with headphone monitor and level control. New in box with Audacity recording software and user manual. (AP shop tester)
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4-channel mic preamp, all channels checked for noise, all controls tested, mint condition, like new with box and packing.
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61G333 late version model, black face rackmount with handles. With AudioPro modifications Rev5. See "Custom Mods" page for more details! Excellent cosmetics.
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Stereo preamp with headphones out, phono/MM/MC in, aux/tape/CD in, monitor listen switch. Excellent basic audiophile preamp. Professionally cleaned, serviced, tested.
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High performance, solid state design, single channel, one rack space unit. Microphone preamp and equalizer can be used independently. All connections are balanced XLR. Excellent #9+ mint condition, includes manual, original box & packing.
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Need an APT unit serviced or modified? Vince, the owner of Audio Pro, ran the production line at APT for many years, and has decades of experience working with APT products. Read all about our APT Holman service and mods here. Also read about the APT Moving Coil Phono Mod Here.
Phono preamp with RIAA equalization. (This is a Mono Device) , Uses 8-pin socket connector. (1 only) Excellent #9 condition.
(1) Stereo - "Receiver". Modified as AM-FM Tuner pre. 1 - phono, 2 - aux ins, 2 - tape loops, and 1 - CD in. Upgrade power supply parts/caps, speaker wire in to allow use of headphone or units, 2 speaker selector. Black Face #9 condition
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Full function stereo pramplifier, silver face, 120/240v switchable, fully cleaned and tested, truly excellent cosmetic condition.
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Phono Stereo preamp, with dip switches for cartridge impedance matching. Uses RCA in and professional screw terminals out. Unit can operate at AC 120 or 230 volt. Excellent #9 condition.
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Moving coil preamp. 75ohm input impedance. Super low noise top board. Serviced and fully tested, with some capacitor updates. Excellent #9 condition.
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#201/202. Moving coil preamp for Holman. Set for 100ohm input impedance, but can be changed per customer request. All caps updated, with noise check and EQ check. New old stock.
All Remotes are now 25% off or Free Shipping!!! (Reel to Reel remotes excluded).
Tuner, Aux, CD, Phono, Mic inputs. Bass, Mid, and Treble EQ controls. Made minor modifications to make perfect level and EQ match between channels. New stock, QC'ed.
Stereo preamp with Tuner, Aux, CD, Mic, and Phono inputs. Tape, mono, low filter, and muting buttons. Bass, mid, treble, and volume controls. Super tweek modification to EQ and find adjustment of balance. Professionally cleaned and serviced, all controls checked and OK.
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100ohm input. Excellent condition.
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Up to 76dB gain in 6dB increments, selectable high pass filter at 40, 80 and 140Hz, XLR mic level inputs and XLR +4 dB outputs.
Shure M64 stereo preamp. 2 channels, RCA ins/outs, equalization switch for phono, flat, or tape.
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Phono/Aux/CD/Tape1/Tape2/Tuner in. 2 outputs, 2 band bass/treble tone control. Capacitance load switch. Does moving cartridge or moving magnet. #8+ condition with some minor scratches on top cover. All controls and switches cleaned. Fully tested. No noise or modulation.
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Original Owners manual #8 condition, minor scratches on front cover. With Schematic included.
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Phono preamplifier, can handle +14 dbm output, audiophile FET input, OpAmp output, external power supply, #9 condition
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RCA out, mic 1/4" stereo inputs, phono RCA in.
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Mint condition, single channel design with 12AX7 vacuum tube, -20db pad, phase switch, and 48v phantom supply. Peak and power LEDs. 60dB gain and -infinity to +10dB of output level. XLR microphone input, 1/4" TS line input, balanced 1/4" TRS and XLR outputs Table top design, very portable.
Need an APT unit serviced or modified? Vince, the owner of Audio Pro, ran the production line at APT for many years, and has decades of experience working with APT products. Read all about our APT Holman service and mods here. Also read about the APT Moving Coil Phono Mod Here.
Mint condition, single channel design with 12AX7 vacuum tube, -20db pad, phase switch, and 48v phantom supply. Peak and power LEDs. 60dB gain and -infinity to +10dB of output level. XLR microphone input, 1/4" TS line input, balanced 1/4" TRS and XLR outputs Table top design, very portable.
FM/AM tuner, phono, CD, tape 1/2. Balance bass and treble controls. Unit has full service, including all cleaning and FM tuner alignment. Minor scratches on cover, some finger wear on controls, missing 1 memory button. #8 condition.
