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Vintage Marantz BA312 PE01 Upgrade 2250, 2250B, 2265, 2275, 2285, 2325, 2330

Discrete Op Amp Upgrade for Vintage Marantz Receivers
sparko3111
(608)
Registered as a private seller
Consumer protection regulations resulting from EU consumer law are therefore not applicable. eBay buyer protection still applies to most purchases.
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US $99.90
Approximately£73.39
or Best Offer
Condition:
New
More than 10 available21 sold
People want this. 60 people are watching this.
This one's trending. 21 have already sold.
Collection:
Free collection in person from Westminster, Colorado, United States
Postage:
US $6.00 (approx £4.41) USPS First Class®.
Located in: Westminster, Colorado, United States
Delivery:
Estimated between Tue, 17 Jun and Mon, 23 Jun to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the delivery service selected, the seller's delivery history and other factors. Delivery times may vary, especially during peak periods.
Returns:
30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Payments:
    Diners Club

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eBay item number:144591869087

Item specifics

Condition
New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging ...
Model
BA312 - M
Country/Region of Manufacture
United States
MPN
BA312 - M
Brand
Marantz
UPC
Does not apply

Item description from the seller

About this seller

sparko3111

100% positive Feedback•3.0K items sold

Joined May 2012
Registered as a private sellerThereby, consumer rights stemming from EU consumer protection law do not apply. eBay buyer protection still applies to most purchases.
Visit shopContact

Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable postage cost
4.8
Delivery time
5.0
Communication
4.9

Seller Feedback (667)

All ratings
Positive
Neutral
Negative
  • r***j (726)- Feedback left by buyer.
    Past year
    Verified purchase
    The BA312Ms are quite the overall improvement in the tightness of the bass and it lifted the kinda blanket over the speakers in the high-end. Ran into an issue with one wrong hole cap leg placement but end result was ok. Nice upgrade for sure and great direction sheets..Thank you.
  • 1***n (73)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    This is absolutely amazing. It has changed the sound of my 2325 in a wonderful way.
  • 5***u (460)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Exactly as represented. Great seller. A+++++++++++
See all Feedback

Product ratings and reviews

Learn more
5.0
6 product ratings
  • 6 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 6 reviews
  • by ddickey1222
    24 Aug, 2020

    Highly recommended!

    I rebuilt a Marantz 2325 and when I got done with the tone board it still had a weak channel. I traced the problem to one of the obsolete BA312 chips. I ordered and installed this kit and it made an incredible overall sonic difference in the 2325's performance. The instructions were clear and the parts are high quality. Highly recommended!

    Verified purchase: YesCondition: NewSold by: sparko3111

  • by bidthoma
    20 May, 2019

    happy

    I have other issues with 9090db receiver that need addressing but sounded great more open for short time I had working. Hope to have it a 100% shortly after total recap and getting bugs out. 9090db's are finicky but worth it sound wise thanks Bill and thank you Andrew

    Verified purchase: YesSold by: sparko3111

  • by tantau15
    30 Mar, 2025

    This is absolutely amazing. It has chang...

    This is absolutely amazing. It has changed the sound of my 2325 in a wonderful way.

    Verified purchase: YesCondition: NewSold by: sparko3111

  • by acezar0
    26 Jan, 2021

    New pre amp for Marantz 2250B

    After installed the sound becomes clearly, more detailed and vivid.

    Verified purchase: YesCondition: NewSold by: sparko3111

  • by alain3080
    13 Jul, 2019

    Game changer

    As if a thick veil was lifted without changing the vintage Marantz sound.

    Verified purchase: YesSold by: sparko3111

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