SOLD - FOR SALE: Bogen Presto DS265 65 watt Tube Amplifier - Restored and upgraded
Item #649359154Info: Bogen Presto DS265 65 watt Tube Amplifier - Restored and upgraded
Dec 03, 17 8:49am (PST)
Edited: Apr 03, 18 9:53am
New York, NY
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** This Ad is Marked as SOLD by seller and cannot be responded to. **
Restored Bogen Presto DS265 tube amp.
Some people think Bogen just did PA amplifiers. Well, this amp was built for professional audio monitoring in a Presto vinyl pressing machine.
I believe this amp has all the frequency range you would expect from an audiophile amp.
It is much more detailed then a Dynaco ST-70, it has a much better bass. I think this amp at least matches my Dynaco Mark III, if not surpasses them.
For sure, the massive transformers are bigger then Dyanco's Mark III ones. The bigger the transformers, the better the bass.
It is 65 watt, runs 4x 7027, 1x 12ax7, 2x 12au7, three (!) 5ar4 rectifiers.
It has been restored, power supply has been rebuilt with premium audiophile parts: Japanese Nichinon and German Mundorf electrolytic.
Coupling caps replaced with Mundorf. Resistors out of specs replaced with Takman. Noval socket replaced with QQQ japanese ones.
As it is now, it should be ready to sing for another 50 years.
Cosmetically, there's some rust here and there. I gave it a clean on the chassis.
It is very heavy. This unit has be design the possibility to set the bias of each valve individually.
It comes with a new set of output tubes JJ 7027a, 3x russian 5ar7, nos american preamp tubes, not the ones used in the photo.
I also have two extra quad of rare old 7027a, willing to sale to the buyer in case he wishes:
- One quad + spare (5 total) of 7027a metal base made by RCA and re-branded Bogen and Baldwin. All tested strong and matched. Price is $300 extra
- One quad (4 total) of 7027a metal base made by RCA branded RCA new old stock never uses in original box, matched. Price is $500 extra
I can consider trade with other audiophile gear.
It is sold as is, but feel free to come pick up in person and test it before purchasing it.
This ad was originally posted on US Audio Mart and the seller ships to the United States.
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