Herron Audio M150 Owner's Manual

Solid state power amplifier

Enlarged version

Owner's Manual

M150

Solid State

Power Ampliﬁer

Please read the Owner's Manual completely BEFORE operating the unit.

Table of Contents

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Page 1 Owner’s Manual M150 M150 M150 Solid State Solid State Solid State Power Ampliﬁer Power Ampliﬁer Power Ampliﬁer Please read the Owner’s Manual completely BEFORE operating the unit.
Page 2 © 2002 Herron Audio Division of Herron Engineering, Inc. M150 runs cool under most lis- at the input of the M150 will be 12685 Dorsett Road tening conditions and provides nulled out over time and higher...
Page 3 If d.c. persists at the inputs of the M150 the output of the ampliﬁer will remain off and the voltage light will blink on and off until the d.c. is at a low enough level for safe operation.
Page 4 M150. The M150 is capa- location and could cause the ble of producing 150 watts at 8 unit to shut down.
Page 5 The over-cur- B. Check speaker terminations ﬁers are used in an open area for rent trip circuits will engage under C. Check the interconnect terminations at the M150 and best operation and prolonged life. those operating conditions. at the preampliﬁer.
Page 6 5. The power light comes on but the voltage light never comes on. Input Impedance 220k Ohms A. The M150 contains two AGC 6 amp internal rail fuses Speaker Fuse AGC 6 amp supplied, value to be selected by (F2 and F3) located on the p.c. board for circuit protec- user for proper speaker protection.