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bose

  1. T

    Sansui selected by Bose

    Hi everyone. I have a question about some speakers I just bought. They're Bose ML1s, but they have the Sansui logo shown in the image, which I haven't been able to find anything about online. I also asked Gemini, and they told me the woofers are Carbonneau from a Zennith Allegro cabinet, and I'm...
  2. 5

    Bose 501 - Diagnose and Repair

    I'm a beginner here so any advice or help would be much appreciated. I saved some 501s from going to the dump that were my father in laws. They are functioning, but the sound leaves a bit to be desired. To start one speaker is worse than the other. It has more cracks and seems to be cutting in...
    • 501noob
    • Thread
    • bose bose 501 bose 501 series ii refoam refoam speakers speaker
    • Replies: 3
    • Forum: Speakers
  3. Carbsandcaps

    The Bose 301 another opinion.

    Anytime I see anything Bose above 201’s because they’re always an easy sell. I don’t go beyond making sure they produce sound before I post them for sale. Well this time I actually gave them a listen and the result it…. They just plain suck. I picked up a set for $15 a piece from goodwill one...
  4. bringarecord

    Bose Series IV equalizer RCA connection issue

    Hello, Looking for some input on an issue I haven’t found a thread for. I recently re-foamed some Bose 901 series IV speakers. I’m aware of the polarizing nature and quality of the parts in the equalizer but at the right price I was able to get a relatively clean pair to clean up. While I was...
  5. N

    Bose 301 Series V - help a newbie tweeter replacement

    Our Bose 301 Series V speakers started sounding poorly and I discovered someone had poked the front tweeter speakers, assuming my young boy since he’s curious and there is hardly any room to get a finger in. I was able to pry off the glued plastic piece and take out the tweeter to discover 1/...
  6. B

    Bose 601 Series III Poor Sound

    Hello i have a pair of bose 601 series iii speakers they sound really good with my pioneer vsx-808 even at high volumes but when i connect them to my sony ta-n55 power and ta-e77es pre amp after quarter volume they start to make different sounds and volume is decreasing by itself. But i have 5...
  7. R

    Not exactly sure what model of Bose these are

    I apologize if I'm posting this in the wrong area but navigating around and knowing exactly where to ask things has been difficult for me. A guy brought these Bose into my shop and he didn't know what model he had. I reached out to a fellow audiophile in the area and he believes these to be Bose...
  8. badspell68

    Bose 301s Replaced with Polk ES20 - Thoughts and Input on Change?

    After years of using Bose 301s with a Yamaha CR-2040 (use it for Music and and Movies). What I noticed - The Bose's filled the rooms completely with sound, but while watching films I had a hard time understanding words, but when putting on high quality headphones I could hear everything in...
    • badspell68
    • Thread
    • bose cr-2040 yahama amplifier
    • Replies: 13
    • Forum: Speakers
  9. N

    Sansui G-4700 Burning Resistors

    Hello everyone, i have a problem with my Sansui G-4700. Left channel burns the RESISTORS 01 and 05. I already changed the transistors 01, 03, 05, 07, 09, 11, 13, 15, 17, 19, 21 and 23. i changed also the 470uf 50v capacitor for the left channel. also i changed the VR07 for the bias, capacitors...
    • nicolas25
    • Thread
    • akai bang olufsen bose bowers & wilkins denon marantz onkyo sansui technics yamaha
    • Replies: 8
    • Forum: Exclusively Sansui
  10. Art Vandalay

    Equalizer suggestions? Will an EQ really make a significant audio improvement?

    I am new to this forum and hope all of you can assist me. I have an Onkyo TX SR505 receiver, a Polk sub, and a pair of Bose 401's. After recently digging out my Kenwood MK1600 turntable (also connecting an inexpensive Pyle pre-amp) and adding a new Ortofon 2M Red cartridge to revisit my LPs, I...
  11. Art Vandalay

    Need specs for tweeters and drivers for Bose 401 speakers

    The tweeter in one of my 401s has failed and Bose longer has replacements, nor do they have the technical specs for the 401's tweeter and driver! I'm new to this forum and am hoping someone here can direct me to somewhere that has them (other than eBay...tried that), or has the technical specs...
  12. B

    Bose 1800 Series 1 manual & input sensitivity

    Hi, Don't suppose anyone has a copy of the service manual or a link for the Bose 1800/1801 series 1 please? The electronics-diy link has gone down. Has anyone managed to bring the input sensitivity down to -10dbv consumer level? I've got Apex 124A convertors but would rather not use them if I...
    • BOSE
    • Thread
    • 1800 bose input sensitivity service manual
    • Replies: 2
    • Forum: Solid State
  13. N

    JVC 4MM-1000 Receiver left channel is weaker

    hello mates, i have a problem with my JVC 4MM-1000 receiver, left channel sounds weaker. i already cleaned all pots and switches but still the same. any idea where to look at first? thanks
  14. N

    STANDARD SR-4500 SOLID STATE RECEIVER

    Hello anyone who has info about this vintage receiver? i need also schematics please. there is no voltage on the supply for the lamps. thanks
  15. A

    Marshal Woburn II vs Bose S1 Pro

    Hello all, I am between buying Marshal Woburn II and Bose S1 Pro. Appreciate if anyone can pass on comments. I had opportunity to experience Bose S1 Pro but don't have option to experience Marshal Woburn II. Please share your experience and suggestion. Thank you
    • anis493
    • Thread
    • blue tooth bose marshall
    • Replies: 2
    • Forum: Speakers
  16. K

    Mouse infested Bose 1800 mk1 restoration

    Ok guys. Here’s the info, tell me what you think. 25 years in a barn. Came from a repair man who retired in the 90s, this must’ve been something never finished and never picked up. This first post is about everything I know. Grateful for all help. When I first got it, I pulled the...
  17. L

    How Remove Speaker Grille from Bose Model 21

    I've seen a couple of threads asking how to remove the grille from Bose Model 21. The simple answer is: you aren't supposed to do that. Bose doesn't want you to remove it and doing so will surely void your warranty. They would rather you buy a new speaker from them. But as "luck" would have...
    • Lazuru$
    • Thread
    • bose grille model 21 removal repair teardown
    • Replies: 0
    • Forum: Speakers
  18. Richard P

    Bose PS48 Amplifier Power Supply Repair Notes:

    I had to repair this unit for my son (no flamethrowers about Bose please). The power supply was completely dead but the fuse was OK. I found the obvious problem of the two blown mosfets in the SMPS (chunks missing) along with 4 resistors and the controller IC in the same condition. As long as...
    • Richard P
    • Thread
    • bose lifestyle ps-28 ps-48
    • Replies: 0
    • Forum: DIY
  19. C

    Bose 901 Series IV - EQ doing a buzz sound…

    Hi everyone, I’m fairly new to the forum but I read very good advices here before :) hope someone can help me understanding what is going on with the EQ and if this is some form of easy repair . I have a pair of Bose 901s connected to the EQ and having an external power amp integrated with my...
  20. J

    What do I need for Karaoke?

    Hi, I have a Bose 901 system, where I have hooked up the the pre-amp to the Line-In on my AS-700 Yamaha amp. I know this is not ideal - would rather have an amp with pre-amp capabilities. Picture of the front and back below. What I need is to hook up a microphone to work in conjunction with...
  21. flyingfinn

    Bose 501 Series V Crossover Point?...Wanting to upgrade from "Twiddlers"

    Greetings all! I know these speakers are nothing special, but I thought that it would be neat to replace the twiddlers with the new GRS 3.5" planar transducers from PE. The way I see it, not only would they provide vastly better clarity, but due to the direct/reflecting design, would eliminate...
    • flyingfinn
    • Thread
    • bose bose 501 crossover planar
    • Replies: 9
    • Forum: Speakers
  22. A

    Bose 901 EQ light/power switch

    So I’m wrapping up my restoration of a Bose 901 Series I Equalizer, new caps and resistors throughout, and something strange happened. The neon light hasn’t worked since I got it, and I’ve yet to deal with a replacement. But yesterday when I (thought I) was finished and put it all back together...
    • atrelstad
    • Thread
    • 901 bose bose 901 active equalizer light bulb neon rebuild restoration
    • Replies: 3
    • Forum: Speakers
  23. D

    Bose 2201

    I have a pair of Bose 2201 speakers with the original paperwork, cables, etc. They look like new, but I have no idea what they are worth. I would like to know if they are rare or valuable. I wasn't able to find a lot of information on the internet about what they are worth. Any ideas?
  24. B

    Bose or No’s

    These are Bose 501s I’ve asked Bose of course they have no clue how is that possible probably because the 22-year-old who reads their forums or answering the messages is too young to know Woofer foams aside what’s throwing me are the volume controls on the back and the front end tweeter there...
  25. VintageDutch

    Looking for idea's on Bose Interaudio Grills restore

    Hey everybody.. This weekend I picked-up two Bose Interaudio Model 3000 Speakers... Mind you... They are the Grandma and Grand daddy of the later 3000XL I my younger years I sold many of these speakers, and now that I'm in the Vintage Audio restoration game I wanted a set since I remember...
    • VintageDutch
    • Thread
    • bose bose interaudio 3000 interaudio molding plastic refoam restore speaker speaker grill
    • Replies: 8
    • Forum: Speakers
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