equalizer for Series III and IV LoudspeakersBose 901 Series IV Active EqualizerFor use exclusively with Bose 901 Series III and IV LoudspeakersInput: 110-120V AC 60HzSerial: 268178Cabinet construction: Genuine walnut veneer laminated to particle boardItem is used and tested in excellent working condition. There are very few very small marks to the top and side veneers, and there are no major cracks or gouges. There are a few light scratches in the aluminum top and face. The cord is free of any kinks or cuts. Includes only items pictured. Please view photos for more detail.Thank you 101323NSEJ-F1

Vintage Bose 901 Series III Active Equalizer Tested Excellent Condition

End: 22.10. 2023 13:34:59 on Sunday
  • Condition: Used
  • Price: 143.38 EUR FESTPREIS
  • Status: sold
  • Item number: 175926531100
  • Seller: mjnwine (2590|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Swedesboro, New Jersey USA
  • Ships to: Worldwide
  • Shipping: EUR
  • on EBAY
  • Description

    This is a Bose Series lll Active Equalizer and it is in excellent condition. International buyers, please note:This item ships worldwide. Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to bidding/buying. These charges are normally collected by the delivering freight (shipping) company or when you pick up the item. Do not confuse them for additional shipping charges. US and international government regulations prohibit us from marking items under actual value or as “gifts”. Please be aware that if you return the item for a refund, the customs charges are not refunded to you. Thank you for your attention

Bose 901 Series IV B Active Equalizer In Original Box EXCEEDINGLY RARE!!! III

End: 14.10. 2023 00:15:38 on Saturday
  • Condition: Used
  • Price: 250.65 EUR FESTPREIS
  • Status: unsold
  • Item number: 276090813305
  • Seller: microgroovelp (3903|100.0%)
  • Seller information: non commercial
  • Item location: Pawtucket, Rhode Island USA
  • Ships to: US
  • Shipping: 22,91 EUR
  • on EBAY
  • Description

    Bose 901 Series IV B Equalize! I bought this as a back up and am downsizing. It was purchased unopened and I used it briefly before putting it away. I have series VI but prefer the (in my opinion) somewhat warmer sound of series III and IV, and it made my series VI sound sweet). The story behind IV B is they only made a very limited number of them as Series IV was being replaced by Series V. I was able to find on line from Bose that the series IV eq supply was used up and they had to utilize series V chassis, parts and cases to make this eq to have the correct series III and IV curve. The best part of it was Bose began to make the equalizers so much better at this time (1983 for this one, the beginning of the series V era) with much better quality everything. It would be a challenge to find a nicer one that this, if you could find one at all! This has some insignificant marks on the case, stains on the box and is really very nice. It sounds warm and wonderful as it should. Dont miss it! Best one you’ll likely ever see!

Bose 901 Series IV B Active Equalizer In Original Box EXCEEDINGLY RARE!!! III

End: 09.10. 2023 12:12:55 on Monday
  • Condition: Used
  • Price: 272.35 EUR FESTPREIS
  • Status: unsold
  • Item number: 285501802133
  • Seller: microgroovelp (3903|100.0%)
  • Seller information: non commercial
  • Item location: Pawtucket, Rhode Island USA
  • Ships to: US
  • Shipping: 20,0 EUR
  • on EBAY
  • Description

    I bought this as a back up and am downsizing. It was purchased unopened and I used it briefly before putting it away. I have series VI but prefer the (in my opinion) somewhat warmer sound of series III and IV, and it made my series VI sound sweet). The story behind IV B is they only made a very limited number of them as Series IV was being replaced by Series V. I was able to find on line from Bose that the series IV eq supply was used up and they had to utilize series V chassis, parts and cases to make this eq to have the correct series III and IV curve. The best part of it was Bose began to make the equalizers so much better at this time (1983 for this one, the beginning of the series V era) with much better quality everything. It would be a challenge to find a nicer one that this, if you could find one at all! This has some insignificant marks on the case, stains on the box and is really very nice. It sounds warm and wonderful as it should. Don't miss it! Best one you’ll likely ever see!

Vintage Bose 901 Series III Active Equalizer RARE!!!

End: 06.10. 2023 02:25:56 on Friday
  • Condition: Used
  • Price: 128.42 EUR Auktion
  • Status: sold
  • Item number: 186099973779
  • Bids: 26
  • Seller: generation1fan (605|97.6%)
  • Seller information: non commercial
  • Item location: Santa Rosa, California USA
  • Ships to: US
  • Shipping: EUR
  • on EBAY
  • Description

    This vintage Bose 901 Series IV active equalizer is a rare find for any audiophile. With its sleek brown exterior, it adds a touch of sophistication to any home audio setup. Designed specifically for use with Bose 901 Series IV speakers, it delivers unmatched sound quality and clarity. The equalizer has been well-maintained by its previous owner, ensuring its excellent working condition. Its brand, Bose, is renowned for producing top-of-the-line audio equipment, and this equalizer is no exception. Add this piece to your collection and take your listening experience to the next level. Item is used and does show some ware but overall still displays great and works as you can see the power is lit up. If you have any questions please let ask me or refer to the pictures as everything is sold as is. Before you go check out my other listings. Thanks for stopping by.

Bose 901 Series IV B Active Equalizer In Original Box EXCEEDINGLY RARE!!! III

End: 03.10. 2023 21:09:51 on Tuesday
  • Condition: Used
  • Price: 270.67 EUR FESTPREIS
  • Status: unsold
  • Item number: 285497227682
  • Seller: microgroovelp (3901|100.0%)
  • Seller information: non commercial
  • Item location: Pawtucket, Rhode Island USA
  • Ships to: US
  • Shipping: 20,0 EUR
  • on EBAY
  • Description

    I bought this as a back up and am downsizing. It was purchased unopened and I used it briefly before putting it away. I have series VI but prefer the (in my opinion) somewhat warmer sound of series III and IV, and it made my series VI sound sweet). The story behind IV B is they only made a very limited number of them as Series IV was being replaced by Series V. I was able to find on line from Bose that the series IV eq supply was used up and they had to utilize series V chassis, parts and cases to make this eq to have the correct series III and IV curve. The best part of it was Bose began to make the equalizers so much better at this time (1983 for this one, the beginning of the series V era) with much better quality everything. It would be a challenge to find a nicer one that this, if you could find one at all! This has some insignificant marks on the case and is really very nice. It sounds warm and wonderful as it should. Dont miss it!

Bose 901 series iii speakers Excellent Condition Refoamed With Equalizer

End: 02.08. 2023 22:26:17 on Wednesday
  • Condition: Used
  • Price: 417.81 EUR Auktion
  • Status: unsold
  • Item number: 225693347373
  • Bids: 0
  • Seller: gregm65 (1080|100.0%)
  • Seller information: non commercial
  • Item location: Hortonville, Wisconsin USA
  • Ships to: None
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    Bose 901 series IV speakers Excellent Condition Refoamed. With Original Equalizer and original Boxes 1970s . Sound amazing and beautiful woodwork for these 50 year old speakers. All speakers Recently refoamed in March of 2023 No shipping and No Tulip stands Legs mounted under speaker. Pick up only in Appleton Wisconsin Hooked up to my stereo to listen to.

BOSE 901 SERIES III ACTIVE EQUALIZER

End: 26.07. 2023 14:10:28 on Wednesday
  • Condition: Used
  • Price: 101.68 EUR FESTPREIS
  • Status: sold
  • Item number: 266347411170
  • Seller: audioclassicsetc (1339|99.6%)
  • Seller information: non commercial
  • Item location: Vestal, New York USA
  • Ships to: US
  • Shipping: 45,5 EUR
  • on EBAY
  • Description

    GOOD CONDITION PHYSICALLY. LOOKING FOR A SPECIFIC CONSUMER ELECTRONICS OWNERS MANUAL OR SERVICE MANUAL? WE HAVE THOUSANDS... JUST ASK... ALL ORIGINAL! McIntosh... Denon... Marantz... Harman Kardon... Crown... JBL... SONY... Citation... Carver...Counterpoint...Fisher... Hafler...Kenwood... Lexicon... Nakamichi... Pioneer... just to name a few!

Vintage Bose Model 901 Active Equalizer Series III IV HiFi Tested Sounds Great!

End: 22.07. 2023 17:33:32 on Saturday
  • Condition: Used
  • Price: 140.62 EUR FESTPREIS
  • Status: sold
  • Item number: 285396000524
  • Seller: microgroovelp (3892|100.0%)
  • Seller information: non commercial
  • Item location: Pawtucket, Rhode Island USA
  • Ships to: US
  • Shipping: 48,32 EUR
  • on EBAY
  • Description

    This unit is working, both channels nice and clean, perfect for series III or IV which I read share the same EQ curve, I just listened to an hour plus of Charlie Parker, Milt Jackson, Ellington and more and it sounded just great. I am a 901 owner myself (Series I and Series VI ver 2) and ran it on my own system. This made my system sound wonderful and despite what Bose may have put out in the past, you can absolutely tailor your own system with any series EQ you wish because although there are subtle differences, frankly they all sound great. This eq seems to have a slightly warmer sound than my series VI eq. If I were to keep it I would have the caps redone just because of the age, but it is working right now. This is listed as parts / not working because I cannot guarantee it and it is sold as is. If you have 901s this is what you need to make them sing. DHS speaker on ebay services these and for a small amount they end up as good as new if not better. The wood cabinet I feel is better than typical w/ some minor corner damage dings etc - not too much but just so you know. The aluminum face has more dings and rubs, but its clean and looks ok. Please see the pics. Ask questions please or ask for before pics before buying. Im auditioning it as I write this and its very nice, currently some later Johnny Cash, very clean sounding. If you have series III or IV in particular this is what youre looking for. These go high so bear in mind.... this will not last,,

Bose 901 Series III Active Equalizer Vintage *LOOK

End: 16.07. 2023 12:51:21 on Sunday
  • Condition: For parts or not working
  • Price: 69.27 EUR Auktion
  • Status: sold
  • Item number: 225662224783
  • Bids: 2
  • Seller: tomas3896 (391|100.0%)
  • Seller information: non commercial
  • Item location: Elm Grove, Wisconsin USA
  • Ships to: US
  • Shipping: 10,0 EUR
  • on EBAY
  • Description

    Bose 901 Series III Active Equalizer Vintage - Plugged in and the light on the front goes on - slider controls are easy to move. Selling as parts only. There is some oxidation on the aluminum that you can see on the corner and top.

Bose 901 Series III Active Equalizer Vintage *LOOK

End: 09.07. 2023 12:50:33 on Sunday
  • Condition: For parts or not working
  • Price: 59.18 EUR Auktion
  • Status: unsold
  • Item number: 225649626407
  • Bids: 0
  • Seller: tomas3896 (391|100.0%)
  • Seller information: non commercial
  • Item location: Elm Grove, Wisconsin USA
  • Ships to: US
  • Shipping: 10,0 EUR
  • on EBAY
  • Description

    Bose 901 Series III Active Equalizer Vintage - Plugged in and the light on the front goes on - slider controls are easy to move. Selling as parts only. There is some oxidation on the aluminum that you can see on the corner and top.

Bose 901 Series III Active Equalizer Vintage *LOOK

End: 04.07. 2023 06:50:07 on Tuesday
  • Condition: Used
  • Price: 100.85 EUR FESTPREIS
  • Status: sold
  • Item number: 266272987775
  • Seller: sunnyvintage (518|98.3%)
  • Seller information: non commercial
  • Item location: Oklahoma City, Oklahoma USA
  • Ships to: US
  • Shipping: 15,95 EUR
  • on EBAY
  • Description

    Bose 901 Series III Active Equalizer Vintage *LOOK. Check photos for condition.

equalizzatore attivo BOSE 901 SERIE III ACTIVE EQUALIZER

End: 11.06. 2023 09:44:13 on Sunday
  • Condition: Used
  • Price: 159.0 EUR FESTPREIS
  • Status: sold
  • Item number: 314631592005
  • Seller: marsim65 (1550|100.0%)
  • Seller information: non commercial
  • Item location: Bassano in Teverina Italien
  • Ships to: EuropeanUnion
  • Shipping: 0,0 EUR
  • on EBAY
  • Description

    MOLTO BEN TENUTO.PICCOLO RESTAURO SUL PIANO IN LEGNO.ATTACCO (R OUTPUT) E STATO EVIDENTEMENTE SOSTITUITO .SI ACCENDE MA NON HO POSSIBILITA DI PROVARLO.VENDO

Bose 901 Series III Speakers Refurbished New Surrounds w/ Equalizer

End: 10.06. 2023 02:28:35 on Saturday
  • Condition: Vom Verkäufer generell überholt
  • Price: 548.78 EUR FESTPREIS
  • Status: sold
  • Item number: 185923631215
  • Seller: gsaudioinc (1945|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Colorado Springs, Colorado USA
  • Ships to: Worldwide
  • Shipping: 228,08 EUR
  • on EBAY
  • Description

    GS Audio Inc. is not the owner or seller of these goods, but merely a bailee acting on behalf of the seller to facilitate the sale of the goods by holding the goods until such time as a sale is completed and the goods are shipped to the buyer. GS Audio Inc. has used its best efforts to inspect the item(s) for sale and create descriptions and furnish photographs that fairly and adequately depict the type, condition and image of the goods at the time of sale. GS Audio Inc. makes no express or implied warranties or representations regarding the condition or suitability of the goods and to the extent allowed by law, specifically disclaims any express or implied warranties, including but not limited to any warranty of merchantability or fitness for purpose. GS Audio Inc. reserves the right to cancel bids on any item due to feedback. This Listing Powered By

Bose 901 Series III Speakers Refurbished New Surrounds w/ Equalizer

End: 02.06. 2023 03:37:46 on Friday
  • Condition: Vom Verkäufer generell überholt
  • Price: 512.46 EUR Auktion
  • Status: unsold
  • Item number: 185916698398
  • Bids: 0
  • Seller: gsaudioinc (1793|100.0%)
  • Seller information: Commercial (with base shop)
  • Item location: Colorado Springs, Colorado USA
  • Ships to: Worldwide
  • Shipping: 211,06 EUR
  • on EBAY
  • Description

    GS Audio Inc. is not the owner or seller of these goods, but merely a bailee acting on behalf of the seller to facilitate the sale of the goods by holding the goods until such time as a sale is completed and the goods are shipped to the buyer. GS Audio Inc. has used its best efforts to inspect the item(s) for sale and create descriptions and furnish photographs that fairly and adequately depict the type, condition and image of the goods at the time of sale. GS Audio Inc. makes no express or implied warranties or representations regarding the condition or suitability of the goods and to the extent allowed by law, specifically disclaims any express or implied warranties, including but not limited to any warranty of merchantability or fitness for purpose. GS Audio Inc. reserves the right to cancel bids on any item due to feedback. This Listing Powered By