diff --git a/src/mess/drivers/orao.c b/src/mess/drivers/orao.c
index 6c275196333..04090619ef8 100644
--- a/src/mess/drivers/orao.c
+++ b/src/mess/drivers/orao.c
@@ -14,7 +14,7 @@
 
 #include "emu.h"
 #include "cpu/m6502/m6502.h"
-#include "sound/dac.h"
+#include "sound/speaker.h"
 #include "sound/wave.h"
 #include "includes/orao.h"
 #include "imagedev/cassette.h"
@@ -183,8 +183,8 @@ static MACHINE_CONFIG_START( orao, orao_state )
 
 	/* audio hardware */
 	MCFG_SPEAKER_STANDARD_MONO("mono")
-	MCFG_SOUND_ADD("dac", DAC, 0)
-	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 8.00)
+	MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0)
+	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
 	MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
 	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
 
diff --git a/src/mess/includes/orao.h b/src/mess/includes/orao.h
index 6d63dc86049..abd6a619529 100644
--- a/src/mess/includes/orao.h
+++ b/src/mess/includes/orao.h
@@ -8,7 +8,7 @@
 
 #ifndef ORAO_H_
 #define ORAO_H_
-#include "sound/dac.h"
+#include "sound/speaker.h"
 #include "imagedev/cassette.h"
 
 class orao_state : public driver_device
@@ -19,9 +19,10 @@ public:
 		m_memory(*this, "memory"),
 		m_video_ram(*this, "video_ram"),
 		m_maincpu(*this, "maincpu"),
-		m_dac(*this, "dac"),
+		m_speaker(*this, "speaker"),
 		m_cassette(*this, "cassette"),
-		m_line(*this, "LINE")
+		m_line(*this, "LINE"),
+		m_beep(0)
 	{ }
 
 	DECLARE_READ8_MEMBER(orao_io_r);
@@ -36,9 +37,10 @@ private:
 	required_shared_ptr<UINT8> m_memory;
 	required_shared_ptr<UINT8> m_video_ram;
 	required_device<cpu_device> m_maincpu;
-	required_device<dac_device> m_dac;
+	required_device<speaker_sound_device> m_speaker;
 	required_device<cassette_image_device> m_cassette;
 	required_ioport_array<20> m_line;
+	UINT8 m_beep;
 };
 
 #endif /* ORAO_H_ */
diff --git a/src/mess/machine/orao.c b/src/mess/machine/orao.c
index 681b9a415eb..5540d9092fb 100644
--- a/src/mess/machine/orao.c
+++ b/src/mess/machine/orao.c
@@ -74,6 +74,7 @@ WRITE8_MEMBER(orao_state::orao_io_w)
 {
 	if (offset == 0x0800)
 	{
-		m_dac->write_unsigned8(data); //beeper
+		m_speaker->level_w(m_beep);
+		m_beep ^= 1;
 	}
 }