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T4

headphone amplifi er

Owner’s Manual

beezar audio

ecp audio

Содержание ecp audio T4

Страница 1: ...T4headphone amplifier Owner s Manual beezar audio ecp audio...

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Страница 3: ...Published by Beezar Audio March 2019 Copyright 2019 Beezar L L C All Rights Reserved http www ecpaudio com http www beezar com http www beezaraudio com 3...

Страница 4: ...oling slots or the tube holes If a foreign object or liquid falls into the ampli fier immediately switch off the power and disconnect the amplifier from the wall outlet Do not touch the unit until it...

Страница 5: ...rear of the amplifier Power Sources If the unit is left unused for an extended period disconnect the ampli fier from the wall outlet Non Use The amplifier is set up as either 110VAC or 220VAC NOT BOTH...

Страница 6: ...ack into a single ended connection at the headphone jack Because of the fully differ ential circuit common mode distortion is fully cancelled out At the same time the solid state buffer output after t...

Страница 7: ...Dynamic Range dB A weighted 94 6 94 4 97 1 THD 0 014 0 089 0 169 IMD Noise A weighted 0 009 0 051 0 096 Stereo Crosstalk dB 79 7 81 4 83 1 Power mW 1kHz 290 4 314 1 239 0 Vpp 26 4 14 0 10 8 Vp 13 2 7...

Страница 8: ...headphones may connect directly without an adapter Volume control Output impedance switch Up for high impedance headphones 300 ohms Down for low impedance headphones 75 ohms or less Note that output i...

Страница 9: ...11 7 7 11 1 1 11 1 1 11 2 2 11 3 3 T4 Headphone Amplifi er Serial Number RCA Jacks Input Cooling Slots Do NOT Block 11 4 4 Power Switch 11 5 5 11 6 6 11 7 7 Fuse Drawer IEC Connector for wall power In...

Страница 10: ...11 3 3 11 2 2 11 1 1 11 4 4 11 8 8 11 7 7 11 6 6 11 5 5 Top Panel 10...

Страница 11: ...he tube holes or cooling slots to pop the lid up The lid is tightly fi t and will be wedged into place Once popped up use your hands to gently remove the lid Further details can be found in the Tubes...

Страница 12: ...mup Generally speaking the tubes are sufficiently warmed up in about a minute after turning the power on Contrary to many reports great listening can be achieved very quickly after powering on the amp...

Страница 13: ...osted white If that occurs do not use the tube Use the tube boxes if the tubes are not plugged into the amplifier They provide isolation and cushioning Many of the NOS tubes that we use have been succ...

Страница 14: ...d slightly different construction methods and parts to construct the tubes that ended up with the same designation As a result there are differ ences in sound signature Tube Rolling is the general ter...

Страница 15: ...rom the case Or use something that can hook underneath one of the tube holes or cooling slots something that will not scratch and lift the lid You should only pop the lid up enough that you can get yo...

Страница 16: ...42 5 180 225 Tall tube 10 000 hr ra ng Do not use for long periods heat buildup 6829 39 150 225 Tall tube very similar to 6414 Do not use for long periods heat buildup 7728 60 250 150 Very rare ECC80...

Страница 17: ...ch setting the amplifier is optimized for 75 ohms This is ideal for headphones such as the Focal Clear AKG 701 family and the inexpensive Koss KSC 75 As can be seen from the power specifications in th...

Страница 18: ...ere one or two jumpers set the line voltage for the amplifier By using these jumpers you may change the line voltage of the amplifier to either 110 120VAC or 220 240VAC WARNING Do not attempt this und...

Страница 19: ...VAC 220 240VAC Two jumpers One on A B One on C D One jumper only on B C FUSE If you change the voltage setting don t forget to also change the fuse at the IEC inlet This is a small plug in drawer in t...

Страница 20: ...th Beezar Audio ECP Audio continues to produce many custom built high end designs to the audiophile com munity Contact them at http www ecpaudio com beezar audio Beezar Audio http www beezar com and i...

Страница 21: ...the remaining warranty of the original purchase or 180 days from the date of repair whichever is longer While this warranty excludes tubes NOS tubes can sometimes be sus ceptible to unpredictable defe...

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Страница 23: ...es the following ECP Audio DSHA style fully differential buffer output Lundahl high quality output transformers no capacitors Fully linear regulated power supplies Cirrus Logic Wolfson WM8741 DAC chip...

Страница 24: ...beezar audio March 2019...

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