Fostex LM16 manual Block diagram

A+48V P48V (1-8)

P48V (9-16)

ON/OFF

ON/OFF

TIP: SEND

RING: RETURN

P48 (1-8) INSERT

INPUT 1~8										1	2
			VOL IC			-∞	~ +10dB			3	4
MIC										ST BUS ON/OFF
			(LIMITER)							1	2
	GAIN1: +28dB					CH1-8 FADER		CH1 PAN
		Low Cut Filter
	GAIN2: +5dB	80Hz, -12dB/oct					MUTE			3	4
+										GROUP1-2 ON/OFF
+	BAL		BA		A/D	INPUT				1	2
						EQ		CH1 EFF		3	4
				PEAK	1	H: 12kHz			GROUP3-4 ON/OFF
		MIC1: -60 ~ -35dBu	TRIM			M: 100-8kHz
		MIC2: -37 ~ -12dBu			2	L: 80Hz		PRE/POST		AUX 1
		LINE1: -40 ~ -15dBu (37.8 ~ -12.8dBV)				+/-18dB
		LINE2: -17 ~ +8dBu (-14.8 ~ +10.2dBV)
ATT: -20dB										AUX 2
LINE
										AUX 3
							SOLO		-∞
										~ +10dB
P48 (9-16)
INPUT 9~14										1	2
						-∞	~ +10dB			3	4
MIC			VOL IC						ST BUS ON/OFF
			(LIMITER)			CH9-14 FADER		CH16 PAN		1	2
		Low Cut Filter
							MUTE			3	4
+		80Hz, -12dB/oct
									GROUP1-2 ON/OFF
+	BAL		BA		A/D	INPUT				1	2

ST	GROUP	EFF	AUX	SOLO
L R	1 2 3 4		1 2 3

-∞

AUX SEND1

SOLO		AUX SEND2
SOLO		AUX SEND3
SOLO		EFF SEND
SOLO
	INTERNAL	EFFECT
	EFFECT
		ON/OFF

EFF RTN L-R

EFF RTN 1-2

EFF RTN 3-4

EFF RTN AUX1

EFF RTN AUX2

~ +10dB

LIMITER

LEVEL

L R

DA

DA

AUX SEND1

AUX SEND2

(-2dBu)

AUX SEND3

EFF SEND

35

				1	EQ	CH16 EFF	3	4
		MIC1: -60 ~ -35dBu		PEAK	H: 12kHz		GROUP3-4 ON/OFF
			TRIM		M: 100-8kHz
		MIC2: -37 ~ -12dBu
				2	L: 80Hz	PRE/POST	AUX 1
		LINE1: -40 ~ -15dBu (37.8 ~ -12.8dBV)
		LINE2: -17 ~ +8dBu (-14.8 ~ +10.2dBV)			+/-18dB
ATT: -20dB
LINE							AUX 2
							AUX 3
					SOLO
							-∞~ +10dB
P48 (9-16)
INPUT 15~16							1	2
					-∞~ +10dB		3	4
MIC			VOL IC				ST BUS ON/OFF
			(LIMITER)		CH15-16 FADER	CH16 PAN	1	2
		Low Cut Filter
					MUTE		3	4
+		80Hz, -12dB/oct
				A/D	INPUT/SUB IN		GROUP1-2 ON/OFF
+	BAL		BA		INPUT		1	2
				1	EQ	CH16 EFF	3	4
		MIC1: -60 ~ -35dBu		PEAK	H: 12kHz		GROUP3-4 ON/OFF
			TRIM		M: 100-8kHz
		MIC2: -37 ~ -12dBu
				2	L: 80Hz	PRE/POST	AUX 1
		LINE1: -40 ~ -15dBu (37.8 ~ -12.8dBV)
		LINE2: -17 ~ +8dBu (-14.8 ~ +10.2dBV)			+/-18dB

ATT: -20dB	SUB IN	AUX 2
LINE

EFF RTN AUX3

-∞~ +10dB

LR/12/34/EFF

MONITOR SW

GROUP1

FDR
	TO ST
GROUP2
FDR
	TO ST
GROUP3
FDR
	TO ST
GROUP4		LIMITER
FDR
	TO ST

1
SOLO	PHONES VOL
2
MONITOR VOL	BA	PHONES
SOLO	BA
DA
	BA	L
	BA	MONITOR OUT
		(-12dBV)
		R
BA	1
BA
DA
BA	2
BA	GROUP OUT
BA	3 (+4dBu)
BA
DA
BA	4
BA

Block diagram

GND

AUX 3

SOLO

-∞~ +10dB

-∞~ +10dB

FDR

L

SUB IN

(-10dBV)

BA

BA

SUB IN

A/D	SUB IN
	SUB IN

	BA		STEREO OUT (+4dBu)
ST OUT L	BA
	DA
ST OUT R
FDR
	BA	R
	BA
-∞~ +10dB	OUTPUT LIMITER
	ON/OFF
	BA	L	ST MIX OUT
	DA		(-10dBV)
	BA	R

Model LM16

-∞~ +20dB

[Mixer basics]