Been trying out the ampsandsound Mogwai amp for the past couple of weeks. Single ended running a single 6550 per side for about 4 watts max into an 8 ohm speaker. Sold mostly as a headphone amp, but with speaker binding posts too. Not compatible with a passive linestage (not enough gain through the speaker terminals) so I've been using a Burson Conductor Virtuoso instead of my DIY passive. This is is proving to be a really sweet amp with my Tektons. I'll be writing it up in Positive Feedback at some point in the future.
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for those of you with high efficiency speakers...the ampsandsound Mogwai
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for those of you with high efficiency speakers...the ampsandsound Mogwai
Steve Lefkowicz
Senior Associate Editor at Positive Feedback
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Analog 1: Linn LP12 (MOSE/Hercules II), Ittok, Dynavector 10X5 MK.II Low, iPhono2/iPowerX; Analog 2: Pro-Ject RPM-1 Carbon, Talisman S, iFi iPhono.
Digital: Geekom Mini PC (i5, 16GB RAM, 512GB SSD, JRiver Media Center 29, Tidal HiFi, Qobuz Studio), iFi NEO iDSD, iFi iUSB3, iPurifier2, Audioquest Jitterbug FMJ.
Electronics: Jolida Fusion (fully upgraded) line-stage, DIY passive line-stage, Antique Sound Labs MG-SI15DT-S, Burson Timekeeper Virtuoso
Speakers: Tekton Perfect SET 15, Tekton Lore, Magneplaner .7
Interconnects: Morrow Audio MA1, Vermouth Audio Black Pearl, Audioquest Evergreen
Speaker cables: WyWyres Diamond, Morrow Audio SP4, Vermouth Audio Red Velvet, Audioquest Type 5
Digital cables: Aural Symphonics USB, iFi Gemini twin-head USB.
Accessories: Sound Organization turntable shelf, Mondo racks, Pangea Audio Vulcan rack, Pi Audio Group Über BUSS, Monster HTS2000 power conditioner, Kinetronics anti-static brush, Pro-Ject VC-S record cleaner, Spin Clean record cleaner.
Headphones: Schiit Valhalla amp, Burson Conductor Virtuoso Amp, Meze Audio 99 Classic and 99 Neo, Beyerdynamic DT770Pro 600 ohm, 1More Triple Driver Over Ear, 1More Triple Driver IEM -
Originally posted by Bill Hart View Postwhassitcost? (in the style of the product name).
I stick with the lower cost stuff!Steve Lefkowicz
Senior Associate Editor at Positive Feedback
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Analog 1: Linn LP12 (MOSE/Hercules II), Ittok, Dynavector 10X5 MK.II Low, iPhono2/iPowerX; Analog 2: Pro-Ject RPM-1 Carbon, Talisman S, iFi iPhono.
Digital: Geekom Mini PC (i5, 16GB RAM, 512GB SSD, JRiver Media Center 29, Tidal HiFi, Qobuz Studio), iFi NEO iDSD, iFi iUSB3, iPurifier2, Audioquest Jitterbug FMJ.
Electronics: Jolida Fusion (fully upgraded) line-stage, DIY passive line-stage, Antique Sound Labs MG-SI15DT-S, Burson Timekeeper Virtuoso
Speakers: Tekton Perfect SET 15, Tekton Lore, Magneplaner .7
Interconnects: Morrow Audio MA1, Vermouth Audio Black Pearl, Audioquest Evergreen
Speaker cables: WyWyres Diamond, Morrow Audio SP4, Vermouth Audio Red Velvet, Audioquest Type 5
Digital cables: Aural Symphonics USB, iFi Gemini twin-head USB.
Accessories: Sound Organization turntable shelf, Mondo racks, Pangea Audio Vulcan rack, Pi Audio Group Über BUSS, Monster HTS2000 power conditioner, Kinetronics anti-static brush, Pro-Ject VC-S record cleaner, Spin Clean record cleaner.
Headphones: Schiit Valhalla amp, Burson Conductor Virtuoso Amp, Meze Audio 99 Classic and 99 Neo, Beyerdynamic DT770Pro 600 ohm, 1More Triple Driver Over Ear, 1More Triple Driver IEM
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Originally posted by Bill Hart View PostNo shame in that, as my now late friend said, when he started selling Porsches instead of Ferraris. For people who aren't obsessed with this stuff, that's real money.Steve Lefkowicz
Senior Associate Editor at Positive Feedback
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Analog 1: Linn LP12 (MOSE/Hercules II), Ittok, Dynavector 10X5 MK.II Low, iPhono2/iPowerX; Analog 2: Pro-Ject RPM-1 Carbon, Talisman S, iFi iPhono.
Digital: Geekom Mini PC (i5, 16GB RAM, 512GB SSD, JRiver Media Center 29, Tidal HiFi, Qobuz Studio), iFi NEO iDSD, iFi iUSB3, iPurifier2, Audioquest Jitterbug FMJ.
Electronics: Jolida Fusion (fully upgraded) line-stage, DIY passive line-stage, Antique Sound Labs MG-SI15DT-S, Burson Timekeeper Virtuoso
Speakers: Tekton Perfect SET 15, Tekton Lore, Magneplaner .7
Interconnects: Morrow Audio MA1, Vermouth Audio Black Pearl, Audioquest Evergreen
Speaker cables: WyWyres Diamond, Morrow Audio SP4, Vermouth Audio Red Velvet, Audioquest Type 5
Digital cables: Aural Symphonics USB, iFi Gemini twin-head USB.
Accessories: Sound Organization turntable shelf, Mondo racks, Pangea Audio Vulcan rack, Pi Audio Group Über BUSS, Monster HTS2000 power conditioner, Kinetronics anti-static brush, Pro-Ject VC-S record cleaner, Spin Clean record cleaner.
Headphones: Schiit Valhalla amp, Burson Conductor Virtuoso Amp, Meze Audio 99 Classic and 99 Neo, Beyerdynamic DT770Pro 600 ohm, 1More Triple Driver Over Ear, 1More Triple Driver IEM
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That's an interesting choice to use a pentode output tube for a SE amplifier. Any particular reason? Are they running the 6550 as a triode?Myles B. Astor, PhD, Administrator
Senior Editor, Positive-Feedback.com
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-Zellaton Plural Evo speakers
-Goldmund Telos 440 and 1000 Nextgen mono amps
-Goldmund Mimesis 37S Nextgen preamplifier
-Doshi EVO and Goldmund PH3.8 phonostage
-VPI Vanquish direct-drive turntable
-VPI 12-inch 3D Fat Boy dual pivot tonearm, VPI 12-inch 3D Fat Boy gimballed and SAT LM-12 arm
-Lyra Atlas SL Lambda, vdh Colibri Master Signature, Mutech Hayabusa,
-Technics RS1506 with Flux Magnetic heads, Doshi V3.0 tape stage (balanced)
-Assorted cables including Skogrand, Kubala-Sosna, Audience FrontRow; Audience FrontRow, Genesis Advanced Technologies , Goldmund and Ensemble Power Cords
-Accessories including Stillpoint Aperture panels, Cathedral Sound panels, Furutech NCF Nano AC receptacles; Silver Circle Tchaik 6 PLC, Symposium ISIS and SRA Craz 3 racks, Audiodharma Cable Cooker, Symposium Ultra and assorted SRA OHIO Class 2.3+ platforms.
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Yes, but I don't think it is that uncommon. My Antique sound Labs amp runs a KT88 single ended for 5 watts, though it offers a triode/pentode switch and puts out 15 watts in pentode mode (which I feel sounds better with my primary speakers). The Almarro A205A is a single ended EL84 amp that sounds wonderful with about 3 or 4 watts output.
Big benefit of these is cost. You don't have to spend crazy priced for exotic or vintage triode tubes. The last really nice pair of matched KT88s I bought were about $70/pair.Steve Lefkowicz
Senior Associate Editor at Positive Feedback
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Analog 1: Linn LP12 (MOSE/Hercules II), Ittok, Dynavector 10X5 MK.II Low, iPhono2/iPowerX; Analog 2: Pro-Ject RPM-1 Carbon, Talisman S, iFi iPhono.
Digital: Geekom Mini PC (i5, 16GB RAM, 512GB SSD, JRiver Media Center 29, Tidal HiFi, Qobuz Studio), iFi NEO iDSD, iFi iUSB3, iPurifier2, Audioquest Jitterbug FMJ.
Electronics: Jolida Fusion (fully upgraded) line-stage, DIY passive line-stage, Antique Sound Labs MG-SI15DT-S, Burson Timekeeper Virtuoso
Speakers: Tekton Perfect SET 15, Tekton Lore, Magneplaner .7
Interconnects: Morrow Audio MA1, Vermouth Audio Black Pearl, Audioquest Evergreen
Speaker cables: WyWyres Diamond, Morrow Audio SP4, Vermouth Audio Red Velvet, Audioquest Type 5
Digital cables: Aural Symphonics USB, iFi Gemini twin-head USB.
Accessories: Sound Organization turntable shelf, Mondo racks, Pangea Audio Vulcan rack, Pi Audio Group Über BUSS, Monster HTS2000 power conditioner, Kinetronics anti-static brush, Pro-Ject VC-S record cleaner, Spin Clean record cleaner.
Headphones: Schiit Valhalla amp, Burson Conductor Virtuoso Amp, Meze Audio 99 Classic and 99 Neo, Beyerdynamic DT770Pro 600 ohm, 1More Triple Driver Over Ear, 1More Triple Driver IEM
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