Apt Corporation

Holman Preamplifier

Amplifier, Pre, Amplifier, Headphone, Amplifier, Phono

Main Details
Maker Apt Corporation Company
Function
Form Factor Tabletop
Signal Path Analog Hardware
Made In United States
Power Source 115 VAC / 60 Hz
Displays/Indicators
Power LED On/Off
Connections
Phono 1 RCA (Phono, Cinch) Stereo
Phono 2 RCA (Phono, Cinch) Stereo
Tuner RCA (Phono, Cinch) Stereo
Aux 1 RCA (Phono, Cinch) Stereo
Aux 2 RCA (Phono, Cinch) Stereo
Main Out 1 RCA (Phono, Cinch) Stereo
Main Out 2 RCA (Phono, Cinch) Stereo
Tape 1, out to RCA (Phono, Cinch) Stereo
Tape 1, in from RCA (Phono, Cinch) Stereo
Tape 2, out to RCA (Phono, Cinch) Stereo
Tape 2, in from RCA (Phono, Cinch) Stereo
External Processor, out to RCA (Phono, Cinch) Stereo
External Processor, in from RCA (Phono, Cinch) Stereo
Headphone 1/4" Phone Jack (6.35mm) Stereo
Accessory Outlet, Switched Other Socket (Female)
Accessory Outlet, Unswitched Other Socket (Female)
+18VDC RCA (Phono, Cinch) Socket (Female)
Ground Binding Post
Controls
Parameter: Input Selector
Control Type: Rotary Switch
Range: 5 position
Parameter: Volume
Control Type: Rotary Switch
Range: 32 position
Parameter: Tape 1
Control Type: Latching Push Switch
Range: Input/Off
Parameter: Tape 2
Control Type: Latching Push Switch
Range: Input/Off
Parameter: Dub 1>2
Control Type: Latching Push Switch
Range: Send/Off
Parameter: Dub 2>1
Control Type: Latching Push Switch
Range: Send/Off
Parameter: Balance
Control Type: Rotary Pot
Range: l, Center detent, R
Parameter: Mode
Control Type: Rotary Pot
Range: L+R, Stereo detent, L-R
Parameter: Bass
Control Type: Rotary Pot
Range: Cut, Flat detent, Boost
Parameter: Treble
Control Type: Rotary Pot
Range: Cut, Flat detent, Boost
Parameter: Mute
Control Type: Latching Push Switch
Range: Mute/Unmute
Parameter: External Processor
Control Type: Toggle Switch
Range: Input/Off
Parameter: L>R
Control Type: Toggle Switch
Range: Mono Left/Stereo
Parameter: R>L
Control Type: Toggle Switch
Range: Mono Right/Stereo
Parameter: Bass Mode
Control Type: Toggle Switch
Range: selects different bass adjustment profiles
Parameter: Tone Defeat
Control Type: Toggle Switch
Range: Tone Controls in/out of circuit
Parameter: High Filter
Control Type: Toggle Switch
Range: On/Off
Parameter: Power
Control Type: Latching Push Switch
Range: On/Off
Parameter: Phono 1 Cartridge Termination Load, Resistive
Control Type: Latching Push Switch
Range: 47k/100k ohms
Parameter: Phono 1 Cartridge Termination Load, Capacitive
Control Type: Rotary Switch
Range: 50,100,200,300,400 pFd
Parameter: Infrasonic Filter
Control Type: Latching Push Switch
Range: In/Out

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