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You can order input voltage 117V, 220V, 230V, 240V.

I dont open information about schematic, parts, transformer using in my amplifier. My brand name is the guarantee to what I do with my production !!!

For all item on eBay, I will discount 10% or more of listing price, contact for more detail.

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Preamplifiers


Total 110 Items.
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  • Recommendation

2A3 tube amplifier preamp Zero NFB ( O.F.A.T included ) buffer preamp using 12AX7 driver tube

Preamp tube amplifier using ouput transformer, 2A3 was used for output tube. Recitifier tube is 5U4, driver tube is 12AX7. Ortofon Finemet Attenuator Transformer included.

LCR tube preamp with separated power supply, regulator voltage 300B

Sales price: $ 3,200(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
LCR tube preamp with 6Dj8 and 396A tube. 300B tube was used for regulator voltage to power supply.
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  • Recommendation

300B tube amplifier preamp Zero NFB ( O.F.A.T included ) buffer preamp using 12AU7 driver tube

Preamp tube amplifier using ouput transformer, 300B was used for output tube. Recitifier tube is 5U4, driver tube is 417A. Ortofon Finemet Attenuator Transformer included.
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  • Recommendation

EF37-71A/101D tube pre-amplifier, headphone amplifier regulator voltage 6DJ8-6V6

71A tube preamplifier with drive tube is EF37/6J7G. Output tube can be order to use VT-25, VT-52, 45, 2A3 tube. This amp can be used with both 101D and 71A rotation. This is headphone amp and preamp.
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  • Recommendation

300B tube amplifier preamp Zero NFB ( O.F.A.T included ) buffer preamp using 417 driver tube

Preamp tube amplifier using ouput transformer, 300B was used for output tube. Recitifier tube is 5U4, driver tube is 417A. Ortofon Finemet Attenuator Transformer included.
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  • Recommendation

417A-71A/101D tube pre-amplifier, Walnut wooden board, cooper plate voltage regulator 6DJ8-6V6

71A tube preamplifier with drive tube is 417A. Output tube can be changed to VT-25, VT-52, 45, 2A3 tube. Luxury Walnut wooden board. This amp can be used with both 101D and 71A rotation.

"The six senses" 101D/71A Preamp, LCR phono tube preamplifier

LCR tube preamp with using 101D tube in output stage. Phono is LCR block.
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  • Recommendation

300B tube amplifier preamp, buffer preamp using 417 driver tube

Preamp tube amplifier using ouput transformer, 300B was used for output tube. Recitifier tube is 5U4, driver tube is 417A.
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  • Recommendation

DAC, USB decoder tube amplifier buffer preamp (power amp) using VT-62/801A tube

DAC, USB decoder using VT-62 tube for ouput, transformer was used for output. It can be used as DAC preamp as well as power amp (7W of output power). Recitifier tube is 5Y3, driver tube is 396A.
This product is currently sold out.
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VT-52 tube SE amplifier stereo, driver tube 71A, 101D

VT-52 power amplifier, driver tube 71A, can be used 101D without modify or adjustment. Output power is 4.5W(8 ohm ) or 8.5W(16ohm). very beautiful and rich sound.
This product is currently sold out.
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  • Recommendation

DAC, USB decoder tube amplifier buffer preamp (power amp) using 211/845 tube

DAC, USB decoder using 211/84 tube for ouput, transformer was used for output. It can be used as DAC preamp as well as power amp (6W of output power). Recitifier tube is 6AX4 x 2, driver tube is 396A.
This product is currently sold out.
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[ONLY ONE] Tube preamp with phono stage with 30s year Thordarson output transformers

Only one was made. Preamp with phono amp stage, output transformer is Extra rare 30s year Thordarson output transformers. Sound is nearly same as Western style sound.
This product is currently sold out.

Special order made 300B/PX25 Preamp, buffer amplifier wenge wooden case

Tube preamp with using 300B tube in output stage with Wenge wooden case. 3 inputs and one output RCA.
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  • Recommendation

DAC, USB decoder tube amplifier preamp (power amp) No NFB class A

DAC, USB decoder using 717A/42 tube for ouput, output transformer is Western Electric. Beautiful sound. Rectifier tube is 80 tube.
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  • Recommendation

[ PROTOTYPE SALE ] LCR phono preamp with separated power supply

LCR phono tube preamp with 6Dj8 x4. This is prototype version. 6V6 tube was used for regulator voltage to power supply. There is no volume control.
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MM phono preamp CR type with NP-216 ouput transformer * ALL tubes are 396A, 6V6 tube for regulation

Special order made phono stage preamplifier. Using We396A, 5670 in phono stage and output stage. Highest quality parts was used for the best sound ever.