Active since 1984
TP143A

35W Electrostatic headphone tube amplifier power supply

Model reference
TPMS-35-7-A
Nominal output power
35W
Multiple output voltages
+5V, +7V, +12.6V, +15V, -15V, +260V, +780V

TP143A

35W Power supply designed for a high end electrostatic headphone tube amplifier.

TP143A 35W Electrostatic headphone tube amplifier power supply

Overview

35W power supply
3 converters
  • :
    Main converter with a nominal output power of 27W providing +12.6V and ±15V
  • :
    Auxiliary converter with a nominal output power of 4W providing a continuous +5V and a switched +7V output
  • :
    A high-voltage converter of nominal 8W providing a +260V and +780V output voltage
The switched +7V output , main converter and high-voltage converter can be switched on and off by an external input
Low standby power

Application

High end electrostatic headphone tube amplifier

Input

Universal input voltage range
  • :
    90 - 264 Vac
Input power
  • :
    Pin < 500mW at 5V/25mA
Leakage current
  • :
    1 mA RMS max.
Efficiency
  • :
    > 78%
Class I

Output

Nominal output power
  • :
    35W
Max. total output power
  • :
    68W
Multiple output voltages
  • :
    +5V
  • :
    +7V
  • :
    +12.6V
  • :
    +15V
  • :
    -15V
  • :
    +260V
  • :
    +780V

Protections

Under / overvoltage protection
Overload / short circuit protection
Automatic latch-off functionality
Automatic fault recovery (hiccup restart) functionality
Overtemperature protection
  • :
    The aux. converter switches-off when an overtemperature condition at the primary switcher is met
Microprocessor controlled protections

Certificates

CE marked

Safety & EMC

IEC/EN/UL 60065
IEC/EN/UL 62368-1
IEC/EN 61558-1
EN 55014
2014/35/EU
2004/108/EC
IEC/EN 61000-3-2
IEC/EN 61000-3-3
IEC/EN 61000-4-2
IEC/EN 61000-4-3
IEC/EN 61000-4-4
IEC/EN 61000-4-5
IEC/EN 61000-4-6
IEC/EN 61000-4-11
IEC/EN 61000-6-1
IEC/EN 61000-6-2
IEC/EN 61000-6-3
IEC/EN 61000-6-4

Cooling

Limited air convection

Construction

Enclosed frame
  • :
    Nickel plated steel

Connections

Input
  • :
    3 pins mains C14 appliance inlet in accordance with IEC EN60320
Output
  • :
    4 wire bundles with 2 to 6 pins connectors

Dimensions & Weight

Dimensions (L X W X H)
  • :
    226 x 50 x 70 mm
  • :
    9 x 2 x 2.8 inch
Weight
  • :
    0.85 KG