Viper OTL Headphone Amplifier
Users' Manual
Rev Dec.. 1/19
Mapletree Audio Design
Al Freundorfer
R. R. 1, Seeley's Bay, Ontario, Canada, K0H 2N0
(613) 387-3830
www.mapletreeaudio.com
[email protected]
©
Copyright Al Freundorfer 2016
0
Страница 1: ...phone Amplifier Users Manual Rev Dec 1 19 Mapletree Audio Design Al Freundorfer R R 1 Seeley s Bay Ontario Canada K0H 2N0 613 387 3830 www mapletreeaudio com info mapletreeaudio com Copyright Al Freun...
Страница 2: ...ble with a 120 VAC line with a frequency of 50 60 Hz A 1A fuse provides primary protection It is located under the chassis and can be accessed by removing the bottom cover of the power supply with the...
Страница 3: ...burn in period of several hours may be needed to achieve the best sonic performance Tube life should be thousands of hours Aging tubes may result in a reduced gain in one or both channels or an incre...
Страница 4: ...ree within the warranty period Additional Notes This manual is an aid to the user for the operation of the Viper Details of the amplifier and power supply circuits are subject to change without notice...
Страница 5: ...MAD OTL Viper Measured Frequency response Maximum undistorted output at 1 kHz Po max Rload 0 2 W 150 0 1 W 300 Overload characteristic 1 kHz 300 Ohm load 4 Vout 2 Vrms Vout 5 5 Vrms...
Страница 6: ...mpedance at 1 kHz 28 Input impedance 50 k Hum and noise at output less than 8 mV rms 112 dB below max output Recommended load impedance 100 600 Phase inverting Power consumption 35 W 120 VAC 240 VAC E...
Страница 7: ...MAD OTL Viper Headphone Amplifier Version 2 Copyright Al P Freundorfer 2019 Rev Dec 1st 2019 6...
