MOFI-EMP-Tube-Headphone Amplifier Compared with the commonly reproduction of EMP, we improved: 1?High Voltage?Two-stage buck regulator filter, Two low-pass filter (with a corner frequency of 1.6Hz&16Hz) prevents power noise from being introduced into the amplifier. Provide purer power supply (close to battery). 2?The high-voltage power supply uses MOSFET as pass transistors, which have a sense of tube sound characteristics but rejecting the rectification and regulation noise. 3?high-voltage soft-start feature is included which will take about 5 second to reach the designed voltage protecting the tube from any voltage shock. 4?Using parallel AC heater power supply, the voltage distribution is more accurate, better than the original deign which is series voltage regulator. 5?all-in-one design, single-point grounding, ground resistance is close to the 0.02 ohm resistance value, low noisedesign. 6?PCB is Small with double-sided smt. 7?The triangular tube layout reduces the number of dual-channel common tubes, further improves the separation and reduces crosstalk. 8?More cost-effective sound modification plan. PCB SIZE: 102X152X1.6mm Power requirements: heater volt: AC 6.3V,I?1.2A Best:6.3VAC@2A high volt: AC100~260V,I?0.04A best:120VAC@0.1A Product configuration Finished board: Based on the well-tested board on the standard version kit, we verified all key points' voltage, and used the signal generator and oscilloscope for analog waveform double verification. We will not use this board for listening test. All finished pcbs are all carefully hand-soldered and fully tests, so the price is higher and less cost performance. Price-sensitive consumers but with have DIY ability are recommended to choose the kit. Schematic & key point of debugging PCB comes with component parameters for easy installation. We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally. please keep test point voltage close enough to it, +-20% is also permitted.

MOFI-EMP-Tube-Headphone Amplifier Compared with the commonly reproduction of EMP, we improved: 1?High Voltage?Two-stage buck regulator filter, Two low-pass filter (with a corner frequency of 1.6Hz&16Hz) prevents power noise from being introduced into the amplifier. Provide purer power supply (close to battery). 2?The high-voltage power supply uses MOSFET as pass transistors, which have a sense of tube sound characteristics but rejecting the rectification and regulation noise. 3?high-voltage soft-start feature is included which will take about 5 second to reach the designed voltage protecting the tube from any voltage shock. 4?Using parallel AC heater power supply, the voltage distribution is more accurate, better than the original deign which is series voltage regulator. 5?all-in-one design, single-point grounding, ground resistance is close to the 0.02 ohm resistance value, low noisedesign. 6?PCB is Small with double-sided smt. 7?The triangular tube layout reduces the number of dual-channel common tubes, further improves the separation and reduces crosstalk. 8?More cost-effective sound modification plan. PCB SIZE: 102X152X1.6mm Power requirements: heater volt: AC 6.3V,I?1.2A Best:6.3VAC@2A high volt: AC100~260V,I?0.04A best:120VAC@0.1A Product configuration Finished board: Based on the well-tested board on the standard version kit, we verified all key points' voltage, and used the signal generator and oscilloscope for analog waveform double verification. We will not use this board for listening test. All finished pcbs are all carefully hand-soldered and fully tests, so the price is higher and less cost performance. Price-sensitive consumers but with have DIY ability are recommended to choose the kit. Schematic & key point of debugging PCB comes with component parameters for easy installation. We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally. please keep test point voltage close enough to it, +-20% is also permitted.

MOFI-EMP-Tube-Headphone Amplifier Compared with the commonly reproduction of EMP, we improved: 1?High Voltage?Two-stage buck regulator filter, Two low-pass filter (with a corner frequency of 1.6Hz&16Hz) prevents power noise from being introduced into the amplifier. Provide purer power supply (close to battery). 2?The high-voltage power supply uses MOSFET as pass transistors, which have a sense of tube sound characteristics but rejecting the rectification and regulation noise. 3?high-voltage soft-start feature is included which will take about 5 second to reach the designed voltage protecting the tube from any voltage shock. 4?Using parallel AC heater power supply, the voltage distribution is more accurate, better than the original deign which is series voltage regulator. 5?all-in-one design, single-point grounding, ground resistance is close to the 0.02 ohm resistance value, low noisedesign. 6?PCB is Small with double-sided smt. 7?The triangular tube layout reduces the number of dual-channel common tubes, further improves the separation and reduces crosstalk. 8?More cost-effective sound modification plan. PCB SIZE: 102X152X1.6mm Power requirements: heater volt: AC 6.3V,I?1.2A Best:6.3VAC@2A high volt: AC100~260V,I?0.04A best:120VAC@0.1A Product configuration Finished board: Based on the well-tested board on the standard version kit, we verified all key points' voltage, and used the signal generator and oscilloscope for analog waveform double verification. We will not use this board for listening test. All finished pcbs are all carefully hand-soldered and fully tests, so the price is higher and less cost performance. Price-sensitive consumers but with have DIY ability are recommended to choose the kit. Schematic & key point of debugging PCB comes with component parameters for easy installation. We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally. please keep test point voltage close enough to it, +-20% is also permitted.

MOFI-EMP-Tube-Headphone Amplifier Compared with the commonly reproduction of EMP, we improved: 1?High Voltage?Two-stage buck regulator filter, Two low-pass filter (with a corner frequency of 1.6Hz&16Hz) prevents power noise from being introduced into the amplifier. Provide purer power supply (close to battery). 2?The high-voltage power supply uses MOSFET as pass transistors, which have a sense of tube sound characteristics but rejecting the rectification and regulation noise. 3?high-voltage soft-start feature is included which will take about 5 second to reach the designed voltage protecting the tube from any voltage shock. 4?Using parallel AC heater power supply, the voltage distribution is more accurate, better than the original deign which is series voltage regulator. 5?all-in-one design, single-point grounding, ground resistance is close to the 0.02 ohm resistance value, low noisedesign. 6?PCB is Small with double-sided smt. 7?The triangular tube layout reduces the number of dual-channel common tubes, further improves the separation and reduces crosstalk. 8?More cost-effective sound modification plan. PCB SIZE: 102X152X1.6mm Power requirements: heater volt: AC 6.3V,I?1.2A Best:6.3VAC@2A high volt: AC100~260V,I?0.04A best:120VAC@0.1A Product configuration Finished board: Based on the well-tested board on the standard version kit, we verified all key points' voltage, and used the signal generator and oscilloscope for analog waveform double verification. We will not use this board for listening test. All finished pcbs are all carefully hand-soldered and fully tests, so the price is higher and less cost performance. Price-sensitive consumers but with have DIY ability are recommended to choose the kit. Schematic & key point of debugging PCB comes with component parameters for easy installation. We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally. please keep test point voltage close enough to it, +-20% is also permitted.

MOFI-EMP-Tube-Headphone Amplifier Compared with the commonly reproduction of EMP, we improved: 1?High Voltage?Two-stage buck regulator filter, Two low-pass filter (with a corner frequency of 1.6Hz&16Hz) prevents power noise from being introduced into the amplifier. Provide purer power supply (close to battery). 2?The high-voltage power supply uses MOSFET as pass transistors, which have a sense of tube sound characteristics but rejecting the rectification and regulation noise. 3?high-voltage soft-start feature is included which will take about 5 second to reach the designed voltage protecting the tube from any voltage shock. 4?Using parallel AC heater power supply, the voltage distribution is more accurate, better than the original deign which is series voltage regulator. 5?all-in-one design, single-point grounding, ground resistance is close to the 0.02 ohm resistance value, low noisedesign. 6?PCB is Small with double-sided smt. 7?The triangular tube layout reduces the number of dual-channel common tubes, further improves the separation and reduces crosstalk. 8?More cost-effective sound modification plan. PCB SIZE: 102X152X1.6mm Power requirements: heater volt: AC 6.3V,I?1.2A Best:6.3VAC@2A high volt: AC100~260V,I?0.04A best:120VAC@0.1A Product configuration Finished board: Based on the well-tested board on the standard version kit, we verified all key points' voltage, and used the signal generator and oscilloscope for analog waveform double verification. We will not use this board for listening test. All finished pcbs are all carefully hand-soldered and fully tests, so the price is higher and less cost performance. Price-sensitive consumers but with have DIY ability are recommended to choose the kit. Schematic & key point of debugging PCB comes with component parameters for easy installation. We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally. please keep test point voltage close enough to it, +-20% is also permitted.

MOFI-EMP-Tube-Headphone Amplifier Compared with the commonly reproduction of EMP, we improved: 1?High Voltage?Two-stage buck regulator filter, Two low-pass filter (with a corner frequency of 1.6Hz&16Hz) prevents power noise from being introduced into the amplifier. Provide purer power supply (close to battery). 2?The high-voltage power supply uses MOSFET as pass transistors, which have a sense of tube sound characteristics but rejecting the rectification and regulation noise. 3?high-voltage soft-start feature is included which will take about 5 second to reach the designed voltage protecting the tube from any voltage shock. 4?Using parallel AC heater power supply, the voltage distribution is more accurate, better than the original deign which is series voltage regulator. 5?all-in-one design, single-point grounding, ground resistance is close to the 0.02 ohm resistance value, low noisedesign. 6?PCB is Small with double-sided smt. 7?The triangular tube layout reduces the number of dual-channel common tubes, further improves the separation and reduces crosstalk. 8?More cost-effective sound modification plan. PCB SIZE: 102X152X1.6mm Power requirements: heater volt: AC 6.3V,I?1.2A Best:6.3VAC@2A high volt: AC100~260V,I?0.04A best:120VAC@0.1A Product configuration Finished board: Based on the well-tested board on the standard version kit, we verified all key points' voltage, and used the signal generator and oscilloscope for analog waveform double verification. We will not use this board for listening test. All finished pcbs are all carefully hand-soldered and fully tests, so the price is higher and less cost performance. Price-sensitive consumers but with have DIY ability are recommended to choose the kit. Schematic & key point of debugging PCB comes with component parameters for easy installation. We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally. please keep test point voltage close enough to it, +-20% is also permitted.

MOFI-EMP-Tube-Headphone Amplifier Compared with the commonly reproduction of EMP, we improved: 1?High Voltage?Two-stage buck regulator filter, Two low-pass filter (with a corner frequency of 1.6Hz&16Hz) prevents power noise from being introduced into the amplifier. Provide purer power supply (close to battery). 2?The high-voltage power supply uses MOSFET as pass transistors, which have a sense of tube sound characteristics but rejecting the rectification and regulation noise. 3?high-voltage soft-start feature is included which will take about 5 second to reach the designed voltage protecting the tube from any voltage shock. 4?Using parallel AC heater power supply, the voltage distribution is more accurate, better than the original deign which is series voltage regulator. 5?all-in-one design, single-point grounding, ground resistance is close to the 0.02 ohm resistance value, low noisedesign. 6?PCB is Small with double-sided smt. 7?The triangular tube layout reduces the number of dual-channel common tubes, further improves the separation and reduces crosstalk. 8?More cost-effective sound modification plan. PCB SIZE: 102X152X1.6mm Power requirements: heater volt: AC 6.3V,I?1.2A Best:6.3VAC@2A high volt: AC100~260V,I?0.04A best:120VAC@0.1A Product configuration Finished board: Based on the well-tested board on the standard version kit, we verified all key points' voltage, and used the signal generator and oscilloscope for analog waveform double verification. We will not use this board for listening test. All finished pcbs are all carefully hand-soldered and fully tests, so the price is higher and less cost performance. Price-sensitive consumers but with have DIY ability are recommended to choose the kit. Schematic & key point of debugging PCB comes with component parameters for easy installation. We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally. please keep test point voltage close enough to it, +-20% is also permitted.

MOFI-EMP-Tube-Headphone Amplifier Compared with the commonly reproduction of EMP, we improved: 1?High Voltage?Two-stage buck regulator filter, Two low-pass filter (with a corner frequency of 1.6Hz&16Hz) prevents power noise from being introduced into the amplifier. Provide purer power supply (close to battery). 2?The high-voltage power supply uses MOSFET as pass transistors, which have a sense of tube sound characteristics but rejecting the rectification and regulation noise. 3?high-voltage soft-start feature is included which will take about 5 second to reach the designed voltage protecting the tube from any voltage shock. 4?Using parallel AC heater power supply, the voltage distribution is more accurate, better than the original deign which is series voltage regulator. 5?all-in-one design, single-point grounding, ground resistance is close to the 0.02 ohm resistance value, low noisedesign. 6?PCB is Small with double-sided smt. 7?The triangular tube layout reduces the number of dual-channel common tubes, further improves the separation and reduces crosstalk. 8?More cost-effective sound modification plan. PCB SIZE: 102X152X1.6mm Power requirements: heater volt: AC 6.3V,I?1.2A Best:6.3VAC@2A high volt: AC100~260V,I?0.04A best:120VAC@0.1A Product configuration Finished board: Based on the well-tested board on the standard version kit, we verified all key points' voltage, and used the signal generator and oscilloscope for analog waveform double verification. We will not use this board for listening test. All finished pcbs are all carefully hand-soldered and fully tests, so the price is higher and less cost performance. Price-sensitive consumers but with have DIY ability are recommended to choose the kit. Schematic & key point of debugging PCB comes with component parameters for easy installation. We only refer the schematic of the amplification part of the circuit. If you need full circuit parameter, please read the component value with the PCB by yourself; we do not provide additionally. please keep test point voltage close enough to it, +-20% is also permitted.

Brocksieper Kopfhörerverstärker - Austellungsstück NeuwertigUVP: 829,00 € Hersteller: BrocksieperDesign: Stefan BrocksieperGewicht: 400 g (Verstärker) / 500 g (Netzteil)Gibt es einen besseren Röhren-Kopfhörerverstärker?Der Brocksieper EARMAX PRO Röhren-Kopfhörerverstärker wurde für mittel- bis hochohmige dynamische Kopfhörer in OTL-Class A-Triodentechnik, mit separatem Netzteil vom Wuppertaler Röhrenpabst Stefan Brocksieper entwickelt.Er besitzt eine hochwertige Vollröhrenschaltung mit Noval-Doppeltrioden in Eingangs- und Leistungsstufe (ECC 81 und E 88 CC). Alle Röhren aufwendig handselektiert und geprüft.Der Brocksieper EARMAX PRO Röhren-Kopfhörerverstärker ist komplett Made in Germany und wird in Wuppertal in handwerklicher Kleinserienfertigung hergestellt. Ebenso sind (fast) alle Bauteile wie z.B. Netztrafos, Platinen oder Gehäuseteile aus deutscher Fertigung. Der Verstärker und das Netzteil haben eine sehr hochwertige Steckverbindung von Lemo. Der Brocksieper EARMAX PRO Röhren-Kophörerverstärker wird vor Auslieferung einzeln gemessen und eingebrannt. Das Gerät ist leerlauf- und (weitestgehend) kurzschlussfest.Die technischen Daten des EARMAX PRO Röhren-Kopfhörerverstärkers- Bandbreite: 4 Hz - 1 MHz (600 ? Last) / 7 Hz - 0,6 MHz (35 ? Last)- Frequenzgang: 20... 20000 Hz +/- 0,2 dB- Klirrfaktor (THD): < 0,3% (RL = 35 ?) max. / < 0,04 % (RL = 35 ?) typ. / < 0,1 % (RL = 600 ?) max. < 0.007 % (RL = 600 ?) typ.- Übersprechen: Besser als -80 dB / 10 kHz- Differenzfrequenz-Verzerrung (DFD): Ca. -70 dB (RL = 35 ?)- Brumm, Vol. max.: < -70 dB- Ri: 35 ?- Fremdspannungsabstand: > 90 dB- Ausgangsleistung: > 10 mW (eff.)- Leistungsaufnahme des Netzteils: 11 VAGarantie: 3 Jahre mit Ausnahme der Röhren.Hinweis: Das Gerät kann mit allen dynamischen Kopfhörern betrieben werden, deren Impedanz ? 30 ? ist, optimal geeignet ist das Gerät jedoch für mittel- und hochohmige Kopfhörer (z.B. 200 – 300 ?), wie z.B. der Sennheiser HD 800 S oder der beyerdynamic T 1.Lieferumfang: Ein Brocksieper EARMAX PRO Röhren-Kopfhörerverstärker mit Netzteil und Bedienungsanleitung.Dieses Produkt ist Made in Germany!

Brocksieper Kopfhörerverstärker - AUS DER AUSSTELLUNGUVP: 829,00 € Hersteller: BrocksieperDesign: Stefan BrocksieperGewicht: 400 g (Verstärker) / 500 g (Netzteil)Gibt es einen besseren Röhren-Kopfhörerverstärker?Der Brocksieper EARMAX PRO Röhren-Kopfhörerverstärker wurde für mittel- bis hochohmige dynamische Kopfhörer in OTL-Class A-Triodentechnik, mit separatem Netzteil vom Wuppertaler Röhrenpabst Stefan Brocksieper entwickelt.Er besitzt eine hochwertige Vollröhrenschaltung mit Noval-Doppeltrioden in Eingangs- und Leistungsstufe (ECC 81 und E 88 CC). Alle Röhren aufwendig handselektiert und geprüft.Der Brocksieper EARMAX PRO Röhren-Kopfhörerverstärker ist komplett Made in Germany und wird in Wuppertal in handwerklicher Kleinserienfertigung hergestellt. Ebenso sind (fast) alle Bauteile wie z.B. Netztrafos, Platinen oder Gehäuseteile aus deutscher Fertigung. Der Verstärker und das Netzteil haben eine sehr hochwertige Steckverbindung von Lemo. Der Brocksieper EARMAX PRO Röhren-Kophörerverstärker wird vor Auslieferung einzeln gemessen und eingebrannt. Das Gerät ist leerlauf- und (weitestgehend) kurzschlussfest.Die technischen Daten des EARMAX PRO Röhren-Kopfhörerverstärkers- Bandbreite: 4 Hz - 1 MHz (600 ? Last) / 7 Hz - 0,6 MHz (35 ? Last)- Frequenzgang: 20... 20000 Hz +/- 0,2 dB- Klirrfaktor (THD): < 0,3% (RL = 35 ?) max. / < 0,04 % (RL = 35 ?) typ. / < 0,1 % (RL = 600 ?) max. < 0.007 % (RL = 600 ?) typ.- Übersprechen: Besser als -80 dB / 10 kHz- Differenzfrequenz-Verzerrung (DFD): Ca. -70 dB (RL = 35 ?)- Brumm, Vol. max.: < -70 dB- Ri: 35 ?- Fremdspannungsabstand: > 90 dB- Ausgangsleistung: > 10 mW (eff.)- Leistungsaufnahme des Netzteils: 11 VAGarantie: 3 Jahre mit Ausnahme der Röhren.Hinweis: Das Gerät kann mit allen dynamischen Kopfhörern betrieben werden, deren Impedanz ? 30 ? ist, optimal geeignet ist das Gerät jedoch für mittel- und hochohmige Kopfhörer (z.B. 200 – 300 ?), wie z.B. der Sennheiser HD 800 S oder der beyerdynamic T 1.Lieferumfang: Ein Brocksieper EARMAX PRO Röhren-Kopfhörerverstärker mit Netzteil und Bedienungsanleitung und Toshiba NOS Röhren.Dieses Produkt ist Made in Germany!

Brocksieper Kopfhörerverstärker - Austellungsstück NeuwertigUVP: 829,00 € Hersteller: BrocksieperDesign: Stefan BrocksieperGewicht: 400 g (Verstärker) / 500 g (Netzteil)Gibt es einen besseren Röhren-Kopfhörerverstärker?Der Brocksieper EARMAX PRO Röhren-Kopfhörerverstärker wurde für mittel- bis hochohmige dynamische Kopfhörer in OTL-Class A-Triodentechnik, mit separatem Netzteil vom Wuppertaler Röhrenpabst Stefan Brocksieper entwickelt.Er besitzt eine hochwertige Vollröhrenschaltung mit Noval-Doppeltrioden in Eingangs- und Leistungsstufe (ECC 81 und E 88 CC). Alle Röhren aufwendig handselektiert und geprüft.Der Brocksieper EARMAX PRO Röhren-Kopfhörerverstärker ist komplett Made in Germany und wird in Wuppertal in handwerklicher Kleinserienfertigung hergestellt. Ebenso sind (fast) alle Bauteile wie z.B. Netztrafos, Platinen oder Gehäuseteile aus deutscher Fertigung. Der Verstärker und das Netzteil haben eine sehr hochwertige Steckverbindung von Lemo. Der Brocksieper EARMAX PRO Röhren-Kophörerverstärker wird vor Auslieferung einzeln gemessen und eingebrannt. Das Gerät ist leerlauf- und (weitestgehend) kurzschlussfest.Die technischen Daten des EARMAX PRO Röhren-Kopfhörerverstärkers- Bandbreite: 4 Hz - 1 MHz (600 ? Last) / 7 Hz - 0,6 MHz (35 ? Last)- Frequenzgang: 20... 20000 Hz +/- 0,2 dB- Klirrfaktor (THD): < 0,3% (RL = 35 ?) max. / < 0,04 % (RL = 35 ?) typ. / < 0,1 % (RL = 600 ?) max. < 0.007 % (RL = 600 ?) typ.- Übersprechen: Besser als -80 dB / 10 kHz- Differenzfrequenz-Verzerrung (DFD): Ca. -70 dB (RL = 35 ?)- Brumm, Vol. max.: < -70 dB- Ri: 35 ?- Fremdspannungsabstand: > 90 dB- Ausgangsleistung: > 10 mW (eff.)- Leistungsaufnahme des Netzteils: 11 VAGarantie: 3 Jahre mit Ausnahme der Röhren.Hinweis: Das Gerät kann mit allen dynamischen Kopfhörern betrieben werden, deren Impedanz ? 30 ? ist, optimal geeignet ist das Gerät jedoch für mittel- und hochohmige Kopfhörer (z.B. 200 – 300 ?), wie z.B. der Sennheiser HD 800 S oder der beyerdynamic T 1.Lieferumfang: Ein Brocksieper EARMAX PRO Röhren-Kopfhörerverstärker mit Netzteil und Bedienungsanleitung.Dieses Produkt ist Made in Germany!

Brand: Brokeispier Model: Earmax Pro IIType: Valve headphone amplifier and power supplyCondition: Preowned excellent conditionOperation: Tested & fully operationalPackaging: We use bespoke packaging, safe delivery worldwide is guaranteedShipping: Calculated on checkout