AudioOutputAnalog to default to 1.2V range

output_dac.cpp

 void AudioOutputAnalog::begin(void)
 {
 	SIM_SCGC2 |= SIM_SCGC2_DAC0;
-	DAC0_C0 = DAC_C0_DACEN | DAC_C0_DACRFS; // 3.3V VDDA is DACREF_2
+	DAC0_C0 = DAC_C0_DACEN;                   // 1.2V VDDA is DACREF_2
+	//DAC0_C0 = DAC_C0_DACEN | DAC_C0_DACRFS; // 3.3V VDDA is DACREF_2
 	// slowly ramp up to DC voltage, approx 1/4 second
 	for (int16_t i=0; i<128; i++) {
 		analogWrite(A14, i);