Excellent preamp - one of the best ever made!!! All special design. Ground lifted all input. RF protected/shielded. Tape 1 to 2 copy. Tone controls are switched resistor/eq circuits. High variable frequency turnover. 3 auxiliary ins, tuner in, 2 phonos. Super quality phono preamp. With gain controls. Ultra quiet. Serviced, callibrated, cleaned and excellent condition.
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Super clean and low use condition. Original high quality tubes, Nationals made in China. These are super low noise version tubes REV 2.05. Low use time was used in personal studio, not roaded. 9/10 condition, very minor rack rash at holes, recent battery cleaned and calibrated.
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Basic preamp. Top quality phono (with correct ground layout)! Audiophile tone controls, only accent extreme high and low. 5 inputs, bad obvious light scratch at switch, #8- condition.
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Minimalist version, no tone controls - volume only, balance control, processor loop, stereo/reverse/mono control, cd balanced input + RCA, balanced main outs + 2 RCA, cleaned controls, excellent conditon - with remote
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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.
Excellent basic design, two tapes, 1 aux, no phono, excellent FM, presets. All clean/calibrated. with remote control. #9 condition
AM/FM tuner/preamp. 14 presets. Bass/Treble + Balance Controls. Inputs: CD, Tuner, Tape/Tape 2, Aux. External processor loop. 1/4" headphone jack. Remote control RC-45 included. FM aligned and glue removed. #8 Condition. Note: No phono input.
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AM/FM Preamp (Preamp with built in Tuner). NO REMOTE. 6 db gain change at output circuit. Low noise for headphone out. Used excellent condition, modified unit for better nicer range on volume control. #9 condition
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Tuner/Preamp. CD/Tuner/Aux1/Aux2/Tape in,out/Ext Processor in,out inputs. High blend/ Countour/Bass/Treble/Balance controls. 18 Presets, AM/FM tuner. Black slimline unit with black face and digital display. Super audiophile design, extremely well built, rugged relays. Has manual and remote. Unit is virtually unused, like new condition. Condition #9+
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Comes with remote. RCA & S Video inputs include: DVD, Digital RF, Digital Aux, LD, VCR, Video Aux, CD, Tape, Tuner. NO PHONO INPUT. RCA outs include: Front, Rear, Center, Subwoofer. Many Surround mode settings. 14 FM preset slots. High quality blue boards & Capacitors. Unit has many cool functions, it is recommended that interested customers research these functions online before purchase to see if this unit will fit their needs. Unit has seen very little use time, cosmetically excellent. Faceplate, covers, all controls and connectors are super clean with only minor signs of use (light surface scratching, wear/ staining from age and light use.) #9 Condition.
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.
Pre-amp with 2 1/4" inputs, 2 RCA outputs (male cable end, 10" long), 18 VDC RCA power cable, can use 2 stacked 9v batteries for PS. Includes 2 dynamic mics with long 25' cables, black, slick design. 1/4" splicing block installed on pre, can be removed upon request. Please inquire for more info.
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This Amber Preamp Two is in excellent condition and along with being serviced by AudioPro, has also received upgraded IC chips to 5532 and mute circuits. The back panel connectors have also been resoldered. -TAPE/AUX/TUNER/PHONE/ -Subsonic/Ultrasonic/Tape Filters -Mono/Stereo Switch/ Mute Switch -Balance/Volume Controls -Blackface 2 Unit Rack -Upgraded IC chips to 5532 -Upgraded Mute Circuit -Resoldered Back Panel Connectors
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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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Phono preamp with RIAA equalization. (This is a Mono Device) , Uses 8-pin socket connector. (1 only) Excellent #9 condition.
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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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.
super low input with super low noise board, tested, may need cap update soon, condition #9
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PRE Pre-Amp board, phono, 201A board, medium gain version, not updated but works, must be adjusted for specific input impedance, 9 Condition
Mc pre-amp board. Complete. Good condition. Tested and working. Has original caps. #9
Set for 100 ohm impedance, but can be changed per customer request. (15db gain modified). All caps updated / recapped, noise check, EQ check.OK #9 condition
Pristine cosmetics and fully functional, Audio Pro Modified level III, capacitor updates throughout all boards, relay replaced, upgraded -super clean operation, All controls and switches multistage cleaning, soldering ruggedized throughout especially any connectors and grounds. Ground mods completed, eliminate any low level buzz or DC bleed. Full calibration and mods level III, Excellent cosmetics only light scratches on top cover. #9 condition
Top Quality Hi accuracy, very well built product. Complete service , clean and calibration. Inputs: Phono 1 and 2 , tuner, Aux1 and 2, Tape 1 and 2 (Dubbing 1>2 2>1) Level 3 modification by AP. See description here : https://www.audioproz.com/AP.php?Article=95 #8+ condition Minor scuff on face panel.
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We have been selling and repairing professional and consumer audio equipment for over 40 years. (Read some of our customers testimonials here).
Original version, really nice lightly stropped gray face coloring with light gray purple knobs, nice look with rare and interesting version of cosmetics but still has the look of APT coloring, All Level III Audio Pro Mods, phono update, headphone mod, all audio cap all PS caps, Relay mod, Image control mod, EQ mod, Tone control mod, #9 Condition
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High Quality Reference standard pre-amplifier byTom Holman. This is a stunning looking preamp with a new black pebble face panel and grey knobs- very sharp and Vinces favored look! . Complete Level III modification which includes : All power supply caps upgraded, Audio caps upgraded, relay updated, headphone amp FET spec. All modification to Phono, EQ, Tone control circuits as well as infra filter. Excellent condition #9
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