Zeck Audio PT-series User Manual

Zeck Audio PT-series

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B e d i e n u n g s a n l e i t u n g

Owner's Manual

Mode d'emploi

Manual de

f u n c i o n a m i e n t o

PT series

stereo power amps

R

Table of Contents

Questions and Answers:

C
Charles WatsonJul 30, 2025
What to do if the 'Protect' LED remains red on my Zeck Audio Amplifier?
- C
  Christopher WalkerJul 31, 2025
  If the 'Protect' LED on your Zeck Audio Amplifier stays red after you turn it on, it indicates that the output protection relay has been activated. Check the speaker cables for any short circuits or incorrect wiring. Ensure that the MODE selector switch is set correctly. Also, verify the amplifier's temperature and air supply, and inspect the speakers and crossover networks for short circuits. If the issue persists, the output stage may require professional service.
Z
Zachary ChandlerAug 8, 2025
Why does the NLR control remain lit for a prolonged time on my Zeck Audio Amplifier?
- A
  Antonio FerrellAug 9, 2025
  If the NLR control on your Zeck Audio Amplifier stays lit for a long time, it means the amplifier is constantly limiting output power to prevent distortion. To resolve this, check the input level and ensure the output load is not less than 2 ohms. Also, inspect the speakers and crossovers. If problems continue, the output stage may require qualified service.

Zeck Audio PT-series Specifications

General

Type	Power Amplifier
Series	PT-series
Signal-to-Noise Ratio	>100 dB
Frequency Response	20 Hz - 20 kHz
Input Impedance	20 kOhms (balanced), 10 kOhms (unbalanced)
Output Impedance	4Ω, 8Ω
Weight	12 kg
Dimensions	483 x 88 x 360 mm

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