20dB pad/phantom pwr/phase reverse switches. Gain/Volume controls. XLR, 1/4 inch in/outs. Has premium Phillips 12AX7WA tube. Brushed aluminum face, small footprint with original power supply. Scratches on bottom of unit, minor nicks on top. Condition #9
Tube line amp - 2 channel. 1/4 inch and RCA in/out per channel. 1 rack space unit. check and select tubes for channel and nice second harmonic enhancement with high quality controls. Unit can produce nice "soft sag" for guitar in studio. Nice soft clipping.
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Mic pre with compressors and parametric EQ. Tubes: RCA vintage 12AT7, Sovtek 12AX7. Selected tubes for higher tube character, real nice 12% distortion. Like new demo unit with clean controls, resolder ruggedized board, no rack rash, and original operator's manual. Condition: 9
Transformer coupled class A preamplifier. Variable input / instrument input, compressor, parametric EQ. Very low use, minor rack rash. Can be updated to remove SMD caps + replaced with better caps input/output balancing line caps.
Unit has Super modified with fast slow compressor, many mods: updated power supply, added RFI protection on XLR, installed better output drive XLR op amp and high quality low noise Mesa Boogie 12A77 tubes, cleaned controls and used dielectric lube in switches. Low use time, very minor rack rash at holes. Face is cosmetically perfect. Condition: 8+
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Re: International Shipping: We ship internationally often and have yet to encounter a problem or complaint. We are very careful to test the equipment before it’s packed and then to double box the machine with added protection when needed for front panels, etc. We are not amateurs or an ebay store; we know these machines very well and know what it takes to get them to you safely. We use USPS priority internationally which seems to be the cheapest. If you prefer another carrier (you should know who delivers to your area reliably) please let us know. Also please be aware of any tariffs that you may be responsible for upon pick up on your end. International shipping may be expensive but we will make sure it is not a headache on top of the cost. PLEASE NOTE THAT SHIPPING INTERNATIONALLY WILL BE A MINIMUM OF $16 EVEN FOR SMALL PARTS.
Two Channel Preamp/ Computer Interface. #10 Condition (New).
Variable impedance. Two channel MIC/HIZ. M/S Matrix. Variable plate voltage switch. QC Lubed, exercised, burn-in. #10 Condition (New)
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Two channel Mic/HiZ. M/S Matrix. Variable input Impedance. Variable plate voltage. QC- Lubed, Burn-in, switches exercised. #10 Condition (New).
Tube Preamp, opto-compressor limiter DI. Well done small box pre. Used demo. Original paperwork lost. Condition 9.
Single channel mic pre EQ compressor. SN:S150861225. New
Tube Preamp, Compressor limiter. New SN: S150760298
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Local customers, please do not come to the shop without calling ahead first - (617) 926-8020 - for an appointment, so that we can more efficiently help you with your equipment or sound recording needs.
Tube Mic pre amp single channel XLR & outs & 1/4 INS (unbal). Phantom power 9vac Supply. New in box # 10 condition
Studio control center. Project series. 10 condition. New.
Modified with transformer, Automatic EQ compressor. This design allows deep bass and impulse response to be enhanced and less high frequency attenuation and clarity enhancement circuit. Unit has a ground modification and capacitor update for 6db noise floor improvement. This version has a 4560 op amp upgrade for line out balanced out. Mic pre amp RFI suppression capacitor. Modified with first stage tube harmonic bias control (right control) Cleaned switch with silver paste. #9 condition
Built in 12AX7A tube, XLR and ¼" inputs and outputs, single channel, includes 9V AC power supply, new in box, #10
Built in 12AX7A tube, XLR and ¼" inputs and outputs, single channel, includes 9V AC power supply, #10
Professional tube preamp/opto compressor - limiter/DI, hand-selected 12AX7a tube, +48V phantom power, #10 new in box
Read about some of the modifications we do to mic pre's, ART Pro Channel Modification, ART Pro MPA Mic Preamp Modification, ART Pro MPA II Modification, and ART TPS II Modification.
Professional tube preamp/opto compressor - limiter/DI, hand-selected 12AX7a tube, +48V phantom power, #10 new in box
Dual mic pre-amp, polarity: 0/180, 15dB pad, gain adjustment, balanced/unbalanced, line input + outputs, �" phone jacks, mic inputs: XLR, power supply: 12V AC 400mA, special knobs installed for RFI on audiophile caps and grounding updates and precise gain tweaks, channel gain matching and 2db better noise floor, #8 condition
high-end vacuum tube preamplifier with preamp modeling technology, 20db pad, +48V, low cut phase reverse, 16 preamp voicings, neutral, vocal, guitar, piano, etc... excellent condition with original box/packaging/manuals, a few very minor marks on unit but looks and sounds great, #8 condition
2 channel Tube microphone amplifier. Adjustable gain, impedance, and master output level. Instrument input (high Z). Low cut filter (adjustable). Plate voltage: Normal/High. Worn box mint unit demo unit for rental #9 condition
Add on 48 volt, some codes are color blue. Rental Unit excellent serious low noise class A preamp design. #8 condition.
ACEM 70500852 - High quality, superior shielded, 600 to 50k mic transformer, 1" diameter, 12 available ($22 each),
OUT OF STATE CUSTOMERS:
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Basic tube based design. XLR & Phone (1/4) in/out. Like new Demo unit. #9 condition
Like new. All QC checked by Audio Pro. Low noise tubes. In box with manual. #9 condition.