Boulder 850
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Product
Site
Price
Listed
![Canada Canada](/_.gif)
![Boulder 850 @ Canuck Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 monoblocks
Canuck Audio Mart
CA$6,000
Aug 22, 2023
- Nov 20, 2023
![Canada Canada](/_.gif)
- Nov 20, 2023
![US US](/_.gif)
![Boulder 850 @ Audiogon](https://static.hifishark.com/images/no-image.png)
Boulder 850 Mono Power Amplifiers; Silver Pair (51193)
Audiogon
$4,414
2%
Jul 29, 2023
- Aug 10, 2023
![US US](/_.gif)
- Aug 10, 2023
![US US](/_.gif)
![Boulder 850 @ The Music Room](https://static.hifishark.com/images/no-image.png)
Boulder 850 Mono Power Amplifiers; Silver Pair
The Music Room
$4,413
8%
Jun 8, 2023
- Aug 9, 2023
![US US](/_.gif)
- Aug 9, 2023
![US US](/_.gif)
![Boulder 850 @ The Music Room](https://static.hifishark.com/images/no-image.png)
Boulder 850 Balanced Mono Power Amplifier; Pair
The Music Room
$4,828
Apr 5, 2023
- Apr 25, 2023
![US US](/_.gif)
- Apr 25, 2023
![Czech Republic Czech Republic](/_.gif)
![Boulder 850 @ HyperInzerce](https://static.hifishark.com/images/no-image.png)
Boulder 850
HyperInzerce
CZK 77,785
Mar 14, 2023
- Mar 22, 2023
![Czech Republic Czech Republic](/_.gif)
- Mar 22, 2023
![US US](/_.gif)
![Boulder 850 @ The Music Room](https://static.hifishark.com/images/no-image.png)
Boulder 850 Balanced Mono Power Amplifiers; Silver Pair
The Music Room
$4,151
8%
Feb 25, 2023
- May 11, 2023
![US US](/_.gif)
- May 11, 2023
![US US](/_.gif)
![Boulder 850 @ High Performance Stereo](https://static.hifishark.com/images/no-image.png)
Boulder 850 (one amp only ) price for one mono
High Performance Stereo
$2,750
307%
Feb 18, 2023
- Dec 21, 2023
![US US](/_.gif)
- Dec 21, 2023
![Canada Canada](/_.gif)
![Boulder 850 @ Quebec Audio](https://static.hifishark.com/images/no-image.png)
Boulder 850 monoblocks
Quebec Audio
CA$4,100
Feb 9, 2023
- Feb 9, 2023
![Canada Canada](/_.gif)
- Feb 9, 2023
![US US](/_.gif)
![Boulder 850 @ Echo Audio](https://static.hifishark.com/images/no-image.png)
Boulder 850 M
Echo Audio
$4,600
Feb 4, 2023
- Feb 9, 2023
![US US](/_.gif)
- Feb 9, 2023
![US US](/_.gif)
![Boulder 850 @ US Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 Mono Power Amplifiers
US Audio Mart
$3,950
17%
Jan 2, 2023
- Feb 22, 2023
![US US](/_.gif)
- Feb 22, 2023
![Czech Republic Czech Republic](/_.gif)
![Boulder 850 @ HyperInzerce](https://static.hifishark.com/images/no-image.png)
Sada Boulder 850 + Boulder 810
HyperInzerce
CZK 58,700
14%
Dec 12, 2022
- Aug 8, 2023
![Czech Republic Czech Republic](/_.gif)
- Aug 8, 2023
![Czech Republic Czech Republic](/_.gif)
![Boulder 850 @ HyperInzerce](https://static.hifishark.com/images/no-image.png)
Boulder 850 + předzesilovač 810
HyperInzerce
-
Nov 30, 2022
- Dec 3, 2022
![Czech Republic Czech Republic](/_.gif)
- Dec 3, 2022
![US US](/_.gif)
![Boulder 850 @ Reverb](https://static.hifishark.com/images/no-image.png)
Boulder 850 Mono Power Amplifiers; Pair
$4,499
Nov 23, 2022
- Nov 24, 2022
![US US](/_.gif)
![Reverb logo](https://static.hifishark.com/images/2015-Reverb-Logo_frcz70.png)
- Nov 24, 2022
![US US](/_.gif)
![Boulder 850 @ The Music Room](https://static.hifishark.com/images/no-image.png)
Boulder 850 Mono Power Amplifiers; Pair
The Music Room
$4,499
Nov 16, 2022
- Nov 23, 2022
![US US](/_.gif)
- Nov 23, 2022
![US US](/_.gif)
![Boulder 850 @ Reverb](https://static.hifishark.com/images/no-image.png)
Boulder 850 Balanced Mono Power Amplifier; Pair
$4,499
Nov 2, 2022
- Nov 7, 2022
![US US](/_.gif)
![Reverb logo](https://static.hifishark.com/images/2015-Reverb-Logo_frcz70.png)
- Nov 7, 2022
![US US](/_.gif)
![Boulder 850 @ The Music Room](https://static.hifishark.com/images/no-image.png)
Boulder 850 Balanced Mono Power Amplifier; Pair
The Music Room
$4,499
Oct 26, 2022
- Nov 6, 2022
![US US](/_.gif)
- Nov 6, 2022
![Canada Canada](/_.gif)
![Boulder 850 @ Canuck Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 monoblocks
Canuck Audio Mart
CA$6,500
Oct 6, 2022
- Nov 3, 2022
![Canada Canada](/_.gif)
- Nov 3, 2022
![Czech Republic Czech Republic](/_.gif)
![Boulder 850 @ HyperInzerce](https://static.hifishark.com/images/no-image.png)
Boulder 850 + předzesilovač 810
HyperInzerce
CZK 79,000
Sep 21, 2022
- Nov 30, 2022
![Czech Republic Czech Republic](/_.gif)
- Nov 30, 2022
![Canada Canada](/_.gif)
![Boulder 850 @ Canuck Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 mono block
Canuck Audio Mart
CA$6,600
Aug 21, 2022
- Oct 6, 2022
![Canada Canada](/_.gif)
- Oct 6, 2022
![Japan Japan](/_.gif)
![Boulder 850 @ Yahoo Auctions](https://static.hifishark.com/images/no-image.png)
#Boulder 850 monaural power amplifier boruda-#
Yahoo Auctions
Auction bid
¥2,500 Jun 6, 2022
- Jun 12, 2022
![Japan Japan](/_.gif)
¥2,500 Jun 6, 2022
- Jun 12, 2022
![US US](/_.gif)
![Boulder 850 @ AudioCircle](https://static.hifishark.com/images/no-image.png)
Boulder 850 mono amplifiers
AudioCircle
-
Mar 19, 2022
- Apr 4, 2022
![US US](/_.gif)
- Apr 4, 2022
![Canada Canada](/_.gif)
![Boulder 850 @ Canuck Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 monoblocks
Canuck Audio Mart
CA$6,500
Mar 4, 2022
- Apr 28, 2022
![Canada Canada](/_.gif)
- Apr 28, 2022
![Canada Canada](/_.gif)
![Boulder 850 @ Canuck Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 monoblocks
Canuck Audio Mart
CA$6,500
Feb 3, 2022
- Feb 8, 2022
![Canada Canada](/_.gif)
- Feb 8, 2022
![US US](/_.gif)
![Boulder 850 @ The Music Room](https://static.hifishark.com/images/no-image.png)
Boulder 850 Mono Power Amplifier; Pair
The Music Room
$4,949
1%
Jan 31, 2022
- Feb 15, 2022
![US US](/_.gif)
- Feb 15, 2022
![US US](/_.gif)
![Boulder 850 @ US Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 Monoblock Power Amplifiers
US Audio Mart
$5,500
Dec 20, 2021
- Dec 23, 2021
![US US](/_.gif)
- Dec 23, 2021
![Canada Canada](/_.gif)
![Boulder 850 @ Canuck Audio Mart](https://static.hifishark.com/images/no-image.png)
FOR SALE or TRADE: Boulder 850 monoblocks
Canuck Audio Mart
CA$6,000
Nov 27, 2021
- Feb 3, 2022
![Canada Canada](/_.gif)
- Feb 3, 2022
![Canada Canada](/_.gif)
![Boulder 850 @ Canuck Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 monoblocks amplifiers
Canuck Audio Mart
CA$6,000
Nov 21, 2021
- Nov 23, 2021
![Canada Canada](/_.gif)
- Nov 23, 2021
![US US](/_.gif)
![Boulder 850 @ Audiogon](https://static.hifishark.com/images/no-image.png)
Boulder 850 monos
Audiogon
$4,000
33%
Sep 22, 2021
- Oct 5, 2021
![US US](/_.gif)
- Oct 5, 2021
![Canada Canada](/_.gif)
![Boulder 850 @ Canuck Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 monoblocks
Canuck Audio Mart
CA$6,000
19%
Aug 19, 2021
- Nov 17, 2021
![Canada Canada](/_.gif)
- Nov 17, 2021
![Italy Italy](/_.gif)
![Boulder 850 @ Annunci.net](https://static.hifishark.com/images/no-image.png)
Boulder 850
Annunci.net
€4,300
Aug 18, 2021
- Sep 1, 2021
![Italy Italy](/_.gif)
- Sep 1, 2021
![US US](/_.gif)
![Boulder 850 @ US Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 Mono Block Amplifiers - Superb!
US Audio Mart
$5,250
5%
Jul 25, 2021
- Mar 28, 2022
![US US](/_.gif)
- Mar 28, 2022
![Italy Italy](/_.gif)
![Boulder 850 @ Annunci.net](https://static.hifishark.com/images/no-image.png)
Boulder 850
Annunci.net
€4,300
Jun 16, 2021
- Jul 31, 2021
![Italy Italy](/_.gif)
- Jul 31, 2021
![Japan Japan](/_.gif)
![Boulder 850 @ Yahoo Auctions](https://static.hifishark.com/images/no-image.png)
#Boulder 850 monaural power amplifier boruda-#
Yahoo Auctions
Auction bid
¥221,600 May 25, 2021
- May 31, 2021
![Japan Japan](/_.gif)
¥221,600 May 25, 2021
- May 31, 2021
![Canada Canada](/_.gif)
![Boulder 850 @ Canuck Audio Mart](https://static.hifishark.com/images/no-image.png)
Boulder 850 monoblocks
Canuck Audio Mart
CA$7,400
8%
May 21, 2021
- Aug 19, 2021
![Canada Canada](/_.gif)
- Aug 19, 2021
![Poland Poland](/_.gif)
![Boulder 850 @ Sprzedajemy](https://static.hifishark.com/images/no-image.png)
Wzmacniacz Boulder 850 z przedwzmacniaczem 810
Sprzedajemy
PLN 16,000
May 19, 2021
- Feb 21, 2022
![Poland Poland](/_.gif)
- Feb 21, 2022
![Netherlands Netherlands](/_.gif)
![Boulder 850 @ Marktplaats](https://static.hifishark.com/images/no-image.png)
Boulder 850
Marktplaats
€5,100
14%
Mar 14, 2021
- Oct 2, 2021
![Netherlands Netherlands](/_.gif)
- Oct 2, 2021
![US US](/_.gif)
![Boulder 850 @ Audiogon](https://static.hifishark.com/images/no-image.png)
BOULDER 850 MONO AMPS MINT CONDITION
Audiogon
$4,950
Feb 20, 2021
- Feb 26, 2021
![US US](/_.gif)
- Feb 26, 2021
![Japan Japan](/_.gif)
![Boulder 850 @ Yahoo Auctions](https://static.hifishark.com/images/no-image.png)
Boulder 850 catalog boruda- tube 3876
Yahoo Auctions
Auction bid
¥1,000 Feb 19, 2021
- Oct 16, 2023
![Japan Japan](/_.gif)
¥1,000 Feb 19, 2021
- Oct 16, 2023
![Spain Spain](/_.gif)
![Boulder 850 @ Como Ficho](https://static.hifishark.com/images/no-image.png)
Boulder 850
Como Ficho
€6,000
Feb 17, 2021
- Jun 30, 2024
![Spain Spain](/_.gif)
- Jun 30, 2024
![Serbia Serbia](/_.gif)
![Boulder 850 @ Kupujem Prodajem](https://static.hifishark.com/images/no-image.png)
Boulder 850 mono blokovi i 810 preamp Boulder 850 mono blokovi i 810 preamp ultra hi end ...
Kupujem Prodajem
-
Oct 29, 2020
- Nov 13, 2020
![Serbia Serbia](/_.gif)
- Nov 13, 2020
![France France](/_.gif)
![Boulder 850 @ Marche.fr](https://static.hifishark.com/images/no-image.png)
Boulder 850
Marche.fr
€4,500
Oct 27, 2020
- Nov 11, 2020
![France France](/_.gif)
- Nov 11, 2020
![Croatia Croatia](/_.gif)
![Boulder 850 @ Njuškalo](https://static.hifishark.com/images/no-image.png)
Boulder Mono blokovi 850 i Preamp 810
Njuškalo
HRK 74,000
4%
Oct 16, 2020
- Nov 24, 2020
![Croatia Croatia](/_.gif)
- Nov 24, 2020
![Australia Australia](/_.gif)
![Boulder 850 @ StereoNet](https://static.hifishark.com/images/no-image.png)
EXPIRED: FS: BOULDER 1010 PREAMP & 850 MONO POWER AMPS Price Drop!
StereoNet
-
Sep 8, 2020
- Oct 9, 2020
![Australia Australia](/_.gif)
- Oct 9, 2020
![Russia Russia](/_.gif)
![Boulder 850 @ Avito](https://static.hifishark.com/images/no-image.png)
Boulder 810/850 пред + моноблоки
Avito
-
Sep 8, 2020
- Sep 15, 2020
![Russia Russia](/_.gif)
- Sep 15, 2020
![Serbia Serbia](/_.gif)
![Boulder 850 @ Kupujem Prodajem](https://static.hifishark.com/images/no-image.png)
Boulder 810/850 Jedna od najpoznatijih kompanija novog talasa americkog tzv. ultra haj ...
Kupujem Prodajem
-
Aug 24, 2020
- Sep 4, 2020
![Serbia Serbia](/_.gif)
- Sep 4, 2020
![Australia Australia](/_.gif)
![Boulder 850 @ StereoNet](https://static.hifishark.com/images/no-image.png)
EXPIRED: FS: BOULDER 850 MONO POWER AMPS
StereoNet
-
Jun 6, 2020
- Jul 7, 2020
![Australia Australia](/_.gif)
- Jul 7, 2020
![Australia Australia](/_.gif)
![Boulder 850 @ StereoNet](https://static.hifishark.com/images/no-image.png)
EXPIRED: Price Drop: BOULDER 1010 PREAMP & 850 MONO POWER AMPS
StereoNet
-
Apr 17, 2020
- May 18, 2020
![Australia Australia](/_.gif)
- May 18, 2020
![US US](/_.gif)
![Boulder 850 @ Audiogon](https://static.hifishark.com/images/no-image.png)
Boulder 850
Audiogon
$4,000
Mar 24, 2020
- Apr 1, 2020
![US US](/_.gif)
- Apr 1, 2020
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