diff --git a/scripts/src/bus.lua b/scripts/src/bus.lua
index 1a9fb3d0fd8..2ee84a13754 100644
--- a/scripts/src/bus.lua
+++ b/scripts/src/bus.lua
@@ -2386,6 +2386,8 @@ if (BUSES["CENTRONICS"]~=null) then
 		MAME_DIR .. "src/devices/bus/centronics/comxpl80.h",
 		MAME_DIR .. "src/devices/bus/centronics/covox.cpp",
 		MAME_DIR .. "src/devices/bus/centronics/covox.h",
+		MAME_DIR .. "src/devices/bus/centronics/dac_r2r.cpp",
+		MAME_DIR .. "src/devices/bus/centronics/dac_r2r.h",
 		MAME_DIR .. "src/devices/bus/centronics/dsjoy.cpp",
 		MAME_DIR .. "src/devices/bus/centronics/dsjoy.h",
 		MAME_DIR .. "src/devices/bus/centronics/epson_ex800.cpp",
diff --git a/src/devices/bus/centronics/ctronics.cpp b/src/devices/bus/centronics/ctronics.cpp
index 1dda2343bc6..c162a23899f 100644
--- a/src/devices/bus/centronics/ctronics.cpp
+++ b/src/devices/bus/centronics/ctronics.cpp
@@ -134,6 +134,7 @@ device_centronics_peripheral_interface::~device_centronics_peripheral_interface(
 #include "printer.h"
 #include "covox.h"
 #include "chessmec.h"
+#include "dac_r2r.h"
 
 void centronics_devices(device_slot_interface &device)
 {
@@ -147,4 +148,5 @@ void centronics_devices(device_slot_interface &device)
 	device.option_add("covox", CENTRONICS_COVOX);
 	device.option_add("covox_stereo", CENTRONICS_COVOX_STEREO);
 	device.option_add("chessmec", CENTRONICS_CHESSMEC);
+	device.option_add("dac_r2r", CENTRONICS_DAC_R2R);
 }
diff --git a/src/devices/bus/centronics/dac_r2r.cpp b/src/devices/bus/centronics/dac_r2r.cpp
new file mode 100644
index 00000000000..17b673a3f3f
--- /dev/null
+++ b/src/devices/bus/centronics/dac_r2r.cpp
@@ -0,0 +1,54 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+
+#include "emu.h"
+#include "dac_r2r.h"
+#include "sound/volt_reg.h"
+#include "speaker.h"
+
+//**************************************************************************
+//  DEVICE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(CENTRONICS_DAC_R2R, centronics_dac_r2r_device, "dac_r2r", "Centronics R-2R DAC (DIY)")
+
+
+/***************************************************************************
+    IMPLEMENTATION
+***************************************************************************/
+//-------------------------------------------------
+//  centronics_dac_r2r_device - constructor
+//-------------------------------------------------
+
+centronics_dac_r2r_device::centronics_dac_r2r_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+	: device_t(mconfig, CENTRONICS_DAC_R2R, tag, owner, clock)
+	, device_centronics_peripheral_interface( mconfig, *this )
+	, m_dac(*this, "dac")
+	, m_data(0)
+{
+}
+
+//-------------------------------------------------
+//  device_add_mconfig - add device configuration
+//-------------------------------------------------
+
+void centronics_dac_r2r_device::device_add_mconfig(machine_config &config)
+{
+	/* sound hardware */
+	SPEAKER(config, "speaker").front_center();
+	DAC_8BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5);
+	voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
+	vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
+	vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
+}
+
+void centronics_dac_r2r_device::device_start()
+{
+	save_item(NAME(m_data));
+}
+
+void centronics_dac_r2r_device::update_dac()
+{
+	if (started())
+		m_dac->write(m_data);
+}
diff --git a/src/devices/bus/centronics/dac_r2r.h b/src/devices/bus/centronics/dac_r2r.h
new file mode 100644
index 00000000000..e6cd7871db1
--- /dev/null
+++ b/src/devices/bus/centronics/dac_r2r.h
@@ -0,0 +1,49 @@
+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+
+#ifndef MAME_BUS_CENTRONICS_DAC_R2R_H
+#define MAME_BUS_CENTRONICS_DAC_R2R_H
+
+#pragma once
+
+#include "ctronics.h"
+#include "sound/dac.h"
+
+// ======================> centronics_dac_r2r_device
+
+class centronics_dac_r2r_device : public device_t,
+	public device_centronics_peripheral_interface
+{
+public:
+	// construction/destruction
+	centronics_dac_r2r_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+	// device-level overrides
+	virtual void device_start() override;
+
+	// optional information overrides
+	virtual void device_add_mconfig(machine_config &config) override;
+
+	virtual DECLARE_WRITE_LINE_MEMBER( input_data0 ) override { if (state) m_data |= 0x01; else m_data &= ~0x01; update_dac(); }
+	virtual DECLARE_WRITE_LINE_MEMBER( input_data1 ) override { if (state) m_data |= 0x02; else m_data &= ~0x02; update_dac(); }
+	virtual DECLARE_WRITE_LINE_MEMBER( input_data2 ) override { if (state) m_data |= 0x04; else m_data &= ~0x04; update_dac(); }
+	virtual DECLARE_WRITE_LINE_MEMBER( input_data3 ) override { if (state) m_data |= 0x08; else m_data &= ~0x08; update_dac(); }
+	virtual DECLARE_WRITE_LINE_MEMBER( input_data4 ) override { if (state) m_data |= 0x10; else m_data &= ~0x10; update_dac(); }
+	virtual DECLARE_WRITE_LINE_MEMBER( input_data5 ) override { if (state) m_data |= 0x20; else m_data &= ~0x20; update_dac(); }
+	virtual DECLARE_WRITE_LINE_MEMBER( input_data6 ) override { if (state) m_data |= 0x40; else m_data &= ~0x40; update_dac(); }
+	virtual DECLARE_WRITE_LINE_MEMBER( input_data7 ) override { if (state) m_data |= 0x80; else m_data &= ~0x80; update_dac(); }
+
+private:
+	required_device<dac_byte_interface> m_dac;
+
+	void update_dac();
+
+	uint8_t m_data;
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(CENTRONICS_DAC_R2R, centronics_dac_r2r_device)
+
+
+#endif // MAME_BUS_CENTRONICS_DAC_R2R_H